├── .gitignore ├── README.md ├── build.gradle ├── gradlew ├── gradlew.bat └── src └── main ├── java ├── Application.java └── pl │ └── org │ └── sbolimowski │ └── async │ ├── api │ └── AsyncResource.java │ ├── core │ ├── FacebookService.java │ └── GitHubService.java │ ├── model │ ├── FacebookUser.java │ ├── GitHubContributor.java │ ├── GitHubRepo.java │ ├── GitHubUser.java │ └── UserInfo.java │ └── utils │ └── Futures.java └── resources └── logback.xml /.gitignore: -------------------------------------------------------------------------------- 1 | .gradle 2 | .idea 3 | .java-version 4 | 5 | build/ 6 | gradle/ 7 | *.iml 8 | *.log 9 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Sample REST service demonstrating asynchronous processing build on Spring Boot and Jersey 2. Requires Java 8, build with gradle 2.1. 2 | 3 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | repositories { 3 | maven { url "http://repo.spring.io/libs-release" } 4 | mavenLocal() 5 | mavenCentral() 6 | } 7 | dependencies { 8 | classpath("org.springframework.boot:spring-boot-gradle-plugin:1.1.6.RELEASE") 9 | } 10 | } 11 | 12 | apply plugin: 'java' 13 | apply plugin: 'idea' 14 | apply plugin: 'spring-boot' 15 | 16 | jar { 17 | baseName = 'async-rest-service' 18 | version = '0.0.1' 19 | } 20 | 21 | repositories { 22 | mavenLocal() 23 | mavenCentral() 24 | maven { url "http://repo.spring.io/libs-release" } 25 | } 26 | 27 | dependencies { 28 | compile("org.springframework.boot:spring-boot-starter-web") 29 | compile("org.springframework.boot:spring-boot-jersey:+") 30 | compile("org.glassfish.jersey.containers:jersey-container-servlet:+") 31 | compile("org.glassfish.jersey.media:jersey-media-json-jackson:+") 32 | compile("com.fasterxml.jackson.jaxrs:jackson-jaxrs-json-provider:+") 33 | 34 | testCompile("junit:junit") 35 | } 36 | 37 | task wrapper(type: Wrapper) { 38 | gradleVersion = '2.1' 39 | } 40 | 41 | 42 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # For Cygwin, ensure paths are in UNIX format before anything is touched. 46 | if $cygwin ; then 47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 48 | fi 49 | 50 | # Attempt to set APP_HOME 51 | # Resolve links: $0 may be a link 52 | PRG="$0" 53 | # Need this for relative symlinks. 54 | while [ -h "$PRG" ] ; do 55 | ls=`ls -ld "$PRG"` 56 | link=`expr "$ls" : '.*-> \(.*\)$'` 57 | if expr "$link" : '/.*' > /dev/null; then 58 | PRG="$link" 59 | else 60 | PRG=`dirname "$PRG"`"/$link" 61 | fi 62 | done 63 | SAVED="`pwd`" 64 | cd "`dirname \"$PRG\"`/" >&- 65 | APP_HOME="`pwd -P`" 66 | cd "$SAVED" >&- 67 | 68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 69 | 70 | # Determine the Java command to use to start the JVM. 71 | if [ -n "$JAVA_HOME" ] ; then 72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 73 | # IBM's JDK on AIX uses strange locations for the executables 74 | JAVACMD="$JAVA_HOME/jre/sh/java" 75 | else 76 | JAVACMD="$JAVA_HOME/bin/java" 77 | fi 78 | if [ ! -x "$JAVACMD" ] ; then 79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 80 | 81 | Please set the JAVA_HOME variable in your environment to match the 82 | location of your Java installation." 83 | fi 84 | else 85 | JAVACMD="java" 86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 87 | 88 | Please set the JAVA_HOME variable in your environment to match the 89 | location of your Java installation." 