public String DelegateAssignment(DelegationImpl delegation, ExecutionContextImpl executionContext)
{
String actorId = null;
try
{
IAssignmentHandler assigner = (IAssignmentHandler)delegation.GetDelegate();
executionContext.SetConfiguration(ParseConfiguration(delegation));
actorId = assigner.SelectActor(executionContext);
}
catch (Exception t)
{
HandleException(delegation, executionContext, t);
}
return(actorId);
}
/// <summary>分配， 按照当前任务的参与者插入工单</summary>
/// <param name="currentSession"></param>
/// <param name="processInstance"></param>
/// <param name="runtimeContext"></param>
/// <param name="taskInstance"></param>
/// <param name="formTask"></param>
/// <param name="part"></param>
/// <param name="dynamicAssignmentHandler"></param>
protected void assign(IWorkflowSession currentSession, IProcessInstance processInstance, RuntimeContext runtimeContext, ITaskInstance taskInstance, FormTask formTask, Participant part, DynamicAssignmentHandler dynamicAssignmentHandler)// throws EngineException, KernelException
{
//如果有指定的Actor，则按照指定的Actor分配任务
if (dynamicAssignmentHandler != null)
{
dynamicAssignmentHandler.assign((IAssignable)taskInstance, part.Name);
}
else
{
IPersistenceService persistenceService = runtimeContext.PersistenceService;
List <ITaskInstance> taskInstanceList = persistenceService.FindTaskInstancesForProcessInstance(taskInstance.ProcessInstanceId, taskInstance.ActivityId);
ITaskInstance theLastCompletedTaskInstance = null;
for (int i = 0; taskInstanceList != null && i < taskInstanceList.Count; i++)
{
ITaskInstance tmp = (ITaskInstance)taskInstanceList[i];
if (tmp.Id.Equals(taskInstance.Id))
{
continue;
}
if (!tmp.TaskId.Equals(taskInstance.TaskId))
{
continue;
}
if (tmp.State != TaskInstanceStateEnum.COMPLETED)
{
continue;
}
if (theLastCompletedTaskInstance == null)
{
theLastCompletedTaskInstance = tmp;
}
else
{
if (theLastCompletedTaskInstance.StepNumber < tmp.StepNumber)
{
theLastCompletedTaskInstance = tmp;
}
}
}
//如果是循环且LoopStrategy==REDO，则分配个上次完成该工作的操作员
if (theLastCompletedTaskInstance != null && (LoopStrategyEnum.REDO == formTask.LoopStrategy || currentSession.isInWithdrawOrRejectOperation()))
{
List <IWorkItem> workItemList = persistenceService.FindCompletedWorkItemsForTaskInstance(theLastCompletedTaskInstance.Id);
ITaskInstanceManager taskInstanceMgr = runtimeContext.TaskInstanceManager;
for (int k = 0; k < workItemList.Count; k++)
{
IWorkItem completedWorkItem = (IWorkItem)workItemList[k];
IWorkItem newFromWorkItem = taskInstanceMgr.createWorkItem(currentSession, processInstance, taskInstance, completedWorkItem.ActorId);
newFromWorkItem.claim();//并自动签收
}
}
else
{
IBeanFactory beanFactory = runtimeContext.BeanFactory;
//从spring中获取到对应任务的Performer，创建工单
//201004 add lwz 参与者通过业务接口实现默认获取用户
switch (part.AssignmentType)
{
case AssignmentTypeEnum.Current:
runtimeContext.AssignmentBusinessHandler.assignCurrent(
currentSession, processInstance, (IAssignable)taskInstance);
break;
case AssignmentTypeEnum.Role:
runtimeContext.AssignmentBusinessHandler.assignRole(
currentSession, processInstance, (IAssignable)taskInstance, part.PerformerValue);
break;
case AssignmentTypeEnum.Agency:
runtimeContext.AssignmentBusinessHandler.assignAgency(
currentSession, processInstance, (IAssignable)taskInstance, part.PerformerValue);
break;
case AssignmentTypeEnum.Fixed:
runtimeContext.AssignmentBusinessHandler.assignFixed(
currentSession, processInstance, (IAssignable)taskInstance, part.PerformerValue);
break;
case AssignmentTypeEnum.Superiors:
runtimeContext.AssignmentBusinessHandler.assignSuperiors(
currentSession, processInstance, (IAssignable)taskInstance);
break;
default:
IAssignmentHandler assignmentHandler = (IAssignmentHandler)beanFactory.GetBean(part.AssignmentHandler);
//modified by wangmj 20090904
((IAssignmentHandler)assignmentHandler).assign((IAssignable)taskInstance, part.PerformerValue);
break;
}
}
}
}
