type;
21 | private ObjectMapper objectMapper;
22 | private EntityEvent entityEvent;
23 |
24 | public E getEventData() throws EventStoreException {
25 | try {
26 | return objectMapper.readValue(entityEvent.getEventData(), type);
27 | } catch (IOException e) {
28 | throw new EventStoreException(e.getMessage(), e);
29 | }
30 | }
31 | }
32 |
--------------------------------------------------------------------------------
/spec/schema/published-event.json:
--------------------------------------------------------------------------------
1 | {
2 | "$schema": "http://json-schema.org/draft-07/schema#",
3 | "$id": "https://github.com/kloiasoft/eventapis/blob/master/spec/schema/published-event.json",
4 | "title": "EventApis Published Event",
5 | "description": "EventApis Published Event Content Schema",
6 | "type": "object",
7 | "properties": {
8 | "sender": {
9 | "$ref": "https://github.com/kloiasoft/eventapis/blob/master/spec/schema/published-event.json"
10 | },
11 | "eventType": {
12 | "type": "string",
13 | "description": "State Change of the event for Operation",
14 | "enum": [
15 | "OP_SINGLE",
16 | "OP_START",
17 | "EVENT",
18 | "OP_SUCCESS",
19 | "OP_FAIL"
20 | ]
21 | },
22 | "eventName": {
23 | "type": "string",
24 | "description": "Name of the Event"
25 | }
26 | },
27 | "additionalProperties": true,
28 | "required": [
29 | "sender",
30 | "eventType",
31 | "eventName"
32 | ]
33 | }
--------------------------------------------------------------------------------
/samples/3-advanced/order-service/src/main/java/com/kloia/sample/client/PaymentClient.java:
--------------------------------------------------------------------------------
1 | package com.kloia.sample.client;
2 |
3 | import com.kloia.eventapis.common.EventKey;
4 | import com.kloia.sample.dto.command.ReturnPaymentCommandDto;
5 | import org.springframework.cloud.openfeign.FeignClient;
6 | import org.springframework.http.MediaType;
7 | import org.springframework.stereotype.Component;
8 | import org.springframework.web.bind.annotation.PathVariable;
9 | import org.springframework.web.bind.annotation.PostMapping;
10 | import org.springframework.web.bind.annotation.RequestBody;
11 |
12 | @Component
13 | @FeignClient(name = "paymentClient", url = "${payment-client-url}")
14 | public interface PaymentClient {
15 |
16 | @PostMapping(value = "/payment/{paymentId}/return", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
17 | EventKey returnPaymentCommand(@PathVariable("paymentId") String paymentId, @RequestBody ReturnPaymentCommandDto returnPaymentCommandDto);
18 |
19 | }
20 |
--------------------------------------------------------------------------------
/emon-lib/src/main/java/com/kloia/eventapis/api/emon/configuration/hazelcast/UserCodeDeploymentConfig.java:
--------------------------------------------------------------------------------
1 | package com.kloia.eventapis.api.emon.configuration.hazelcast;
2 |
3 | import com.hazelcast.config.Config;
4 | import com.kloia.eventapis.api.emon.configuration.HazelcastConfigurer;
5 | import lombok.Data;
6 | import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
7 | import org.springframework.boot.context.properties.ConfigurationProperties;
8 | import org.springframework.context.annotation.Configuration;
9 |
10 | @Data
11 | @Configuration
12 | @ConditionalOnProperty(value = "emon.hazelcast.user-code-deployment.enabled", havingValue = "true")
13 | @ConfigurationProperties(prefix = "emon.hazelcast.user-code-deployment")
14 | public class UserCodeDeploymentConfig extends com.hazelcast.config.UserCodeDeploymentConfig implements HazelcastConfigurer {
15 |
16 | @Override
17 | public Config configure(Config config) {
18 | config.setUserCodeDeploymentConfig(this);
19 | return config;
20 | }
21 | }
22 |
--------------------------------------------------------------------------------
/emon-lib/src/main/java/com/kloia/eventapis/api/emon/configuration/hazelcast/NetworkInterfacesConfig.java:
--------------------------------------------------------------------------------
1 | package com.kloia.eventapis.api.emon.configuration.hazelcast;
2 |
3 | import com.hazelcast.config.Config;
