Java Action類代碼示例

import org.jbpm.graph.def.Action; //導入依賴的package包/類
public void readActions(Element eventElement, GraphElement graphElement, String eventType) {
  // for all the elements in the event element
  Iterator nodeElementIter = eventElement.elementIterator();
  while (nodeElementIter.hasNext()) {
    Element actionElement = (Element) nodeElementIter.next();
    String actionName = actionElement.getName();
    if (ActionTypes.hasActionName(actionName)) {
      Action action = createAction(actionElement);
      if ( (graphElement!=null)
           && (eventType!=null)
         ) {
        // add the action to the event
        addAction(graphElement, eventType, action);
      }
    }
  }
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
protected void readExceptionHandler(Element exceptionHandlerElement, GraphElement graphElement) {
  // create the exception handler
  ExceptionHandler exceptionHandler = new ExceptionHandler();
  exceptionHandler.setExceptionClassName(exceptionHandlerElement.attributeValue("exception-class"));
  // add it to the graph element
  graphElement.addExceptionHandler(exceptionHandler);

  // read the actions in the body of the exception-handler element
  Iterator iter = exceptionHandlerElement.elementIterator();
  while (iter.hasNext()) {
    Element childElement = (Element) iter.next();
    if (ActionTypes.hasActionName(childElement.getName())) {
      Action action = createAction(childElement);
      exceptionHandler.addAction(action);
    }
  }
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
public Object execute(JbpmContext jbpmContext) throws Exception {
	Action action = null;
	TaskInstance ti = null;
	ProcessInstance pi = null;
	if (isTaskInstance) {
		ti = jbpmContext.getTaskInstance(id);
		action = ti.getTaskMgmtInstance().getProcessInstance().getProcessDefinition().getAction(actionName);
	} else {
		pi = jbpmContext.getProcessInstance(id);
		action = pi.getProcessDefinition().getAction(actionName);
	}
	if (!goBack) {
		if (isTaskInstance) {
			ExecutionContext ec = new ExecutionContext(ti.getToken());
			ec.setTaskInstance(ti);
			ti.getTask().executeAction(action, ec);
		} else {
			pi.getProcessDefinition().executeAction(
					action,
					new ExecutionContext(pi.getRootToken()));
		}
	} else {
		executeGoBack(action, new ExecutionContext(pi.getRootToken()));
	}
	return null;
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
public void executeGoBack(Action action, ExecutionContext context) throws Exception {
	if (action != null && action.getActionDelegation() != null) {
		ClassLoader surroundingClassLoader = Thread.currentThread().getContextClassLoader();
		try {
			Thread.currentThread().setContextClassLoader(JbpmConfiguration.getProcessClassLoader(context.getProcessDefinition()));
			Object actionHandler = action.getActionDelegation().getInstance();
			if (actionHandler instanceof AccioExternaRetrocedirHandler) {
				((AccioExternaRetrocedirHandler)actionHandler).retrocedir(context, params);
			}/* else if (actionHandler instanceof HeliumActionHandler) {
				HeliumApi heliumApi = new HeliumApiImpl(context);
				((HeliumActionHandler)actionHandler).retrocedir(heliumApi, params);
			}*/
		} finally {
			Thread.currentThread().setContextClassLoader(surroundingClassLoader);
		}
	}
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
public ProcessDefinitionInfo(
		long id, 
		String name, 
		String description, 
		int version, 
		boolean isTerminationImplicit,
		Node startState, 
		List<Node> nodes, 
		Map<String, Action> actions) {
	super();
	this.id = id;
	this.name = name;
	this.description = description;
	this.version = version;
	this.isTerminationImplicit = isTerminationImplicit;
	this.startState = startState;
	this.nodes = nodes;
	this.actions = actions;
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
public NodeInfo(
		long id, 
		String name, 
		String description, 
		ProcessDefinition processDefinition,
		List<Transition> leavingTransitions, 
		Set<Transition> arrivingTransitions, 
		Action action,
		boolean isAsync, 
		boolean isAsyncExclusive) {
	super();
	this.id = id;
	this.name = name;
	this.description = description;
	this.processDefinition = processDefinition;
	this.leavingTransitions = leavingTransitions;
	this.arrivingTransitions = arrivingTransitions;
	this.action = action;
	this.isAsync = isAsync;
	this.isAsyncExclusive = isAsyncExclusive;
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
public TimerInfo(long id, int version, Date dueDate, ProcessInstance processInstance, Token token,
		TaskInstance taskInstance, boolean isSuspended, boolean isExclusive, String lockOwner, Date lockTime,
		String exception, int retries, String configuration, String name, String repeat, String transitionName,
		Action action) {
	super();
	this.id = id;
	this.version = version;
	this.dueDate = dueDate;
	this.processInstance = processInstance;
	this.token = token;
	this.taskInstance = taskInstance;
	this.isSuspended = isSuspended;
	this.isExclusive = isExclusive;
	this.lockOwner = lockOwner;
	this.lockTime = lockTime;
	this.exception = exception;
	this.retries = retries;
	this.configuration = configuration;
	this.name = name;
	this.repeat = repeat;
	this.transitionName = transitionName;
	this.action = action;
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
protected List<Action> findReferencingDelegatingActions(Long processDefinitionId) {
	Query query = session.createQuery(
			  " select a "
			  + " from org.jbpm.graph.def.Action a, "
			  + "      org.jbpm.instantiation.Delegation d "
			  + "where d.processDefinition.id = :processDefinitionId "
			  + "  and a.actionDelegation.id = d.id");
	query.setLong("processDefinitionId", processDefinitionId);
	return (List<Action>)query.list();
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
protected List<ActionLog> findReferencedActionLogs(List<Action> accions) {
	Query query = session.createQuery(
			  " select al "
			  + " from org.jbpm.graph.log.ActionLog al "
			  + "where al.action in (:accions)");
	query.setParameterList("accions", accions);
	return (List<ActionLog>)query.list();
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
public Action readSingleAction(Element nodeElement) {
  Action action = null;
  // search for the first action element in the node
  Iterator iter = nodeElement.elementIterator();
  while (iter.hasNext() && (action==null)) {
    Element candidate = (Element) iter.next();
    if (ActionTypes.hasActionName(candidate.getName())) {
      // parse the action and assign it to this node
      action = createAction(candidate);
    }
  }
  return action;
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
public void readAction(Element element, Action action) {
  // if a name is specified for this action
  String actionName = element.attributeValue("name");
  if (actionName!=null) {
    action.setName(actionName);
    // add the action to the named process action repository 
    processDefinition.addAction(action);
  }

