mirror of
https://gitee.com/langsisi_admin/serein-flow
synced 2026-04-03 14:56:34 +08:00
移除了中断相关的后台代码与UI交互(待重写);重写运行时节点获取参数的方法;重写了节点容器的互动;完善了WebSocket远程交互;完善了项目文件的加载;
This commit is contained in:
@@ -1,4 +1,5 @@
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using Serein.Library;
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using Serein.Library.Utils;
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namespace Serein.Library.Api
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@@ -6,7 +6,6 @@ using System;
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using System.Collections.Generic;
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using System.Threading;
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using System.Threading.Tasks;
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using static Serein.Library.Utils.ChannelFlowInterrupt;
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namespace Serein.Library.Api
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{
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@@ -203,7 +202,7 @@ namespace Serein.Library.Api
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/// <summary>
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/// 移除
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/// </summary>
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Remote,
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Remove,
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}
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/// <summary>
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@@ -311,9 +310,9 @@ namespace Serein.Library.Api
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//}
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/// <summary>
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/// 节点Model对象,目前需要手动转换对应的类型
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/// 节点Model对象
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/// </summary>
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public object NodeModel { get; private set; }
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public NodeModelBase NodeModel { get; private set; }
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public PositionOfUI Position { get; private set; }
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//public bool IsAddInRegion { get; private set; }
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public string RegeionGuid { get; private set; }
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@@ -934,13 +933,17 @@ namespace Serein.Library.Api
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void TerminateFlipflopNode(string nodeGuid);
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/// <summary>
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#region 节点中断、表达式
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#if false
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/// <summary>
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/// 设置节点中断
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/// </summary>
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/// <param name="nodeGuid">更改中断状态的节点Guid</param>
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/// <param name="isInterrup">是否中断</param>
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/// <returns></returns>
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Task<bool> SetNodeInterruptAsync(string nodeGuid,bool isInterrup);
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Task<bool> SetNodeInterruptAsync(string nodeGuid, bool isInterrup);
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/// <summary>
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/// 添加作用于某个对象的中断表达式
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@@ -955,7 +958,7 @@ namespace Serein.Library.Api
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/// </summary>
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/// <param name="key">需要监视的对象</param>
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/// <param name="isMonitor">是否启用监视</param>
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void SetMonitorObjState(string key,bool isMonitor);
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void SetMonitorObjState(string key, bool isMonitor);
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/// <summary>
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/// 检查一个对象是否处于监听状态,如果是,则传出与该对象相关的表达式(用于中断),如果不是,则返回false。
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@@ -971,7 +974,9 @@ namespace Serein.Library.Api
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/// <param name="signal"></param>
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/// <param name="interruptClass"></param>
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/// <returns></returns>
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Task<CancelType> GetOrCreateGlobalInterruptAsync();
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Task<CancelType> InterruptNode();
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#endif
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#endregion
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/// <summary>
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/// (用于远程)通知节点属性变更
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@@ -1,11 +1,15 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Serein.Library.Utils;
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using System;
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using System.Threading.Tasks;
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namespace Serein.Library.Api
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{
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/// <summary>
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/// 触发器接口
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/// </summary>
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@@ -15,13 +15,13 @@ namespace Serein.Library.Api
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/// 放置一个节点
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/// </summary>
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/// <param name="nodeModel"></param>
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void PlaceNode(NodeModelBase nodeModel);
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bool PlaceNode(NodeModelBase nodeModel);
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/// <summary>
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/// 取出一个节点
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/// </summary>
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/// <param name="nodeModel"></param>
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void TakeOutNode(NodeModelBase nodeModel);
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bool TakeOutNode(NodeModelBase nodeModel);
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/// <summary>
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/// 取出所有节点(用于删除容器)
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@@ -2,7 +2,6 @@
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using System.Collections.Generic;
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using System.Text;
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using System.Threading.Tasks;
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using static Serein.Library.Utils.ChannelFlowInterrupt;
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namespace Serein.Library
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{
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@@ -42,7 +41,7 @@ namespace Serein.Library
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/// <summary>
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/// 中断级别,暂时停止继续执行后继分支。
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/// </summary>
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[PropertyInfo(IsNotification = true, CustomCodeAtEnd = "NodeModel?.Env?.SetNodeInterruptAsync(NodeModel?.Guid, value);")] // CustomCode = "NodeModel?.Env?.SetNodeInterruptAsync(NodeModel?.Guid, value);"
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[PropertyInfo(IsNotification = true, CustomCodeAtEnd = "// NodeModel?.Env?.SetNodeInterruptAsync(NodeModel?.Guid, value);")] // CustomCode = "NodeModel?.Env?.SetNodeInterruptAsync(NodeModel?.Guid, value);"
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private bool _isInterrupt = false;
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/// <summary>
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@@ -55,7 +54,7 @@ namespace Serein.Library
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/// 中断Task(用来中断)
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/// </summary>
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[PropertyInfo]
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private Func<Task<CancelType>> _getInterruptTask;
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private Func<Task> _getInterruptTask;
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}
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@@ -16,7 +16,6 @@ using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Xml.Linq;
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using static Serein.Library.Utils.ChannelFlowInterrupt;
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namespace Serein.Library
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{
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@@ -366,16 +365,15 @@ namespace Serein.Library
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/// <returns>节点传回数据对象</returns>
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public virtual async Task<object> ExecutingAsync(IDynamicContext context)
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{
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if(context.NextOrientation == ConnectionInvokeType.IsError)
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{
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Console.WriteLine("");
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}
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//if(context.NextOrientation == ConnectionInvokeType.IsError)
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//{
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//}
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#region 调试中断
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if (DebugSetting.IsInterrupt) // 执行触发检查是否需要中断
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{
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var cancelType = await this.DebugSetting.GetInterruptTask(); // 等待中断结束
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await Console.Out.WriteLineAsync($"[{this.MethodDetails?.MethodName}]中断已{cancelType},开始执行后继分支");