4 | import com.hazelcast.config.InterfacesConfig;
5 | import com.kloia.eventapis.api.emon.configuration.HazelcastConfigurer;
6 | import lombok.Data;
7 | import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
8 | import org.springframework.boot.context.properties.ConfigurationProperties;
9 | import org.springframework.context.annotation.Configuration;
10 |
11 | @Data
12 | @Configuration
13 | @ConditionalOnProperty(value = "emon.hazelcast.interfaces.enabled", havingValue = "true")
14 | @ConfigurationProperties(prefix = "emon.hazelcast.interfaces")
15 | public class NetworkInterfacesConfig extends InterfacesConfig implements HazelcastConfigurer {
16 |
17 | @Override
18 | public Config configure(Config config) {
19 | config.getNetworkConfig().setInterfaces(this);
20 | return config;
21 | }
22 | }
23 |
--------------------------------------------------------------------------------
/emon-vis/app/mixins/child.js:
--------------------------------------------------------------------------------
1 | import Ember from 'ember';
2 | import ContainerMixin from '../mixins/container';
3 |
4 | const {computed, assert} = Ember;
5 |
6 | // From https://github.com/miguelcobain/ember-leaflet/blob/master/addon/mixins/child.js
7 | export default Ember.Mixin.create({
8 |
9 | containerLayer: computed(function () {
10 | return this.nearestOfType(ContainerMixin);
11 | }),
12 |
13 | didInsertElement() {
14 | this._super(...arguments);
15 | this.registerWithParent();
16 | },
17 |
18 | willDestroyElement() {
19 | this._super(...arguments);
20 | this.unregisterWithParent();
21 | },
22 |
23 | registerWithParent() {
24 | let container = this.get('containerLayer');
25 | assert(`Tried to use ${this} outside the context of a container layer.`, container);
26 | container.registerChild(this);
27 | },
28 |
29 | unregisterWithParent() {
30 | let container = this.get('containerLayer');
31 | if (container) {
32 | container.unregisterChild(this);
33 | }
34 | }
35 |
36 | });
37 |
--------------------------------------------------------------------------------
/samples/2-basic/order-service/src/main/resources/application.yml:
--------------------------------------------------------------------------------
1 | eventapis:
2 | storeConfig:
3 | contactPoints: test-api:9042
4 | keyspaceName: test
5 | username: test_order
6 | password: qwe123
7 | eventRecords:
8 | order: orderevents
9 | eventBus:
10 | bootstrapServers: localhost:9092
11 | consumer:
12 | groupId: ${info.build.artifact}
13 |
14 | server:
15 | port: 8160
16 |
17 | spring:
18 | datasource:
19 | url: jdbc:oracle:thin:@test-api:1521:xe
20 | username: TEST_ORDER
21 | password: qwe123
22 | platform: ORACLE
23 | tomcat:
24 | validation-query-timeout: 1
25 | test-while-idle: true
26 | test-on-borrow: true
27 | test-on-return: true
28 | initial-size: 2
29 | min-idle: 1
30 | max-idle: 4
31 | max-active: 8
32 | max-wait: 3000
33 | min-evictable-idle-time-millis: 60000
34 | log-abondoned: true
35 | log-validation-errors: true
36 | jpa:
37 | hibernate:
38 | ddl-auto: create
39 | show-sql: true
40 |
41 |
--------------------------------------------------------------------------------
/samples/2-basic/stock-service/src/main/resources/application.yml:
--------------------------------------------------------------------------------
1 | eventapis:
2 | storeConfig:
3 | contactPoints: test-api:9042
4 | keyspaceName: test
5 | username: test_order
6 | password: qwe123
7 | eventRecords:
8 | stock: stockevents
9 | eventBus:
10 | bootstrapServers: localhost:9092
11 | consumer:
12 | groupId: ${info.build.artifact}
13 | spring:
14 | datasource:
15 | url: jdbc:oracle:thin:@test-api:1521:xe
16 | username: TEST_ORDER
17 | password: qwe123
18 | platform: ORACLE
19 | tomcat:
20 | validation-query-timeout: 1
21 | test-while-idle: true
22 | test-on-borrow: true
23 | test-on-return: true
24 | initial-size: 2
25 | min-idle: 1
26 | max-idle: 4
27 | max-active: 8
28 | max-wait: 3000
29 | min-evictable-idle-time-millis: 60000
30 | log-abondoned: true
31 | log-validation-errors: true
32 | jpa:
33 | hibernate:
34 | ddl-auto: update
35 | show-sql: true
