private void Save(FlowEngine flowEngine)
{
if (flowEngine.Attachment.Owner == -1)
{
throw new ArgumentException("Owner is null");
}
if (flowEngine.FlowState != FlowState.Finished)
{
FlowKey flowKey = new FlowKey()
{
Owner = flowEngine.Attachment.Owner
};
if (!this.dicFlow.ContainsKey(flowKey))
{
this.dicFlow.Add(flowKey, flowEngine);
}
else if (flowEngine.GetCurrent() == null)
{
this.dicFlow.Remove(flowKey);
}
else if (this.dicFlow.ContainsKey(flowKey))
{
this.dicFlow[flowKey] = flowEngine;
}
}
string fileName = FlowManager.GetFlowFile(flowEngine.Attachment.Owner);
FlowEngine.Save(fileName, flowEngine);
}
/// <summary>
/// 单例模式
/// </summary>
/// <returns>FlowManager</returns>
public static FlowManager Instance()
{
if (flowManager == null)
{
flowManager = new FlowManager();
}
return(flowManager);
}
/// <summary>
/// 单例模式
/// </summary>
/// <returns>FlowManager</returns>
public static FlowManager Instance()
{
if (flowManager == null)
{
flowManager = new FlowManager();
}
return flowManager;
}
/// <summary>
/// 加载流程文件
/// </summary>
/// <param name="category">分类</param>
/// <param name="owner">属主</param>
/// <returns></returns>
public FlowEngine Load(int owner)
{
FlowKey flowKey = new FlowKey()
{
Owner = owner
};
if (this.dicFlow.ContainsKey(flowKey))
{
return(this.dicFlow[flowKey]);
}
string fileName = FlowManager.GetFlowFile(owner);
FlowEngine flowEngine = FlowEngine.Load(fileName);
flowEngine.FinishedHandler -= new FlowEngine.FinishedEventHandler(FlowManager.FlowFinished);
flowEngine.FinishedHandler += new FlowEngine.FinishedEventHandler(FlowManager.FlowFinished);
if (flowEngine.FlowState != FlowState.Finished && !this.dicFlow.ContainsKey(flowKey))
{
this.dicFlow.Add(flowKey, flowEngine);
}
return(flowEngine);
}