├── .gitattributes ├── .gitignore ├── README.md ├── build.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── services ├── common │ ├── build.gradle │ └── src │ │ └── main │ │ └── java │ │ └── dev │ │ └── techdozo │ │ └── common │ │ ├── TaskQueue.java │ │ ├── activities │ │ ├── CompleteOrderActivity.java │ │ ├── DebitPaymentActivity.java │ │ ├── ReserveInventoryActivity.java │ │ └── ShipGoodsActivity.java │ │ ├── error │ │ ├── ErrorResponse.java │ │ ├── InvalidOperationException.java │ │ ├── ResourceNotFoundException.java │ │ └── handler │ │ │ └── GlobalExceptionHandler.java │ │ └── model │ │ └── OrderDTO.java ├── inventory-svc │ ├── build.gradle │ └── src │ │ └── main │ │ ├── java │ │ └── dev │ │ │ └── techdozo │ │ │ └── inventory │ │ │ ├── InventorySvcApplication.java │ │ │ ├── application │ │ │ └── domain │ │ │ │ ├── model │ │ │ │ └── Inventory.java │ │ │ │ └── repository │ │ │ │ └── InventoryRepository.java │ │ │ ├── config │ │ │ ├── ApplicationProperties.java │ │ │ └── InventoryServiceAppConfig.java │ │ │ ├── infrastructure │ │ │ └── temporal │ │ │ │ ├── orchestrator │ │ │ │ └── WorkflowOrchestratorClient.java │ │ │ │ ├── worker │ │ │ │ └── InventoryWorker.java │ │ │ │ └── workflow │ │ │ │ └── activity │ │ │ │ └── impl │ │ │ │ └── ReserveInventoryActivityImpl.java │ │ │ ├── persistence │ │ │ ├── mapper │ │ │ │ └── InventoryPersistableMapper.java │ │ │ └── repository │ │ │ │ ├── InventoryRepositoryImpl.java │ │ │ │ ├── jpa │ │ │ │ └── InventoryJpaRepository.java │ │ │ │ └── model │ │ │ │ └── InventoryPersistable.java │ │ │ └── resource │ │ │ └── InventoryController.java │ │ └── resources │ │ └── application.properties ├── order-svc │ ├── build.gradle │ └── src │ │ └── main │ │ ├── java │ │ └── dev │ │ │ └── techdozo │ │ │ └── order │ │ │ ├── OrderSvcApplication.java │ │ │ ├── application │ │ │ ├── command │ │ │ │ ├── OrderCommand.java │ │ │ │ └── impl │ │ │ │ │ └── OrderCommandImpl.java │ │ │ ├── domain │ │ │ │ ├── model │ │ │ │ │ ├── Order.java │ │ │ │ │ └── OrderStatus.java │ │ │ │ └── repository │ │ │ │ │ └── OrderRepository.java │ │ │ ├── factory │ │ │ │ ├── OrderFactory.java │ │ │ │ └── impl │ │ │ │ │ └── OrderFactoryImpl.java │ │ │ ├── orchestration │ │ │ │ └── WorkflowOrchestrator.java │ │ │ └── query │ │ │ │ ├── OrderQuery.java │ │ │ │ ├── impl │ │ │ │ └── OrderQueryImpl.java │ │ │ │ └── model │ │ │ │ └── QueryParameter.java │ │ │ ├── common │ │ │ └── config │ │ │ │ ├── ApplicationProperties.java │ │ │ │ └── OrderServiceAppConfig.java │ │ │ ├── infrastructure │ │ │ └── temporal │ │ │ │ ├── orchestrator │ │ │ │ ├── WorkflowOrchestratorClient.java │ │ │ │ └── WorkflowOrchestratorImpl.java │ │ │ │ ├── worker │ │ │ │ └── OrderWorker.java │ │ │ │ └── workflow │ │ │ │ ├── OrderFulfillmentWorkflow.java │ │ │ │ ├── activity │ │ │ │ └── impl │ │ │ │ │ └── CompleteOrderActivityImpl.java │ │ │ │ └── impl │ │ │ │ └── OrderFulfillmentWorkflowImpl.java │ │ │ ├── persistence │ │ │ ├── mapper │ │ │ │ └── OrderPersistableMapper.java │ │ │ └── repository │ │ │ │ ├── OrderRepositoryImpl.java │ │ │ │ ├── jpa │ │ │ │ └── OrderJpaRepository.java │ │ │ │ └── model │ │ │ │ └── OrderPersistable.java │ │ │ └── resource │ │ │ ├── OrderController.java │ │ │ ├── mapper │ │ │ └── OrderRequestMapper.java │ │ │ └── model │ │ │ ├── OrderRequest.java │ │ │ └── OrderResponse.java │ │ └── resources │ │ └── application.properties ├── payment-svc │ ├── build.gradle │ └── src │ │ └── main │ │ ├── java │ │ └── dev │ │ │ └── techdozo │ │ │ └── payment │ │ │ ├── PaymentSvcApplication.java │ │ │ ├── application │ │ │ ├── domain │ │ │ │ ├── model │ │ │ │ │ └── Payment.java │ │ │ │ └── repository │ │ │ │ │ └── PaymentRepository.java │ │ │ └── service │ │ │ │ ├── PaymentService.java │ │ │ │ └── impl │ │ │ │ └── PaymentServiceImpl.java │ │ │ ├── config │ │ │ ├── ApplicationProperties.java │ │ │ └── PaymentServiceAppConfig.java │ │ │ ├── infrastructure │ │ │ └── temporal │ │ │ │ ├── orchestrator │ │ │ │ ├── WorkflowOrchestratorClient.java │ │ │ │ └── worker │ │ │ │ │ └── PaymentWorker.java │ │ │ │ └── workflow │ │ │ │ └── activity │ │ │ │ └── impl │ │ │ │ └── DebitPaymentActivityImpl.java │ │ │ ├── persistence │ │ │ ├── mapper │ │ │ │ └── PaymentPersistableMapper.java │ │ │ └── repository │ │ │ │ ├── PaymentRepositoryImpl.java │ │ │ │ ├── jpa │ │ │ │ └── PaymentJpaRepository.java │ │ │ │ └── model │ │ │ │ └── PaymentPersistable.java │ │ │ └── resource │ │ │ └── PaymentController.java │ │ └── resources │ │ └── application.properties └── shipment-svc │ ├── build.gradle │ └── src │ └── main │ ├── java │ └── dev │ │ └── techdozo │ │ └── shipment │ │ ├── ShipmentSvcApplication.java │ │ ├── application │ │ └── domain │ │ │ ├── model │ │ │ └── Shipment.java │ │ │ ├── repository │ │ │ └── ShipmentRepository.java │ │ │ └── service │ │ │ ├── ShipmentService.java │ │ │ └── ShipmentServiceImpl.java │ │ ├── config │ │ ├── ApplicationProperties.java │ │ └── ShipmentServiceAppConfig.java │ │ ├── infrastructure │ │ └── temporal │ │ │ ├── orchestrator │ │ │ └── WorkflowOrchestratorClient.java │ │ │ ├── worker │ │ │ └── ShipmentWorker.java │ │ │ └── workflow │ │ │ └── activity │ │ │ └── impl │ │ │ └── ShipGoodsActivityImpl.java │ │ ├── persistence │ │ ├── mapper │ │ │ └── ShipmentPersistableMapper.java │ │ └── repository │ │ │ ├── ShipmentRepositoryImpl.java │ │ │ ├── jpa │ │ │ └── ShipmentJpaRepository.java │ │ │ └── model │ │ │ └── ShipmentPersistable.java │ │ └── resource │ │ └── ShipmentController.java │ └── resources │ └── application.properties └── settings.gradle /.gitattributes: -------------------------------------------------------------------------------- 1 | # Set the default behavior, in case people don't have core.autocrlf set. 2 | * text=auto 3 | 4 | # Explicitly declare text files you want to always be normalized and converted 5 | # to native line endings on checkout. 6 | 7 | 8 | # Java sources 9 | *.java text diff=java 10 | *.gradle text diff=java 11 | *.gradle.kts text diff=java 12 | 13 | # These files are text and should be normalized (Convert crlf => lf) 14 | *.css text diff=css 15 | *.scss text 16 | *.df text 17 | *.htm text diff=html 18 | *.html text diff=html 19 | *.ts text 20 | *.js text 21 | *.properties text 22 | *.tld text 23 | *.tag text 24 | *.tagx text 25 | *.md text 26 | 27 | # Serialisation 28 | *.json text 29 | *.toml text 30 | *.xml text 31 | *.yaml text 32 | *.yml text 33 | 34 | 35 | # Scripts 36 | *.bash text eol=lf 37 | *.fish text eol=lf 38 | *.sh text eol=lf 39 | 40 | # These are explicitly windows files and should use crlf 41 | *.bat text eol=crlf 42 | *.cmd text eol=crlf 43 | *.ps1 text eol=crlf 44 | 45 | 46 | # These files are binary and should be left untouched 47 | # (binary is a macro for -text -diff) 48 | *.class binary 49 | *.dll binary 50 | *.ear binary 51 | *.jar binary 52 | *.so binary 53 | *.war binary 54 | *.gif binary 55 | *.ico binary 56 | *.jpg binary 57 | *.jpeg binary 58 | *.png binary -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | HELP.md 2 | .gradle 3 | .class 4 | /build/ 5 | build 6 | out 7 | generated 8 | 9 | ### STS ### 10 | .apt_generated 11 | .classpath 12 | .factorypath 13 | .project 14 | .settings 15 | .springBeans 16 | .sts4-cache 17 | 18 | ### IntelliJ IDEA ### 19 | .idea 20 | *.iws 21 | *.iml 22 | *.ipr 23 | /out/ 24 | 25 | ### NetBeans ### 26 | /nbproject/private/ 27 | /nbbuild/ 28 | /dist/ 29 | /nbdist/ 30 | /.nb-gradle/ 31 | log/ 32 | #gradle/ 33 | #gradlew 34 | #gradlew.bat 35 | 36 | 37 | ### VS Code ### 38 | .vscode/ 39 | 40 | # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml 41 | hs_err_pid* 42 | 43 | ### Mac OS system files ### 44 | .DS_Store 45 | 46 | log 47 | tatusq 48 | /data_package_var_evd.json 49 | 50 | java_pid8980.hprof 51 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Introduction 2 | 3 | Code example for the 4 | article [Workflow Orchestration with Temporal and Spring Boot](https://techdozo.dev/workflow-orchestration-with-temporal-and-spring-boot/) 5 | . 6 | 7 | ## Modules 8 | 9 | ### common 10 | 11 | Contains interface for Activities. These Activities interface is used by order service and microservice that implements 12 | Activity. 13 | 14 | Also contains common object such as `OrderDTO` and error handling code (for now not used). 15 | 16 | ### order-svc (Order Microservice) 17 | 18 | Entry point of Order Fulfillment workflow. Contains Workflow Definition `OrderFulfillmentWorkflow` and 19 | implementation `OrderFulfillmentWorkflowImpl` 20 | 21 | Code is organized in the package based on the clean/hexagonal architecture principles. 22 | 23 | - application: contains business logic. There is no direct dependency on Temporal code. 24 | - common: common configuration such as Spring bean definition 25 | - infrastructure: Temporal specific code such as Workflow, Activity and Worker. 26 | - persistence: Spring JPA related code. 27 | - resource: REST API specific implementation. 28 | 29 | ### payment-svc (Payment Microservice) 30 | 31 | Contains Activity implementation `DebitPaymentActivityImpl` and worker `PaymentWorker` 32 | 33 | Code is organized in the package based on the clean/hexagonal architecture principles. 34 | 35 | - application: contains business logic. There is no direct dependency on Temporal code. 36 | - common: common configuration such as Spring bean definition 37 | - infrastructure: Temporal specific code such as Activity and Worker. 38 | - persistence: Spring JPA related code. 39 | - resource: REST API specific implementation. 40 | 41 | ### inventory-svc (Inventory Microservice) 42 | 43 | Contains Activity implementation `ReserveInventoryActivityImpl` and worker `InventoryWorker` 44 | 45 | Code is organized in the package based on the clean/hexagonal architecture principles. 46 | 47 | - application: contains business logic. There is no direct dependency on Temporal code. 48 | - common: common configuration such as Spring bean definition 49 | - infrastructure: Temporal specific code such as Activity and Worker. 50 | - persistence: Spring JPA related code. 51 | - resource: REST API specific implementation. 52 | 53 | ### shipment-svc (Shipment Microservice) 54 | 55 | Contains Activity implementation `ShipGoodsActivityImpl` and worker `ShipmentWorker` 56 | 57 | Code is organized in the package based on the clean/hexagonal architecture principles. 58 | 59 | - application: contains business logic. There is no direct dependency on Temporal code. 60 | - common: common configuration such as Spring bean definition 61 | - infrastructure: Temporal specific code such as Activity and Worker. 62 | - persistence: Spring JPA related code. 63 | - resource: REST API specific implementation. 64 | 65 | ## Installing Temporal Locally 66 | 67 | Make sure you have Docker installed locally 68 | 69 | ````commandline 70 | git clone https://github.com/temporalio/docker-compose.git 71 | cd docker-compose 72 | docker-compose up 73 | ```` 74 | 75 | # Build and Test 76 | 77 | To build `./gradlew clean build` 78 | 79 | To start workflow execution 80 | 81 | ```commandline 82 | curl --location --request POST 'localhost:8081/orders' \ 83 | --header 'Content-Type: application/json' \ 84 | --data-raw '{ 85 | "productId": 30979484, 86 | "price": 28.99, 87 | "quantity": 2 88 | }' 89 | ``` 90 | 91 | To view list of payments 92 | 93 | ```commandline 94 | curl --location --request GET 'localhost:8083/payments' \ 95 | --header 'Accept: application/json' 96 | ``` 97 | 98 | To view list of inventory 99 | 100 | ```commandline 101 | curl --location --request GET 'localhost:8082/inventories' \ 102 | --header 'Accept: application/json' 103 | ``` -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'io.spring.dependency-management' version '1.0.11.RELEASE' 3 | id 'java' 4 | } 5 | 6 | repositories { 7 | mavenCentral() 8 | } 9 | 10 | subprojects { 11 | group = 'dev.techdozo.workflow' 12 | repositories { 13 | mavenCentral() 14 | } 15 | compileJava { 16 | sourceCompatibility = 17 17 | targetCompatibility = 17 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/techdozo/order-fulfillment-workflow/cdf55b0e67f449dcc17bd20df366badc4fad70ea/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.1-bin.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | # 4 | # Copyright © 2015-2021 the original authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | # 21 | # Gradle start up script for POSIX generated by Gradle. 22 | # 23 | # Important for running: 24 | # 25 | # (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is 26 | # noncompliant, but you have some other compliant shell such as ksh or 27 | # bash, then to run this script, type that shell name before the whole 28 | # command line, like: 29 | # 30 | # ksh Gradle 31 | # 32 | # Busybox and similar reduced shells will NOT work, because this script 33 | # requires all of these POSIX shell features: 34 | # * functions; 35 | # * expansions «$var», «${var}», «${var:-default}», «${var+SET}», 36 | # «${var#prefix}», «${var%suffix}», and «$( cmd )»; 37 | # * compound commands having a testable exit status, especially «case»; 38 | # * various built-in commands including «command», «set», and «ulimit». 