36 |
37 | server:
38 | port: 8162
39 |
40 |
41 |
--------------------------------------------------------------------------------
/spec/schema/published-event-wrapper.json:
--------------------------------------------------------------------------------
1 | {
2 | "$schema": "http://json-schema.org/draft-07/schema#",
3 | "$id": "https://github.com/kloiasoft/eventapis/blob/master/spec/schema/published-event-wrapper.json",
4 | "title": "EventApis Published Event Wrapper",
5 | "description": "EventApis Published Event Wrapper Schema",
6 | "type": "object",
7 | "properties": {
8 | "event": {
9 | "type": "string",
10 | "description": "Encapsulated Published Event see event.json"
11 | },
12 | "context": {
13 | "$ref": "https://github.com/kloiasoft/eventapis/blob/master/spec/schema/context.json"
14 | },
15 | "sender": {
16 | "type": "string",
17 | "description": "Sender of Event - Service Name"
18 | },
19 | "opDate": {
20 | "type": "integer",
21 | "description": "Event Send Epoch"
22 | },
23 | "userContext": {
24 | "type": "object",
25 | "description": "User Context extension to carry with events",
26 | "additionalProperties": true
27 | }
28 | },
29 | "required": []
30 | }
--------------------------------------------------------------------------------
/emon-lib/src/main/java/com/kloia/eventapis/api/emon/domain/Partition.java:
--------------------------------------------------------------------------------
1 | package com.kloia.eventapis.api.emon.domain;
2 |
3 | import com.fasterxml.jackson.annotation.JsonInclude;
4 | import lombok.AllArgsConstructor;
5 | import lombok.Data;
6 | import lombok.NoArgsConstructor;
7 |
8 | import java.io.Serializable;
9 |
10 | @Data
11 | @AllArgsConstructor
12 | @NoArgsConstructor
13 | @JsonInclude(JsonInclude.Include.NON_NULL)
14 | public class Partition implements Serializable {
15 | private static final long serialVersionUID = -4771113118830062688L;
16 |
17 | private int number;
18 | private Long offset = 0L;
19 | private Long lag;
20 |
21 | public Partition(int number) {
22 | this.number = number;
23 | }
24 |
25 | public Partition(int number, Long offset) {
26 | this.number = number;
27 | this.offset = offset;
28 | }
29 |
30 | public void calculateLag(long endOffset) {
31 | if (endOffset > offset)
32 | lag = endOffset - offset;
33 | else lag = null;
34 | }
35 |
36 | }
37 |
--------------------------------------------------------------------------------
/emon-lib/src/main/java/com/kloia/eventapis/api/emon/configuration/hazelcast/MulticastConfig.java:
--------------------------------------------------------------------------------
1 | package com.kloia.eventapis.api.emon.configuration.hazelcast;
2 |
3 | import com.hazelcast.config.Config;
4 | import com.kloia.eventapis.api.emon.configuration.HazelcastConfigurer;
5 | import lombok.Data;
6 | import lombok.ToString;
7 | import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
8 | import org.springframework.boot.context.properties.ConfigurationProperties;
9 | import org.springframework.context.annotation.Configuration;
10 |
11 | @Data
12 | @Configuration
13 | @ConditionalOnProperty(value = "emon.hazelcast.discovery.type", havingValue = "multicast")
14 | @ConfigurationProperties(prefix = "emon.hazelcast.discovery.multicast")
15 | @ToString(callSuper = true)
16 | public class MulticastConfig extends com.hazelcast.config.MulticastConfig implements HazelcastConfigurer {
17 | @Override
18 | public Config configure(Config config) {
19 | config.getNetworkConfig().getJoin().setMulticastConfig(this);
20 | return config;
21 | }
22 | }
23 |
--------------------------------------------------------------------------------
/java-api/src/main/java/com/kloia/eventapis/api/RollbackSpec.java:
--------------------------------------------------------------------------------
1 | package com.kloia.eventapis.api;
2 |
3 | import com.google.common.reflect.TypeToken;
4 | import com.kloia.eventapis.common.RecordedEvent;
5 |
6 | import java.lang.reflect.ParameterizedType;
7 | import java.util.AbstractMap;
8 | import java.util.Map;
9 |
10 | /**
11 | * Created by zeldalozdemir on 21/02/2017.