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//var cancelType = await this.DebugSetting.GetInterruptTask(); // 等待中断结束
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await Console.Out.WriteLineAsync($"[{this.MethodDetails?.MethodName}]中断已取消,开始执行后继分支");
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}
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#endregion
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@@ -394,7 +392,7 @@ namespace Serein.Library
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md.ActingInstance = context.Env.IOC.Get(md.ActingInstanceType);
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}
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object[] args = await GetParametersAsync(context, this);
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object[] args = await GetParametersAsync(context);
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var result = await dd.InvokeAsync(md.ActingInstance, args);
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return result;
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@@ -403,296 +401,50 @@ namespace Serein.Library
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/// <summary>
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/// 获取对应的参数数组
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/// </summary>
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public static async Task<object[]> GetParametersAsync(IDynamicContext context,
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NodeModelBase nodeModel)
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public async Task<object[]> GetParametersAsync(IDynamicContext context)
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{
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// 用正确的大小初始化参数数组
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var md = nodeModel.MethodDetails;
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if (md.ParameterDetailss.Length == 0)
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if (MethodDetails.ParameterDetailss.Length == 0)
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{
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return null;// md.ActingInstance
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return new object[0];// md.ActingInstance
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}
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object[] parameters;
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object[] args;
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Array paramsArgs = null; // 初始化可选参数
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int paramsArgIndex = 0; // 可选参数下标,与 object[] paramsArgs 一起使用
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if (md.ParamsArgIndex >= 0)
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if (MethodDetails.ParamsArgIndex >= 0) // 存在可变入参参数
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{
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// 存在可变入参参数
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var paramsArgType = md.ParameterDetailss[md.ParamsArgIndex].DataType; // 获取可变参数的参数类型
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// 可变参数数组长度 = 方法参数个数 - ( 可选入参下标 + 1 )
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int paramsLength = md.ParameterDetailss.Length - md.ParamsArgIndex;
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var paramsArgType = MethodDetails.ParameterDetailss[MethodDetails.ParamsArgIndex].DataType; // 获取可变参数的参数类型
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int paramsLength = MethodDetails.ParameterDetailss.Length - MethodDetails.ParamsArgIndex; // 可变参数数组长度 = 方法参数个数 - ( 可选入参下标 + 1 )
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paramsArgs = Array.CreateInstance(paramsArgType, paramsLength);// 可变参数
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parameters = new object[md.ParamsArgIndex+1]; // 调用方法的入参数组
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parameters[md.ParamsArgIndex] = paramsArgs; // 如果存在可选参数,入参参数最后一项则为可变参数
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args = new object[MethodDetails.ParamsArgIndex + 1]; // 调用方法的入参数组
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args[MethodDetails.ParamsArgIndex] = paramsArgs; // 如果存在可选参数,入参参数最后一项则为可变参数
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}
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else
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{
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// 不存在可选参数
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parameters = new object[md.ParameterDetailss.Length]; // 调用方法的入参数组
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args = new object[MethodDetails.ParameterDetailss.Length]; // 调用方法的入参数组
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}
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bool hasParams = false;
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for (int i = 0; i < md.ParameterDetailss.Length; i++)
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for (int i = 0; i < args.Length; i++) {
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var pd = MethodDetails.ParameterDetailss[i];
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args[i] = await pd.ToMethodArgData(context); // 获取数据
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}
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if(MethodDetails.ParamsArgIndex >= 0)
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{
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var pd = md.ParameterDetailss[i]; // 方法入参描述
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var argDataType = pd.DataType;
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// 入参参数下标循环到可选参数时,开始写入到可选参数数组
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if (paramsArgs != null && i >= md.ParamsArgIndex)
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for (int i = 0; i < paramsArgs.Length; i++)
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{
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// 控制参数赋值方向:
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// true => paramsArgs
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// false => parameters
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hasParams = true;
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var pd = MethodDetails.ParameterDetailss[paramsArgIndex + i];
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var data = await pd.ToMethodArgData(context); // 获取数据
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paramsArgs.SetValue(data, i);// 设置到数组中
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}
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#region 获取基础的上下文数据
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if (argDataType == typeof(IFlowEnvironment)) // 获取流程上下文
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{
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parameters[i] = nodeModel.Env;
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continue;
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}
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if (argDataType == typeof(IDynamicContext)) // 获取流程上下文
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{
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parameters[i] = context;
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continue;
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}
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#endregion
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#region 确定[预入参]数据
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object inputParameter; // 存放解析的临时参数
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if (pd.IsExplicitData && !pd.DataValue.StartsWith("@", StringComparison.OrdinalIgnoreCase)) // 判断是否使用显示的输入参数
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{
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// 使用输入的固定值
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inputParameter = pd.DataValue;
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}
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else
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{
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#region (默认的)从运行时上游节点获取其返回值
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if (pd.ArgDataSourceType == ConnectionArgSourceType.GetPreviousNodeData)
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{
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var previousNode = context.GetPreviousNode(nodeModel);
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if (previousNode is null)
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{
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inputParameter = null;
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}
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else
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{
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inputParameter = context.GetFlowData(previousNode.Guid); // 当前传递的数据
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}
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}
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#endregion
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#region 从指定节点获取其返回值
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else if (pd.ArgDataSourceType == ConnectionArgSourceType.GetOtherNodeData)
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{
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// 获取指定节点的数据
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// 如果指定节点没有被执行,会返回null
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// 如果执行过,会获取上一次执行结果作为预入参数据
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inputParameter = context.GetFlowData(pd.ArgDataSourceNodeGuid);
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}
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#endregion
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#region 立刻执行指定节点,然后获取返回值
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else if (pd.ArgDataSourceType == ConnectionArgSourceType.GetOtherNodeDataOfInvoke)
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{
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// 立刻调用对应节点获取数据。
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try
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{
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var result = await context.Env.InvokeNodeAsync(context, pd.ArgDataSourceNodeGuid);
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inputParameter = result;
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}
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catch (Exception ex)
