public ITaskInstance createTaskInstance(IWorkflowSession currentSession, RuntimeContext runtimeContxt, IProcessInstance processInstance, Task task, Activity activity)
{
LoanTaskInstance taskInstance = new LoanTaskInstance();
taskInstance.Sn=(String)processInstance.getProcessInstanceVariable("sn");
taskInstance.ApplicantName=(String)processInstance.getProcessInstanceVariable("applicantName");
taskInstance.LoanValue=(int)processInstance.getProcessInstanceVariable("loanValue");
taskInstance.RiskFlag=(Boolean)processInstance.getProcessInstanceVariable("RiskFlag");
taskInstance.Decision=(Boolean)processInstance.getProcessInstanceVariable("Decision");
return taskInstance;
}
public ITaskInstance createTaskInstance(IWorkflowSession currentSession,
RuntimeContext runtimeContxt, IProcessInstance processInstance,
Task task, Activity activity)
{
GoodsDeliverTaskInstance taskInst = new GoodsDeliverTaskInstance();
String sn = (String)processInstance.getProcessInstanceVariable("sn");
taskInst.Sn = sn;
String customerName = (String)processInstance.getProcessInstanceVariable("customerName");
taskInst.CustomerName = customerName;
String goodsName = (String)processInstance.getProcessInstanceVariable("goodsName");
taskInst.GoodsName = goodsName;
long quantity = (long)processInstance.getProcessInstanceVariable("quantity");
taskInst.Quantity = quantity;
//taskInst.BizInfo=
return taskInst;
}
// throws EngineException
public ITaskInstance createTaskInstance(IWorkflowSession currentSession, RuntimeContext runtimeContxt,
IProcessInstance processInstance, Task task, Activity activity)
{
TaskInstance taskInstance = new TaskInstance();
return taskInstance;
}
// throws EngineException
public ITaskInstance createTaskInstance(IWorkflowSession currentSession, IProcessInstance processInstance, Task task,
Activity activity)
{
//如果loopStrategy为SKIP且Task被执行过，则直接返回null;
IPersistenceService persistenceService = this.RuntimeContext.PersistenceService;
LoopStrategyEnum loopStrategy = task.LoopStrategy;
if (LoopStrategyEnum.SKIP == loopStrategy && !currentSession.isInWithdrawOrRejectOperation())
{
//检查是否已经执行过的task instance
Int32 count = persistenceService.GetCompletedTaskInstanceCountForTask(processInstance.Id, task.Id);
if (count > 0)
{
return null;
}
}
String taskInstanceCreatorName = null;
ITaskInstanceCreator taskInstanceCreator = null;
//首先查找Task级别的TaskInstanceCreator
taskInstanceCreatorName = task.TaskInstanceCreator;
if (!String.IsNullOrEmpty(taskInstanceCreatorName.Trim()))
{
IBeanFactory beanFactory = this.RuntimeContext.BeanFactory;
taskInstanceCreator = (ITaskInstanceCreator)beanFactory.GetBean(taskInstanceCreatorName);
}
//如果没有，则查询流程级别的TaskInstanceCreator
if (taskInstanceCreator == null)
{
taskInstanceCreatorName = processInstance.WorkflowProcess.TaskInstanceCreator;
if (!String.IsNullOrEmpty(taskInstanceCreatorName.Trim()))
{
IBeanFactory beanFactory = this.RuntimeContext.BeanFactory;
taskInstanceCreator = (ITaskInstanceCreator)beanFactory.GetBean(taskInstanceCreatorName);
}
}
//如果流程定义中也没有指定TaskInstanceCreator,则用缺省的
if (taskInstanceCreator == null)
{
taskInstanceCreator = DefaultTaskInstanceCreator;
}
return taskInstanceCreator.createTaskInstance(currentSession, RuntimeContext, processInstance, task, activity);
}
private XElement writeActivity(Activity activity)
{
if (activity == null) { return null; }
XElement activityElement = new XElement(
xN + ACTIVITY,
new XAttribute(ID, activity.Id),
new XAttribute(NAME, activity.Name),
new XAttribute(DISPLAY_NAME, activity.DisplayName),
new XAttribute(COMPLETION_STRATEGY, activity.CompletionStrategy.ToString()),
new XElement(xN + DESCRIPTION, activity.Description),
writeEventListeners(activity.EventListeners),
writeExtendedAttributes(activity.ExtendedAttributes),
writeTasks(activity.InlineTasks),
writeTaskRefs(activity.TaskRefs)
);
return activityElement;
}