12 | */
13 | public interface RollbackSpec {
14 | void rollback(P event);
15 |
16 | default Map.Entry> getNameAndClass() {
17 | ParameterizedType type = (ParameterizedType) TypeToken.of(this.getClass()).getSupertype(RollbackSpec.class).getType();
18 | try {
19 | Class publishedEventClass = (Class) Class.forName(type.getActualTypeArguments()[0].getTypeName());
20 | return new AbstractMap.SimpleEntry<>(publishedEventClass.getSimpleName(), publishedEventClass);
21 | } catch (ClassNotFoundException e) {
22 | throw new RuntimeException(e);
23 | }
24 | }
25 | }
--------------------------------------------------------------------------------
/samples/2-basic/payment-service/src/main/resources/application.yml:
--------------------------------------------------------------------------------
1 | eventapis:
2 | storeConfig:
3 | contactPoints: test-api:9042
4 | keyspaceName: test
5 | username: test_order
6 | password: qwe123
7 | eventRecords:
8 | payment: paymentevents
9 | eventBus:
10 | bootstrapServers: localhost:9092
11 | # clientId: ${project.artifactId}
12 | consumer:
13 | groupId: ${info.build.artifact}
14 |
15 | spring:
16 | datasource:
17 | url: jdbc:oracle:thin:@test-api:1521:xe
18 | username: TEST_ORDER
19 | password: qwe123
20 | platform: ORACLE
21 | tomcat:
22 | validation-query-timeout: 1
23 | test-while-idle: true
24 | test-on-borrow: true
25 | test-on-return: true
26 | initial-size: 2
27 | min-idle: 1
28 | max-idle: 4
29 | max-active: 8
30 | max-wait: 3000
31 | min-evictable-idle-time-millis: 60000
32 | log-abondoned: true
33 | log-validation-errors: true
34 | jpa:
35 | hibernate:
36 | ddl-auto: create
37 | show-sql: true
38 |
39 | server:
40 | port: 8164
41 |
42 |
43 |
--------------------------------------------------------------------------------
/samples/3-advanced/order-service/src/main/java/com/kloia/sample/model/Orders.java:
--------------------------------------------------------------------------------
1 | package com.kloia.sample.model;
2 |
3 | import com.kloia.eventapis.spring.model.JpaEntity;
4 | import lombok.AllArgsConstructor;
5 | import lombok.Getter;
6 | import lombok.NoArgsConstructor;
7 | import lombok.Setter;
8 |
9 | import javax.persistence.EnumType;
10 | import javax.persistence.Enumerated;
11 |
12 | /**
13 | * Created by zeldalozdemir on 17/02/2017.
