private void ProcessContext_BeforeMoveTo(WfMoveToEventArgs eventArgs)
{
OnBeforeMoveTo(this._DataContext, eventArgs);
}
private void ProcessContext_AfterMoveTo(WfMoveToEventArgs eventArgs)
{
OnAfterMoveTo(this._DataContext, eventArgs);
}
protected virtual void OnAfterMoveTo(WfExecutorDataContext dataContext, WfMoveToEventArgs eventArgs)
{
if (AfterMoveTo != null)
AfterMoveTo(dataContext, eventArgs);
}
protected virtual void OnBeforeMoveTo(WfExecutorDataContext dataContext, WfMoveToEventArgs eventArgs)
{
if (BeforeMoveTo != null)
BeforeMoveTo(dataContext, eventArgs);
}
internal void FireAfterMoveTo(WfMoveToEventArgs eventArgs)
{
if (this.AfterMoveTo != null)
this.AfterMoveTo(eventArgs);
}
internal void FireBeforeMoveTo(WfMoveToEventArgs eventArgs)
{
if (this.BeforeMoveTo != null)
this.BeforeMoveTo(eventArgs);
}
private IWfActivity InternalMoveTo(WfTransferParams transferParams)
{
WfProcessActionContext actionContext = WfRuntime.ProcessContext;
WfProcessActionContextState state = actionContext.SaveDifferentProcessInfo(this);
try
{
actionContext.ResetContextByProcess(this);
WfActivityBase nextActivity = GetNextActivityFromTransferParams(transferParams);
AdjustTransferParamsFromTemplates(nextActivity.Descriptor, transferParams);
this.Status = WfProcessStatus.Running;
nextActivity.StartTime = DateTime.Now;
nextActivity.FromTransitionDescriptor = transferParams.FromTransitionDescriptor;
//Set Original Activity Status
if (this.CurrentActivity != null)
{
this.ApplicationRuntimeParameters["PreviousActivityID"] = this.CurrentActivity.ID;
this.ApplicationRuntimeParameters["PreviousActivityName"] = GetActivityName(this.CurrentActivity);
((WfActivityBase)this.CurrentActivity).ToTransitionDescriptor = transferParams.FromTransitionDescriptor;
ExecuteOriginalActivityActionsAndSetStatus(this.CurrentActivity, transferParams.Operator);
}
this.ApplicationRuntimeParameters["CurrentActivityID"] = nextActivity.ID;
this.ApplicationRuntimeParameters["CurrentActivityName"] = GetActivityName(nextActivity);
if (transferParams.FromTransitionDescriptor != null)
this.ApplicationRuntimeParameters["CurrentTransitionName"] = GetTransitionName(transferParams.FromTransitionDescriptor);
else
this.ApplicationRuntimeParameters["CurrentTransitionName"] = string.Empty;
WfMoveToEventArgs movetoEventArgs = new WfMoveToEventArgs(this.CurrentActivity, nextActivity, transferParams);
actionContext.FireBeforeMoveTo(movetoEventArgs);
//Set CurrentActivity to Next Activity
this.CurrentActivity = nextActivity;
actionContext.ResetContextByProcess(this);
//是否进入到维护状态
if (IfIntoMaintainingStatus(nextActivity) == false)
{
//设置下一个节点的状态，包括启动分支流程、启动同类型的串行子流程
this.ExecuteNextActivityActionsAndSetStatus(nextActivity, transferParams);
}
//设置流程结束返回状态
if (transferParams.FromTransitionDescriptor != null)
if (transferParams.FromTransitionDescriptor.AffectProcessReturnValue)
this.Descriptor.DefaultReturnValue = transferParams.FromTransitionDescriptor.AffectedProcessReturnValue;
this.ApplicationRuntimeParameters["CurrentProcessReturnValue"] = this.Descriptor.DefaultReturnValue;
//自动生成每一个点候选人
if (this.Descriptor.AutoGenerateResourceUsers)
this.GenerateCandidatesFromResources();
actionContext.FireAfterMoveTo(movetoEventArgs);
WfRuntime.ProcessContext.AffectedProcesses.AddOrReplace(this);
WfSimulator.WriteSimulationInfo(this, WfSimulationOperationType.MoveTo);
actionContext.ResetContextByProcess(this);
return nextActivity;
}
finally
{
actionContext.RestoreSavedProcessInfo(state);
}
}