39 | # 40 | # Important for patching: 41 | # 42 | # (2) This script targets any POSIX shell, so it avoids extensions provided 43 | # by Bash, Ksh, etc; in particular arrays are avoided. 44 | # 45 | # The "traditional" practice of packing multiple parameters into a 46 | # space-separated string is a well documented source of bugs and security 47 | # problems, so this is (mostly) avoided, by progressively accumulating 48 | # options in "$@", and eventually passing that to Java. 49 | # 50 | # Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, 51 | # and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; 52 | # see the in-line comments for details. 53 | # 54 | # There are tweaks for specific operating systems such as AIX, CygWin, 55 | # Darwin, MinGW, and NonStop. 56 | # 57 | # (3) This script is generated from the Groovy template 58 | # https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt 59 | # within the Gradle project. 60 | # 61 | # You can find Gradle at https://github.com/gradle/gradle/. 62 | # 63 | ############################################################################## 64 | 65 | # Attempt to set APP_HOME 66 | 67 | # Resolve links: $0 may be a link 68 | app_path=$0 69 | 70 | # Need this for daisy-chained symlinks. 71 | while 72 | APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path 73 | [ -h "$app_path" ] 74 | do 75 | ls=$( ls -ld "$app_path" ) 76 | link=${ls#*' -> '} 77 | case $link in #( 78 | /*) app_path=$link ;; #( 79 | *) app_path=$APP_HOME$link ;; 80 | esac 81 | done 82 | 83 | APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit 84 | 85 | APP_NAME="Gradle" 86 | APP_BASE_NAME=${0##*/} 87 | 88 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 89 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 90 | 91 | # Use the maximum available, or set MAX_FD != -1 to use that value. 92 | MAX_FD=maximum 93 | 94 | warn () { 95 | echo "$*" 96 | } >&2 97 | 98 | die () { 99 | echo 100 | echo "$*" 101 | echo 102 | exit 1 103 | } >&2 104 | 105 | # OS specific support (must be 'true' or 'false'). 106 | cygwin=false 107 | msys=false 108 | darwin=false 109 | nonstop=false 110 | case "$( uname )" in #( 111 | CYGWIN* ) cygwin=true ;; #( 112 | Darwin* ) darwin=true ;; #( 113 | MSYS* | MINGW* ) msys=true ;; #( 114 | NONSTOP* ) nonstop=true ;; 115 | esac 116 | 117 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 118 | 119 | 120 | # Determine the Java command to use to start the JVM. 121 | if [ -n "$JAVA_HOME" ] ; then 122 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 123 | # IBM's JDK on AIX uses strange locations for the executables 124 | JAVACMD=$JAVA_HOME/jre/sh/java 125 | else 126 | JAVACMD=$JAVA_HOME/bin/java 127 | fi 128 | if [ ! -x "$JAVACMD" ] ; then 129 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 130 | 131 | Please set the JAVA_HOME variable in your environment to match the 132 | location of your Java installation." 133 | fi 134 | else 135 | JAVACMD=java 136 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 137 | 138 | Please set the JAVA_HOME variable in your environment to match the 139 | location of your Java installation." 140 | fi 141 | 142 | # Increase the maximum file descriptors if we can. 143 | if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then 144 | case $MAX_FD in #( 145 | max*) 146 | MAX_FD=$( ulimit -H -n ) || 147 | warn "Could not query maximum file descriptor limit" 148 | esac 149 | case $MAX_FD in #( 150 | '' | soft) :;; #( 151 | *) 152 | ulimit -n "$MAX_FD" || 153 | warn "Could not set maximum file descriptor limit to $MAX_FD" 154 | esac 155 | fi 156 | 157 | # Collect all arguments for the java command, stacking in reverse order: 158 | # * args from the command line 159 | # * the main class name 160 | # * -classpath 161 | # * -D...appname settings 162 | # * --module-path (only if needed) 163 | # * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. 164 | 165 | # For Cygwin or MSYS, switch paths to Windows format before running java 166 | if "$cygwin" || "$msys" ; then 167 | APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) 168 | CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) 169 | 170 | JAVACMD=$( cygpath --unix "$JAVACMD" ) 171 | 172 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 173 | for arg do 174 | if 175 | case $arg in #( 176 | -*) false ;; # don't mess with options #( 177 | /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath 178 | [ -e "$t" ] ;; #( 179 | *) false ;; 180 | esac 181 | then 182 | arg=$( cygpath --path --ignore --mixed "$arg" ) 183 | fi 184 | # Roll the args list around exactly as many times as the number of 185 | # args, so each arg winds up back in the position where it started, but 186 | # possibly modified. 187 | # 188 | # NB: a `for` loop captures its iteration list before it begins, so 189 | # changing the positional parameters here affects neither the number of 190 | # iterations, nor the values presented in `arg`. 191 | shift # remove old arg 192 | set -- "$@" "$arg" # push replacement arg 193 | done 194 | fi 195 | 196 | # Collect all arguments for the java command; 197 | # * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of 198 | # shell script including quotes and variable substitutions, so put them in 199 | # double quotes to make sure that they get re-expanded; and 200 | # * put everything else in single quotes, so that it's not re-expanded. 201 | 202 | set -- \ 203 | "-Dorg.gradle.appname=$APP_BASE_NAME" \ 204 | -classpath "$CLASSPATH" \ 205 | org.gradle.wrapper.GradleWrapperMain \ 206 | "$@" 207 | 208 | # Use "xargs" to parse quoted args. 209 | # 210 | # With -n1 it outputs one arg per line, with the quotes and backslashes removed. 211 | # 212 | # In Bash we could simply go: 213 | # 214 | # readarray ARGS < <( xargs -n1 <<<"$var" ) && 215 | # set -- "${ARGS[@]}" "$@" 216 | # 217 | # but POSIX shell has neither arrays nor command substitution, so instead we 218 | # post-process each arg (as a line of input to sed) to backslash-escape any 219 | # character that might be a shell metacharacter, then use eval to reverse 220 | # that process (while maintaining the separation between arguments), and wrap 221 | # the whole thing up as a single "set" statement. 222 | # 223 | # This will of course break if any of these variables contains a newline or 224 | # an unmatched quote. 225 | # 226 | 227 | eval "set -- $( 228 | printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | 229 | xargs -n1 | 230 | sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | 231 | tr '\n' ' ' 232 | )" '"$@"' 233 | 234 | exec "$JAVACMD" "$@" 235 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%" == "" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%" == "" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 34 | 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 37 | 38 | @rem Find java.exe 39 | if defined JAVA_HOME goto findJavaFromJavaHome 40 | 41 | set JAVA_EXE=java.exe 42 | %JAVA_EXE% -version >NUL 2>&1 43 | if "%ERRORLEVEL%" == "0" goto execute 44 | 45 | echo. 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 47 | echo. 48 | echo Please set the JAVA_HOME variable in your environment to match the 49 | echo location of your Java installation. 50 | 51 | goto fail 52 | 53 | :findJavaFromJavaHome 54 | set JAVA_HOME=%JAVA_HOME:"=% 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 56 | 57 | if exist "%JAVA_EXE%" goto execute 58 | 59 | echo. 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 61 | echo. 62 | echo Please set the JAVA_HOME variable in your environment to match the 63 | echo location of your Java installation. 64 | 65 | goto fail 66 | 67 | :execute 68 | @rem Setup the command line 69 | 70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 71 | 72 | 73 | @rem Execute Gradle 74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 75 | 76 | :end 77 | @rem End local scope for the variables with windows NT shell 78 | if "%ERRORLEVEL%"=="0" goto mainEnd 79 | 80 | :fail 81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 82 | rem the _cmd.exe /c_ return code! 83 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 84 | exit /b 1 85 | 86 | :mainEnd 87 | if "%OS%"=="Windows_NT" endlocal 88 | 89 | :omega 90 | -------------------------------------------------------------------------------- /services/common/build.gradle: -------------------------------------------------------------------------------- 1 | import org.springframework.boot.gradle.plugin.SpringBootPlugin 2 | 3 | plugins { 4 | id 'org.springframework.boot' version '2.7.4' apply false 5 | id 'java' 6 | } 7 | //https://docs.spring.io/spring-boot/docs/current/gradle-plugin/reference/htmlsingle/#managing-dependencies.dependency-management-plugin.using-in-isolation 8 | apply plugin: 'io.spring.dependency-management' 9 | 10 | dependencyManagement { 11 | imports { 12 | mavenBom SpringBootPlugin.BOM_COORDINATES 13 | } 14 | } 15 | 16 | 17 | dependencies { 18 | implementation 'org.springframework.boot:spring-boot-starter-web' 19 | compileOnly 'io.temporal:temporal-sdk:1.16.0' 20 | compileOnly 'org.projectlombok:lombok:1.18.22' 21 | annotationProcessor 'org.projectlombok:lombok:1.18.22' 22 | implementation 'org.slf4j:slf4j-api:1.7.30' 23 | } -------------------------------------------------------------------------------- /services/common/src/main/java/dev/techdozo/common/TaskQueue.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.common; 2 | 3 | public enum TaskQueue { 4 | PAYMENT_ACTIVITY_TASK_QUEUE, 5 | INVENTORY_ACTIVITY_TASK_QUEUE, 6 | SHIPPING_ACTIVITY_TASK_QUEUE, 7 | ORDER_FULFILLMENT_WORKFLOW_TASK_QUEUE 8 | } 9 | -------------------------------------------------------------------------------- /services/common/src/main/java/dev/techdozo/common/activities/CompleteOrderActivity.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.common.activities; 2 | 3 | import dev.techdozo.common.model.OrderDTO; 4 | import io.temporal.activity.ActivityInterface; 5 | 6 | @ActivityInterface 7 | public interface CompleteOrderActivity { 8 | void completeOrder(OrderDTO order); 9 | } 10 | -------------------------------------------------------------------------------- /services/common/src/main/java/dev/techdozo/common/activities/DebitPaymentActivity.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.common.activities; 2 | 3 | import dev.techdozo.common.model.OrderDTO; 4 | import io.temporal.activity.ActivityInterface; 5 | 6 | @ActivityInterface 7 | public interface DebitPaymentActivity { 8 | void debitPayment(OrderDTO orderDTO); 9 | } 10 | -------------------------------------------------------------------------------- /services/common/src/main/java/dev/techdozo/common/activities/ReserveInventoryActivity.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.common.activities; 2 | 3 | import dev.techdozo.common.model.OrderDTO; 4 | import io.temporal.activity.ActivityInterface; 5 | 6 | @ActivityInterface 7 | public interface ReserveInventoryActivity { 8 | void reserveInventory(OrderDTO orderDTO); 9 | } 10 | -------------------------------------------------------------------------------- /services/common/src/main/java/dev/techdozo/common/activities/ShipGoodsActivity.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.common.activities; 2 | 3 | import dev.techdozo.common.model.OrderDTO; 4 | import io.temporal.activity.ActivityInterface; 5 | 6 | @ActivityInterface 7 | public interface ShipGoodsActivity { 8 | void shipGoods(OrderDTO orderDTO); 9 | } 10 | -------------------------------------------------------------------------------- /services/common/src/main/java/dev/techdozo/common/error/ErrorResponse.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.common.error; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Getter; 5 | import lombok.Setter; 6 | 7 | @Setter 8 | @Getter 9 | @AllArgsConstructor 10 | public class ErrorResponse { 11 | private String message; 12 | private String code; 13 | } 14 | -------------------------------------------------------------------------------- /services/common/src/main/java/dev/techdozo/common/error/InvalidOperationException.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.common.error; 2 | 3 | public class InvalidOperationException extends RuntimeException { 4 | public InvalidOperationException(String message) { 5 | super(message); 6 | } 7 | } 8 | -------------------------------------------------------------------------------- /services/common/src/main/java/dev/techdozo/common/error/ResourceNotFoundException.