14 | */
15 | @Getter
16 | @Setter
17 | @AllArgsConstructor
18 | @NoArgsConstructor
19 | @javax.persistence.Entity(name = "ORDERS")
20 | public class Orders extends JpaEntity {
21 |
22 | @Enumerated(EnumType.STRING)
23 | private OrderState state;
24 |
25 | private long price;
26 |
27 | private String stockId;
28 |
29 | private int reservedStockVersion;
30 |
31 | private int orderAmount;
32 |
33 | private String paymentAddress;
34 |
35 | private float amount;
36 |
37 | private String cardInformation;
38 |
39 | private String paymentId;
40 |
41 | private String address;
42 |
43 | private String description;
44 | }
45 |
--------------------------------------------------------------------------------
/emon-lib/src/main/java/com/kloia/eventapis/api/emon/domain/NoneHandled.java:
--------------------------------------------------------------------------------
1 | package com.kloia.eventapis.api.emon.domain;
2 |
3 | import com.fasterxml.jackson.annotation.JsonInclude;
4 | import com.fasterxml.jackson.annotation.JsonTypeName;
5 | import com.kloia.eventapis.pojos.TransactionState;
6 | import lombok.Data;
7 |
8 | @Data
9 | @JsonTypeName("none")
10 | @JsonInclude(JsonInclude.Include.NON_NULL)
11 | public class NoneHandled implements IHandledEvent {
12 |
13 | private OperationEvent operation;
14 | private boolean finishedAsLeaf = false;
15 |
16 | NoneHandled() {
17 | }
18 |
19 | @Override
20 | public boolean isFinished() {
21 | if (operation != null)
22 | return operation.getTransactionState() == TransactionState.TXN_FAILED;
23 | else return finishedAsLeaf;
24 | }
25 |
26 | @Override
27 | public boolean attachOperation(OperationEvent operationToAttach) {
28 | return false;
29 | }
30 |
31 | @Override
32 | public void setOperation(OperationEvent operation) {
33 | this.operation = operation;
34 | }
35 | }
36 |
37 |
--------------------------------------------------------------------------------
/emon-vis/ember-cli-build.js:
--------------------------------------------------------------------------------
1 | /* eslint-env node */
2 | 'use strict';
3 |
4 | const EmberApp = require('ember-cli/lib/broccoli/ember-app');
5 |
6 | module.exports = function (defaults) {
7 | let app = new EmberApp(defaults, {
8 | 'ember-bootstrap': {
9 | 'bootstrapVersion': 4,
10 | 'importBootstrapFont': false,
11 | 'importBootstrapCSS': false
12 | }
13 | });
14 |
15 | // Use `app.import` to add additional libraries to the generated
16 | // output files.
17 | //
18 | // If you need to use different assets in different
19 | // environments, specify an object as the first parameter. That
20 | // object's keys should be the environment name and the values
21 | // should be the asset to use in that environment.
22 | //
23 | // If the library that you are including contains AMD or ES6
24 | // modules that you would like to import into your application
25 | // please specify an object with the list of modules as keys
26 | // along with the exports of each module as its value.
27 | app.import('node_modules/vis/dist/vis.js');
28 |
29 |
30 | return app.toTree();
31 | };
32 |
--------------------------------------------------------------------------------
/spring-integration/src/main/java/com/kloia/eventapis/spring/configuration/AggregateListenerService.java:
--------------------------------------------------------------------------------
1 | package com.kloia.eventapis.spring.configuration;
2 |
3 | import com.kloia.eventapis.exception.EventStoreException;
4 | import com.kloia.eventapis.pojos.Operation;
5 | import com.kloia.eventapis.view.AggregateListener;
6 | import lombok.extern.slf4j.Slf4j;
7 | import org.apache.kafka.clients.consumer.ConsumerRecord;
8 | import org.springframework.beans.factory.annotation.Autowired;
9 | import org.springframework.stereotype.Service;
10 | import org.springframework.transaction.annotation.Transactional;
11 |
12 | import java.util.List;
13 |
14 | @Service
15 | @Slf4j
16 | public class AggregateListenerService {
17 | @Autowired(required = false)
18 | List aggregateListeners;
19 |
20 |
21 | @Transactional(rollbackFor = Exception.class)
22 | public void listenOperations(ConsumerRecord record) throws EventStoreException {
23 | for (AggregateListener snapshotRecorder : aggregateListeners) {
24 | snapshotRecorder.listenOperations(record);
25 | }
26 | }
27 | }
28 |
--------------------------------------------------------------------------------
/emon-vis/tests/index.html:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 |
6 | EmonVis Tests
7 |
8 |
9 |
10 | {{content-for "head"}}
11 | {{content-for "test-head"}}
12 |
13 |
14 |
15 |
16 |
17 | {{content-for "head-footer"}}
18 | {{content-for "test-head-footer"}}
