[jboss-user] [JBoss jBPM] - Re: HowTo: Use JBPM4 API (on JBoss 5)

[JimDwyer]

You need to built a little java class with a method like this:  

public void startWorkflow(){
try{
InitialContext ctx = new InitialContext();
ProcessEngine processEngine = 
(ProcessEngine)ctx.lookup("java:/ProcessEngine");

// ProcessEngine and Services are to be used as 
singletons.  (ie they are threadsafe)
RepositoryService repositoryService = 
processEngine.getRepositoryService();
ExecutionService executionService = 
processEngine.getExecutionService();
TaskService taskService = processEngine.getTaskService();
HistoryService historyService = 
processEngine.getHistoryService();
ManagementService managementService = 
processEngine.getManagementService();

   
ProcessInstance processInstance = 
executionService.startProcessInstanceByKey("AsyncActivity");
System.out.println("ProcessId: " + 
processInstance.getId());

}catch (NamingException ne){
System.out.println(ne);
}



Then call that from a jsp or something.  

 <%jsp useBean id="bean" class="org.someco.Test" scope="session" />
 <% bean.startWorkflow(); %>

Package the class and jsp into a war, deploy the war on the jboss.  

That should do it.

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[jboss-user] [JBoss jBPM] - Re: HowTo: Use JBPM4 API (on JBoss 5)

[djcye]

But the 

"new InitialContext().lookup("java:/ProcessEngine")"

Have to take place inside the JBoss right ? Has somone an example for this ?

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[jboss-user] [JBoss jBPM] - Re: HowTo: Use JBPM4 API (on JBoss 5)

[jbarrez]

Exactly. If you use the demo setup provided by the distribution, you can use 
the ProcessEngine which is bound to JNDI. You can adapt the database 
configuration in the jbpm folder (under deploy) for your database.

Another solution is just to use jBPM as a standalone Jar, and creating a 
process engine using new Configuration().buildProcessEngine(). You can store 
this object in a static field for example (it's thread-safe).

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[jboss-user] [JBoss jBPM] - Re: HowTo: Use JBPM4 API (on JBoss 5)

[JimDwyer]

>From the usersguide, section 2.6

In JBoss, the ProcessEngine can be obtained from JNDI with
 
new InitialContext().lookup("java:/ProcessEngine")

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[jboss-user] [JBoss jBPM] - Re: HowTo: Use JBPM4 API (on JBoss 5)

[JimDwyer]

I was wondering the same thing myself.  Do I use JNDI, @EJB?  How does it work 
now?

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