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.common.error; 2 | 3 | public class ResourceNotFoundException extends RuntimeException { 4 | public ResourceNotFoundException(String message) { 5 | super(message); 6 | } 7 | } 8 | -------------------------------------------------------------------------------- /services/common/src/main/java/dev/techdozo/common/error/handler/GlobalExceptionHandler.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.common.error.handler; 2 | 3 | import dev.techdozo.common.error.ErrorResponse; 4 | import dev.techdozo.common.error.InvalidOperationException; 5 | import dev.techdozo.common.error.ResourceNotFoundException; 6 | import org.springframework.http.HttpStatus; 7 | import org.springframework.http.ResponseEntity; 8 | import org.springframework.web.bind.annotation.ControllerAdvice; 9 | import org.springframework.web.bind.annotation.ExceptionHandler; 10 | 11 | @ControllerAdvice 12 | public class GlobalExceptionHandler { 13 | 14 | @ExceptionHandler(ResourceNotFoundException.class) 15 | public ResponseEntity handleException(ResourceNotFoundException cause) { 16 | return new ResponseEntity<>( 17 | new ErrorResponse(cause.getMessage(), "ResourceNotFound"), HttpStatus.NOT_FOUND); 18 | } 19 | 20 | @ExceptionHandler(InvalidOperationException.class) 21 | public ResponseEntity handleException(InvalidOperationException cause) { 22 | return new ResponseEntity<>( 23 | new ErrorResponse(cause.getMessage(), "InvalidOperation"), HttpStatus.PRECONDITION_FAILED); 24 | } 25 | 26 | @ExceptionHandler(RuntimeException.class) 27 | public ResponseEntity handleException(RuntimeException cause) { 28 | return new ResponseEntity<>( 29 | new ErrorResponse(cause.getMessage(), "RuntimeException"), 30 | HttpStatus.INTERNAL_SERVER_ERROR); 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /services/common/src/main/java/dev/techdozo/common/model/OrderDTO.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.common.model; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | import lombok.ToString; 6 | 7 | /** Order DTO object */ 8 | @Setter 9 | @Getter 10 | @ToString 11 | public class OrderDTO { 12 | private Long orderId; 13 | private Long productId; 14 | private Double price; 15 | // TODO - make it int 16 | private Double quantity; 17 | } 18 | -------------------------------------------------------------------------------- /services/inventory-svc/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'io.spring.dependency-management' version '1.0.11.RELEASE' 3 | id 'org.springframework.boot' version '2.7.1' 4 | id 'java' 5 | } 6 | 7 | def mapstructVersion = '1.5.2.Final' 8 | dependencies { 9 | implementation project(':services:common') 10 | implementation 'org.springframework.boot:spring-boot-starter-web' 11 | implementation 'org.springframework.boot:spring-boot-starter-data-jpa' 12 | runtimeOnly 'com.h2database:h2' 13 | implementation 'io.temporal:temporal-sdk:1.16.0' 14 | 15 | compileOnly 'org.projectlombok:lombok' 16 | annotationProcessor 'org.projectlombok:lombok' 17 | implementation 'org.slf4j:slf4j-api:1.7.30' 18 | implementation 'javax.validation:validation-api:2.0.1.Final' 19 | implementation 'javax.annotation:javax.annotation-api:1.3.2' 20 | implementation "org.mapstruct:mapstruct:${mapstructVersion}" 21 | annotationProcessor "org.mapstruct:mapstruct-processor:${mapstructVersion}" 22 | 23 | testImplementation 'org.springframework.boot:spring-boot-starter-test' 24 | 25 | } -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/InventorySvcApplication.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory; 2 | 3 | import lombok.extern.slf4j.Slf4j; 4 | import org.springframework.boot.SpringApplication; 5 | import org.springframework.boot.autoconfigure.SpringBootApplication; 6 | 7 | @Slf4j 8 | @SpringBootApplication 9 | public class InventorySvcApplication { 10 | 11 | public static void main(String[] args) { 12 | SpringApplication.run(InventorySvcApplication.class, args); 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/application/domain/model/Inventory.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.application.domain.model; 2 | 3 | import lombok.Builder; 4 | import lombok.Getter; 5 | import lombok.Setter; 6 | import lombok.ToString; 7 | 8 | /** Inventory Domain object */ 9 | @Setter 10 | @Getter 11 | @ToString 12 | @Builder 13 | public class Inventory { 14 | private Long inventoryId; 15 | private Long orderId; 16 | private Long productId; 17 | private Double quantity; 18 | } 19 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/application/domain/repository/InventoryRepository.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.application.domain.repository; 2 | 3 | import dev.techdozo.inventory.application.domain.model.Inventory; 4 | 5 | import java.util.List; 6 | 7 | /** Domain repository for the Inventory. */ 8 | public interface InventoryRepository { 9 | Inventory save(Inventory inventory); 10 | 11 | List getAll(); 12 | } 13 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/config/ApplicationProperties.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.config; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | 6 | @Setter 7 | @Getter 8 | public class ApplicationProperties { 9 | private String target; 10 | private String workflowId; 11 | private String workflowTaskQueue; 12 | } 13 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/config/InventoryServiceAppConfig.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.config; 2 | 3 | import dev.techdozo.common.activities.ReserveInventoryActivity; 4 | import dev.techdozo.inventory.application.domain.repository.InventoryRepository; 5 | import dev.techdozo.inventory.infrastructure.temporal.orchestrator.WorkflowOrchestratorClient; 6 | import dev.techdozo.inventory.infrastructure.temporal.worker.InventoryWorker; 7 | import dev.techdozo.inventory.infrastructure.temporal.workflow.activity.impl.ReserveInventoryActivityImpl; 8 | import dev.techdozo.inventory.persistence.repository.InventoryRepositoryImpl; 9 | import dev.techdozo.inventory.persistence.repository.jpa.InventoryJpaRepository; 10 | import lombok.Setter; 11 | import org.springframework.boot.context.properties.ConfigurationProperties; 12 | import org.springframework.context.annotation.Bean; 13 | import org.springframework.context.annotation.Configuration; 14 | 15 | @Configuration 16 | @Setter 17 | public class InventoryServiceAppConfig { 18 | 19 | @Bean 20 | public InventoryWorker inventoryWorker(InventoryJpaRepository inventoryJpaRepository) { 21 | return new InventoryWorker( 22 | reserveInventoryActivity(inventoryJpaRepository), workflowOrchestratorClient()); 23 | } 24 | 25 | @Bean 26 | public ReserveInventoryActivity reserveInventoryActivity( 27 | InventoryJpaRepository inventoryJpaRepository) { 28 | return new ReserveInventoryActivityImpl(inventoryRepository(inventoryJpaRepository)); 29 | } 30 | 31 | @Bean 32 | @ConfigurationProperties 33 | public ApplicationProperties applicationProperties() { 34 | return new ApplicationProperties(); 35 | } 36 | 37 | @Bean 38 | public WorkflowOrchestratorClient workflowOrchestratorClient() { 39 | return new WorkflowOrchestratorClient(applicationProperties()); 40 | } 41 | 42 | @Bean 43 | public InventoryRepository inventoryRepository(InventoryJpaRepository inventoryJpaRepository) { 44 | return new InventoryRepositoryImpl(inventoryJpaRepository); 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/infrastructure/temporal/orchestrator/WorkflowOrchestratorClient.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.infrastructure.temporal.orchestrator; 2 | 3 | import dev.techdozo.inventory.config.ApplicationProperties; 4 | import io.temporal.client.WorkflowClient; 5 | import io.temporal.serviceclient.WorkflowServiceStubs; 6 | import io.temporal.serviceclient.WorkflowServiceStubsOptions; 7 | import lombok.RequiredArgsConstructor; 8 | 9 | @RequiredArgsConstructor 10 | public class WorkflowOrchestratorClient { 11 | private final ApplicationProperties applicationProperties; 12 | 13 | public WorkflowClient getWorkflowClient() { 14 | var workflowServiceStubsOptions = 15 | WorkflowServiceStubsOptions.newBuilder() 16 | .setTarget(applicationProperties.getTarget()) 17 | .build(); 18 | var workflowServiceStubs = WorkflowServiceStubs.newServiceStubs(workflowServiceStubsOptions); 19 | return WorkflowClient.newInstance(workflowServiceStubs); 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/infrastructure/temporal/worker/InventoryWorker.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.infrastructure.temporal.worker; 2 | 3 | import dev.techdozo.common.TaskQueue; 4 | import dev.techdozo.common.activities.ReserveInventoryActivity; 5 | import dev.techdozo.inventory.infrastructure.temporal.orchestrator.WorkflowOrchestratorClient; 6 | import io.temporal.worker.WorkerFactory; 7 | import io.temporal.worker.WorkerOptions; 8 | import lombok.RequiredArgsConstructor; 9 | import lombok.extern.slf4j.Slf4j; 10 | 11 | import javax.annotation.PostConstruct; 12 | 13 | @Slf4j 14 | @RequiredArgsConstructor 15 | public class InventoryWorker { 16 | 17 | private final ReserveInventoryActivity reserveInventoryActivity; 18 | private final WorkflowOrchestratorClient workflowOrchestratorClient; 19 | 20 | @PostConstruct 21 | public void createWorker() { 22 | 23 | log.info("Registering worker.."); 24 | 25 | var workerOptions = WorkerOptions.newBuilder().build(); 26 | 27 | var workflowClient = workflowOrchestratorClient.getWorkflowClient(); 28 | 29 | var workerFactory = WorkerFactory.newInstance(workflowClient); 30 | var worker = 31 | workerFactory.newWorker(TaskQueue.INVENTORY_ACTIVITY_TASK_QUEUE.name(), workerOptions); 32 | 33 | worker.registerActivitiesImplementations(reserveInventoryActivity); 34 | 35 | workerFactory.start(); 36 | 37 | log.info("Inventory worker started.."); 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/infrastructure/temporal/workflow/activity/impl/ReserveInventoryActivityImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.infrastructure.temporal.workflow.activity.impl; 2 | 3 | import dev.techdozo.common.activities.ReserveInventoryActivity; 4 | import dev.techdozo.common.model.OrderDTO; 5 | import dev.techdozo.inventory.application.domain.model.Inventory; 6 | import dev.techdozo.inventory.application.domain.repository.InventoryRepository; 7 | import lombok.RequiredArgsConstructor; 8 | import lombok.extern.slf4j.Slf4j; 9 | 10 | @Slf4j 11 | @RequiredArgsConstructor 12 | public class ReserveInventoryActivityImpl implements ReserveInventoryActivity { 13 | 14 | private final InventoryRepository inventoryRepository; 15 | 16 | @Override 17 | public void reserveInventory(OrderDTO orderDTO) { 18 | 19 | log.info("Processing inventory for order {}", orderDTO.getOrderId()); 20 | 21 | var inventory = 22 | Inventory.builder() 23 | .orderId(orderDTO.getOrderId()) 24 | .productId(orderDTO.getProductId()) 25 | .quantity(orderDTO.getQuantity()) 26 | .build(); 27 | inventoryRepository.save(inventory); 28 | 29 | log.info("Finished processing inventory for order {}", orderDTO.getOrderId()); 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/persistence/mapper/InventoryPersistableMapper.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.persistence.mapper; 2 | 3 | import dev.techdozo.inventory.application.domain.model.Inventory; 4 | import dev.techdozo.inventory.persistence.repository.model.InventoryPersistable; 5 | import org.mapstruct.Mapper; 6 | import org.mapstruct.Mapping; 7 | import org.mapstruct.ReportingPolicy; 8 | import org.mapstruct.factory.Mappers; 9 | 10 | @Mapper(unmappedTargetPolicy = ReportingPolicy.IGNORE) 11 | public abstract class InventoryPersistableMapper { 12 | 13 | public static final InventoryPersistableMapper MAPPER = 14 | Mappers.getMapper(InventoryPersistableMapper.class); 15 | 16 | @Mapping(source = "inventoryId", target = "id") 17 | public abstract InventoryPersistable map(Inventory inventory); 18 | 19 | @Mapping(source = "id", target = "inventoryId") 20 | public abstract Inventory map(InventoryPersistable inventoryPersistable); 21 | } 22 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/persistence/repository/InventoryRepositoryImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.persistence.repository; 2 | 3 | import dev.techdozo.inventory.application.domain.model.Inventory; 4 | import dev.techdozo.inventory.application.domain.repository.InventoryRepository; 5 | import dev.techdozo.inventory.persistence.mapper.InventoryPersistableMapper; 6 | import dev.techdozo.inventory.persistence.repository.jpa.InventoryJpaRepository; 7 | import lombok.extern.slf4j.Slf4j; 8 | 9 | import java.util.List; 10 | 11 | @Slf4j 12 | public class InventoryRepositoryImpl implements InventoryRepository { 13 | 14 | private final InventoryJpaRepository inventoryJpaRepository; 15 | 16 | public InventoryRepositoryImpl(InventoryJpaRepository inventoryJpaRepository) { 17 | this.inventoryJpaRepository = inventoryJpaRepository; 18 | } 19 | 20 | @Override 21 | public Inventory save(Inventory inventory) { 22 | log.info("Saving Inventory"); 23 | var inventoryPersistable = InventoryPersistableMapper.MAPPER.map(inventory); 24 | inventoryPersistable = inventoryJpaRepository.save(inventoryPersistable); 25 | log.info("Inventory saved, id {}", inventoryPersistable.getId()); 26 | return InventoryPersistableMapper.MAPPER.map(inventoryPersistable); 27 | } 28 | 29 | @Override 30 | public List getAll() { 31 | log.info("Getting all inventory from DB.."); 32 | var inventoryPersistables = inventoryJpaRepository.findAll(); 33 | return inventoryPersistables.stream().map(InventoryPersistableMapper.MAPPER::map).toList(); 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/persistence/repository/jpa/InventoryJpaRepository.