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{
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context.NextOrientation = ConnectionInvokeType.IsError;
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context.ExceptionOfRuning = ex;
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throw;
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}
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}
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#endregion
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#region 意料之外的参数
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else
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{
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throw new Exception("节点执行方法获取入参参数时,ConnectionArgSourceType枚举是意外的枚举值");
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}
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#endregion
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}
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#region 处理 @Get / @DTC 表达式 (Data type conversion) / @Data (全局数据)
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if (pd.IsExplicitData)
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{
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// @Get 表达式 (从上一节点获取对象)
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if (pd.DataValue.StartsWith("@get", StringComparison.OrdinalIgnoreCase))
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{
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inputParameter = SerinExpressionEvaluator.Evaluate(pd.DataValue, inputParameter, out _);
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}
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// @DTC 表达式 (Data type conversion)
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if (pd.DataValue.StartsWith("@dtc", StringComparison.OrdinalIgnoreCase))
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{
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inputParameter = SerinExpressionEvaluator.Evaluate(pd.DataValue, inputParameter, out _);
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}
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// @Data 表达式 (获取全局数据)
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if (pd.DataValue.StartsWith("@data", StringComparison.OrdinalIgnoreCase))
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{
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inputParameter = SerinExpressionEvaluator.Evaluate(pd.DataValue, inputParameter, out _);
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}
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}
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#endregion
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#region 对于非值类型的null检查
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if (!argDataType.IsValueType && inputParameter is null)
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{
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parameters[i] = null;
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throw new Exception($"[arg{pd.Index}][{pd.Name}][{argDataType}]参数不能为null");
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continue;
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}
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#endregion
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#endregion
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//#region 入参存在取值转换器,调用对应的转换器获取入参数据,如果获取成功(不为null)会跳过循环
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//if (pd.ExplicitType.IsEnum && !(pd.Convertor is null))
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//{
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// //var resultEnum = Enum.ToObject(ed.ExplicitType, ed.DataValue);
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// var resultEnum = Enum.Parse(pd.ExplicitType, pd.DataValue);
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// var value = pd.Convertor(resultEnum);
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// if (value is null)
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// {
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// throw new InvalidOperationException("转换器调用失败");
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// }
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// else
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// {
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// if (hasParams)
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// {
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// paramsArgs.SetValue(value, paramsArgIndex++);
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// // 处理可选参数
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// //paramsArgs[paramsArgIndex++] = value;
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// }
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// else
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// {
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// parameters[i] = value;
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// }
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// continue;
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// }
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//}
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//#endregion
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#region 入参存在基于BinValue的类型转换器,获取枚举转换器中记录的类型,如果获取成功(不为null)会跳过循环
|
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// 入参存在基于BinValue的类型转换器,获取枚举转换器中记录的类型
|
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if (pd.ExplicitType.IsEnum && argDataType != pd.ExplicitType)
|
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{
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var resultEnum = Enum.Parse(pd.ExplicitType, pd.DataValue);
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// 获取绑定的类型
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var type = EnumHelper.GetBoundValue(pd.ExplicitType, resultEnum, attr => attr.Value);
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if (type is Type enumBindType && !(enumBindType is null))
|
||||
{
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var value = nodeModel.Env.IOC.Instantiate(enumBindType);
|
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if (value is null)
|
||||
{
|
||||
|
||||
}
|
||||
else
|
||||
{
|
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if (hasParams)
|
||||
{
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// 处理可选参数
|
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paramsArgs.SetValue(value, paramsArgIndex++);
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//paramsArgs[paramsArgIndex++] = value;
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}
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else
|
||||
{
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parameters[i] = value;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
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#endregion
|
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#region 对入参数据尝试进行转换
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object tmpVaue = null; // 临时存放数据,最后才判断是否放置可选参数数组
|
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var inputParameterType = inputParameter.GetType();
|
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if (inputParameterType == argDataType)
|
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{
|
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tmpVaue = inputParameter; // 类型一致无需转换,直接装入入参数组
|
||||
}
|
||||
else if (argDataType.IsValueType)
|
||||
{
|
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// 值类型
|
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var valueStr = inputParameter?.ToString();
|
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tmpVaue = valueStr.ToValueData(argDataType); // 类型不一致,尝试进行转换,如果转换失败返回类型对应的默认值
|
||||
}
|
||||
else
|
||||
{
|
||||
// 引用类型
|
||||
if (argDataType == typeof(string)) // 转为字符串
|
||||
{
|
||||
var valueStr = inputParameter?.ToString();
|
||||
tmpVaue = valueStr;
|
||||
}
|
||||
else if(argDataType.IsSubclassOf(inputParameterType)) // 入参类型 是 预入参数据类型 的 子类/实现类
|
||||
{
|
||||
// 方法入参中,父类不能隐式转为子类,这里需要进行强制转换
|
||||
tmpVaue = ObjectConvertHelper.ConvertParentToChild(inputParameter, argDataType);
|
||||
}
|
||||
else if(argDataType.IsAssignableFrom(inputParameterType)) // 入参类型 是 预入参数据类型 的 父类/接口
|
||||
{
|
||||
tmpVaue = inputParameter;
|
||||
}
|
||||
// 集合类型
|
||||
//else if(inputParameter is IEnumerable collection)
|
||||
//{
|
||||
// var enumerableMethods = typeof(Enumerable).GetMethods(); // 获取所有的 Enumerable 扩展方法
|
||||
// MethodInfo conversionMethod;
|
||||
// if (argDataType.IsArray) // 转为数组
|
||||
// {
|
||||
// parameters[i] = inputParameter;
|
||||
// conversionMethod = enumerableMethods.FirstOrDefault(m => m.Name == "ToArray" && m.IsGenericMethodDefinition);
|
||||
// }
|
||||
// else if (argDataType.GetGenericTypeDefinition() == typeof(List<>)) // 转为集合
|
||||
// {
|
||||
// conversionMethod = enumerableMethods.FirstOrDefault(m => m.Name == "ToList" && m.IsGenericMethodDefinition);
|
||||
// }
|
||||
// else
|
||||
// {
|
||||
// throw new InvalidOperationException("输入对象不是集合或目标类型不支持(目前仅支持Array、List的自动转换)");
|
||||
// }
|
||||
// var genericMethod = conversionMethod.MakeGenericMethod(argDataType);
|
||||
// var result = genericMethod.Invoke(null, new object[] { collection });
|
||||
// parameters[i] = result;
|
||||
//}
|
||||
|
||||
}
|
||||
|
||||
|
||||
if (hasParams)
|
||||
{
|
||||
// 处理可选参数
|
||||
paramsArgs.SetValue(tmpVaue, paramsArgIndex++);
|
||||
//paramsArgs[paramsArgIndex++] = tmpVaue;
|
||||
}
|
||||
else
|
||||
{
|
||||
parameters[i] = tmpVaue;
|
||||
}
|
||||
#endregion
|
||||
|
||||
args[args.Length - 1] = paramsArgs;
|
||||
}
|
||||
|
||||
|
||||
|
||||
return parameters;
|
||||
return args;
|
||||
}
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 更新节点数据,并检查监视表达式是否生效
|
||||
/// </summary>
|
||||
@@ -733,37 +485,37 @@ namespace Serein.Library
|
||||
{
|
||||
return;
|
||||
}
|
||||
(var isMonitor, var exps) = await context.Env.CheckObjMonitorStateAsync(key);
|
||||
if (isMonitor) // 如果新的数据处于查看状态,通知UI进行更新?交给运行环境判断?
|
||||
{
|
||||
context.Env.MonitorObjectNotification(nodeModel.Guid, data, sourceType); // 对象处于监视状态,通知UI更新数据显示
|
||||
if (exps.Length > 0)
|
||||
{
|
||||
// 表达式环境下判断是否需要执行中断
|
||||
bool isExpInterrupt = false;
|
||||
string exp = "";
|
||||
// 判断执行监视表达式,直到为 true 时退出
|
||||
for (int i = 0; i < exps.Length && !isExpInterrupt; i++)
|
||||
{
|
||||
exp = exps[i];
|
||||
if (string.IsNullOrEmpty(exp)) continue;
|
||||
// isExpInterrupt = SereinConditionParser.To(data, exp);
|
||||
}
|
||||
//(var isMonitor, var exps) = await context.Env.CheckObjMonitorStateAsync(key);
|
||||
//if (isMonitor) // 如果新的数据处于查看状态,通知UI进行更新?交给运行环境判断?