  // if the action is parsable 
  // (meaning: if the action has special configuration to parse, other then the common node data)
  action.read(element, this);
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
public void resolveActionReferences() {
  Iterator iter = unresolvedActionReferences.iterator();
  while (iter.hasNext()) {
    Object[] unresolvedActionReference = (Object[]) iter.next();
    Element actionElement = (Element) unresolvedActionReference[0];
    Action action = (Action) unresolvedActionReference[1];
    String referencedActionName = actionElement.attributeValue("ref-name");
    Action referencedAction = processDefinition.getAction(referencedActionName);
    if (referencedAction==null) {
      addWarning("couldn't resolve action reference in "+actionElement.asXML());
    }
    action.setReferencedAction(referencedAction);
  }
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
private Action findReplacementAction(ProcessDefinition newDef, Action oldAction) {
	Action newAction = null;
	
	if (oldAction.getName() != null) {
		newAction = newDef.getAction(oldAction.getName());
	}
	
	if (newAction == null) {
		throw new JbpmException("Action '" + oldAction.getName() + "' not found in new process definition");
	}
	return newAction;
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
public static ActionInfo toActionInfo(Action action) {
	if (action == null)
		return null;
	
	return new ActionInfo(
			action.getId(),
			action.getName(),
			action.isPropagationAllowed(),
			action.isAsync(),
			action.isAsyncExclusive(),
			action.getActionExpression(),
			action.getProcessDefinition());
}
 

import org.jbpm.graph.def.Action; //導入依賴的package包/類
public Map<String, ActionInfo> getActions() {
	Map<String, ActionInfo> actionsInfo = new HashMap<String, ActionInfo>();
	for (Entry<String, Action> entry: actions.entrySet()) {
		actionsInfo.put(entry.getKey(), ConversioTipusInfoHelper.toActionInfo(entry.getValue()));
	}
	return actionsInfo;
}