/// <summary>
/// 注册一个流程管理器实例
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public IProcessManager ResgiterProcess(string name)
{
if (string.IsNullOrEmpty(name) || piplines.Any(x => name == x.Key))
{
throw new EventCoordinatorException($"流程{name}注册失败");
}
else
{
currentPipline = new EventProcessManagerPipline(logger);
currentPipline.Key = name;
}
return(this);
}
/// <summary>
/// 获取并开始执行一个流程
/// </summary>
/// <typeparam name="TEvent"></typeparam>
/// <param name="name"></param>
/// <param name="input"></param>
/// <returns></returns>
public async Task GetAndRun <TEvent>(string name, TEvent input) where TEvent : EventProcessBase
{
var config = piplines.FirstOrDefault(x => x.Key == name);
if (config != null)
{
var instance = new EventProcessManagerPipline(logger, config);
await instance.Start(input);
}
else
{
throw new EventCoordinatorException($"没有查询到流程{name}!");
}
}
public EventProcessManagerPipline(ILogger logger, EventProcessManagerPipline pipline)
{
this.logger = logger;
this.Key = pipline.Key;
this.Processes = new ConcurrentQueue <ProcessConfigureBase>();
foreach (var item in pipline.GetProcessee())
{
Processes.Enqueue(item);
}
;
this.CallbackList = new ConcurrentDictionary <string, ConcurrentStack <ProcessConfigureBase> >();
foreach (var item in pipline.GetCallbackList())
{
var callbacklist = new List <ProcessConfigureBase>();
var callbackstack = new ConcurrentStack <ProcessConfigureBase>();
foreach (var child in item.Value)
{
callbacklist.Add(child);
}
callbacklist.Reverse();//由于是从栈复制到栈，所以这里需要进行一次反转
callbacklist.ForEach(x => callbackstack.Push(x));
CallbackList.TryAdd(item.Key, callbackstack);
}
}