|
||||
//{
|
||||
// context.Env.MonitorObjectNotification(nodeModel.Guid, data, sourceType); // 对象处于监视状态,通知UI更新数据显示
|
||||
// if (exps.Length > 0)
|
||||
// {
|
||||
// // 表达式环境下判断是否需要执行中断
|
||||
// bool isExpInterrupt = false;
|
||||
// string exp = "";
|
||||
// // 判断执行监视表达式,直到为 true 时退出
|
||||
// for (int i = 0; i < exps.Length && !isExpInterrupt; i++)
|
||||
// {
|
||||
// exp = exps[i];
|
||||
// if (string.IsNullOrEmpty(exp)) continue;
|
||||
// // isExpInterrupt = SereinConditionParser.To(data, exp);
|
||||
// }
|
||||
|
||||
if (isExpInterrupt) // 触发中断
|
||||
{
|
||||
nodeModel.DebugSetting.IsInterrupt = true;
|
||||
if (await context.Env.SetNodeInterruptAsync(nodeModel.Guid,true))
|
||||
{
|
||||
context.Env.TriggerInterrupt(nodeModel.Guid, exp, InterruptTriggerEventArgs.InterruptTriggerType.Exp);
|
||||
var cancelType = await nodeModel.DebugSetting.GetInterruptTask();
|
||||
await Console.Out.WriteLineAsync($"[{data}]中断已{cancelType},开始执行后继分支");
|
||||
nodeModel.DebugSetting.IsInterrupt = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
// if (isExpInterrupt) // 触发中断
|
||||
// {
|
||||
// nodeModel.DebugSetting.IsInterrupt = true;
|
||||
// if (await context.Env.SetNodeInterruptAsync(nodeModel.Guid,true))
|
||||
// {
|
||||
// context.Env.TriggerInterrupt(nodeModel.Guid, exp, InterruptTriggerEventArgs.InterruptTriggerType.Exp);
|
||||
// var cancelType = await nodeModel.DebugSetting.GetInterruptTask();
|
||||
// await Console.Out.WriteLineAsync($"[{data}]中断已{cancelType},开始执行后继分支");
|
||||
// nodeModel.DebugSetting.IsInterrupt = false;
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
||||
}
|
||||
//}
|
||||
}
|
||||
|
||||
///// <summary>
|
||||
|
||||
@@ -1,8 +1,11 @@
|
||||
using Serein.Library.Api;
|
||||
using Serein.Library.Utils;
|
||||
using Serein.Library.Utils.SereinExpression;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Reflection;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace Serein.Library
|
||||
{
|
||||
@@ -111,7 +114,6 @@ namespace Serein.Library
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 为节点实例化新的入参描述
|
||||
@@ -178,6 +180,141 @@ namespace Serein.Library
|
||||
return pd;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 转为方法入参数据
|
||||
/// </summary>
|
||||
/// <returns></returns>
|
||||
public async ValueTask<object> ToMethodArgData(IDynamicContext context)
|
||||
{
|
||||
var nodeModel = NodeModel;
|
||||
var env = nodeModel.Env;
|
||||
#region 显然的流程基本类型
|
||||
// 返回运行环境
|
||||
if (DataType == typeof(IFlowEnvironment))
|
||||
{
|
||||
return env;
|
||||
}
|
||||
// 返回流程上下文
|
||||
if (DataType == typeof(IDynamicContext))
|
||||
{
|
||||
return context;
|
||||
}
|
||||
// 显式设置的参数
|
||||
if (IsExplicitData && !DataValue.StartsWith("@", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
return DataValue.ToConvert(DataType); // 并非表达式,同时是显式设置的参数
|
||||
}
|
||||
#endregion
|
||||
#region “枚举-类型”转换器
|
||||
if (ExplicitType.IsEnum && DataType != ExplicitType)
|
||||
{
|
||||
var resultEnum = Enum.Parse(ExplicitType, DataValue);
|
||||
// 获取绑定的类型
|
||||
var type = EnumHelper.GetBoundValue(ExplicitType, resultEnum, attr => attr.Value);
|
||||
if (type is Type enumBindType && !(enumBindType is null))
|
||||
{
|
||||
var value = nodeModel.Env.IOC.Instantiate(enumBindType);
|
||||
return value;
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
// 需要获取预入参数据
|
||||
object inputParameter;
|
||||
#region (默认的)从运行时上游节点获取其返回值
|
||||
if (ArgDataSourceType == ConnectionArgSourceType.GetPreviousNodeData)
|
||||
{
|
||||
var previousNode = context.GetPreviousNode(nodeModel);
|
||||
if (previousNode is null)
|
||||
{
|
||||
inputParameter = null;
|
||||
}
|
||||
else
|
||||
{
|
||||
inputParameter = context.GetFlowData(previousNode.Guid); // 当前传递的数据
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
#region 从指定节点获取其返回值
|
||||
else if (ArgDataSourceType == ConnectionArgSourceType.GetOtherNodeData)
|
||||
{
|
||||
// 获取指定节点的数据
|
||||
// 如果指定节点没有被执行,会返回null
|
||||
// 如果执行过,会获取上一次执行结果作为预入参数据
|
||||
inputParameter = context.GetFlowData(ArgDataSourceNodeGuid);
|
||||
}
|
||||
#endregion
|
||||
#region 立刻执行指定节点,然后获取返回值
|
||||
else if (ArgDataSourceType == ConnectionArgSourceType.GetOtherNodeDataOfInvoke)
|
||||
{
|
||||
// 立刻调用对应节点获取数据。
|
||||
try
|
||||
{
|
||||
var result = await env.InvokeNodeAsync(context, ArgDataSourceNodeGuid);
|
||||
inputParameter = result;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
context.NextOrientation = ConnectionInvokeType.IsError;
|
||||
context.ExceptionOfRuning = ex;
|
||||
throw;
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
#region 意料之外的参数
|
||||
else
|
||||
{
|
||||
throw new Exception("节点执行方法获取入参参数时,ConnectionArgSourceType枚举是意外的枚举值");
|
||||
}
|
||||
#endregion
|
||||
#region 判断是否执行表达式
|
||||
if (IsExplicitData)
|
||||
{
|
||||
// @Get 表达式 (从上一节点获取对象)
|
||||
if (DataValue.StartsWith("@get", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
inputParameter = SerinExpressionEvaluator.Evaluate(DataValue, inputParameter, out _);
|
||||
}
|
||||
|
||||
// @DTC 表达式 (Data type conversion)
|
||||
else if (DataValue.StartsWith("@dtc", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
inputParameter = SerinExpressionEvaluator.Evaluate(DataValue, inputParameter, out _);
|
||||
}
|
||||
|
||||
// @Data 表达式 (获取全局数据)
|
||||
else if (DataValue.StartsWith("@data", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
inputParameter = SerinExpressionEvaluator.Evaluate(DataValue, inputParameter, out _);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// 对引用类型检查 null
|
||||
if (!DataType.IsValueType && inputParameter is null)
|
||||
{
|
||||
throw new Exception($"[arg{Index}][{Name}][{DataType}]参数不能为null");
