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https://gitee.com/langsisi_admin/serein-flow
synced 2026-04-02 06:26:35 +08:00
将FlowTrigger触发器整合成接口的形式方便替换
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@@ -1,5 +1,6 @@
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using Serein.Library.Api;
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using System;
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using System.Collections.Concurrent;
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using System.Threading;
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@@ -12,18 +13,22 @@ namespace Serein.Library.Utils
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public class ChannelFlowTrigger<TSignal>
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public class ChannelFlowTrigger<TSignal> : IFlowTrigger<TSignal>
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{
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// 使用并发字典管理每个枚举信号对应的 Channel
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private readonly ConcurrentDictionary<TSignal, Channel<(TriggerType,object)>> _channels = new ConcurrentDictionary<TSignal, Channel<(TriggerType, object)>>();
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private readonly ConcurrentDictionary<TSignal, Channel<TriggerResult<object>>> _channels = new ConcurrentDictionary<TSignal, Channel<TriggerResult<object>>>();
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/// <summary>
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/// 创建信号并指定超时时间,到期后自动触发(异步方法)
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/// 获取或创建指定信号的 Channel
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/// </summary>
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/// <param name="signal">枚举信号标识符</param>
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/// <param name="outTime">超时时间</param>
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/// <returns>等待任务</returns>
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public async Task<(TriggerType, TResult)> WaitDataWithTimeoutAsync<TResult>(TSignal signal, TimeSpan outTime)
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/// <returns>对应的 Channel</returns>
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private Channel<TriggerResult<object>> GetOrCreateChannel(TSignal signal)
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{
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return _channels.GetOrAdd(signal, _ => Channel.CreateUnbounded<TriggerResult<object>>());
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}
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public async Task<TriggerResult<TResult>> WaitTriggerWithTimeoutAsync<TResult>(TSignal signal, TimeSpan outTime)
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{
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var channel = GetOrCreateChannel(signal);
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var cts = new CancellationTokenSource();
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@@ -34,7 +39,11 @@ namespace Serein.Library.Utils
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try
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{
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await Task.Delay(outTime, cts.Token);
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await channel.Writer.WriteAsync((TriggerType.Overtime, null));
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var outResult = new TriggerResult<object>()
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{
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Type = TriggerDescription.Overtime
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};
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await channel.Writer.WriteAsync(outResult);
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}
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catch (OperationCanceledException)
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{
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@@ -43,45 +52,51 @@ namespace Serein.Library.Utils
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}, cts.Token);
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// 等待信号传入(超时或手动触发)
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(var type, var result) = await channel.Reader.ReadAsync();
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var result = await WaitTriggerAsync<TResult>(signal); // 返回一个可以超时触发的等待任务
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return result;
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return (type, result.ToConvert<TResult>());
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}
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/// <summary>
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/// 创建信号,直到触发
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/// </summary>
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/// <param name="signal">枚举信号标识符</param>
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/// <returns>等待任务</returns>
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public async Task<TResult> WaitData<TResult>(TSignal signal)
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public async Task<TriggerResult<TResult>> WaitTriggerAsync<TResult>(TSignal signal)
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{
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var channel = GetOrCreateChannel(signal);
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// 等待信号传入(超时或手动触发)
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(var type, var result) = await channel.Reader.ReadAsync();
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return result.ToConvert<TResult>();
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var result = await channel.Reader.ReadAsync();
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if (result.Value is TResult data)
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{
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return new TriggerResult<TResult>()
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{
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Value = data,
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Type = TriggerDescription.External,
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};
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}
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else
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{
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return new TriggerResult<TResult>()
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{
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Type = TriggerDescription.TypeInconsistency,
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};
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}
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}
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/// <summary>
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/// 触发信号
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/// </summary>
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/// <param name="signal">枚举信号标识符</param>
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/// <returns>是否成功触发</returns>
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public bool TriggerSignal(TSignal signal, object value)
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public async Task<bool> InvokeTriggerAsync<TResult>(TSignal signal, TResult value)
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{
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if (_channels.TryGetValue(signal, out var channel))
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{
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// 手动触发信号
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channel.Writer.TryWrite((TriggerType.External,value));
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var result = new TriggerResult<object>()
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{
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Type = TriggerDescription.External,
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Value = value
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};
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await channel.Writer.WriteAsync(result);
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return true;
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}
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return false;
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}
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/// <summary>
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/// 取消所有任务
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/// </summary>
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public void CancelAllTasks()
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public void CancelAllTrigger()
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{
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foreach (var channel in _channels.Values)
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{
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@@ -89,16 +104,6 @@ namespace Serein.Library.Utils
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}
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_channels.Clear();
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}
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/// <summary>
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/// 获取或创建指定信号的 Channel
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/// </summary>
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/// <param name="signal">枚举信号标识符</param>
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/// <returns>对应的 Channel</returns>
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private Channel<(TriggerType, object)> GetOrCreateChannel(TSignal signal)
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{
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return _channels.GetOrAdd(signal, _ => Channel.CreateUnbounded<(TriggerType, object)>());
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}
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}
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