/// <summary>
/// 获取HttpContext中保存的状态
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static CommandStateBase GetCommandState(Type type)
{
Dictionary <Type, CommandStateBase> dict = GetCommandStateDictionary();
CommandStateBase result = null;
dict.TryGetValue(type, out result);
RegisterHandlerEvents();
return(result);
}
protected virtual void OnPrepareCommandState(IWfProcess process)
{
if (PrepareCommandState != null)
{
PerformanceMonitorHelper.GetDefaultMonitor().WriteExecutionDuration("PrepareCommandState", () =>
{
CommandStateBase state = PrepareCommandState(process);
if (state != null)
{
CommandStateHelper.RegisterState(state);
}
});
}
}
private void OnProcessReadyHandler(IWfProcess process)
{
if (process.LoadingType == DataLoadingType.Cloned)
{
string sourceResourceID = WebUtility.GetRequestQueryString("sourceResourceID", string.Empty);
ICommandStatePersist originalState = LoadStateByResourceID(sourceResourceID);
ExceptionHelper.FalseThrow(originalState != null, "CopyForm时，必须实现LoadStateByResourceID方法");
ICommandStatePersist persistedState = (ICommandStatePersist)originalState;
CommandStateBase newState = (CommandStateBase)persistedState.CloneBusinessObject();
CommandStateHelper.RegisterState(newState);
}
}
/// <summary>
/// 在HttpContext中注册状态
/// </summary>
/// <param name="state"></param>
public static void RegisterState(CommandStateBase state)
{
Dictionary <Type, CommandStateBase> dict = GetCommandStateDictionary();
dict[state.GetType()] = state;
}