|
||||
}
|
||||
if (DataType == typeof(string)) // 转为字符串
|
||||
{
|
||||
return inputParameter.ToString();
|
||||
}
|
||||
var inputParameterType = inputParameter.GetType();
|
||||
if (DataType.IsSubclassOf(inputParameterType)) // 入参类型 是 预入参数据类型 的 子类/实现类
|
||||
{
|
||||
// 方法入参中,父类不能隐式转为子类,这里需要进行强制转换
|
||||
return ObjectConvertHelper.ConvertParentToChild(inputParameter, DataType);
|
||||
}
|
||||
if (DataType.IsAssignableFrom(inputParameterType)) // 入参类型 是 预入参数据类型 的 父类/接口
|
||||
{
|
||||
return inputParameter;
|
||||
}
|
||||
|
||||
throw new Exception($"[arg{Index}][{Name}][{DataType}]入参类型不符合,当前预入参类型为{inputParameterType}");
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
return $"[{this.Index}] {this.Name} : {this.ExplicitType?.FullName} -> {this.DataType?.FullName}";
|
||||
|
||||
@@ -9,7 +9,7 @@ using System.Threading.Tasks;
|
||||
namespace Serein.Library.Network.WebSocketCommunication.Handle
|
||||
{
|
||||
/// <summary>
|
||||
/// 表示参数可以为空(Net462不能使用NutNull的情况)
|
||||
/// 表示参数不能为空(Net462不能使用NutNull的情况)
|
||||
/// </summary>
|
||||
public sealed class NeedfulAttribute : Attribute
|
||||
{
|
||||
|
||||
@@ -38,6 +38,8 @@
|
||||
|
||||
<ItemGroup>
|
||||
|
||||
<PackageReference Include="Microsoft.Extensions.ObjectPool" Version="9.0.0" />
|
||||
|
||||
<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
|
||||
<PackageReference Include="System.Reactive" Version="6.0.1" />
|
||||
<PackageReference Include="System.Threading.Channels" Version="8.0.0" />
|
||||
|
||||
@@ -1,353 +0,0 @@
|
||||
#region plan 2
|
||||
using System;
|
||||
using System.Collections.Concurrent;
|
||||
using System.Threading;
|
||||
using System.Threading.Channels;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace Serein.Library.Utils
|
||||
{
|
||||
/// <summary>
|
||||
/// 流程中断管理
|
||||
/// </summary>
|
||||
public class ChannelFlowInterrupt
|
||||
{
|
||||
/// <summary>
|
||||
/// 中断取消类型
|
||||
/// </summary>
|
||||
public enum CancelType
|
||||
{
|
||||
Manual,
|
||||
Error,
|
||||
Overtime
|
||||
}
|
||||
|
||||
// 使用并发字典管理每个信号对应的 Channel
|
||||
private readonly ConcurrentDictionary<string, Channel<CancelType>> _channels = new ConcurrentDictionary<string, Channel<CancelType>>();
|
||||
|
||||
/// <summary>
|
||||
/// 创建信号并指定超时时间,到期后自动触发(异步方法)
|
||||
/// </summary>
|
||||
/// <param name="signal">信号标识符</param>
|
||||
/// <param name="outTime">超时时间</param>
|
||||
/// <returns>等待任务</returns>
|
||||
public async Task<CancelType> GetCreateChannelWithTimeoutAsync(string signal, TimeSpan outTime)
|
||||
{
|
||||
var channel = GetOrCreateChannel(signal);
|
||||
var cts = new CancellationTokenSource();
|
||||
|
||||
// 异步任务:超时后自动触发信号
|
||||
_ = Task.Run(async () =>
|
||||
{
|
||||
try
|
||||
{
|
||||
await Task.Delay(outTime, cts.Token);
|
||||
if (!cts.Token.IsCancellationRequested)
|
||||
{
|
||||
await channel.Writer.WriteAsync(CancelType.Overtime);
|
||||
}
|
||||
}
|
||||
catch (OperationCanceledException)
|
||||
{
|
||||
// 超时任务被取消
|
||||
}
|
||||
finally
|
||||
{
|
||||
cts?.Dispose();
|
||||
}
|
||||
}, cts.Token);
|
||||
|
||||
// 等待信号传入(超时或手动触发)
|
||||
try
|
||||
{
|
||||
var result = await channel.Reader.ReadAsync();
|
||||
return result;
|
||||
}
|
||||
catch
|
||||
{
|
||||
return CancelType.Error;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 创建信号,直到手动触发(异步方法)
|
||||
/// </summary>
|
||||
/// <param name="signal">信号标识符</param>
|
||||
/// <returns>等待任务</returns>
|
||||
public async Task<CancelType> GetOrCreateChannelAsync(string signal)
|
||||
{
|
||||
try
|
||||
{
|
||||
var channel = GetOrCreateChannel(signal);
|
||||
// 等待信号传入(超时或手动触发)
|
||||
var result = await channel.Reader.ReadAsync();
|
||||
return result;
|
||||
}
|
||||
catch
|
||||
{
|
||||
return CancelType.Manual;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 创建信号并指定超时时间,到期后自动触发(同步阻塞方法)
|
||||
/// </summary>
|
||||
/// <param name="signal">信号标识符</param>
|
||||
/// <param name="timeout">超时时间</param>
|
||||
public async Task<CancelType> CreateChannelWithTimeoutSync(string signal, TimeSpan timeout)
|
||||
{
|
||||
var channel = GetOrCreateChannel(signal);
|
||||
var cts = new CancellationTokenSource();
|
||||
CancellationToken token = cts.Token;
|
||||
|
||||
// 异步任务:超时后自动触发信号
|
||||
_ = Task.Run(async () =>
|
||||
{
|
||||
try
|
||||
{
|
||||
await Task.Delay(timeout, token);
|
||||
await channel.Writer.WriteAsync(CancelType.Overtime);
|
||||
}
|
||||
catch (OperationCanceledException ex)
|
||||
{
|
||||
// 任务被取消
|
||||
await Console.Out.WriteLineAsync(ex.Message);
|
||||
}
|
||||
});
|
||||
|
||||
// 同步阻塞直到信号触发或超时
|
||||
var result = await channel.Reader.ReadAsync();
|
||||
return result;
|
||||
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 触发信号
|
||||
/// </summary>
|
||||
/// <param name="signal">信号字符串</param>
|
||||
/// <returns>是否成功触发</returns>
|
||||
public bool TriggerSignal(string signal)
|
||||
{
|
||||
//if (_channels.TryGetValue(signal, out var channel))
|
||||
//{
|
||||
// // 手动触发信号
|
||||
// channel.Writer.TryWrite(CancelType.Manual);
|
||||
// return true;
|
||||
//}
|
||||
//return false;
|
||||
|
||||
|
||||
try
|
||||
{
|
||||
if (_channels.TryGetValue(signal, out var channel))
|
||||
{
|
||||
// 手动触发信号
|
||||
channel.Writer.TryWrite(CancelType.Manual);
|
||||
|
||||
// 完成写入,标记该信号通道不再接受新写入
|
||||
channel.Writer.Complete();
|
||||
|
||||
// 触发后移除信号
|
||||
_channels.TryRemove(signal, out _);
|
||||
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
catch
|
||||
{
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 取消所有任务
|
||||
/// </summary>
|
||||
public void CancelAllTasks()
|
||||
{
|
||||
foreach (var channel in _channels.Values)
|
||||
{
|
||||
try
|
||||
{
|
||||
channel.Writer.Complete();
|