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.persistence.repository.jpa; 2 | 3 | import dev.techdozo.inventory.persistence.repository.model.InventoryPersistable; 4 | import org.springframework.data.jpa.repository.JpaRepository; 5 | 6 | public interface InventoryJpaRepository extends JpaRepository {} 7 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/persistence/repository/model/InventoryPersistable.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.persistence.repository.model; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | import lombok.ToString; 6 | 7 | import javax.persistence.*; 8 | 9 | @ToString 10 | @Setter 11 | @Getter 12 | @Entity 13 | @Table(name = "inventory") 14 | public class InventoryPersistable { 15 | @Id 16 | @GeneratedValue(strategy = GenerationType.AUTO) 17 | private Long id; 18 | 19 | private Long orderId; 20 | private String productId; 21 | private Double quantity; 22 | } 23 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/java/dev/techdozo/inventory/resource/InventoryController.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.inventory.resource; 2 | 3 | import dev.techdozo.inventory.application.domain.model.Inventory; 4 | import dev.techdozo.inventory.application.domain.repository.InventoryRepository; 5 | import lombok.extern.slf4j.Slf4j; 6 | import org.springframework.beans.factory.annotation.Autowired; 7 | import org.springframework.http.HttpStatus; 8 | import org.springframework.http.ResponseEntity; 9 | import org.springframework.web.bind.annotation.GetMapping; 10 | import org.springframework.web.bind.annotation.RestController; 11 | 12 | import java.util.List; 13 | 14 | @RestController 15 | @Slf4j 16 | public class InventoryController { 17 | @Autowired private InventoryRepository inventoryRepository; 18 | 19 | @GetMapping("/inventories") 20 | public ResponseEntity> listInventory() { 21 | log.info("Getting all inventory.."); 22 | List inventories = inventoryRepository.getAll(); 23 | return new ResponseEntity<>(inventories, HttpStatus.OK); 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /services/inventory-svc/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | application.name=inventory-svc 2 | server.port=8082 3 | spring.main.banner-mode=off 4 | target=127.0.0.1:7233 5 | spring.jpa.generate-ddl=true 6 | spring.jpa.hibernate.ddl-auto=create 7 | workflow_id=OrderFulfillmentWorkflow 8 | -------------------------------------------------------------------------------- /services/order-svc/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'io.spring.dependency-management' version '1.0.11.RELEASE' 3 | id 'org.springframework.boot' version '2.7.1' 4 | id 'java' 5 | } 6 | 7 | def mapstructVersion = '1.5.2.Final' 8 | dependencies { 9 | implementation project(':services:common') 10 | implementation 'org.springframework.boot:spring-boot-starter-web' 11 | implementation 'org.springframework.boot:spring-boot-starter-data-jpa' 12 | runtimeOnly 'com.h2database:h2' 13 | implementation 'io.temporal:temporal-sdk:1.16.0' 14 | 15 | compileOnly 'org.projectlombok:lombok' 16 | annotationProcessor 'org.projectlombok:lombok' 17 | implementation 'org.slf4j:slf4j-api:1.7.30' 18 | implementation 'javax.validation:validation-api:2.0.1.Final' 19 | implementation 'javax.annotation:javax.annotation-api:1.3.2' 20 | implementation "org.mapstruct:mapstruct:${mapstructVersion}" 21 | annotationProcessor "org.mapstruct:mapstruct-processor:${mapstructVersion}" 22 | 23 | testImplementation 'com.google.code.bean-matchers:bean-matchers:0.12' 24 | testImplementation 'org.springframework.boot:spring-boot-starter-test' 25 | testImplementation 'org.mockito:mockito-core:4.8.0' 26 | testImplementation 'junit:junit:4.13.1' 27 | testImplementation 'org.hamcrest:hamcrest-all:1.3' 28 | } -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/OrderSvcApplication.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order; 2 | 3 | import lombok.extern.slf4j.Slf4j; 4 | import org.springframework.boot.SpringApplication; 5 | import org.springframework.boot.autoconfigure.SpringBootApplication; 6 | 7 | @Slf4j 8 | @SpringBootApplication 9 | public class OrderSvcApplication { 10 | 11 | public static void main(String[] args) { 12 | SpringApplication.run(OrderSvcApplication.class, args); 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/application/command/OrderCommand.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.application.command; 2 | 3 | import dev.techdozo.order.application.domain.model.Order; 4 | 5 | public interface OrderCommand { 6 | Order createOrder(Order order); 7 | } 8 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/application/command/impl/OrderCommandImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.application.command.impl; 2 | 3 | import dev.techdozo.order.application.command.OrderCommand; 4 | import dev.techdozo.order.application.domain.model.Order; 5 | import dev.techdozo.order.application.domain.model.OrderStatus; 6 | import dev.techdozo.order.application.domain.repository.OrderRepository; 7 | import dev.techdozo.order.application.orchestration.WorkflowOrchestrator; 8 | import lombok.RequiredArgsConstructor; 9 | import lombok.extern.slf4j.Slf4j; 10 | 11 | @RequiredArgsConstructor 12 | @Slf4j 13 | public class OrderCommandImpl implements OrderCommand { 14 | 15 | private final OrderRepository orderRepository; 16 | private final WorkflowOrchestrator workflowOrchestrator; 17 | 18 | @Override 19 | public Order createOrder(Order order) { 20 | log.info("Creating order.."); 21 | order.setOrderStatus(OrderStatus.PENDING); 22 | var persistedOrder = orderRepository.save(order); 23 | workflowOrchestrator.createOrder(persistedOrder); 24 | return persistedOrder; 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/application/domain/model/Order.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.application.domain.model; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | import lombok.ToString; 6 | 7 | /** Order Domain object */ 8 | @Setter 9 | @Getter 10 | @ToString 11 | public class Order { 12 | private Long orderId; 13 | private Long productId; 14 | private Double price; 15 | private Double quantity; 16 | private OrderStatus orderStatus; 17 | } 18 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/application/domain/model/OrderStatus.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.application.domain.model; 2 | 3 | public enum OrderStatus { 4 | PENDING, 5 | COMPLETED, 6 | FAILED 7 | } 8 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/application/domain/repository/OrderRepository.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.application.domain.repository; 2 | 3 | import dev.techdozo.order.application.domain.model.Order; 4 | 5 | /** Domain repository for the order. */ 6 | public interface OrderRepository { 7 | Order save(Order order); 8 | 9 | Order get(Long orderId); 10 | } 11 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/application/factory/OrderFactory.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.application.factory; 2 | 3 | import dev.techdozo.order.application.command.OrderCommand; 4 | import dev.techdozo.order.application.query.OrderQuery; 5 | 6 | public interface OrderFactory { 7 | 8 | OrderCommand getOrderCommand(); 9 | 10 | OrderQuery getOrderQuery(); 11 | } 12 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/application/factory/impl/OrderFactoryImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.application.factory.impl; 2 | 3 | import dev.techdozo.order.application.command.OrderCommand; 4 | import dev.techdozo.order.application.factory.OrderFactory; 5 | import dev.techdozo.order.application.query.OrderQuery; 6 | 7 | public class OrderFactoryImpl implements OrderFactory { 8 | 9 | private final OrderCommand orderCommand; 10 | private final OrderQuery orderQuery; 11 | 12 | public OrderFactoryImpl(OrderCommand orderCommand, OrderQuery orderQuery) { 13 | this.orderCommand = orderCommand; 14 | this.orderQuery = orderQuery; 15 | } 16 | 17 | public OrderCommand getOrderCommand() { 18 | return orderCommand; 19 | } 20 | 21 | @Override 22 | public OrderQuery getOrderQuery() { 23 | return orderQuery; 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/application/orchestration/WorkflowOrchestrator.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.application.orchestration; 2 | 3 | import dev.techdozo.order.application.domain.model.Order; 4 | 5 | public interface WorkflowOrchestrator { 6 | void createOrder(Order order); 7 | } 8 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/application/query/OrderQuery.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.application.query; 2 | 3 | import dev.techdozo.order.application.domain.model.Order; 4 | 5 | public interface OrderQuery { 6 | Order getOrder(Long orderId); 7 | } 8 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/application/query/impl/OrderQueryImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.application.query.impl; 2 | 3 | import dev.techdozo.order.application.domain.model.Order; 4 | import dev.techdozo.order.application.domain.repository.OrderRepository; 5 | import dev.techdozo.order.application.query.OrderQuery; 6 | import lombok.RequiredArgsConstructor; 7 | import lombok.extern.slf4j.Slf4j; 8 | 9 | @Slf4j 10 | @RequiredArgsConstructor 11 | public class OrderQueryImpl implements OrderQuery { 12 | private final OrderRepository orderRepository; 13 | 14 | @Override 15 | public Order getOrder(Long orderId) { 16 | log.info("Fetching Order for id {}", orderId); 17 | return orderRepository.get(orderId); 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/application/query/model/QueryParameter.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.application.query.model; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | 6 | @Setter 7 | @Getter 8 | public class QueryParameter { 9 | private String status; 10 | } 11 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/common/config/ApplicationProperties.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.common.config; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | 6 | @Setter 7 | @Getter 8 | public class ApplicationProperties { 9 | private String target; 10 | private String workflowId; 11 | } 12 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/common/config/OrderServiceAppConfig.