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如果我们像给任务配置监听，按照常规的做法是这样的
一个个配置，比较麻烦。
现在利用ActivitiEventListener，监听全局事件，并且可以判断不同的事件类型，进而执行不同的业务逻辑。
用接口来定义统一约定
public interface EventHandler {
void handle(ActivitiEvent event);
}
任务结束事件
*/
public class TaskCompleteListener implements EventHandler {
protected Logger logger = LoggerFactory.getLogger(getClass());
@Override
public void handle(ActivitiEvent event) {
ActivitiEntityEventImpl eventImpl = (ActivitiEntityEventImpl) event;
TaskEntity taskEntity = (TaskEntity) eventImpl.getEntity();
}
}
任务创建事件
public class TaskCreateListener implements EventHandler {
protected Logger logger = LoggerFactory.getLogger(getClass());
@Override
public void handle(ActivitiEvent event) {
ActivitiEntityEventImpl eventImpl = (ActivitiEntityEventImpl) event;
TaskEntity taskEntity = (TaskEntity) eventImpl.getEntity();
}
}
还有很多事件，比如TASK_ASSIGNED，PROCESS_STARTED，PROCESS_COMPLETED
public class GlobalEventListener implements ActivitiEventListener {
protected Logger logger = LoggerFactory.getLogger(getClass());
/**
* 各类 Event 的处理器
*/
private Map<ActivitiEventType, EventHandler> handlers = new HashMap<ActivitiEventType, EventHandler>();
@Override
public void onEvent(ActivitiEvent event) {
EventHandler eventHandler = handlers.get(event.getType());
if(eventHandler!=null){
eventHandler.handle(event);
}
}
@Override
public boolean isFailOnException() {
return false;
}
public Map<ActivitiEventType, EventHandler> getHandlers() {
return handlers;
}
public void setHandlers(Map<ActivitiEventType, EventHandler> handlers) {
this.handlers = handlers;
}
}
<bean id="processEngineConfiguration" class="org.activiti.spring.SpringProcessEngineConfiguration">
<property name="dataSource" ref="dataSource"/>
<property name="transactionManager" ref="transactionManager"/>
<property name="databaseSchemaUpdate" value="true"/>
<property name="jobExecutorActivate" value="false"/>
<property name="history" value="full"/>
<property name="processDefinitionCacheLimit" value="10"/>
<!-- 生成流程图的字体 -->
<property name="activityFontName" value="宋体"/>
<property name="labelFontName" value="宋体"/>
<property name="annotationFontName" value="宋体"/>
<!-- 自动部署 -->
<property name="deploymentResources">
<list>
<value>classpath*:*</value>
</list>
</property>
<!-- <property name="idGenerator" ref="idGenerator"/>-->
<property name="eventListeners">
<list>
<ref bean="globalEventListener"/>
</list>
</property>
<property name="customFormTypes">
<bean class="org.activiti.engine.impl.form.DateFormType">
<constructor-arg value="yyyy-MM-dd HH:mm:ss"/>
</bean>
</property>
</bean>
<bean id="processEngine" class="org.activiti.spring.ProcessEngineFactoryBean">
<property name="processEngineConfiguration" ref="processEngineConfiguration"/>
</bean>
<bean id="repositoryService" factory-bean="processEngine" factory-method="getRepositoryService"/>
<bean id="runtimeService" factory-bean="processEngine" factory-method="getRuntimeService"/>
<bean id="formService" factory-bean="processEngine" factory-method="getFormService"/>
<bean id="identityService" factory-bean="processEngine" factory-method="getIdentityService"/>
<bean id="taskService" factory-bean="processEngine" factory-method="getTaskService"/>
<bean id="historyService" factory-bean="processEngine" factory-method="getHistoryService"/>
<bean id="managementService" factory-bean="processEngine" factory-method="getManagementService"/>
<!--流程全局事件处理器-->
<bean id="globalEventListener" class="GlobalEventListener">
<property name="handlers">
<map>
<entry key="TASK_CREATED">
<bean class="TaskCreateListener"/>
</entry>
<entry key="TASK_COMPLETED">
<bean class="TaskCompleteListener"