||||
}
|
||||
finally
|
||||
{
|
||||
|
||||
}
|
||||
}
|
||||
_channels.Clear();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 获取或创建指定信号的 Channel
|
||||
/// </summary>
|
||||
/// <param name="signal">信号字符串</param>
|
||||
/// <returns>对应的 Channel</returns>
|
||||
private Channel<CancelType> GetOrCreateChannel(string signal)
|
||||
{
|
||||
return _channels.GetOrAdd(signal, _ => Channel.CreateUnbounded<CancelType>());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region plan 3
|
||||
|
||||
//using System;
|
||||
//using System.Collections.Concurrent;
|
||||
//using System.Threading;
|
||||
//using System.Threading.Channels;
|
||||
//using System.Threading.Tasks;
|
||||
|
||||
//namespace Serein.Library.Utils
|
||||
//{
|
||||
// /// <summary>
|
||||
// /// 流程中断管理类,提供了基于 Channel 的异步中断机制
|
||||
// /// </summary>
|
||||
// public class ChannelFlowInterrupt
|
||||
// {
|
||||
// /// <summary>
|
||||
// /// 中断取消类型
|
||||
// /// </summary>
|
||||
// public enum CancelType
|
||||
// {
|
||||
// Manual, // 手动触发
|
||||
// Overtime, // 超时触发
|
||||
// Discard // 丢弃触发
|
||||
// }
|
||||
|
||||
// // 使用并发字典管理每个信号对应的 Channel 和状态
|
||||
// private readonly ConcurrentDictionary<string, (Channel<CancelType> Channel, bool IsCancelled, bool IsDiscardMode)> _channels
|
||||
// = new ConcurrentDictionary<string, (Channel<CancelType>, bool, bool)>();
|
||||
|
||||
// // 锁对象,用于保护并发访问
|
||||
// private readonly object _lock = new object();
|
||||
|
||||
// /// <summary>
|
||||
// /// 创建带有超时功能的信号,超时后自动触发
|
||||
// /// </summary>
|
||||
// public async Task<CancelType> GetCreateChannelWithTimeoutAsync(string signal, TimeSpan outTime)
|
||||
// {
|
||||
// var (channel, isCancelled, isDiscardMode) = GetOrCreateChannel(signal);
|
||||
|
||||
// // 如果信号已取消或在丢弃模式下,立即返回丢弃类型
|
||||
// if (isCancelled || isDiscardMode) return CancelType.Discard;
|
||||
|
||||
// var cts = new CancellationTokenSource();
|
||||
|
||||
// _ = Task.Run(async () =>
|
||||
// {
|
||||
// try
|
||||
// {
|
||||
// await Task.Delay(outTime, cts.Token);
|
||||
// if (!cts.Token.IsCancellationRequested && !isCancelled)
|
||||
// {
|
||||
// await channel.Writer.WriteAsync(CancelType.Overtime);
|
||||
// }
|
||||
// }
|
||||
// catch (OperationCanceledException)
|
||||
// {
|
||||
// // 处理任务取消的情况
|
||||
// }
|
||||
// finally
|
||||
// {
|
||||
// cts.Dispose();
|
||||
// }
|
||||
// }, cts.Token);
|
||||
|
||||
// return await channel.Reader.ReadAsync();
|
||||
// }
|
||||
|
||||
// /// <summary>
|
||||
// /// 创建或获取现有信号,等待手动触发
|
||||
// /// </summary>
|
||||
// public async Task<CancelType> GetOrCreateChannelAsync(string signal)
|
||||
// {
|
||||
// var (channel, isCancelled, isDiscardMode) = GetOrCreateChannel(signal);
|
||||
|
||||
// // 如果信号已取消或在丢弃模式下,立即返回丢弃类型
|
||||
// if (isCancelled || isDiscardMode) return CancelType.Discard;
|
||||
|
||||
// return await channel.Reader.ReadAsync();
|
||||
// }
|
||||
|
||||
// /// <summary>
|
||||
// /// 触发信号并将其移除
|
||||
// /// </summary>
|
||||
// public bool TriggerSignal(string signal)
|
||||
// {
|
||||
// lock (_lock)
|
||||
// {
|
||||
// if (_channels.TryGetValue(signal, out var channelInfo))
|
||||
// {
|
||||
// var (channel, isCancelled, isDiscardMode) = channelInfo;
|
||||
|
||||
// // 如果信号未被取消,则触发并标记为已取消
|
||||
// if (!isCancelled)
|
||||
// {
|
||||
// channel.Writer.TryWrite(CancelType.Manual);
|
||||
// _channels[signal] = (channel, true, false); // 标记为已取消
|
||||
// _channels.TryRemove(signal, out _); // 从字典中移除信号
|
||||
// return true;
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
// return false;
|
||||
// }
|
||||
|
||||
// /// <summary>
|
||||
// /// 启用丢弃模式,所有后续获取的信号将直接返回丢弃类型
|
||||
// /// </summary>
|
||||
// /// <param name="signal">信号标识符</param>
|
||||
// public void EnableDiscardMode(string signal,bool state = true)
|
||||
// {
|
||||
// lock (_lock)
|
||||
// {
|
||||
// if (_channels.TryGetValue(signal, out var channelInfo))
|
||||
// {
|
||||
// var (channel, isCancelled, _) = channelInfo;
|
||||
// _channels[signal] = (channel, isCancelled, state); // 标记为丢弃模式
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
||||
// /// <summary>
|
||||
// /// 取消所有任务
|
||||
// /// </summary>
|
||||
// public void CancelAllTasks()
|
||||
// {
|
||||
// foreach (var (channel, _, _) in _channels.Values)
|
||||
// {
|
||||
// try
|
||||
// {
|
||||
// channel.Writer.Complete();
|
||||
// }
|
||||
// catch
|
||||
// {
|
||||
// // 忽略完成时的异常
|
||||
// }
|
||||
// }
|
||||
// _channels.Clear();
|
||||
// }
|
||||
|
||||
// /// <summary>
|
||||
// /// 获取或创建指定信号的 Channel 通道
|
||||
// /// </summary>
|
||||
// private (Channel<CancelType>, bool, bool) GetOrCreateChannel(string signal)
|
||||
// {
|
||||
// lock (_lock)
|
||||
// {
|
||||
// return _channels.GetOrAdd(signal, _ => (Channel.CreateUnbounded<CancelType>(), false, false));
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
//}
|
||||
|
||||
|
||||
#endregion
|
||||
@@ -10,41 +10,15 @@ using System.Threading.Channels;
|
||||
using System.Threading.Tasks;
|
||||
using System.Transactions;
|
||||
|
||||
namespace Serein.Library
|
||||
namespace Serein.Library.Utils
|
||||
{
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 触发类型
|
||||
/// </summary>
|
||||
public enum TriggerDescription
|
||||
{
|
||||
/// <summary>
|
||||
/// 外部触发
|
||||
/// </summary>
|
||||
External,
|
||||
/// <summary>
|
||||
/// 超时触发
|
||||
/// </summary>
|
||||
Overtime,
|
||||
/// <summary>
|
||||
/// 触发了,但类型不一致
|
||||
/// </summary>
|
||||
TypeInconsistency
|
||||
}
|
||||
|
||||
|
||||
public class TriggerResult<TResult>
|
||||
{
|
||||
public TriggerDescription Type { get; set; }
|
||||
public TResult Value { get; set; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 信号触发器类,带有消息广播功能。
