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:
fengjiayi
2024-12-26 16:42:05 +08:00
parent 56b22be8c0
commit 7a6f8c407b
37 changed files with 880 additions and 1127 deletions

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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);
}
}
}