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.common.config; 2 | 3 | import dev.techdozo.common.activities.CompleteOrderActivity; 4 | import dev.techdozo.order.application.command.OrderCommand; 5 | import dev.techdozo.order.application.command.impl.OrderCommandImpl; 6 | import dev.techdozo.order.application.domain.repository.OrderRepository; 7 | import dev.techdozo.order.application.factory.OrderFactory; 8 | import dev.techdozo.order.application.factory.impl.OrderFactoryImpl; 9 | import dev.techdozo.order.application.orchestration.WorkflowOrchestrator; 10 | import dev.techdozo.order.application.query.OrderQuery; 11 | import dev.techdozo.order.application.query.impl.OrderQueryImpl; 12 | import dev.techdozo.order.infrastructure.temporal.orchestrator.WorkflowOrchestratorClient; 13 | import dev.techdozo.order.infrastructure.temporal.orchestrator.WorkflowOrchestratorImpl; 14 | import dev.techdozo.order.infrastructure.temporal.worker.OrderWorker; 15 | import dev.techdozo.order.infrastructure.temporal.workflow.activity.impl.CompleteOrderActivityImpl; 16 | import dev.techdozo.order.persistence.repository.OrderRepositoryImpl; 17 | import dev.techdozo.order.persistence.repository.jpa.OrderJpaRepository; 18 | import lombok.Setter; 19 | import org.springframework.boot.context.properties.ConfigurationProperties; 20 | import org.springframework.context.annotation.Bean; 21 | import org.springframework.context.annotation.Configuration; 22 | 23 | @Configuration 24 | @Setter 25 | public class OrderServiceAppConfig { 26 | 27 | @Bean 28 | public OrderFactory orderFactory(OrderJpaRepository orderJpaRepository) { 29 | return new OrderFactoryImpl(orderCommand(orderJpaRepository), orderQuery(orderJpaRepository)); 30 | } 31 | 32 | private OrderQuery orderQuery(OrderJpaRepository orderJpaRepository) { 33 | return new OrderQueryImpl(orderRepository(orderJpaRepository)); 34 | } 35 | 36 | @Bean 37 | public OrderCommand orderCommand(OrderJpaRepository orderJpaRepository) { 38 | return new OrderCommandImpl(orderRepository(orderJpaRepository), workflowOrchestrator()); 39 | } 40 | 41 | @Bean 42 | public OrderWorker orderWorker(OrderJpaRepository orderJpaRepository) { 43 | return new OrderWorker( 44 | createPendingOrderActivity(orderJpaRepository), workflowOrchestratorClient()); 45 | } 46 | 47 | @Bean 48 | public CompleteOrderActivity createPendingOrderActivity(OrderJpaRepository orderJpaRepository) { 49 | return new CompleteOrderActivityImpl(orderRepository(orderJpaRepository)); 50 | } 51 | 52 | @Bean 53 | @ConfigurationProperties 54 | public ApplicationProperties applicationProperties() { 55 | return new ApplicationProperties(); 56 | } 57 | 58 | @Bean 59 | public WorkflowOrchestratorClient workflowOrchestratorClient() { 60 | return new WorkflowOrchestratorClient(applicationProperties()); 61 | } 62 | 63 | @Bean 64 | public OrderRepository orderRepository(OrderJpaRepository orderJpaRepository) { 65 | return new OrderRepositoryImpl(orderJpaRepository); 66 | } 67 | 68 | @Bean 69 | public WorkflowOrchestrator workflowOrchestrator() { 70 | return new WorkflowOrchestratorImpl(workflowOrchestratorClient(), applicationProperties()); 71 | } 72 | } 73 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/infrastructure/temporal/orchestrator/WorkflowOrchestratorClient.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.infrastructure.temporal.orchestrator; 2 | 3 | import dev.techdozo.order.common.config.ApplicationProperties; 4 | import io.temporal.client.WorkflowClient; 5 | import io.temporal.serviceclient.WorkflowServiceStubs; 6 | import io.temporal.serviceclient.WorkflowServiceStubsOptions; 7 | import lombok.RequiredArgsConstructor; 8 | 9 | @RequiredArgsConstructor 10 | public class WorkflowOrchestratorClient { 11 | private final ApplicationProperties applicationProperties; 12 | 13 | public WorkflowClient getWorkflowClient() { 14 | var workflowServiceStubsOptions = 15 | WorkflowServiceStubsOptions.newBuilder() 16 | .setTarget(applicationProperties.getTarget()) 17 | .build(); 18 | var workflowServiceStubs = WorkflowServiceStubs.newServiceStubs(workflowServiceStubsOptions); 19 | return WorkflowClient.newInstance(workflowServiceStubs); 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/infrastructure/temporal/orchestrator/WorkflowOrchestratorImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.infrastructure.temporal.orchestrator; 2 | 3 | import dev.techdozo.common.TaskQueue; 4 | import dev.techdozo.common.model.OrderDTO; 5 | import dev.techdozo.order.application.domain.model.Order; 6 | import dev.techdozo.order.application.orchestration.WorkflowOrchestrator; 7 | import dev.techdozo.order.common.config.ApplicationProperties; 8 | import dev.techdozo.order.infrastructure.temporal.workflow.OrderFulfillmentWorkflow; 9 | import io.temporal.client.WorkflowClient; 10 | import io.temporal.client.WorkflowOptions; 11 | import lombok.RequiredArgsConstructor; 12 | 13 | @RequiredArgsConstructor 14 | public class WorkflowOrchestratorImpl implements WorkflowOrchestrator { 15 | 16 | private final WorkflowOrchestratorClient workflowOrchestratorClient; 17 | private final ApplicationProperties applicationProperties; 18 | 19 | @Override 20 | public void createOrder(Order order) { 21 | 22 | var orderDTO = map(order); 23 | 24 | var workflowClient = workflowOrchestratorClient.getWorkflowClient(); 25 | var orderFulfillmentWorkflow = 26 | workflowClient.newWorkflowStub( 27 | OrderFulfillmentWorkflow.class, 28 | WorkflowOptions.newBuilder() 29 | .setWorkflowId(applicationProperties.getWorkflowId() + "-" + orderDTO.getOrderId()) 30 | .setTaskQueue(TaskQueue.ORDER_FULFILLMENT_WORKFLOW_TASK_QUEUE.name()) 31 | .build()); 32 | // Execute Sync 33 | // orderFulfillmentWorkflow.createOrder(orderDTO); 34 | // Async execution 35 | WorkflowClient.start(orderFulfillmentWorkflow::createOrder, orderDTO); 36 | } 37 | 38 | private OrderDTO map(Order order) { 39 | var orderDTO = new OrderDTO(); 40 | orderDTO.setOrderId(order.getOrderId()); 41 | orderDTO.setProductId(order.getProductId()); 42 | orderDTO.setPrice(order.getPrice()); 43 | orderDTO.setQuantity(order.getQuantity()); 44 | return orderDTO; 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/infrastructure/temporal/worker/OrderWorker.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.infrastructure.temporal.worker; 2 | 3 | import dev.techdozo.common.TaskQueue; 4 | import dev.techdozo.common.activities.CompleteOrderActivity; 5 | import dev.techdozo.order.infrastructure.temporal.orchestrator.WorkflowOrchestratorClient; 6 | import dev.techdozo.order.infrastructure.temporal.workflow.impl.OrderFulfillmentWorkflowImpl; 7 | import io.temporal.worker.WorkerFactory; 8 | import io.temporal.worker.WorkerOptions; 9 | import io.temporal.worker.WorkflowImplementationOptions; 10 | import lombok.RequiredArgsConstructor; 11 | import lombok.extern.slf4j.Slf4j; 12 | 13 | import javax.annotation.PostConstruct; 14 | 15 | @Slf4j 16 | @RequiredArgsConstructor 17 | public class OrderWorker { 18 | 19 | private final CompleteOrderActivity completeOrderActivity; 20 | private final WorkflowOrchestratorClient workflowOrchestratorClient; 21 | 22 | @PostConstruct 23 | public void createWorker() { 24 | 25 | log.info("Registering worker.."); 26 | 27 | var workerOptions = WorkerOptions.newBuilder().build(); 28 | 29 | var workflowClient = workflowOrchestratorClient.getWorkflowClient(); 30 | WorkflowImplementationOptions workflowImplementationOptions = 31 | WorkflowImplementationOptions.newBuilder() 32 | .setFailWorkflowExceptionTypes(NullPointerException.class) 33 | .build(); 34 | 35 | var workerFactory = WorkerFactory.newInstance(workflowClient); 36 | var worker = 37 | workerFactory.newWorker( 38 | TaskQueue.ORDER_FULFILLMENT_WORKFLOW_TASK_QUEUE.name(), workerOptions); 39 | 40 | // Can be called multiple times 41 | worker.registerWorkflowImplementationTypes( 42 | workflowImplementationOptions, OrderFulfillmentWorkflowImpl.class); 43 | 44 | worker.registerActivitiesImplementations(completeOrderActivity); 45 | 46 | workerFactory.start(); 47 | 48 | log.info("Registering order worker.."); 49 | } 50 | } 51 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/infrastructure/temporal/workflow/OrderFulfillmentWorkflow.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.infrastructure.temporal.workflow; 2 | 3 | import dev.techdozo.common.model.OrderDTO; 4 | import io.temporal.workflow.WorkflowInterface; 5 | import io.temporal.workflow.WorkflowMethod; 6 | 7 | @WorkflowInterface 8 | public interface OrderFulfillmentWorkflow { 9 | @WorkflowMethod 10 | void createOrder(OrderDTO orderDTO); 11 | } 12 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/infrastructure/temporal/workflow/activity/impl/CompleteOrderActivityImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.infrastructure.temporal.workflow.activity.impl; 2 | 3 | import dev.techdozo.common.activities.CompleteOrderActivity; 4 | import dev.techdozo.common.model.OrderDTO; 5 | import dev.techdozo.order.application.domain.model.Order; 6 | import dev.techdozo.order.application.domain.model.OrderStatus; 7 | import dev.techdozo.order.application.domain.repository.OrderRepository; 8 | import lombok.RequiredArgsConstructor; 9 | import lombok.extern.slf4j.Slf4j; 10 | 11 | @Slf4j 12 | @RequiredArgsConstructor 13 | public class CompleteOrderActivityImpl implements CompleteOrderActivity { 14 | 15 | private final OrderRepository orderRepository; 16 | 17 | @Override 18 | public void completeOrder(OrderDTO orderDTO) { 19 | log.info("Marking order as completed, order id {}", orderDTO.getOrderId()); 20 | var order = map(orderDTO); 21 | order.setOrderStatus(OrderStatus.COMPLETED); 22 | var completedOrder = orderRepository.save(order); 23 | log.info("Order completed, {}", completedOrder); 24 | } 25 | 26 | private Order map(OrderDTO orderDTO) { 27 | var order = new Order(); 28 | order.setOrderId(orderDTO.getOrderId()); 29 | order.setProductId(orderDTO.getProductId()); 30 | order.setPrice(orderDTO.getPrice()); 31 | order.setQuantity(orderDTO.getQuantity()); 32 | return order; 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/infrastructure/temporal/workflow/impl/OrderFulfillmentWorkflowImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.infrastructure.temporal.workflow.impl; 2 | 3 | import dev.techdozo.common.TaskQueue; 4 | import dev.techdozo.common.activities.CompleteOrderActivity; 5 | import dev.techdozo.common.activities.DebitPaymentActivity; 6 | import dev.techdozo.common.activities.ReserveInventoryActivity; 7 | import dev.techdozo.common.activities.ShipGoodsActivity; 8 | import dev.techdozo.common.model.OrderDTO; 9 | import dev.techdozo.order.infrastructure.temporal.workflow.OrderFulfillmentWorkflow; 10 | import io.temporal.activity.ActivityOptions; 11 | import io.temporal.activity.LocalActivityOptions; 12 | import io.temporal.common.RetryOptions; 13 | import io.temporal.workflow.Workflow; 14 | import org.slf4j.Logger; 15 | 16 | import java.time.Duration; 17 | 18 | public class OrderFulfillmentWorkflowImpl implements OrderFulfillmentWorkflow { 19 | 20 | private Logger logger = Workflow.getLogger(this.getClass().getName()); 21 | 22 | private final ActivityOptions shippingActivityOptions = 23 | ActivityOptions.newBuilder() 24 | .setStartToCloseTimeout(Duration.ofMinutes(1)) 25 | .setTaskQueue(TaskQueue.SHIPPING_ACTIVITY_TASK_QUEUE.name()) 26 | .setRetryOptions(RetryOptions.newBuilder().setMaximumAttempts(3).build()) 27 | .build(); 28 | 29 | private final ActivityOptions paymentActivityOptions = 30 | ActivityOptions.newBuilder() 31 | .setStartToCloseTimeout(Duration.ofMinutes(1)) 32 | .setTaskQueue(TaskQueue.PAYMENT_ACTIVITY_TASK_QUEUE.name()) 33 | .setRetryOptions(RetryOptions.newBuilder().setMaximumAttempts(3).build()) 34 | .build(); 35 | private final ActivityOptions inventoryActivityOptions = 36 | ActivityOptions.newBuilder() 37 | .setStartToCloseTimeout(Duration.ofMinutes(1)) 38 | .setTaskQueue(TaskQueue.INVENTORY_ACTIVITY_TASK_QUEUE.name()) 39 | .setRetryOptions(RetryOptions.newBuilder().setMaximumAttempts(3).build()) 40 | .build(); 41 | private final LocalActivityOptions localActivityOptions = 42 | LocalActivityOptions.newBuilder() 43 | .setStartToCloseTimeout(Duration.ofMinutes(1)) 44 | .setRetryOptions(RetryOptions.newBuilder().setMaximumAttempts(10).build()) 45 | .build(); 46 | 47 | private final CompleteOrderActivity orderActivity = 48 | Workflow.newLocalActivityStub(CompleteOrderActivity.class, localActivityOptions); 49 | 50 | private final DebitPaymentActivity paymentActivity = 51 | Workflow.newActivityStub(DebitPaymentActivity.class, paymentActivityOptions); 52 | 53 | private final ReserveInventoryActivity reserveInventoryActivity = 54 | Workflow.newActivityStub(ReserveInventoryActivity.class, inventoryActivityOptions); 55 | 56 | private final ShipGoodsActivity shipGoodsActivity = 57 | Workflow.newActivityStub(ShipGoodsActivity.class, shippingActivityOptions); 58 | 59 | @Override 60 | public void createOrder(OrderDTO orderDTO) { 61 | logger.info("Workflow ID {}", Workflow.getInfo().getWorkflowId()); 62 | 63 | logger.info("Debiting payment.."); 64 | paymentActivity.debitPayment(orderDTO); 65 | 66 | logger.info("Reserving inventory.."); 67 | reserveInventoryActivity.reserveInventory(orderDTO); 68 | 69 | logger.info("Shipping goods.."); 70 | shipGoodsActivity.shipGoods(orderDTO); 71 | 72 | logger.info("Completing order.."); 73 | orderActivity.completeOrder(orderDTO); 74 | } 75 | } 76 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/persistence/mapper/OrderPersistableMapper.