How to use

Action

in

org.jbpm.graph.def

 @Override
 void process() throws Exception
 {
   initProcessAndTask(context);
   action.execute(context);
 }
}.run();

public void read(Element element, JpdlXmlReader jpdlReader) {
 Delegation delegation = jpdlReader.readMailDelegation(element);
 this.action = new Action(delegation);
}

private void writeAction(Element parentElement, Action action) {
 String actionName = ActionTypes.getActionName(action.getClass());
 Element actionElement = parentElement.addElement(actionName);
 if (action.getName() != null) {
  actionElement.addAttribute("name", action.getName());
 }
 if (!action.acceptsPropagatedEvents()) {
  actionElement.addAttribute("accept-propagated-events", "false");
 }
 action.write(actionElement);
}

public boolean equals(Object o) {
 if (this == o) return true;
 if (!(o instanceof Action)) return false;
 Action other = (Action) o;
 if (id != 0 && id == other.getId()) return true;
 if (name != null) {
  // named actions are unique at the process definition level
  return name.equals(other.getName())
   && processDefinition.equals(other.getProcessDefinition());
 }
 return (actionDelegation != null ? actionDelegation.equals(other.getActionDelegation())
   : actionExpression != null ? actionExpression.equals(other.getActionExpression())
     : referencedAction != null ? referencedAction.equals(other.getActionExpression())
       : false)
  && event.equals(other.getEvent());
}

private List getNamedProcessActions(Map actions) {
 List namedProcessActions = new ArrayList();
 for (Iterator iter = actions.values().iterator(); iter.hasNext();) {
  Action action = (Action) iter.next();
  if (action.getEvent() == null && action.getName() != null) {
   namedProcessActions.add(action);
  }
 }
 return namedProcessActions;
}

Action action = new Action(delegation);
action.setProcessDefinition(processDefinition);
action.setName(task.getName());

public boolean execute(JbpmContext jbpmContext) throws Exception {
 Token token = getToken();
 ExecutionContext executionContext = new ExecutionContext(token);
 executionContext.setAction(action);
 executionContext.setEvent(action.getEvent());
 Node node;
 if (token != null && (node = token.getNode()) != null) {
  node.executeAction(action, executionContext);
 }
 else {
  action.execute(executionContext);
 }
 return true;
}

private void executeActions(List actions, ExecutionContext executionContext,
 boolean isPropagated) {
 if (actions == null) return;
 for (Iterator iter = actions.iterator(); iter.hasNext();) {
  Action action = (Action) iter.next();
  if (!action.acceptsPropagatedEvents() && isPropagated) continue;
  if (action.isAsync()) {
   ExecuteActionJob job = createAsyncActionExecutionJob(executionContext.getToken(),
    action);
   MessageService messageService = executionContext.getJbpmContext()
    .getServices()
    .getMessageService();
   messageService.send(job);
  }
  else {
   executeAction(action, executionContext);
  }
 }
}

/**
 * creates a bidirectional relation between this process definition and the given action.
 * 
 * @throws IllegalArgumentException if action is null or if action.getName() is null.
 */
public Action addAction(Action action) {
 if (action == null) {
  throw new IllegalArgumentException("action is null");
 }
 if (action.getName() == null) {
  throw new IllegalArgumentException("action is unnamed");
 }
 if (actions == null) actions = new HashMap();
 actions.put(action.getName(), action);
 action.processDefinition = this;
 return action;
}

public void setAction(Action action) {
 this.action = action;
 if (action != null) this.event = action.getEvent();
}

public void saveJob(Job job) {
 try {
  session.save(job);
  if (job instanceof Timer) {
   Timer timer = (Timer) job;
   Action action = timer.getAction();
   // if action is transient, save it
   if (action != null && action.getId() == 0L) session.save(action);
  }
 }
 catch (HibernateException e) {
  throw new JbpmPersistenceException("could not save " + job, e);
 }
}

public boolean equals(Object o) {
 if (this == o) return true;
 if (!(o instanceof Action)) return false;
 Action other = (Action) o;
 if (id != 0 && id == other.getId()) return true;
 if (name != null) {
  // named actions are unique at the process definition level
  return name.equals(other.getName())
   && processDefinition.equals(other.getProcessDefinition());
 }
 return (actionDelegation != null ? actionDelegation.equals(other.getActionDelegation())
   : actionExpression != null ? actionExpression.equals(other.getActionExpression())
     : referencedAction != null ? referencedAction.equals(other.getReferencedAction())
       : false)
  && event.equals(other.getEvent());
}

Action action = new Action(delegation);
action.setProcessDefinition(processDefinition);
action.setName(task.getName());

public boolean execute(JbpmContext jbpmContext) throws Exception {
 Token token = getToken();
 ExecutionContext executionContext = new ExecutionContext(token);
 executionContext.setAction(action);
 executionContext.setEvent(action.getEvent());
 Node node;
 if (token != null && (node = token.getNode()) != null) {
  node.executeAction(action, executionContext);
 }
 else {
  action.execute(executionContext);
 }
 return true;
}

private List getNamedProcessActions(Map actions) {
 List namedProcessActions = new ArrayList();
 for (Iterator iter = actions.values().iterator(); iter.hasNext();) {
  Action action = (Action) iter.next();
  if (action.getEvent() == null && action.getName() != null) {
   namedProcessActions.add(action);
  }
 }
 return namedProcessActions;
}

private void executeActions(List actions, ExecutionContext executionContext,
 boolean isPropagated) {
 if (actions == null) return;
 for (Iterator iter = actions.iterator(); iter.hasNext();) {
  Action action = (Action) iter.next();
  if (!action.acceptsPropagatedEvents() && isPropagated) continue;
  if (action.isAsync()) {
   ExecuteActionJob job = createAsyncActionExecutionJob(executionContext.getToken(),
    action);
   MessageService messageService = executionContext.getJbpmContext()
    .getServices()
    .getMessageService();
   messageService.send(job);
  }
  else {
   executeAction(action, executionContext);
  }
 }
}

/**
 * creates a bidirectional relation between this process definition and the given action.
 * 
 * @throws IllegalArgumentException if action is null or if action.getName() is null.
 */
public Action addAction(Action action) {
 if (action == null) {
  throw new IllegalArgumentException("action is null");
 }
 if (action.getName() == null) {
  throw new IllegalArgumentException("action is unnamed");
 }
 if (actions == null) actions = new HashMap();
 actions.put(action.getName(), action);
 action.processDefinition = this;
 return action;
}

public void setAction(Action action) {
 this.action = action;
 if (action != null) this.event = action.getEvent();
}

public void saveJob(Job job) {
 try {
  session.save(job);
  if (job instanceof Timer) {
   Timer timer = (Timer) job;
   Action action = timer.getAction();
   // if action is transient, save it
   if (action != null && action.getId() == 0L) 
    session.save(action);
  }
 }
 catch (HibernateException e) {
  throw new JbpmPersistenceException("could not save " + job, e);
 }
}

public void executeAction(final Action action, final ExecutionContext context) throws Exception
{
 if ( isPageflow(context) )
 {
   action.execute(context);
 }
 else
 {
   new ContextualCall()
   {
    @Override
    void process() throws Exception
    {
      initProcessAndTask(context);
      action.execute(context);
    }
   }.run();
 }
}