|
||||
/// 使用枚举作为标记,创建
|
||||
/// </summary>
|
||||
public class TaskFlowTrigger<TSignal> : IFlowTrigger<TSignal> where TSignal : struct, Enum
|
||||
public class ValueTaskFlowTrigger<TSignal>
|
||||
{
|
||||
// 使用并发字典管理每个信号对应的广播列表
|
||||
private readonly ConcurrentDictionary<TSignal, Subject<TriggerResult<object>>> _subscribers = new ConcurrentDictionary<TSignal, Subject<TriggerResult<object>>>();
|
||||
@@ -73,7 +47,7 @@ namespace Serein.Library
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 等待触发器并指定超时的时间
|
||||
/// </summary>
|
||||
@@ -81,7 +55,7 @@ namespace Serein.Library
|
||||
/// <param name="signal">等待信号</param>
|
||||
/// <param name="outTime">超时时间</param>
|
||||
/// <returns></returns>
|
||||
public async Task<TriggerResult<TResult>> WaitTriggerWithTimeoutAsync<TResult>(TSignal signal, TimeSpan outTime)
|
||||
public async ValueTask<TriggerResult<TResult>> WaitTriggerWithTimeoutAsync<TResult>(TSignal signal, TimeSpan outTime)
|
||||
{
|
||||
var subject = GetOrCreateSubject(signal);
|
||||
var cts = new CancellationTokenSource();
|
||||
@@ -121,13 +95,14 @@ namespace Serein.Library
|
||||
/// <typeparam name="TResult"></typeparam>
|
||||
/// <param name="signal"></param>
|
||||
/// <returns></returns>
|
||||
public async Task<TriggerResult<TResult>> WaitTriggerAsync<TResult>(TSignal signal)
|
||||
public async ValueTask<TriggerResult<TResult>> WaitTriggerAsync<TResult>(TSignal signal)
|
||||
{
|
||||
|
||||
var taskCompletionSource = new TaskCompletionSource<TriggerResult<object>>();
|
||||
var subscription = Subscribe<TResult>(signal, taskCompletionSource.SetResult);
|
||||
var result = await taskCompletionSource.Task;
|
||||
subscription.Dispose(); // 取消订阅
|
||||
if(result.Value is TResult data)
|
||||
if (result.Value is TResult data)
|
||||
{
|
||||
return new TriggerResult<TResult>()
|
||||
{
|
||||
@@ -184,23 +159,5 @@ namespace Serein.Library
|
||||
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 观察者类,用于包装 Action
|
||||
/// </summary>
|
||||
public class Observer<T> : IObserver<T>
|
||||
{
|
||||
private readonly Action<T> _onNext;
|
||||
|
||||
public Observer(Action<T> onNext)
|
||||
{
|
||||
_onNext = onNext;
|
||||
}
|
||||
|
||||
public void OnCompleted() { }
|
||||
public void OnError(Exception error) { }
|
||||
public void OnNext(T value)
|
||||
{
|
||||
_onNext?.Invoke(value);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -1,6 +1,4 @@
|
||||
|
||||
|
||||
using Serein.Library.Api;
|
||||
using Serein.Library.Api;
|
||||
using System;
|
||||
using System.Collections.Concurrent;
|
||||
using System.Threading;
|
||||
@@ -13,7 +11,7 @@ namespace Serein.Library.Utils
|
||||
|
||||
|
||||
|
||||
public class ChannelFlowTrigger<TSignal> : IFlowTrigger<TSignal>
|
||||
public class ChannelFlowTrigger<TSignal> : IFlowTrigger<TSignal>
|
||||
{
|
||||
// 使用并发字典管理每个枚举信号对应的 Channel
|
||||
private readonly ConcurrentDictionary<TSignal, Channel<TriggerResult<object>>> _channels = new ConcurrentDictionary<TSignal, Channel<TriggerResult<object>>>();
|
||||
160
Library/Utils/FlowTrigger/TaskFlowTrigger.cs
Normal file
160
Library/Utils/FlowTrigger/TaskFlowTrigger.cs
Normal file
@@ -0,0 +1,160 @@
|
||||
using Microsoft.Extensions.ObjectPool;
|
||||
using Newtonsoft.Json.Linq;
|
||||
using Serein.Library.Api;
|
||||
using Serein.Library.Utils;
|
||||
using System;
|
||||
using System.Collections.Concurrent;
|
||||
using System.Collections.Generic;
|
||||
using System.Reactive.Linq;
|
||||
using System.Reactive.Subjects;
|
||||
using System.Threading;
|
||||
using System.Threading.Channels;
|
||||
using System.Threading.Tasks;
|
||||
using System.Transactions;
|
||||
|
||||
namespace Serein.Library.Utils
|
||||
{
|
||||
|
||||
/// <summary>
|
||||
/// 信号触发器类,带有消息广播功能。
|
||||
/// 使用枚举作为标记,创建
|
||||
/// </summary>
|
||||
public class TaskFlowTrigger<TSignal> : IFlowTrigger<TSignal>
|
||||
{
|
||||
// 使用并发字典管理每个信号对应的广播列表
|
||||
private readonly ConcurrentDictionary<TSignal, Subject<TriggerResult<object>>> _subscribers = new ConcurrentDictionary<TSignal, Subject<TriggerResult<object>>>();
|
||||
private readonly TriggerResultPool _triggerResultPool = new TriggerResultPool();
|
||||
/// <summary>
|
||||
/// 获取或创建指定信号的 Subject(消息广播者)
|
||||
/// </summary>
|
||||
/// <param name="signal">枚举信号标识符</param>
|
||||
/// <returns>对应的 Subject</returns>
|
||||
private Subject<TriggerResult<object>> GetOrCreateSubject(TSignal signal)
|
||||
{
|
||||
return _subscribers.GetOrAdd(signal, _ => new Subject<TriggerResult<object>>());
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 订阅指定信号的消息
|
||||
/// </summary>
|
||||
/// <param name="signal">枚举信号标识符</param>
|
||||
/// <param name="action">订阅者</param>
|
||||
/// <returns>取消订阅的句柄</returns>
|
||||
private IDisposable Subscribe<TResult>(TSignal signal, Action<TriggerResult<object>> action)
|
||||
{
|
||||
IObserver<TriggerResult<object>> observer = new Observer<TriggerResult<object>>(action);
|
||||
var subject = GetOrCreateSubject(signal);
|
||||
return subject.Subscribe(observer); // 返回取消订阅的句柄
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 等待触发器并指定超时的时间
|
||||
/// </summary>
|
||||
/// <typeparam name="TResult">返回值类型</typeparam>
|
||||
/// <param name="signal">等待信号</param>
|
||||
/// <param name="outTime">超时时间</param>
|
||||
/// <returns></returns>
|
||||
public async Task<TriggerResult<TResult>> WaitTriggerWithTimeoutAsync<TResult>(TSignal signal, TimeSpan outTime)
|
||||
{
|
||||
var subject = GetOrCreateSubject(signal);
|
||||
var cts = new CancellationTokenSource();
|
||||
|
||||
// 超时任务:延迟后触发超时信号
|
||||
var timeoutTask = Task.Delay(outTime, cts.Token).ContinueWith(t =>
|
||||
{
|
||||