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.persistence.mapper; 2 | 3 | import dev.techdozo.order.application.domain.model.Order; 4 | import dev.techdozo.order.persistence.repository.model.OrderPersistable; 5 | import org.mapstruct.Mapper; 6 | import org.mapstruct.Mapping; 7 | import org.mapstruct.ReportingPolicy; 8 | import org.mapstruct.factory.Mappers; 9 | 10 | @Mapper(unmappedTargetPolicy = ReportingPolicy.IGNORE) 11 | public abstract class OrderPersistableMapper { 12 | 13 | public static final OrderPersistableMapper MAPPER = 14 | Mappers.getMapper(OrderPersistableMapper.class); 15 | 16 | @Mapping(source = "orderId", target = "id") 17 | public abstract OrderPersistable map(Order order); 18 | 19 | @Mapping(source = "id", target = "orderId") 20 | public abstract Order map(OrderPersistable orderPersistable); 21 | } 22 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/persistence/repository/OrderRepositoryImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.persistence.repository; 2 | 3 | import dev.techdozo.common.error.ResourceNotFoundException; 4 | import dev.techdozo.order.application.domain.model.Order; 5 | import dev.techdozo.order.application.domain.repository.OrderRepository; 6 | import dev.techdozo.order.persistence.mapper.OrderPersistableMapper; 7 | import dev.techdozo.order.persistence.repository.jpa.OrderJpaRepository; 8 | import lombok.extern.slf4j.Slf4j; 9 | import org.springframework.transaction.annotation.Transactional; 10 | 11 | @Slf4j 12 | public class OrderRepositoryImpl implements OrderRepository { 13 | 14 | private final OrderJpaRepository orderJpaRepository; 15 | 16 | public OrderRepositoryImpl(OrderJpaRepository orderJpaRepository) { 17 | this.orderJpaRepository = orderJpaRepository; 18 | } 19 | 20 | @Override 21 | @Transactional 22 | public Order save(Order order) { 23 | log.info("Saving Order"); 24 | var orderPersistable = OrderPersistableMapper.MAPPER.map(order); 25 | orderPersistable = orderJpaRepository.save(orderPersistable); 26 | log.info("Order saved, order {}", orderPersistable); 27 | return OrderPersistableMapper.MAPPER.map(orderPersistable); 28 | } 29 | 30 | @Override 31 | @Transactional 32 | public Order get(Long orderId) { 33 | log.info("Fetching order for id {}", orderId); 34 | var orderPersistable = 35 | orderJpaRepository 36 | .findById(orderId) 37 | .orElseThrow(() -> new ResourceNotFoundException("Order not found")); 38 | log.info("Fetched order, {}", orderPersistable); 39 | return OrderPersistableMapper.MAPPER.map(orderPersistable); 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/persistence/repository/jpa/OrderJpaRepository.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.persistence.repository.jpa; 2 | 3 | import dev.techdozo.order.persistence.repository.model.OrderPersistable; 4 | import org.springframework.data.jpa.repository.JpaRepository; 5 | 6 | public interface OrderJpaRepository extends JpaRepository {} 7 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/persistence/repository/model/OrderPersistable.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.persistence.repository.model; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | import lombok.ToString; 6 | 7 | import javax.persistence.*; 8 | 9 | @ToString 10 | @Setter 11 | @Getter 12 | @Entity 13 | @Table(name = "product_order") 14 | public class OrderPersistable { 15 | @Id 16 | @GeneratedValue(strategy = GenerationType.AUTO) 17 | private Long id; 18 | 19 | private String productId; 20 | private String orderStatus; 21 | private Double price; 22 | private Double quantity; 23 | } 24 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/resource/OrderController.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.resource; 2 | 3 | import dev.techdozo.order.application.factory.OrderFactory; 4 | import dev.techdozo.order.resource.mapper.OrderRequestMapper; 5 | import dev.techdozo.order.resource.model.OrderRequest; 6 | import dev.techdozo.order.resource.model.OrderResponse; 7 | import lombok.extern.slf4j.Slf4j; 8 | import org.springframework.beans.factory.annotation.Autowired; 9 | import org.springframework.http.HttpStatus; 10 | import org.springframework.http.ResponseEntity; 11 | import org.springframework.web.bind.annotation.*; 12 | 13 | import javax.validation.Valid; 14 | 15 | @RestController 16 | @Slf4j 17 | public class OrderController { 18 | @Autowired private OrderFactory orderFactory; 19 | 20 | @PostMapping("/orders") 21 | public ResponseEntity createOrder(@Valid @RequestBody OrderRequest orderRequest) { 22 | 23 | log.info("Creating order, product id {}", orderRequest.getProductId()); 24 | 25 | var order = OrderRequestMapper.MAPPER.map(orderRequest); 26 | var orderCommand = orderFactory.getOrderCommand(); 27 | 28 | var pendingOrder = orderCommand.createOrder(order); 29 | 30 | var orderResponse = new OrderResponse(pendingOrder.getOrderId(), pendingOrder.getOrderStatus()); 31 | return new ResponseEntity<>(orderResponse, HttpStatus.ACCEPTED); 32 | } 33 | 34 | @GetMapping("/orders/{orderId}") 35 | public ResponseEntity getOrder(@PathVariable Long orderId) { 36 | 37 | log.info("Getting order, id {}", orderId); 38 | 39 | var orderQuery = orderFactory.getOrderQuery(); 40 | 41 | var order = orderQuery.getOrder(orderId); 42 | 43 | var orderResponse = new OrderResponse(order.getOrderId(), order.getOrderStatus()); 44 | return new ResponseEntity<>(orderResponse, HttpStatus.OK); 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/resource/mapper/OrderRequestMapper.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.resource.mapper; 2 | 3 | import dev.techdozo.order.application.domain.model.Order; 4 | import dev.techdozo.order.resource.model.OrderRequest; 5 | import org.mapstruct.Mapper; 6 | import org.mapstruct.ReportingPolicy; 7 | import org.mapstruct.factory.Mappers; 8 | 9 | @Mapper(unmappedTargetPolicy = ReportingPolicy.IGNORE) 10 | public abstract class OrderRequestMapper { 11 | 12 | public static final OrderRequestMapper MAPPER = Mappers.getMapper(OrderRequestMapper.class); 13 | 14 | public abstract Order map(OrderRequest request); 15 | } 16 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/resource/model/OrderRequest.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.resource.model; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | import lombok.ToString; 6 | 7 | import javax.validation.constraints.NotBlank; 8 | import javax.validation.constraints.NotNull; 9 | 10 | @Setter 11 | @Getter 12 | @ToString 13 | public class OrderRequest { 14 | 15 | @NotNull(message = "Product ID is required.") 16 | @NotBlank(message = "Product ID cannot be blank.") 17 | private Long productId; 18 | 19 | @NotNull(message = "Price is required.") 20 | private Double price; 21 | 22 | @NotNull(message = "Quantity is required.") 23 | private Double quantity; 24 | } 25 | -------------------------------------------------------------------------------- /services/order-svc/src/main/java/dev/techdozo/order/resource/model/OrderResponse.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.order.resource.model; 2 | 3 | import dev.techdozo.order.application.domain.model.OrderStatus; 4 | import lombok.AllArgsConstructor; 5 | import lombok.Getter; 6 | import lombok.Setter; 7 | import lombok.ToString; 8 | 9 | @Setter 10 | @Getter 11 | @ToString 12 | @AllArgsConstructor 13 | public class OrderResponse { 14 | private Long orderId; 15 | private OrderStatus orderStatus; 16 | } 17 | -------------------------------------------------------------------------------- /services/order-svc/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | spring.main.banner-mode=off 2 | server.port=8081 3 | application.name=order-svc 4 | target=127.0.0.1:7233 5 | spring.jpa.generate-ddl=true 6 | spring.jpa.hibernate.ddl-auto=create 7 | workflow_id=OrderFulfillmentWorkflow 8 | #logging.level.org.hibernate.type=trace 9 | #logging.level.org.hibernate.SQL=debug 10 | #logging.level.org.hibernate.type.descriptor.sql=trace 11 | #logging.level.org.springframework.jdbc.support.JdbcTransactionManager=TRACE 12 | #spring.h2.console.enabled=true 13 | #spring.datasource.url=jdbc:h2:mem:testdb 14 | #spring.datasource.username=sa 15 | #spring.datasource.password= password 16 | -------------------------------------------------------------------------------- /services/payment-svc/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'io.spring.dependency-management' version '1.0.11.RELEASE' 3 | id 'org.springframework.boot' version '2.7.1' 4 | id 'java' 5 | } 6 | 7 | def mapstructVersion = '1.5.2.Final' 8 | dependencies { 9 | implementation project(':services:common') 10 | implementation 'org.springframework.boot:spring-boot-starter-web' 11 | implementation 'org.springframework.boot:spring-boot-starter-data-jpa' 12 | runtimeOnly 'com.h2database:h2' 13 | implementation 'io.temporal:temporal-sdk:1.16.0' 14 | 15 | compileOnly 'org.projectlombok:lombok' 16 | annotationProcessor 'org.projectlombok:lombok' 17 | implementation 'org.slf4j:slf4j-api:1.7.30' 18 | implementation 'javax.validation:validation-api:2.0.1.Final' 19 | implementation 'javax.annotation:javax.annotation-api:1.3.2' 20 | implementation "org.mapstruct:mapstruct:${mapstructVersion}" 21 | annotationProcessor "org.mapstruct:mapstruct-processor:${mapstructVersion}" 22 | 23 | testImplementation 'com.google.code.bean-matchers:bean-matchers:0.12' 24 | testImplementation 'org.springframework.boot:spring-boot-starter-test' 25 | testImplementation 'org.mockito:mockito-core:4.8.0' 26 | testImplementation 'junit:junit:4.13.1' 27 | testImplementation 'org.hamcrest:hamcrest-all:1.3' 28 | } -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/PaymentSvcApplication.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment; 2 | 3 | import lombok.extern.slf4j.Slf4j; 4 | import org.springframework.boot.SpringApplication; 5 | import org.springframework.boot.autoconfigure.SpringBootApplication; 6 | 7 | @Slf4j 8 | @SpringBootApplication 9 | public class PaymentSvcApplication { 10 | 11 | public static void main(String[] args) { 12 | SpringApplication.run(PaymentSvcApplication.class, args); 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/application/domain/model/Payment.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.application.domain.model; 2 | 3 | import lombok.Builder; 4 | import lombok.Getter; 5 | import lombok.Setter; 6 | import lombok.ToString; 7 | 8 | /** Payment Domain object */ 9 | @Setter 10 | @Getter 11 | @ToString 12 | @Builder 13 | public class Payment { 14 | private Long paymentId; 15 | private Long orderId; 16 | private Long productId; 17 | private Double amount; 18 | private String externalId; 19 | } 20 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/application/domain/repository/PaymentRepository.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.application.domain.repository; 2 | 3 | import dev.techdozo.payment.application.domain.model.Payment; 4 | 5 | import java.util.List; 6 | 7 | /** Domain repository for the Payment. */ 8 | public interface PaymentRepository { 9 | Payment save(Payment payment); 10 | 11 | List getAll(); 12 | } 13 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/application/service/PaymentService.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.application.service; 2 | 3 | public interface PaymentService { 4 | String debit(Double amount); 5 | } 6 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/application/service/impl/PaymentServiceImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.application.service.impl; 2 | 3 | import dev.techdozo.payment.application.service.PaymentService; 4 | 5 | import java.util.UUID; 6 | 7 | public class PaymentServiceImpl implements PaymentService { 8 | @Override 9 | public String debit(Double amount) { 10 | UUID uuid = UUID.randomUUID(); 11 | return uuid.toString(); 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/config/ApplicationProperties.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.config; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | 6 | @Setter 7 | @Getter 8 | public class ApplicationProperties { 9 | private String target; 10 | private String workflowId; 11 | } 12 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/config/PaymentServiceAppConfig.