90 | fi 91 | 92 | # Increase the maximum file descriptors if we can. 93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 94 | MAX_FD_LIMIT=`ulimit -H -n` 95 | if [ $? -eq 0 ] ; then 96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 97 | MAX_FD="$MAX_FD_LIMIT" 98 | fi 99 | ulimit -n $MAX_FD 100 | if [ $? -ne 0 ] ; then 101 | warn "Could not set maximum file descriptor limit: $MAX_FD" 102 | fi 103 | else 104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 105 | fi 106 | fi 107 | 108 | # For Darwin, add options to specify how the application appears in the dock 109 | if $darwin; then 110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 111 | fi 112 | 113 | # For Cygwin, switch paths to Windows format before running java 114 | if $cygwin ; then 115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 158 | function splitJvmOpts() { 159 | JVM_OPTS=("$@") 160 | } 161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 163 | 164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 165 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /src/main/java/Application.java: -------------------------------------------------------------------------------- 1 | import pl.org.sbolimowski.async.api.AsyncResource; 2 | import org.glassfish.jersey.server.ResourceConfig; 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.EnableAutoConfiguration; 5 | import org.springframework.context.annotation.Bean; 6 | import org.springframework.context.annotation.ComponentScan; 7 | import org.springframework.context.annotation.Configuration; 8 | import org.springframework.core.task.TaskExecutor; 9 | import org.springframework.scheduling.annotation.EnableAsync; 10 | import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor; 11 | 12 | @Configuration 13 | @ComponentScan 14 | @EnableAutoConfiguration 15 | @EnableAsync 16 | public class Application extends ResourceConfig { 17 | 18 | public Application() { 19 | register(AsyncResource.class); 20 | } 21 | 22 | @Bean 23 | public TaskExecutor asyncTaskExecutor() { 24 | ThreadPoolTaskExecutor pool = new ThreadPoolTaskExecutor(); 25 | pool.setCorePoolSize(4); 26 | pool.setThreadGroupName("asyncExecutor"); 27 | return pool; 28 | } 29 | 30 | public static void main(String[] args) { 31 | SpringApplication.run(Application.class, args); 32 | } 33 | 34 | } -------------------------------------------------------------------------------- /src/main/java/pl/org/sbolimowski/async/api/AsyncResource.java: -------------------------------------------------------------------------------- 1 | package pl.org.sbolimowski.async.api; 2 | 3 | import org.springframework.core.task.TaskExecutor; 4 | import pl.org.sbolimowski.async.core.FacebookService; 5 | import pl.org.sbolimowski.async.model.GitHubRepo; 6 | import pl.org.sbolimowski.async.utils.Futures; 7 | import pl.org.sbolimowski.async.core.GitHubService; 8 | import pl.org.sbolimowski.async.model.FacebookUser; 9 | import pl.org.sbolimowski.async.model.GitHubContributor; 10 | import pl.org.sbolimowski.async.model.GitHubUser; 11 | import pl.org.sbolimowski.async.model.UserInfo; 12 | 13 | import javax.inject.Inject; 14 | import javax.ws.rs.GET; 15 | import javax.ws.rs.Path; 16 | import javax.ws.rs.PathParam; 17 | import javax.ws.rs.Produces; 18 | import javax.ws.rs.container.AsyncResponse; 19 | import javax.ws.rs.container.Suspended; 20 | import javax.ws.rs.core.MediaType; 21 | import javax.ws.rs.core.Response; 22 | import java.util.List; 23 | import java.util.concurrent.CompletableFuture; 24 | import java.util.concurrent.TimeUnit; 25 | import java.util.stream.Collectors; 26 | import java.util.stream.Stream; 27 | 28 | import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR; 29 | import static javax.ws.rs.core.Response.Status.SERVICE_UNAVAILABLE; 30 | 31 | @Path("/") 32 | public class AsyncResource { 33 | 34 | @Inject 35 | private FacebookService facebookService; 36 | 