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https://gitee.com/langsisi_admin/serein-flow
synced 2026-03-02 15:50:47 +08:00
重新设计了FlowContext的Tag,以便支持更多类型的Tag
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@@ -25,13 +25,13 @@ namespace Serein.Library.Api
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/// </summary>
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bool IsRecordInvokeInfo { get; set; }
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/// <summary>
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/*/// <summary>
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/// <para>用于同一个流程上下文中共享、存储任意数据</para>
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/// <para>流程完毕时,如果存储的对象实现了 IDisposable 接口,将会自动调用</para>
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/// <para>该属性的 set 仅限内部访问,如需赋值,请通过 SetTag() </para>
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/// <para>请谨慎使用,请注意数据的生命周期和内存管理</para>
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/// </summary>
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object? Tag { get; }
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object? Tag { get; }*/
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/// <summary>
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/// 运行环境
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@@ -131,7 +131,7 @@ namespace Serein.Library.Api
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/// 设置共享对象(在同一个上下文中保持一致)
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/// </summary>
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/// <param name="tag"></param>
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void SetTag(object tag);
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void SetTag<T>(T tag);
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/// <summary>
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/// 指定泛型尝试获取共享对象(在同一个上下文中保持一致)
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@@ -139,12 +139,22 @@ namespace Serein.Library.Api
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/// <typeparam name="T"></typeparam>
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T? GetTag<T>();
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#if NET6_0_OR_GREATER
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/// <summary>
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/// 指定泛型尝试获取共享对象(在同一个上下文中保持一致)
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="tag"></param>
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bool TryGetTag<T>([NotNullWhen(true)] out T? tag);
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#else
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/// <summary>
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/// 指定泛型尝试获取共享对象(在同一个上下文中保持一致)
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="tag"></param>
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bool TryGetTag<T>(out T? tag);
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#endif
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/// <summary>
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/// 重置流程状态(用于对象池回收)
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@@ -6,6 +6,7 @@ using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Diagnostics.CodeAnalysis;
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using System.Linq;
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using System.Reactive.Concurrency;
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using System.Security.Cryptography.X509Certificates;
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using System.Threading;
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@@ -28,16 +29,6 @@ namespace Serein.Library
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RunState = RunState.Running;
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}
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/// <summary>
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/// <para>用于同一个流程上下文中共享、存储任意数据</para>
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/// <para>流程完毕时,如果存储的对象实现了 IDisposable 接口,将会自动调用</para>
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/// <para>该属性的 set 仅限内部访问,如需赋值,请通过 SetTag() </para>
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/// <para>请谨慎使用,请注意数据的生命周期和内存管理</para>
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/// </summary>
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public object? Tag { get;private set; }
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/// <summary>
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/// 是否记录流程调用信息
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/// </summary>
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@@ -260,18 +251,18 @@ namespace Serein.Library
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throw new InvalidOperationException($"透传{nodeModel}节点数据时发生异常:上一节点不存在数据");
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}
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private object _tagLockObj = new object();
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private ConcurrentDictionary<Type, object?> tags = new ConcurrentDictionary<Type, object?>();
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/// <summary>
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/// 设置共享对象,不建议设置非托管对象
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/// <para>用于同一个流程上下文中共享、存储任意数据,每一个数据通过类型区分</para>
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/// <para>流程完毕时,如果存储的对象实现了 IDisposable 接口,将会自动调用</para>
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/// <para>请谨慎使用,请注意数据的生命周期和内存管理</para>
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/// </summary>
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/// <param name="tag"></param>
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public void SetTag(object tag)
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public void SetTag<T>(T tag)
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{
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lock (_tagLockObj)
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{
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Tag = tag;
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}
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var key = typeof(T);
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tags.AddOrUpdate(key, (_) => tag, (o, n) => tag);
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}
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/// <summary>
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@@ -285,6 +276,7 @@ namespace Serein.Library
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return tag;
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}
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#if NET6_0_OR_GREATER
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/// <summary>
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/// 指定泛型尝试获取共享对象(在同一个上下文中保持一致)
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@@ -293,16 +285,13 @@ namespace Serein.Library
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/// <param name="tag"></param>
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public bool TryGetTag<T>([NotNullWhen(true)] out T? tag)
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{
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lock (_tagLockObj)
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if (tags.TryGetValue(typeof(T),out var temp) && temp is T t)
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{
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if (Tag is T t)
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{
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tag = t;
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return true;
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}
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tag = default;
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return false;
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tag = t;
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return true;
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}
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tag = default;
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return false;
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}
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#else
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@@ -313,16 +302,14 @@ namespace Serein.Library
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/// <param name="tag"></param>
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public bool TryGetTag<T>(out T? tag)
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{
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lock (_tagLockObj)
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{
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if (Tag is T t)
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if (tags.TryGetValue(typeof(T),out var temp) && temp is T t)
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{
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tag = t;
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return true;
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}
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tag = default;
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return false;
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}
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}
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#endif
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@@ -333,10 +320,16 @@ namespace Serein.Library
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/// </summary>
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public void Reset()
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{
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if(Tag is IDisposable disposable)
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var tagObjs = tags.Values.ToArray();
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tags.Clear();
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foreach (var tag in tagObjs)
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{
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disposable.Dispose(); // 释放 Tag 中的资源
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if (tag is IDisposable disposable)
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{
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disposable.Dispose(); // 释放 Tag 中的资源
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}
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}
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this.dictNodeFlowData?.Clear();
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ExceptionOfRuning = null;
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flowInvokeInfos.Clear();
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