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.config; 2 | 3 | import dev.techdozo.common.activities.DebitPaymentActivity; 4 | import dev.techdozo.payment.application.domain.repository.PaymentRepository; 5 | import dev.techdozo.payment.application.service.PaymentService; 6 | import dev.techdozo.payment.application.service.impl.PaymentServiceImpl; 7 | import dev.techdozo.payment.infrastructure.temporal.orchestrator.WorkflowOrchestratorClient; 8 | import dev.techdozo.payment.infrastructure.temporal.orchestrator.worker.PaymentWorker; 9 | import dev.techdozo.payment.infrastructure.temporal.workflow.activity.impl.DebitPaymentActivityImpl; 10 | import dev.techdozo.payment.persistence.repository.PaymentRepositoryImpl; 11 | import dev.techdozo.payment.persistence.repository.jpa.PaymentJpaRepository; 12 | import lombok.Setter; 13 | import org.springframework.boot.context.properties.ConfigurationProperties; 14 | import org.springframework.context.annotation.Bean; 15 | import org.springframework.context.annotation.Configuration; 16 | 17 | @Configuration 18 | @Setter 19 | public class PaymentServiceAppConfig { 20 | 21 | @Bean 22 | public PaymentWorker paymentWorker(PaymentJpaRepository paymentJpaRepository) { 23 | return new PaymentWorker( 24 | debitPaymentActivity(paymentJpaRepository), workflowOrchestratorClient()); 25 | } 26 | 27 | @Bean 28 | public DebitPaymentActivity debitPaymentActivity(PaymentJpaRepository paymentJpaRepository) { 29 | return new DebitPaymentActivityImpl(paymentService(), paymentRepository(paymentJpaRepository)); 30 | } 31 | 32 | @Bean 33 | public PaymentService paymentService() { 34 | return new PaymentServiceImpl(); 35 | } 36 | 37 | @Bean 38 | @ConfigurationProperties 39 | public ApplicationProperties applicationProperties() { 40 | return new ApplicationProperties(); 41 | } 42 | 43 | @Bean 44 | public WorkflowOrchestratorClient workflowOrchestratorClient() { 45 | return new WorkflowOrchestratorClient(applicationProperties()); 46 | } 47 | 48 | @Bean 49 | public PaymentRepository paymentRepository(PaymentJpaRepository paymentJpaRepository) { 50 | return new PaymentRepositoryImpl(paymentJpaRepository); 51 | } 52 | } 53 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/infrastructure/temporal/orchestrator/WorkflowOrchestratorClient.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.infrastructure.temporal.orchestrator; 2 | 3 | import dev.techdozo.payment.config.ApplicationProperties; 4 | import io.temporal.client.WorkflowClient; 5 | import io.temporal.serviceclient.WorkflowServiceStubs; 6 | import io.temporal.serviceclient.WorkflowServiceStubsOptions; 7 | import lombok.RequiredArgsConstructor; 8 | 9 | @RequiredArgsConstructor 10 | public class WorkflowOrchestratorClient { 11 | private final ApplicationProperties applicationProperties; 12 | 13 | public WorkflowClient getWorkflowClient() { 14 | var workflowServiceStubsOptions = 15 | WorkflowServiceStubsOptions.newBuilder() 16 | .setTarget(applicationProperties.getTarget()) 17 | .build(); 18 | var workflowServiceStubs = WorkflowServiceStubs.newServiceStubs(workflowServiceStubsOptions); 19 | return WorkflowClient.newInstance(workflowServiceStubs); 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/infrastructure/temporal/orchestrator/worker/PaymentWorker.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.infrastructure.temporal.orchestrator.worker; 2 | 3 | import dev.techdozo.common.TaskQueue; 4 | import dev.techdozo.common.activities.DebitPaymentActivity; 5 | import dev.techdozo.payment.infrastructure.temporal.orchestrator.WorkflowOrchestratorClient; 6 | import io.temporal.worker.WorkerFactory; 7 | import io.temporal.worker.WorkerOptions; 8 | import lombok.RequiredArgsConstructor; 9 | import lombok.extern.slf4j.Slf4j; 10 | 11 | import javax.annotation.PostConstruct; 12 | 13 | @Slf4j 14 | @RequiredArgsConstructor 15 | public class PaymentWorker { 16 | 17 | private final DebitPaymentActivity debitPaymentActivity; 18 | private final WorkflowOrchestratorClient workflowOrchestratorClient; 19 | 20 | @PostConstruct 21 | public void createWorker() { 22 | 23 | log.info("Registering Payment worker.."); 24 | 25 | var workflowClient = workflowOrchestratorClient.getWorkflowClient(); 26 | 27 | var workerOptions = WorkerOptions.newBuilder().build(); 28 | 29 | var workerFactory = WorkerFactory.newInstance(workflowClient); 30 | var worker = 31 | workerFactory.newWorker(TaskQueue.PAYMENT_ACTIVITY_TASK_QUEUE.name(), workerOptions); 32 | 33 | worker.registerActivitiesImplementations(debitPaymentActivity); 34 | 35 | workerFactory.start(); 36 | 37 | log.info("Registered Payment worker.."); 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/infrastructure/temporal/workflow/activity/impl/DebitPaymentActivityImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.infrastructure.temporal.workflow.activity.impl; 2 | 3 | import dev.techdozo.common.activities.DebitPaymentActivity; 4 | import dev.techdozo.common.model.OrderDTO; 5 | import dev.techdozo.payment.application.domain.model.Payment; 6 | import dev.techdozo.payment.application.domain.repository.PaymentRepository; 7 | import dev.techdozo.payment.application.service.PaymentService; 8 | import lombok.RequiredArgsConstructor; 9 | import lombok.extern.slf4j.Slf4j; 10 | 11 | @Slf4j 12 | @RequiredArgsConstructor 13 | public class DebitPaymentActivityImpl implements DebitPaymentActivity { 14 | 15 | private final PaymentService paymentService; 16 | private final PaymentRepository paymentRepository; 17 | 18 | @Override 19 | public void debitPayment(OrderDTO orderDTO) { 20 | log.info("Processing payment for order {}", orderDTO.getOrderId()); 21 | double amount = orderDTO.getQuantity() * orderDTO.getPrice(); 22 | // Call external Payment service such as Stripe 23 | var externalPaymentId = paymentService.debit(amount); 24 | // Create domain object 25 | var payment = 26 | Payment.builder() 27 | .externalId(externalPaymentId) 28 | .orderId(orderDTO.getOrderId()) 29 | .productId(orderDTO.getProductId()) 30 | .amount(amount) 31 | .build(); 32 | paymentRepository.save(payment); 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/persistence/mapper/PaymentPersistableMapper.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.persistence.mapper; 2 | 3 | import dev.techdozo.payment.application.domain.model.Payment; 4 | import dev.techdozo.payment.persistence.repository.model.PaymentPersistable; 5 | import org.mapstruct.Mapper; 6 | import org.mapstruct.Mapping; 7 | import org.mapstruct.ReportingPolicy; 8 | import org.mapstruct.factory.Mappers; 9 | 10 | @Mapper(unmappedTargetPolicy = ReportingPolicy.IGNORE) 11 | public abstract class PaymentPersistableMapper { 12 | 13 | public static final PaymentPersistableMapper MAPPER = 14 | Mappers.getMapper(PaymentPersistableMapper.class); 15 | 16 | @Mapping(source = "paymentId", target = "id") 17 | public abstract PaymentPersistable map(Payment payment); 18 | 19 | @Mapping(source = "id", target = "paymentId") 20 | public abstract Payment map(PaymentPersistable paymentPersistable); 21 | } 22 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/persistence/repository/PaymentRepositoryImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.persistence.repository; 2 | 3 | import dev.techdozo.payment.application.domain.model.Payment; 4 | import dev.techdozo.payment.application.domain.repository.PaymentRepository; 5 | import dev.techdozo.payment.persistence.mapper.PaymentPersistableMapper; 6 | import dev.techdozo.payment.persistence.repository.jpa.PaymentJpaRepository; 7 | import lombok.extern.slf4j.Slf4j; 8 | 9 | import java.util.List; 10 | 11 | @Slf4j 12 | public class PaymentRepositoryImpl implements PaymentRepository { 13 | 14 | private final PaymentJpaRepository paymentJpaRepository; 15 | 16 | public PaymentRepositoryImpl(PaymentJpaRepository paymentJpaRepository) { 17 | this.paymentJpaRepository = paymentJpaRepository; 18 | } 19 | 20 | @Override 21 | public Payment save(Payment payment) { 22 | log.info("Saving Payment"); 23 | var paymentPersistable = PaymentPersistableMapper.MAPPER.map(payment); 24 | paymentPersistable = paymentJpaRepository.save(paymentPersistable); 25 | log.info("Payment saved, id {}", paymentPersistable.getId()); 26 | return PaymentPersistableMapper.MAPPER.map(paymentPersistable); 27 | } 28 | 29 | @Override 30 | public List getAll() { 31 | log.info("Getting all payments from DB.."); 32 | var paymentPersistables = paymentJpaRepository.findAll(); 33 | return paymentPersistables.stream().map(PaymentPersistableMapper.MAPPER::map).toList(); 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/persistence/repository/jpa/PaymentJpaRepository.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.persistence.repository.jpa; 2 | 3 | import dev.techdozo.payment.persistence.repository.model.PaymentPersistable; 4 | import org.springframework.data.jpa.repository.JpaRepository; 5 | 6 | public interface PaymentJpaRepository extends JpaRepository {} 7 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/persistence/repository/model/PaymentPersistable.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.persistence.repository.model; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | import lombok.ToString; 6 | 7 | import javax.persistence.*; 8 | 9 | @ToString 10 | @Setter 11 | @Getter 12 | @Entity 13 | @Table(name = "payment") 14 | public class PaymentPersistable { 15 | @Id 16 | @GeneratedValue(strategy = GenerationType.AUTO) 17 | private Long id; 18 | 19 | private Long orderId; 20 | private String productId; 21 | private Double amount; 22 | private String externalId; 23 | } 24 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/java/dev/techdozo/payment/resource/PaymentController.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.payment.resource; 2 | 3 | import dev.techdozo.payment.application.domain.model.Payment; 4 | import dev.techdozo.payment.application.domain.repository.PaymentRepository; 5 | import lombok.extern.slf4j.Slf4j; 6 | import org.springframework.beans.factory.annotation.Autowired; 7 | import org.springframework.http.HttpStatus; 8 | import org.springframework.http.ResponseEntity; 9 | import org.springframework.web.bind.annotation.GetMapping; 10 | import org.springframework.web.bind.annotation.RestController; 11 | 12 | import java.util.List; 13 | 14 | @RestController 15 | @Slf4j 16 | public class PaymentController { 17 | @Autowired private PaymentRepository paymentRepository; 18 | 19 | @GetMapping("/payments") 20 | public ResponseEntity> listPayments() { 21 | log.info("Getting all payments.."); 22 | // For simplicity, keep API model same as domain model 23 | List payments = paymentRepository.getAll(); 24 | return new ResponseEntity<>(payments, HttpStatus.OK); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /services/payment-svc/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | application.name=payment-svc 2 | spring.main.banner-mode=off 3 | server.port=8083 4 | target=127.0.0.1:7233 5 | spring.jpa.generate-ddl=true 6 | spring.jpa.hibernate.ddl-auto=create 7 | workflow_id=OrderFulfillmentWorkflow 8 | -------------------------------------------------------------------------------- /services/shipment-svc/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'io.spring.dependency-management' version '1.0.11.RELEASE' 3 | id 'org.springframework.boot' version '2.7.1' 4 | id 'java' 5 | } 6 | 7 | def mapstructVersion = '1.5.2.Final' 8 | dependencies { 9 | implementation project(':services:common') 10 | implementation 'org.springframework.boot:spring-boot-starter-web' 11 | implementation 'org.springframework.boot:spring-boot-starter-data-jpa' 12 | runtimeOnly 'com.h2database:h2' 13 | implementation 'io.temporal:temporal-sdk:1.16.0' 14 | 15 | compileOnly 'org.projectlombok:lombok' 16 | annotationProcessor 'org.projectlombok:lombok' 17 | implementation 'org.slf4j:slf4j-api:1.7.30' 18 | implementation 'javax.validation:validation-api:2.0.1.Final' 19 | implementation 'javax.annotation:javax.annotation-api:1.3.2' 20 | implementation "org.mapstruct:mapstruct:${mapstructVersion}" 21 | annotationProcessor "org.mapstruct:mapstruct-processor:${mapstructVersion}" 22 | 23 | testImplementation 'com.google.code.bean-matchers:bean-matchers:0.12' 24 | testImplementation 'org.springframework.boot:spring-boot-starter-test' 25 | testImplementation 'org.mockito:mockito-core:4.8.0' 26 | testImplementation 'junit:junit:4.13.1' 27 | testImplementation 'org.hamcrest:hamcrest-all:1.3' 28 | } -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/ShipmentSvcApplication.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment; 2 | 3 | import lombok.extern.slf4j.Slf4j; 4 | import org.springframework.boot.SpringApplication; 5 | import org.springframework.boot.autoconfigure.SpringBootApplication; 6 | 7 | @Slf4j 8 | @SpringBootApplication 9 | public class ShipmentSvcApplication { 10 | 11 | public static void main(String[] args) { 12 | SpringApplication.run(ShipmentSvcApplication.class, args); 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/application/domain/model/Shipment.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.application.domain.model; 2 | 3 | import lombok.Builder; 4 | import lombok.Getter; 5 | import lombok.Setter; 6 | import lombok.ToString; 7 | 8 | /** Shipment Domain object */ 9 | @Setter 10 | @Getter 11 | @ToString 12 | @Builder 13 | public class Shipment { 14 | private Long shipmentId; 15 | private Long orderId; 16 | private Long productId; 17 | private String trackingId; 18 | private Double quantity; 19 | } 20 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/application/domain/repository/ShipmentRepository.