37 | @Inject 38 | private GitHubService gitHubService; 39 | 40 | @Inject 41 | private TaskExecutor executor; 42 | 43 | @GET 44 | @Path("/userInfo/{user}") 45 | @Produces(MediaType.APPLICATION_JSON) 46 | public void userInfoAsync(@Suspended AsyncResponse asyncResponse, @PathParam("user") String user) { 47 | CompletableFuture gitHubFuture = Futures.toCompletable(gitHubService.userAsync(user), executor); 48 | CompletableFuture facebookFuture = Futures.toCompletable(facebookService.getUserAsync(user), executor); 49 | 50 | gitHubFuture 51 | .thenCombine( 52 | facebookFuture, (g, f) -> new UserInfo(f, g)) 53 | .thenApply( 54 | info -> asyncResponse.resume(info)) 55 | .exceptionally( 56 | e -> asyncResponse.resume(Response.status(INTERNAL_SERVER_ERROR).entity(e).build())); 57 | 58 | asyncResponse.setTimeout(1000, TimeUnit.MILLISECONDS); 59 | asyncResponse.setTimeoutHandler( 60 | ar -> ar.resume(Response.status(SERVICE_UNAVAILABLE).entity("Operation timed out").build())); 61 | 62 | } 63 | 64 | @GET 65 | @Path("/contributors/{user}") 66 | @Produces(MediaType.APPLICATION_JSON) 67 | public void contributorsAsync(@Suspended AsyncResponse asyncResponse, @PathParam("user") String user) { 68 | Futures.toCompletable(gitHubService.reposAsync(user), executor) 69 | .thenCompose( 70 | repos -> getContributors(user, repos)) 71 | .thenApply( 72 | contributors -> contributors.flatMap(list -> list.stream())) 73 | .thenApply( 74 | contributors -> contributors.collect(Collectors.groupingBy( 75 | c -> c.getLogin(), 76 | Collectors.counting()))) 77 | .thenApply( 78 | contributors -> asyncResponse.resume(contributors)) 79 | .exceptionally( 80 | e -> asyncResponse.resume(Response.status(INTERNAL_SERVER_ERROR).entity(e).build()) 81 | ); 82 | } 83 | 84 | private CompletableFuture>> getContributors(String user, List repos) { 85 | return Futures.sequence( 86 | repos.stream().limit(5).map(r -> Futures.toCompletable(gitHubService.contributorsAsync(user, r.getName()), executor))); 87 | } 88 | 89 | } 90 | -------------------------------------------------------------------------------- /src/main/java/pl/org/sbolimowski/async/core/FacebookService.java: -------------------------------------------------------------------------------- 1 | package pl.org.sbolimowski.async.core; 2 | 3 | import org.springframework.stereotype.Component; 4 | import pl.org.sbolimowski.async.model.FacebookUser; 5 | 6 | import javax.ws.rs.client.ClientBuilder; 7 | import javax.ws.rs.client.WebTarget; 8 | import java.util.concurrent.Future; 9 | 10 | @Component 11 | public class FacebookService { 12 | 13 | private final WebTarget target = ClientBuilder.newClient() 14 | .target("http://graph.facebook.com/"); 15 | 16 | public Future getUserAsync(String user) { 17 | return target 18 | .path("/{user}") 19 | .resolveTemplate("user", user) 20 | .request().async() 21 | .get(FacebookUser.class); 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /src/main/java/pl/org/sbolimowski/async/core/GitHubService.java: -------------------------------------------------------------------------------- 1 | package pl.org.sbolimowski.async.core; 2 | 3 | import org.springframework.stereotype.Service; 4 | import pl.org.sbolimowski.async.model.GitHubContributor; 5 | import pl.org.sbolimowski.async.model.GitHubRepo; 6 | import pl.org.sbolimowski.async.model.GitHubUser; 7 | 8 | import javax.ws.rs.client.ClientBuilder; 9 | import javax.ws.rs.client.WebTarget; 10 | import javax.ws.rs.core.GenericType; 11 | import javax.ws.rs.core.MediaType; 12 | import java.util.List; 13 | import java.util.concurrent.Future; 14 | 15 | @Service 16 | public class GitHubService { 17 | 18 | private final WebTarget target = ClientBuilder.newClient().target("https://api.github.com/"); 19 | 20 | public Future userAsync(String user) { 21 | return target 22 | .path("/users/{user}") 23 | .resolveTemplate("user", user) 24 | .request(MediaType.APPLICATION_JSON_TYPE) 25 | .async() 26 | .get(GitHubUser.class); 27 | } 28 | 29 | public Future> reposAsync(String user) { 30 | return target 31 | .path("users/{user}/repos") 32 | .resolveTemplate("user", user) 33 | .request(MediaType.APPLICATION_JSON_TYPE) 34 | .async() 35 | .get(new GenericType>() { }); 36 | } 37 | 38 | public Future> contributorsAsync(String owner, String repo) { 39 | return target 40 | .path("/repos/{owner}/{repo}/contributors") 41 | .resolveTemplate("owner", owner) 42 | .resolveTemplate("repo", repo) 43 | .request(MediaType.APPLICATION_JSON_TYPE) 44 | .async() 45 | .get(new GenericType>() { }); 46 | } 47 | } 48 | -------------------------------------------------------------------------------- /src/main/java/pl/org/sbolimowski/async/model/FacebookUser.java: -------------------------------------------------------------------------------- 1 | package pl.org.sbolimowski.async.model; 2 | 3 | import com.fasterxml.jackson.annotation.JsonCreator; 4 | import com.fasterxml.jackson.annotation.JsonIgnoreProperties; 5 | import com.fasterxml.jackson.annotation.JsonProperty; 6 | 7 | @JsonIgnoreProperties(ignoreUnknown=true) 8 | public class FacebookUser { 9 | private final String name; 10 | private final String username; 11 | private final String locale; 12 | 13 | @JsonCreator 14 | public FacebookUser(@JsonProperty("name") String name, 15 | @JsonProperty("username") String username, 16 | @JsonProperty("locale") String locale) { 17 | this.name = name; 18 | this.username = username; 19 | this.locale = locale; 20 | } 21 | 22 | public String getName() { 23 | return name; 24 | } 25 | 26 | public String getUsername() { 27 | return username; 28 | } 29 | 30 | public String getLocale() { 31 | return locale; 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /src/main/java/pl/org/sbolimowski/async/model/GitHubContributor.java: -------------------------------------------------------------------------------- 1 | package pl.org.sbolimowski.async.model; 2 | 3 | import com.fasterxml.jackson.annotation.JsonIgnoreProperties; 4 | import com.fasterxml.jackson.annotation.JsonProperty; 5 | 6 | @JsonIgnoreProperties(ignoreUnknown=true) 7 | public class GitHubContributor { 8 | private final long id; 9 | private final String login; 10 | 11 | public GitHubContributor(@JsonProperty("id") long id, 12 | @JsonProperty("login") String login) { 13 | this.id = id; 14 | this.login = login; 15 | } 16 | 17 | public long getId() { 18 | return id; 19 | } 20 | 21 | public String getLogin() { 22 | return login; 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /src/main/java/pl/org/sbolimowski/async/model/GitHubRepo.java: -------------------------------------------------------------------------------- 1 | package pl.org.sbolimowski.async.model; 2 | 3 | 4 | import com.fasterxml.jackson.annotation.JsonIgnoreProperties; 5 | import com.fasterxml.jackson.annotation.JsonProperty; 6 | 7 | @JsonIgnoreProperties(ignoreUnknown=true) 8 | public class GitHubRepo { 9 | private final long id; 10 | private final String name; 11 | private final int size; 12 | private final int watchers; 13 | private final int forks; 14 | 15 | public GitHubRepo(@JsonProperty("id") long id, 16 | @JsonProperty("name") String name, 17 | @JsonProperty("size") int size, 18 | @JsonProperty("watchers") int watchers, 19 | @JsonProperty("forks") int forks) { 20 | this.id = id; 21 | this.name = name; 22 | this.size = size; 23 | this.watchers = watchers; 24 | this.forks = forks; 25 | } 26 | 27 | public long getId() { 28 | return id; 29 | } 30 | 31 | public String getName() { 32 | return name; 33 | } 34 | 35 | public int getSize() { 36 | return size; 37 | } 38 | 39 | public int getWatchers() { 40 | return watchers; 41 | } 42 | 43 | public int getForks() { 44 | return forks; 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /src/main/java/pl/org/sbolimowski/async/model/GitHubUser.java: -------------------------------------------------------------------------------- 1 | package pl.org.sbolimowski.async.model; 2 | 3 | import com.fasterxml.jackson.annotation.JsonCreator; 4 | import com.fasterxml.jackson.annotation.JsonIgnoreProperties; 5 | import com.fasterxml.jackson.annotation.JsonProperty; 6 | 7 | @JsonIgnoreProperties(ignoreUnknown=true) 8 | public class GitHubUser { 9 | private final String login; 10 | private final String type; 11 | private final String name; 12 | @JsonCreator 13 | public GitHubUser(@JsonProperty("login") String login, 14 | @JsonProperty("type") String type, 15 | @JsonProperty("name") String name) { 16 | this.login = login; 17 | this.type = type; 18 | this.name = name; 19 | } 20 | 21 | public String getLogin() { 22 | return login; 23 | } 24 | 25 | public String getType() { 26 | return type; 27 | } 28 | 29 | public String getName() { 30 | return name; 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /src/main/java/pl/org/sbolimowski/async/model/UserInfo.java: -------------------------------------------------------------------------------- 1 | package pl.org.sbolimowski.async.model; 2 | 3 | public class UserInfo { 4 | private final GitHubUser gitHubUser; 5 | private final FacebookUser facebookUser; 6 | 7 | public UserInfo(FacebookUser facebookUser, GitHubUser gitHubUser) { 8 | this.gitHubUser = gitHubUser; 9 | this.facebookUser = facebookUser; 10 | } 11 | 12 | public GitHubUser getGitHubUser() { 13 | return gitHubUser; 14 | } 15 | 16 | public FacebookUser getFacebookUser() { 17 | return facebookUser; 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /src/main/java/pl/org/sbolimowski/async/utils/Futures.java: -------------------------------------------------------------------------------- 1 | package pl.org.sbolimowski.async.utils; 2 | 3 | import java.util.List; 4 | import java.util.concurrent.CompletableFuture; 5 | import java.util.concurrent.ExecutionException; 6 | import java.util.concurrent.Executor; 7 | import java.util.concurrent.Future; 8 | import java.util.stream.Collectors; 9 | import java.util.stream.Stream; 10 | 11 | public class Futures { 12 | 13 | public static CompletableFuture toCompletable(Future future, Executor executor) { 14 | return CompletableFuture.supplyAsync(() -> { 15 | try { 16 | return future.get(); 17 | } catch (InterruptedException | ExecutionException e) { 18 | throw new RuntimeException(e); 19 | } 20 | }, executor); 21 | } 22 | 23 | public static CompletableFuture> sequence(Stream> futures) { 24 | List> futureList = futures.filter(f -> f != null).collect(Collectors.toList()); 25 | CompletableFuture allDoneFuture = 26 | CompletableFuture.allOf(futureList.toArray(new CompletableFuture[futureList.size()])); 27 | return allDoneFuture.thenApply(v -> 28 | futureList.stream().map(future -> future.join()) 29 | ); 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /src/main/resources/logback.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | %date %level %logger{10} %msg%n 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | --------------------------------------------------------------------------------