/// <summary>
/// 构造函数
/// </summary>
/// <param name="engineContext">流程引擎上下文</param>
/// <param name="processInst">流程实例</param>
/// <param name="activityInst">活动实例</param>
public ActivityContext(ProcessInst processInst, ActivityInst activityInst)
{
this.ProcessInst = processInst;
this.ActivityInst = activityInst;
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="engineContext">流程引擎上下文</param>
/// <param name="processInst">流程实例</param>
/// <param name="activityInst">活动实例</param>
/// <param name="workItem">工作项</param>
public WorkItemContext(ProcessInst processInst, ActivityInst activityInst, WorkItem workItem)
{
this.ProcessInst = processInst;
this.ActivityInst = activityInst;
this.WorkItem = workItem;
}
/// <summary>
/// 创建流程实例
/// </summary>
/// <param name="processDefID">流程定义ID</param>
/// <param name="parentProcessDefID">父流程ID</param>
/// <param name="parentActivityID">父活动ID</param>
/// <returns></returns>
public string CreateAProcess(string processDefID, string parentProcessDefID, string parentActivityID)
{
ProcessDef processDef = repository.GetDomain<ProcessDef>(processDefID);
if (processDef == null)
{
WFUtil.HandleException(new MessageException()
{
PromptMessage = string.Format("ID={0}的流程不存在", processDefID),
Source = System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.FullName,
});
return string.Empty;
}
if (processDef.CurrentState == (short)ProcessStatus.Candidate)
{
WFUtil.HandleException(new MessageException()
{
PromptMessage = string.Format("ID={0}的流程还未发布，不能创建流程", processDefID),
Source = System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.FullName,
});
return string.Empty;
}
DateTime startTime = DateTime.Now.AddSeconds(-2);
ProcessDefine define = GetProcessDefine(processDefID);
ProcessInst processInst = new ProcessInst()
{
ID = IdGenerator.NewComb().ToString(),
ProcessDefID = processDefID,
CreateTime = DateTime.Now,
Creator = WFUtil.User.ID,
CurrentState = (short)ProcessInstStatus.NoStart,
IsTimeOut = 0,
Name = processDef.Text,
Description = processDef.Description,
ParentProcessID = parentProcessDefID,
ParentActivityID = parentActivityID,
StartTime = startTime,
EndTime = WFUtil.MaxDate,
FinalTime = WFUtil.MaxDate,
LimitTime = WFUtil.MaxDate,
ProcessDefName = processDef.Text,
ProcessVersion = processDef.Version,
RemindTime = WFUtil.MaxDate,
TimeOutTime = WFUtil.MaxDate
};
Activity ad = Persistence.GetStartActivity(processDefID);
ActivityInst activityInst = new ActivityInst()
{
ID = IdGenerator.NewComb().ToString(),
ActivityDefID = ad.ID,
CreateTime = DateTime.Now,
CurrentState = (short)ActivityInstStatus.Compeleted,
Description = ad.Description,
EndTime = WFUtil.MaxDate,
Name = string.Format("启动{0}", processDef.Text),
ProcessInstID = processInst.ID,
RollbackFlag = 0,
StartTime = startTime,
SubProcessInstID = string.Empty,
Type = (short)ActivityType.StartActivity
};
UnitOfWork.ExecuteWithTrans<ProcessInst>(() =>
{
repository.SaveOrUpdate(processInst);
repository.SaveOrUpdate(activityInst);
if (processDef.IsActive != 1)
{
processDef.IsActive = 1;
repository.SaveOrUpdate(processDef);
}
});
return processInst.ID;
}