19 |
20 |
21 | {{content-for "body"}}
22 | {{content-for "test-body"}}
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 | {{content-for "body-footer"}}
31 | {{content-for "test-body-footer"}}
32 |
33 |
34 |
--------------------------------------------------------------------------------
/spec/schema/context.json:
--------------------------------------------------------------------------------
1 | {
2 | "$schema": "http://json-schema.org/draft-07/schema#",
3 | "$id": "https://github.com/kloiasoft/eventapis/blob/master/spec/schema/context.json",
4 | "title": "EventApis Event Context",
5 | "description": "EventApis Event Context Schema",
6 | "type": "object",
7 | "properties": {
8 | "opId": {
9 | "type": "string",
10 | "description": "Operation Id initially given while invoking command"
11 | },
12 | "parentOpId": {
13 | "type": "string",
14 | "description": "Parent Operation Id for nested invocations"
15 | },
16 | "commandContext": {
17 | "type": "string",
18 | "description": "Name of Initial Command"
19 | },
20 | "commandTimeout": {
21 | "type": "integer",
22 | "description": "Timeout in Milliseconds, After this timeout Operation will be assumed as finalized"
23 | },
24 | "startTime": {
25 | "type": "integer",
26 | "description": "Reference starting time of Operation"
27 | }
28 | },
29 | "required": [
30 | "opId",
31 | "commandContext",
32 | "commandTimeout",
33 | "startTime"
34 | ]
35 | }
--------------------------------------------------------------------------------
/emon-vis/app/components/visjs-edge.js:
--------------------------------------------------------------------------------
1 | import Ember from 'ember';
2 | import VisJsChild from '../components/visjs-child';
3 |
4 | export default VisJsChild.extend({
5 | type: 'edge',
6 |
7 | /**
8 | * @public
9 | *
10 | * Node-ID for the starting-point of this edge.
11 | * @type {String}
12 | */
13 | from: '',
14 |
15 | /**
16 | * @public
17 | *
18 | * Node-ID for the target-point of this edge.
19 | * @type {String}
20 | */
21 | to: '',
22 |
23 | eId: Ember.computed('from', 'to', function () {
24 | return `${this.get('from')}-${this.get('to')}`;
25 | }),
26 |
27 | arrowChanged: Ember.observer('arrows', function () {
28 | let container = this.get('containerLayer');
29 | container.updateEdgeArrow(this.get('eId'), this.get('arrows'));
30 | }),
31 |
32 | /**
33 | * @public
34 | *
35 | * If set this displays a label under/in the node, depending on
36 | * whether an image is shown or not.
37 | * @type {String}
38 | */
39 | label: undefined,
40 |
41 | labelChanged: Ember.observer('label', function () {
42 | let container = this.get('containerLayer');
43 | container.updateEdgeLabel(this.get('eId'), this.get('label'));
44 | }),
45 |
46 | });
47 |
--------------------------------------------------------------------------------
/emon-lib/src/main/java/com/kloia/eventapis/api/emon/domain/OperationEvents.java:
--------------------------------------------------------------------------------
1 | package com.kloia.eventapis.api.emon.domain;
2 |
3 | import com.fasterxml.jackson.annotation.JsonFormat;
4 | import com.fasterxml.jackson.annotation.JsonIgnore;
5 | import com.fasterxml.jackson.annotation.JsonProperty;
6 | import com.kloia.eventapis.pojos.TransactionState;
7 | import lombok.AllArgsConstructor;
8 | import lombok.Data;
9 | import lombok.NoArgsConstructor;
10 |
11 | import java.util.ArrayList;
12 | import java.util.List;
13 | import java.util.Map;
14 |
15 | @Data
16 | @AllArgsConstructor
17 | @NoArgsConstructor
18 | @JsonFormat(shape = JsonFormat.Shape.OBJECT)
19 | public class OperationEvents {
20 |
21 | private static final long serialVersionUID = -2419694872838243026L;
22 |
23 | @JsonProperty
24 | private TransactionState transactionState = TransactionState.RUNNING;
25 |
26 | @JsonProperty
27 | private boolean finished;
28 |
29 | @JsonProperty
30 | private List spanningServices = new ArrayList<>();
31 |
32 |
33 | @JsonIgnore
34 | private Map userContext;
35 |
36 | public OperationEvents(Map userContext) {
37 | this.userContext = userContext;
38 | }
39 | }
40 |
--------------------------------------------------------------------------------
/java-api/src/main/java/com/kloia/eventapis/pojos/Operation.java:
--------------------------------------------------------------------------------
1 | package com.kloia.eventapis.pojos;
2 |
3 | import com.kloia.eventapis.common.Context;
4 | import lombok.AllArgsConstructor;
5 | import lombok.Data;
6 | import lombok.NoArgsConstructor;
7 | import lombok.ToString;
8 |
9 | import java.io.Serializable;
10 | import java.util.Map;
11 |
12 | /**
13 | * Created by zeldalozdemir on 25/01/2017.
