protected override void OnModifyWorkflow(WfExecutorDataContext dataContext)
{
IWfProcess process = WfRuntime.StartWorkflow(StartupParams);
if (this.OperatorActivity == null)
{
this.OperatorActivity = process.CurrentActivity;
}
if (this.AutoMoveTo)
{
if (this.TransferParams == null)
{
this.TransferParams = WfTransferParams.FromNextDefaultActivity(process);
}
//如果流转参数中没有下一步的人员，则从下一步活动的候选人中复制
if (this.TransferParams.Assignees.Count == 0)
{
IWfActivity nextActivity = process.Activities.FindActivityByDescriptorKey(this.TransferParams.NextActivityDescriptor.Key);
if (nextActivity != null)
{
this.TransferParams.Assignees.CopyFrom(nextActivity.Candidates);
}
}
this.TransferParams.FillActivityAndTransitionInfoFromContext(process);
WfMoveToExecutor.DoMoveToOperation(process, this.TransferParams);
}
WfRuntime.ProcessContext.ResetContextByProcess(process);
}
public WfMoveToExecutor(IWfActivity operatorActivity, IWfActivity targetActivity, WfTransferParams transferParams)
: base(operatorActivity, targetActivity, WfControlOperationType.MoveTo)
{
transferParams.NullCheck("transferParams");
TransferParams = transferParams;
}
public static WfTransferParams FromNextActivity(IWfActivityDescriptor currentActDesp, Func <WfTransitionDescriptorCollection, IWfTransitionDescriptor> predicate)
{
currentActDesp.NullCheck("actDesp");
predicate.NullCheck("predicate");
WfTransferParams transferParams = null;
WfTransitionDescriptorCollection toTransitions =
currentActDesp.ToTransitions.GetAllCanTransitTransitions();
//找到匹配的线
IWfTransitionDescriptor transition = predicate(toTransitions);
if (transition != null)
{
transferParams = new WfTransferParams(transition.ToActivity);
transferParams.FromTransitionDescriptor = transition;
if (transition.ToActivity.Instance != null)
{
transferParams.Assignees.CopyFrom(transition.ToActivity.Instance.Candidates);
}
if (DeluxePrincipal.IsAuthenticated)
{
transferParams.Operator = DeluxeIdentity.CurrentUser;
}
}
(transferParams != null).FalseThrow(Translator.Translate(Define.DefaultCulture, "不能根据活动定义{0}找到符合条件的下一步环节", currentActDesp.Key));
return(transferParams);
}
public WfMoveToExecutor(IWfActivity operatorActivity, IWfActivity targetActivity, WfTransferParams transferParams, IEnumerable <Lock> locks)
: base(operatorActivity, targetActivity, WfControlOperationType.MoveTo)
{
transferParams.NullCheck("transferParams");
TransferParams = transferParams;
this.Locks = locks;
}
/// <summary>
/// 根据默认的下一环节生成流转参数
/// </summary>
/// <param name="process"></param>
/// <returns></returns>
public static WfTransferParams FromNextDefaultActivity(IWfProcess process)
{
process.NullCheck("process");
WfTransferParams transferParams = null;
if (process.CurrentActivity != null)
{
transferParams = FromNextDefaultActivity(process.CurrentActivity.Descriptor);
}
(transferParams != null).FalseThrow(Translator.Translate(Define.DefaultCulture, "不能根据流程当前活动找到默认的下一步环节"));
return(transferParams);
}
internal static void DoMoveToOperation(IWfProcess process, WfTransferParams transferParams)
{
process.Committed = true;
WfRuntime.ProcessContext.BeginChangeActivityChangingContext();
try
{
(transferParams.NextActivityDescriptor != null).FalseThrow("流转参数的目标活动不能为空");
IWfActivity nextActivity = process.Activities.FindActivityByDescriptorKey(transferParams.NextActivityDescriptor.Key);
(nextActivity != null).FalseThrow("不能找到Key为{0}的活动", transferParams.NextActivityDescriptor.Key);
if (nextActivity.Status != WfActivityStatus.NotRunning)
{
WfRuntime.ProcessContext.ActivityChangingContext.CreatorInstanceID = process.CurrentActivity.ID;
IWfTransitionDescriptor returnTransition = process.CurrentActivity.CopyMainStreamActivities(nextActivity, transferParams.FromTransitionDescriptor, WfControlOperationType.Return);
IWfActivity nextCloneActivity = nextActivity;
if (returnTransition != null)
{
transferParams.FromTransitionDescriptor = returnTransition;
nextCloneActivity = returnTransition.ToActivity.Instance;
}
if (nextCloneActivity != null)
{
transferParams.NextActivityDescriptor = nextCloneActivity.Descriptor;
}
else
{
transferParams.NextActivityDescriptor = process.CurrentActivity.Descriptor.ToTransitions.FindDefaultSelectTransition().ToActivity;
}
IEnumerable <IUser> candidates = null;
if (nextActivity != null)
{
candidates = nextActivity.Candidates.ToUsers();
}
if (nextCloneActivity != null)
{
if (candidates.Count() == 0)
{
candidates = nextCloneActivity.Candidates.ToUsers();
}
if (candidates.Count() == 0)
{
candidates = nextCloneActivity.Descriptor.Resources.ToUsers();
}
}
transferParams.Assignees.Add(candidates);
}
process.MoveTo(transferParams);
while ((process.Status == WfProcessStatus.Completed || process.Status == WfProcessStatus.Aborted) &&
process.EntryInfo != null)
{
process.EntryInfo.OwnerActivity.Process.ProcessPendingActivity();
process = process.EntryInfo.OwnerActivity.Process;
}
}
finally
{
WfRuntime.ProcessContext.RestoreChangeActivityChangingContext();
}
}
internal static bool PrepareUserOperationLogDescriptionByTransferParams(WfExecutorDataContext dataContext, WfTransferParams transferParams, UserOperationLog log)
{
bool dealed = false;
if (log.RealUser != null && log.OperationDescription.IsNullOrEmpty())
{
string transitionName = string.Empty;
if (transferParams.FromTransitionDescriptor != null)
{
transitionName = transferParams.FromTransitionDescriptor.Name;
if (transitionName.IsNullOrEmpty())
{
transitionName = transferParams.FromTransitionDescriptor.Description;
}
}
if (transitionName.IsNotEmpty())
{
log.OperationDescription = string.Format("{0}:{1}->{2}, '{3}' {4:yyyy-MM-dd HH:mm:ss}",
log.OperationName, log.RealUser.DisplayName,
Translator.Translate(Define.DefaultCulture, transitionName),
log.Subject, DateTime.Now);
dealed = true;
}
}
return(dealed);
}
/// <summary>
/// 构造方法
/// </summary>
/// <param name="fromActivity"></param>
/// <param name="toActivity"></param>
/// <param name="transferParams"></param>
public WfMoveToEventArgs(IWfActivity fromActivity, IWfActivity toActivity, WfTransferParams transferParams)
{
this.FromActivity = fromActivity;
this.ToActivity = toActivity;
this.TransferParams = transferParams;
}
public WfStartWorkflowExecutor(IWfActivity operatorActivity, WfProcessStartupParams startupParams, WfTransferParams transferParams, bool autoMoveTo = true)
: base(operatorActivity, WfControlOperationType.Startup)
{
startupParams.NullCheck("startupParams");
this.StartupParams = startupParams;
this.TransferParams = transferParams;
this._AutoMoveTo = autoMoveTo;
}
