public void run()
{
if (this.State != ProcessInstanceEnum.INITIALIZED)
{
throw new EngineException(this.Id,
this.WorkflowProcess,
this.ProcessId, "The state of the process instance is " + this.State + ",can not run it ");
}
INetInstance netInstance = (INetInstance)this.RuntimeContext.KernelManager.getNetInstance(this.ProcessId, this.Version);
if (netInstance == null)
{
throw new EngineException(this.Id,
this.WorkflowProcess,
this.ProcessId, "The net instance for the workflow process [Id=" + this.ProcessId + "] is Not found");
}
//触发事件
ProcessInstanceEvent pevent = new ProcessInstanceEvent();
pevent.EventType = ProcessInstanceEventEnum.BEFORE_PROCESS_INSTANCE_RUN;
pevent.Source=this;
this.fireProcessInstanceEvent(pevent);
this.State=ProcessInstanceEnum.RUNNING;
this.StartedTime=this.RuntimeContext.CalendarService.getSysDate();
this.RuntimeContext.PersistenceService.SaveOrUpdateProcessInstance(this);
netInstance.run(this);
}
/// <summary>触发process instance相关的事件</summary>
/// <param name="e"></param>
protected void fireProcessInstanceEvent(ProcessInstanceEvent e)
{
WorkflowProcess workflowProcess = this.WorkflowProcess;
if (workflowProcess == null)
{
return;
}
List<EventListener> listeners = workflowProcess.EventListeners;
for (int i = 0; i < listeners.Count; i++)
{
EventListener listener = (EventListener)listeners[i];
Object obj = this.RuntimeContext.getBeanByName(listener.ClassName);
if (obj != null)
{
((IProcessInstanceEventListener)obj).onProcessInstanceEventFired(e);
}
}
}
/// <summary>
/// <para>正常结束工作流</para>
/// <para>1、首先检查有无活动的token,如果有则直接返回，如果没有则结束当前流程</para>
/// <para>2、执行结束流程的操作，将state的值设置为结束状态</para>
/// 3、然后检查parentTaskInstanceId是否为null，如果不为null则，调用父taskinstance的complete操作。
/// </summary>
public void complete()
{
List<IToken> tokens = this.RuntimeContext.PersistenceService.FindTokensForProcessInstance(this.Id, null);
Boolean canBeCompleted = true;
for (int i = 0; tokens != null && i < tokens.Count; i++)
{
IToken token = tokens[i];
if (token.IsAlive)
{
canBeCompleted = false;
break;
}
}
if (!canBeCompleted)
{
return;
}
this.State=ProcessInstanceEnum.COMPLETED;
//记录结束时间
this.EndTime=this.RuntimeContext.CalendarService.getSysDate();
this.RuntimeContext.PersistenceService.SaveOrUpdateProcessInstance(this);
//删除所有的token
for (int i = 0; tokens != null && i < tokens.Count; i++)
{
IToken token = tokens[i];
this.RuntimeContext.PersistenceService.DeleteToken(token);
}
//触发事件
ProcessInstanceEvent pevent = new ProcessInstanceEvent();
pevent.EventType=ProcessInstanceEventEnum.AFTER_PROCESS_INSTANCE_COMPLETE;
pevent.Source=this;
this.fireProcessInstanceEvent(pevent);
if ( !String.IsNullOrEmpty(this.ParentTaskInstanceId.Trim()))
{
ITaskInstance taskInstance = this.RuntimeContext.PersistenceService.FindAliveTaskInstanceById(this.ParentTaskInstanceId);
((IRuntimeContextAware)taskInstance).RuntimeContext=this.RuntimeContext;
((IWorkflowSessionAware)taskInstance).CurrentWorkflowSession = this.CurrentWorkflowSession;
((TaskInstance)taskInstance).complete(null);
}
}