[jboss-user] [jBPM] - how to use localtaskservice
yayu zhu
do-not-reply at jboss.com
Mon Apr 29 05:10:45 EDT 2013
yayu zhu [https://community.jboss.org/people/a_alter] created the document:
"how to use localtaskservice"
To view the document, visit: https://community.jboss.org/docs/DOC-48631
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i have a question about local taskservice.
will auto create human task info that in process to database when i start a process?
Whether you can use jpa transaction manager?
In my test, i use jpa transaction.
Local Process session
*local task server*
*
*
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd">
<bean id="systemEventListener" class="org.drools.SystemEventListenerFactory" factory-method="getSystemEventListener" />
<bean id="internalTaskService" class="org.jbpm.task.service.TaskService">
<property name="systemEventListener" ref="systemEventListener" />
</bean>
<bean id="htTxManager" class="org.drools.container.spring.beans.persistence.HumanTaskSpringTransactionManager">
<constructor-arg ref="transactionManagerTask" />
</bean>
<bean id="springTaskSessionFactory" class="org.jbpm.task.service.persistence.TaskSessionSpringFactoryImpl" init-method="initialize"
depends-on="internalTaskService">
<property name="entityManagerFactory" ref="taskEmf" />
<property name="transactionManager" ref="htTxManager" />
<property name="useJTA" value="false" />
<property name="taskService" ref="internalTaskService" />
</bean>
<bean id="taskService" class="org.jbpm.task.service.local.LocalTaskService" depends-on="springTaskSessionFactory">
<constructor-arg ref="internalTaskService" />
</bean>
</beans>
Unit Test
@Test
public void testHumanTask() {
Map<String, Object> map = new HashMap<String, Object>();
map.put("employee", "a_alter");
LocalHTWorkItemHandler humanTaskHandler = new LocalHTWorkItemHandler(service, session);
humanTaskHandler.connect();
session.getWorkItemManager().registerWorkItemHandler("Human Task", humanTaskHandler);
session.startProcess("com.sample.evaluation", map);
}
i find in startProcess, the human task will open a single session and ltaskservicesession addtask will not commit immidate, but the entitymanagerholder is shared.
at the last it will excute DroolsSpringTransactionManager commit; but the the session about humantask will not commit;
why? I must need use JTA?
==============================
there is another question, I'm not find how to working about Humantask' workitemhandler.
where i can find it?
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