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.application.domain.repository; 2 | 3 | import dev.techdozo.shipment.application.domain.model.Shipment; 4 | 5 | import java.util.List; 6 | 7 | /** Domain repository for the Shipment. */ 8 | public interface ShipmentRepository { 9 | Shipment save(Shipment shipment); 10 | 11 | List getAll(); 12 | } 13 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/application/domain/service/ShipmentService.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.application.domain.service; 2 | 3 | public interface ShipmentService { 4 | String shipGoods(Double quantity); 5 | } 6 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/application/domain/service/ShipmentServiceImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.application.domain.service; 2 | 3 | import lombok.SneakyThrows; 4 | 5 | import java.util.UUID; 6 | 7 | /** Mock implementation to represent call to external service to initiate shipping */ 8 | public class ShipmentServiceImpl implements ShipmentService { 9 | @SneakyThrows 10 | @Override 11 | public String shipGoods(Double quantity) { 12 | UUID uuid = UUID.randomUUID(); 13 | Thread.sleep(2000); 14 | return uuid.toString(); 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/config/ApplicationProperties.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.config; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | 6 | @Setter 7 | @Getter 8 | public class ApplicationProperties { 9 | private String target; 10 | private String workflowId; 11 | } 12 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/config/ShipmentServiceAppConfig.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.config; 2 | 3 | import dev.techdozo.common.activities.ShipGoodsActivity; 4 | import dev.techdozo.shipment.application.domain.repository.ShipmentRepository; 5 | import dev.techdozo.shipment.application.domain.service.ShipmentService; 6 | import dev.techdozo.shipment.application.domain.service.ShipmentServiceImpl; 7 | import dev.techdozo.shipment.infrastructure.temporal.orchestrator.WorkflowOrchestratorClient; 8 | import dev.techdozo.shipment.infrastructure.temporal.worker.ShipmentWorker; 9 | import dev.techdozo.shipment.infrastructure.temporal.workflow.activity.impl.ShipGoodsActivityImpl; 10 | import dev.techdozo.shipment.persistence.repository.ShipmentRepositoryImpl; 11 | import dev.techdozo.shipment.persistence.repository.jpa.ShipmentJpaRepository; 12 | import lombok.Setter; 13 | import org.springframework.boot.context.properties.ConfigurationProperties; 14 | import org.springframework.context.annotation.Bean; 15 | import org.springframework.context.annotation.Configuration; 16 | 17 | @Configuration 18 | @Setter 19 | public class ShipmentServiceAppConfig { 20 | 21 | @Bean 22 | public ShipmentWorker shipmentWorker(ShipmentJpaRepository shipmentJpaRepository) { 23 | return new ShipmentWorker( 24 | shipGoodsActivity(shipmentJpaRepository), workflowOrchestratorClient()); 25 | } 26 | 27 | @Bean 28 | public ShipGoodsActivity shipGoodsActivity(ShipmentJpaRepository shipmentJpaRepository) { 29 | return new ShipGoodsActivityImpl(shipmentService(), shipmentRepository(shipmentJpaRepository)); 30 | } 31 | 32 | @Bean 33 | public ShipmentService shipmentService() { 34 | return new ShipmentServiceImpl(); 35 | } 36 | 37 | @Bean 38 | @ConfigurationProperties 39 | public ApplicationProperties applicationProperties() { 40 | return new ApplicationProperties(); 41 | } 42 | 43 | @Bean 44 | public WorkflowOrchestratorClient workflowOrchestratorClient() { 45 | return new WorkflowOrchestratorClient(applicationProperties()); 46 | } 47 | 48 | @Bean 49 | public ShipmentRepository shipmentRepository(ShipmentJpaRepository shipmentJpaRepository) { 50 | return new ShipmentRepositoryImpl(shipmentJpaRepository); 51 | } 52 | } 53 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/infrastructure/temporal/orchestrator/WorkflowOrchestratorClient.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.infrastructure.temporal.orchestrator; 2 | 3 | import dev.techdozo.shipment.config.ApplicationProperties; 4 | import io.temporal.client.WorkflowClient; 5 | import io.temporal.serviceclient.WorkflowServiceStubs; 6 | import io.temporal.serviceclient.WorkflowServiceStubsOptions; 7 | import lombok.RequiredArgsConstructor; 8 | 9 | @RequiredArgsConstructor 10 | public class WorkflowOrchestratorClient { 11 | private final ApplicationProperties applicationProperties; 12 | 13 | public WorkflowClient getWorkflowClient() { 14 | var workflowServiceStubsOptions = 15 | WorkflowServiceStubsOptions.newBuilder() 16 | .setTarget(applicationProperties.getTarget()) 17 | .build(); 18 | var workflowServiceStubs = WorkflowServiceStubs.newServiceStubs(workflowServiceStubsOptions); 19 | return WorkflowClient.newInstance(workflowServiceStubs); 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/infrastructure/temporal/worker/ShipmentWorker.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.infrastructure.temporal.worker; 2 | 3 | import dev.techdozo.common.TaskQueue; 4 | import dev.techdozo.common.activities.ShipGoodsActivity; 5 | import dev.techdozo.shipment.infrastructure.temporal.orchestrator.WorkflowOrchestratorClient; 6 | import io.temporal.worker.WorkerFactory; 7 | import lombok.RequiredArgsConstructor; 8 | import lombok.extern.slf4j.Slf4j; 9 | 10 | import javax.annotation.PostConstruct; 11 | 12 | @Slf4j 13 | @RequiredArgsConstructor 14 | public class ShipmentWorker { 15 | 16 | private final ShipGoodsActivity shipGoodsActivity; 17 | private final WorkflowOrchestratorClient workflowOrchestratorClient; 18 | 19 | @PostConstruct 20 | public void createWorker() { 21 | 22 | log.info("Registering worker.."); 23 | 24 | var workflowClient = workflowOrchestratorClient.getWorkflowClient(); 25 | 26 | var workerFactory = WorkerFactory.newInstance(workflowClient); 27 | var worker = workerFactory.newWorker(TaskQueue.SHIPPING_ACTIVITY_TASK_QUEUE.name()); 28 | 29 | worker.registerActivitiesImplementations(shipGoodsActivity); 30 | 31 | workerFactory.start(); 32 | 33 | log.info("Shipment worker started.."); 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/infrastructure/temporal/workflow/activity/impl/ShipGoodsActivityImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.infrastructure.temporal.workflow.activity.impl; 2 | 3 | import dev.techdozo.common.activities.ShipGoodsActivity; 4 | import dev.techdozo.common.model.OrderDTO; 5 | import dev.techdozo.shipment.application.domain.model.Shipment; 6 | import dev.techdozo.shipment.application.domain.repository.ShipmentRepository; 7 | import dev.techdozo.shipment.application.domain.service.ShipmentService; 8 | import lombok.RequiredArgsConstructor; 9 | import lombok.extern.slf4j.Slf4j; 10 | 11 | @Slf4j 12 | @RequiredArgsConstructor 13 | public class ShipGoodsActivityImpl implements ShipGoodsActivity { 14 | 15 | private final ShipmentService shipmentService; 16 | private final ShipmentRepository shipmentRepository; 17 | 18 | @Override 19 | public void shipGoods(OrderDTO orderDTO) { 20 | 21 | log.info("Dispatching shipment, order id {}", orderDTO.getOrderId()); 22 | var trackingId = shipmentService.shipGoods(orderDTO.getQuantity()); 23 | 24 | var shipment = 25 | Shipment.builder() 26 | .orderId(orderDTO.getOrderId()) 27 | .productId(orderDTO.getProductId()) 28 | .quantity(orderDTO.getQuantity()) 29 | .trackingId(trackingId) 30 | .build(); 31 | shipmentRepository.save(shipment); 32 | 33 | log.info("Created shipment for order id {}", orderDTO.getOrderId()); 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/persistence/mapper/ShipmentPersistableMapper.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.persistence.mapper; 2 | 3 | import dev.techdozo.shipment.application.domain.model.Shipment; 4 | import dev.techdozo.shipment.persistence.repository.model.ShipmentPersistable; 5 | import org.mapstruct.Mapper; 6 | import org.mapstruct.Mapping; 7 | import org.mapstruct.ReportingPolicy; 8 | import org.mapstruct.factory.Mappers; 9 | 10 | @Mapper(unmappedTargetPolicy = ReportingPolicy.IGNORE) 11 | public abstract class ShipmentPersistableMapper { 12 | 13 | public static final ShipmentPersistableMapper MAPPER = 14 | Mappers.getMapper(ShipmentPersistableMapper.class); 15 | 16 | @Mapping(source = "shipmentId", target = "id") 17 | public abstract ShipmentPersistable map(Shipment shipment); 18 | 19 | @Mapping(source = "id", target = "shipmentId") 20 | public abstract Shipment map(ShipmentPersistable shipmentPersistable); 21 | } 22 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/persistence/repository/ShipmentRepositoryImpl.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.persistence.repository; 2 | 3 | import dev.techdozo.shipment.application.domain.model.Shipment; 4 | import dev.techdozo.shipment.application.domain.repository.ShipmentRepository; 5 | import dev.techdozo.shipment.persistence.mapper.ShipmentPersistableMapper; 6 | import dev.techdozo.shipment.persistence.repository.jpa.ShipmentJpaRepository; 7 | import lombok.extern.slf4j.Slf4j; 8 | 9 | import java.util.List; 10 | 11 | @Slf4j 12 | public class ShipmentRepositoryImpl implements ShipmentRepository { 13 | 14 | private final ShipmentJpaRepository shipmentJpaRepository; 15 | 16 | public ShipmentRepositoryImpl(ShipmentJpaRepository shipmentJpaRepository) { 17 | this.shipmentJpaRepository = shipmentJpaRepository; 18 | } 19 | 20 | @Override 21 | public Shipment save(Shipment shipment) { 22 | log.info("Saving Shipment"); 23 | var shipmentPersistable = ShipmentPersistableMapper.MAPPER.map(shipment); 24 | shipmentPersistable = shipmentJpaRepository.save(shipmentPersistable); 25 | log.info("Shipment saved, id {}", shipmentPersistable.getId()); 26 | return ShipmentPersistableMapper.MAPPER.map(shipmentPersistable); 27 | } 28 | 29 | @Override 30 | public List getAll() { 31 | log.info("Getting all shipments from DB.."); 32 | var shipmentPersistables = shipmentJpaRepository.findAll(); 33 | return shipmentPersistables.stream().map(ShipmentPersistableMapper.MAPPER::map).toList(); 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/persistence/repository/jpa/ShipmentJpaRepository.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.persistence.repository.jpa; 2 | 3 | import dev.techdozo.shipment.persistence.repository.model.ShipmentPersistable; 4 | import org.springframework.data.jpa.repository.JpaRepository; 5 | 6 | public interface ShipmentJpaRepository extends JpaRepository {} 7 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/persistence/repository/model/ShipmentPersistable.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.persistence.repository.model; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | import lombok.ToString; 6 | 7 | import javax.persistence.*; 8 | 9 | @ToString 10 | @Setter 11 | @Getter 12 | @Entity 13 | @Table(name = "shipment") 14 | public class ShipmentPersistable { 15 | @Id 16 | @GeneratedValue(strategy = GenerationType.AUTO) 17 | private Long id; 18 | 19 | private Long orderId; 20 | private String productId; 21 | private Double quantity; 22 | private String trackingId; 23 | } 24 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/java/dev/techdozo/shipment/resource/ShipmentController.java: -------------------------------------------------------------------------------- 1 | package dev.techdozo.shipment.resource; 2 | 3 | import dev.techdozo.shipment.application.domain.model.Shipment; 4 | import dev.techdozo.shipment.application.domain.repository.ShipmentRepository; 5 | import lombok.extern.slf4j.Slf4j; 6 | import org.springframework.beans.factory.annotation.Autowired; 7 | import org.springframework.http.HttpStatus; 8 | import org.springframework.http.ResponseEntity; 9 | import org.springframework.web.bind.annotation.GetMapping; 10 | import org.springframework.web.bind.annotation.RestController; 11 | 12 | import java.util.List; 13 | 14 | @RestController 15 | @Slf4j 16 | public class ShipmentController { 17 | @Autowired private ShipmentRepository shipmentRepository; 18 | 19 | @GetMapping("/shipments") 20 | public ResponseEntity> listShipment() { 21 | log.info("Getting all shipments.."); 22 | List inventories = shipmentRepository.getAll(); 23 | return new ResponseEntity<>(inventories, HttpStatus.OK); 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /services/shipment-svc/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | application.name=shipment-svc 2 | spring.main.banner-mode=off 3 | server.port=8084 4 | target=127.0.0.1:7233 5 | spring.jpa.generate-ddl=true 6 | spring.jpa.hibernate.ddl-auto=create 7 | workflow_id=OrderFulfillmentWorkflow 8 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include 'services:order-svc' 2 | include 'services:inventory-svc' 3 | include 'services:payment-svc' 4 | include 'services:shipment-svc' 5 | include 'services:common' 6 | 7 | --------------------------------------------------------------------------------