if (!cts.Token.IsCancellationRequested)
|
||||
{
|
||||
var outResult = _triggerResultPool.Get();
|
||||
outResult.Type = TriggerDescription.Overtime;
|
||||
subject.OnNext(outResult);
|
||||
subject.OnCompleted();
|
||||
}
|
||||
}, cts.Token, TaskContinuationOptions.OnlyOnRanToCompletion, TaskScheduler.Default);
|
||||
|
||||
var result = await WaitTriggerAsync<TResult>(signal); // 获取触发的结果
|
||||
cts.Cancel(); // 取消超时任务
|
||||
await timeoutTask; // 确保超时任务完成
|
||||
cts.Dispose();
|
||||
return result;
|
||||
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 等待触发
|
||||
/// </summary>
|
||||
/// <typeparam name="TResult"></typeparam>
|
||||
/// <param name="signal"></param>
|
||||
/// <returns></returns>
|
||||
public async Task<TriggerResult<TResult>> WaitTriggerAsync<TResult>(TSignal signal)
|
||||
{
|
||||
var taskCompletionSource = new TaskCompletionSource<TriggerResult<object>>();
|
||||
var subscription = Subscribe<TResult>(signal, taskCompletionSource.SetResult);
|
||||
var result = await taskCompletionSource.Task;
|
||||
subscription.Dispose(); // 取消订阅
|
||||
var result2 = result.Value is TResult data
|
||||
? new TriggerResult<TResult> { Value = data, Type = TriggerDescription.External }
|
||||
: new TriggerResult<TResult> { Type = TriggerDescription.TypeInconsistency };
|
||||
_triggerResultPool.Return(result); // 将结果归还池中
|
||||
return result2;
|
||||
}
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 手动触发信号,并广播给所有订阅者
|
||||
/// </summary>
|
||||
/// <typeparam name="TResult">触发类型</typeparam>
|
||||
/// <param name="signal">枚举信号标识符</param>
|
||||
/// <param name="value">传递的数据</param>
|
||||
/// <returns>是否成功触发</returns>
|
||||
public Task<bool> InvokeTriggerAsync<TResult>(TSignal signal, TResult value)
|
||||
{
|
||||
if (_subscribers.TryGetValue(signal, out var subject))
|
||||
{
|
||||
var result = _triggerResultPool.Get();
|
||||
result.Type = TriggerDescription.External;
|
||||
result.Value = value;
|
||||
subject.OnNext(result); // 广播给所有订阅者
|
||||
subject.OnCompleted(); // 通知订阅结束
|
||||
return Task.FromResult(true);
|
||||
}
|
||||
return Task.FromResult(false);
|
||||
}
|
||||
/// <summary>
|
||||
/// 取消所有任务
|
||||
/// </summary>
|
||||
|
||||
public void CancelAllTrigger()
|
||||
{
|
||||
foreach (var subject in _subscribers.Values)
|
||||
{
|
||||
subject.OnCompleted(); // 通知所有订阅者结束
|
||||
}
|
||||
_subscribers.Clear();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 观察者类,用于包装 Action
|
||||
/// </summary>
|
||||
public class Observer<T> : IObserver<T>
|
||||
{
|
||||
private readonly Action<T> _onNext;
|
||||
|
||||
public Observer(Action<T> onNext)
|
||||
{
|
||||
_onNext = onNext;
|
||||
}
|
||||
|
||||
public void OnCompleted() { }
|
||||
public void OnError(Exception error) { }
|
||||
public void OnNext(T value)
|
||||
{
|
||||
_onNext?.Invoke(value);
|
||||
}
|
||||
}
|
||||
}
|
||||
112
Library/Utils/FlowTrigger/TriggerResult.cs
Normal file
112
Library/Utils/FlowTrigger/TriggerResult.cs
Normal file
@@ -0,0 +1,112 @@
|
||||
using System;
|
||||
using System.Collections.Concurrent;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace Serein.Library.Utils
|
||||
{
|
||||
public class TriggerResult<TResult>
|
||||
{
|
||||
public TriggerDescription Type { get; set; }
|
||||
public TResult Value { get; set; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 对象池队列
|
||||
/// </summary>
|
||||
public class ConcurrentExpandingObjectPool<T> where T : class, new()
|
||||
{
|
||||
private readonly ConcurrentQueue<T> _pool; // 存储池中对象的队列
|
||||
|
||||
public ConcurrentExpandingObjectPool(int initialCapacity)
|
||||
{
|
||||
// 初始化对象池,初始容量为 initialCapacity
|
||||
_pool = new ConcurrentQueue<T>();
|
||||
|
||||
// 填充初始对象
|
||||
for (int i = 0; i < initialCapacity; i++)
|
||||
{
|
||||
_pool.Enqueue(new T());
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 获取一个对象,如果池中没有对象,则动态创建新的对象
|
||||
/// </summary>
|
||||
/// <returns>池中的一个对象</returns>
|
||||
public T Get()
|
||||
{
|
||||
// 尝试从池中获取一个对象
|
||||
if (!_pool.TryDequeue(out var item))
|
||||
{
|
||||
// 如果池为空,则创建一个新的对象
|
||||
item = new T();
|
||||
}
|
||||
|
||||
return item;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 将一个对象归还到池中
|
||||
/// </summary>
|
||||
/// <param name="item">需要归还的对象</param>
|
||||
public void Return(T item)
|
||||
{
|
||||
// 将对象归还到池中
|
||||
_pool.Enqueue(item);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 获取当前池中的对象数
|
||||
/// </summary>
|
||||
public int CurrentSize => _pool.Count;
|
||||
|
||||
/// <summary>
|
||||
/// 清空池中的所有对象
|
||||
/// </summary>
|
||||
public void Clear()
|
||||
{
|
||||
while (_pool.TryDequeue(out _)) { } // 清空队列
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 使用 ObjectPool 来复用 TriggerResult 对象
|
||||
/// </summary>
|
||||
// 示例 TriggerResult 对象池
|
||||
public class TriggerResultPool
|
||||
{
|
||||
private readonly ConcurrentExpandingObjectPool<TriggerResult<object>> _objectPool;
|
||||
|
||||
public TriggerResultPool(int defaultCapacity = 30)
|
||||
{
|
||||
_objectPool = new ConcurrentExpandingObjectPool<TriggerResult<object>>(defaultCapacity);
|
||||
}
|
||||
|
||||
public TriggerResult<object> Get() => _objectPool.Get();
|
||||
|
||||
public void Return(TriggerResult<object> result) => _objectPool.Return(result);
|
||||
}
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// 触发类型
|
||||
/// </summary>
|
||||
public enum TriggerDescription
|
||||
{
|
||||
/// <summary>
|
||||
/// 外部触发
|
||||
/// </summary>
|
||||
External,
|
||||
/// <summary>
|
||||
/// 超时触发
|
||||
/// </summary>
|
||||
Overtime,
|
||||
/// <summary>
|
||||
/// 触发了,但类型不一致
|
||||
/// </summary>
|
||||
TypeInconsistency
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user