14 | */
15 | @Data
16 | @ToString(exclude = "userContext")
17 | @AllArgsConstructor
18 | @NoArgsConstructor
19 | public class Operation implements Serializable {
20 | public static final String OPERATION_EVENTS = "operation-events";
21 | private static final long serialVersionUID = -2003849346218727591L;
22 |
23 | private TransactionState transactionState;
24 | private String aggregateId;
25 | private String sender;
26 | private String parentId; // alias for as context.getParentOpId()
27 | private Context context;
28 | private long opDate;
29 | private Map userContext;
30 |
31 | /**
32 | * Backward compatible.
33 | *
34 | * @return
35 | */
36 | public String getParentId() {
37 | return parentId != null ? parentId : (context != null ? context.getParentOpId() : null);
38 | }
39 | }
40 |
--------------------------------------------------------------------------------
/emon-lib/src/main/java/com/kloia/eventapis/api/emon/domain/OperationEvent.java:
--------------------------------------------------------------------------------
1 | package com.kloia.eventapis.api.emon.domain;
2 |
3 | import com.kloia.eventapis.common.Context;
4 | import com.kloia.eventapis.pojos.Operation;
5 | import com.kloia.eventapis.pojos.TransactionState;
6 | import lombok.AllArgsConstructor;
7 | import lombok.Data;
8 | import lombok.NoArgsConstructor;
9 |
10 | import java.io.Serializable;
11 |
12 | /**
13 | * Created by zeldalozdemir on 25/01/2017.
14 | */
15 | @Data
16 | @AllArgsConstructor
17 | @NoArgsConstructor
18 | public class OperationEvent implements Serializable {
19 |
20 |
21 | private static final long serialVersionUID = 3269757297830153667L;
22 | private TransactionState transactionState;
23 | private String aggregateId;
24 | private String sender;
25 | private long opDate;
26 | private Context context;
27 |
28 | public OperationEvent(Operation operation) {
29 | this.transactionState = operation.getTransactionState();
30 | this.aggregateId = operation.getAggregateId();
31 | this.sender = operation.getSender();
32 | this.context = operation.getContext();
33 | this.opDate = operation.getOpDate() != 0L ? operation.getOpDate() : System.currentTimeMillis();
34 | }
35 | }
36 |
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/spec/spec-1.0.md:
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1 | service: Microservices in general, 2 types in general. BPM: Service
2 | command-service: Handler for Command/Events. (BPM Process)
3 | query-service: Query and Snapshot Handler. (BPM Process, Listener)
4 |
5 | event: Events Sourcing. fired by command-service, can be listened my zero or more command-service
6 | OP_EVENT: Ordinary Event
7 | TX_FAIL: Failure events
8 | TX_SUCCESS: Successful events
9 | OP_SINGLE: OP_EVENT+TX_SUCCESS together
10 |
11 | Snapshot:
12 | status: NOT_STARTED/IN_PROGRESS/DONE/ERROR
13 |
14 | ```
15 | Operation
16 | id: operation-id (transaction-id -> uuid)
17 | handler-name: (command-service) (BPM Process)
18 | service-name:
19 | events:
20 | Event1:
21 | listeners:
22 | EventListener1: (command-service) (BPM Process)
23 | EventListener2: (command-service) (BPM Process)
24 | ...
25 | Event2:
26 | listeners:
27 | EventListener3: (command-service) (BPM Process)
28 | Event3:
29 | ...
30 | Event4:
31 | ...
32 | ...
