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重构了运行逻辑。上下文使用对象池封装，节点方法调用时间传递CancellationTokenSource用来中止任务

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This commit is contained in:
fengjiayi
2025-03-20 22:54:10 +08:00
parent 2168c5ec66
commit 9941f24c5d
27 changed files with 830 additions and 621 deletions
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93
Library/FlowNode/NodeModelBaseFunc.cs
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@@ -81,7 +81,7 @@ namespace Serein.Library
}
this.MethodDetails.ParameterDetailss = null;
this.MethodDetails.ActingInstance = null;
//this.MethodDetails.ActingInstance = null;
this.MethodDetails.NodeModel = null;
this.MethodDetails.ReturnType = null;
this.MethodDetails.AssemblyName = null;
@@ -249,43 +249,46 @@ namespace Serein.Library
/// <param name="context"></param>
/// <param name="flowCts"></param>
/// <returns></returns>
public static bool IsBradk(IDynamicContext context, CancellationTokenSource flowCts)
{
// 上下文不再执行
if (context.RunState == RunState.Completion)
{
return true;
}
//public static bool IsBradk(IDynamicContext context)
//{
// // 上下文不再执行
// if (context.RunState == RunState.Completion)
// {
// return true;
// }
// 不存在全局触发器时，流程运行状态被设置为完成，退出执行，用于打断无限循环分支。
if (flowCts is null && context.Env.FlowState == RunState.Completion)
{
return true;
}
// // 不存在全局触发器时，流程运行状态被设置为完成，退出执行，用于打断无限循环分支。
// if (flowCts is null && context.Env.FlowState == RunState.Completion)
// {
// return true;
// }
// 如果存在全局触发器，且触发器的执行任务已经被取消时，退出执行。
if (flowCts != null)
{
if (flowCts.IsCancellationRequested)
return true;
}
return false;
}
// // 如果存在全局触发器，且触发器的执行任务已经被取消时，退出执行。
// if (flowCts != null)
// {
// if (flowCts.IsCancellationRequested)
// return true;
// }
// return false;
//}
/// <summary>
/// 开始执行
/// </summary>
/// <param name="context"></param>
/// <param name="token">流程运行</param>
/// <returns></returns>
public async Task StartFlowAsync(IDynamicContext context)
public async Task StartFlowAsync(IDynamicContext context, CancellationToken token)
{
Stack<NodeModelBase> stack = new Stack<NodeModelBase>();
HashSet<NodeModelBase> processedNodes = new HashSet<NodeModelBase>(); // 用于记录已处理上游节点的节点
stack.Push(this);
var flowCts = context.Env.IOC.Get<CancellationTokenSource>(NodeStaticConfig.FlipFlopCtsName);
bool hasFlipflow = flowCts != null;
while (stack.Count > 0) // 循环中直到栈为空才会退出循环
while (context.RunState != RunState.Completion // 没有完成
&& token.IsCancellationRequested == false // 没有取消
&& stack.Count > 0) // 循环中直到栈为空才会退出循环
{
#if DEBUG
await Task.Delay(1);
#endif
@@ -299,15 +302,12 @@ namespace Serein.Library
object newFlowData;
try
{
newFlowData = await currentNode.ExecutingAsync(context, token);
if (IsBradk(context, flowCts)) break; // 退出执行
newFlowData = await currentNode.ExecutingAsync(context);
if (IsBradk(context, flowCts)) break; // 退出执行
if (context.NextOrientation == ConnectionInvokeType.None) // 没有手动设置时，进行自动设置
{
context.NextOrientation = ConnectionInvokeType.IsSucceed;
}
}
catch (Exception ex)
{
@@ -316,9 +316,7 @@ namespace Serein.Library
context.NextOrientation = ConnectionInvokeType.IsError;
context.ExceptionOfRuning = ex;
}
await RefreshFlowDataAndExpInterrupt(context, currentNode, newFlowData); // 执行当前节点后刷新数据
context.AddOrUpdate(currentNode.Guid, newFlowData); // 上下文中更新数据
#endregion
#region 执行完成
@@ -355,14 +353,10 @@ namespace Serein.Library
/// </summary>
/// <param name="context">流程上下文</param>
/// <returns>节点传回数据对象</returns>
public virtual async Task<object> ExecutingAsync(IDynamicContext context)
public virtual async Task<object> ExecutingAsync(IDynamicContext context, CancellationToken token)
{
#region 调试中断
if(context.NextOrientation == ConnectionInvokeType.IsError)
{
}
// 执行触发检查是否需要中断
if (DebugSetting.IsInterrupt)
{
@@ -370,8 +364,8 @@ namespace Serein.Library
await DebugSetting.GetInterruptTask.Invoke();
//await fit.WaitTriggerAsync(Guid); // 创建一个等待的中断任务
SereinEnv.WriteLine(InfoType.INFO, $"[{this.MethodDetails?.MethodName}]中断已取消，开始执行后继分支");
var flowCts = context.Env.IOC.Get<CancellationTokenSource>(NodeStaticConfig.FlipFlopCtsName);
if (IsBradk(context, flowCts)) return null; // 流程已终止，取消后续的执行
//var flowCts = context.Env.IOC.Get<CancellationTokenSource>(NodeStaticConfig.FlipFlopCtsName);
if (token.IsCancellationRequested) { return null; }
}
#endregion
@@ -385,17 +379,14 @@ namespace Serein.Library
{
throw new Exception($"节点{this.Guid}不存在对应委托");
}
if (md.ActingInstance is null)
var instance = Env.IOC.Get(md.ActingInstanceType);
if(instance == null)
{
md.ActingInstance = context.Env.IOC.Get(md.ActingInstanceType);
if (md.ActingInstance is null)
{
md.ActingInstance = context.Env.IOC.Instantiate(md.ActingInstanceType);
}
Env.IOC.Register(md.ActingInstanceType).Build();
instance = Env.IOC.Get(md.ActingInstanceType);
}
object[] args = await GetParametersAsync(context);
var result = await dd.InvokeAsync(md.ActingInstance, args);
object[] args = await GetParametersAsync(context, token);
var result = await dd.InvokeAsync(instance, args);
return result;
}
@@ -403,7 +394,7 @@ namespace Serein.Library
/// <summary>
/// 获取对应的参数数组
/// </summary>
public async Task<object[]> GetParametersAsync(IDynamicContext context)
public async Task<object[]> GetParametersAsync(IDynamicContext context, CancellationToken token)
{
if (MethodDetails.ParameterDetailss.Length == 0)
{
@@ -454,13 +445,13 @@ namespace Serein.Library
/// <summary>
/// 更新节点数据，并检查监视表达式是否生效
/// 检查监视表达式是否生效
/// </summary>
/// <param name="context">上下文</param>
/// <param name="nodeModel">节点Moel</param>
/// <param name="newData">新的数据</param>
/// <returns></returns>
public static async Task RefreshFlowDataAndExpInterrupt(IDynamicContext context, NodeModelBase nodeModel, object newData = null)
public static async Task CheckExpInterrupt(IDynamicContext context, NodeModelBase nodeModel, object newData = null)
{
string guid = nodeModel.Guid;
context.AddOrUpdate(guid, newData); // 上下文中更新数据