33 |
34 | ```
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/samples/3-advanced/docker/docker-compose.yml:
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1 | version: "3.3"
2 |
3 | services:
4 | postgres:
5 | image: postgres
6 | container_name: postgresdb
7 | ports:
8 | - "5432:5432"
9 | environment:
10 | - POSTGRES_DB=postgres
11 | - POSTGRES_USER=postgres
12 | - POSTGRES_PASSWORD=postgres
13 | networks:
14 | - postgres
15 | zookeeper:
16 | image: wurstmeister/zookeeper
17 | ports:
18 | - "2181:2181"
19 | environment:
20 | - KAFKA_ADVERTISED_HOST_NAME=zookeeper
21 | kafka:
22 | image: wurstmeister/kafka
23 | ports:
24 | - "9092:9092"
25 | environment:
26 | - KAFKA_ADVERTISED_PORT=9092
27 | - KAFKA_ADVERTISED_HOST_NAME=127.0.0.1
28 | - KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181
29 | - KAFKA_AUTO_CREATE_TOPICS_ENABLE=true
30 | links:
31 | - zookeeper
32 | cassandra:
33 | image: 'bitnami/cassandra:3'
34 | ports:
35 | - '7000:7000'
36 | - '9042:9042'
37 | volumes:
38 | - 'cassandra_data:/bitnami'
39 | environment:
40 | - CASSANDRA_SEEDS=cassandra
41 | - CASSANDRA_PASSWORD_SEEDER=yes
42 | - CASSANDRA_PASSWORD=cassandra
43 | volumes:
44 | cassandra_data:
45 | driver: local
46 | networks:
47 | postgres:
48 | driver: bridge
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/java-api/src/main/java/com/kloia/eventapis/pojos/Event.java:
--------------------------------------------------------------------------------
1 | package com.kloia.eventapis.pojos;
2 |
3 | import lombok.AllArgsConstructor;
4 | import lombok.Data;
5 | import lombok.NoArgsConstructor;
6 |
7 | import java.io.Externalizable;
8 | import java.io.IOException;
9 | import java.io.ObjectInput;
10 | import java.io.ObjectOutput;
11 | import java.util.UUID;
12 |
13 | /**
14 | * Created by zeldalozdemir on 26/01/2017.
15 | */
16 | @Data
17 | @AllArgsConstructor
18 | @NoArgsConstructor
19 | public class Event implements Externalizable, Cloneable {
20 | private UUID eventId;
21 | private IEventType eventType;
22 | private EventState eventState;
23 | private String[] params;
24 |
25 | public void writeExternal(ObjectOutput out) throws IOException {
26 | out.writeUTF(eventId.toString());
27 | out.writeUTF(eventState.name());
28 | }
29 |
30 | public void readExternal(ObjectInput in) throws IOException {
31 | eventId = UUID.fromString(in.readUTF());
32 | eventState = EventState.valueOf(EventState.class, in.readUTF());
33 |
34 | }
35 |
36 | @Override
37 | public Object clone() {
38 | try {
39 | return super.clone();
40 | } catch (CloneNotSupportedException e) {
41 | throw new RuntimeException(e);
42 | }
43 | }
44 | }
45 |
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/emon-vis/app/templates/topology.hbs:
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1 | {{outlet}}
2 |
3 |
4 |
5 |
6 | {{input type="text" value=opId class="form-control"}}
7 |
8 | {{#if hasMessage}}
9 |
{{{model.statusMessage}}}
10 | {{/if}}
11 |
12 |
13 |
Latest Operations
14 | {{#each operation.latestOperations.operations as |operation|}}
15 |
16 | {{#link-to "topology" operation.opId preventDefault=false}}
17 | {{operation.initiatorCommand}}@{{operation.initiatorService}}/{{operation.opId}}
18 | {{/link-to}}
19 |
20 | {{/each}}
21 |
22 |
23 |
24 |
25 |
26 |
27 | {{#visjs-network}}
28 | {{#each model.nodes as |x|}}
29 | {{visjs-node nId=x.nId label=x.label color=x.color shape=x.shape}}
30 | {{/each}}
31 | {{#each model.edges as |x|}}
32 | {{visjs-edge from=x.from to=x.to label=x.label arrows='to'}}
33 | {{/each}}
34 | {{/visjs-network}}
35 |
36 |
37 |