56 lines
1.1 KiB
C#
56 lines
1.1 KiB
C#
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using System;
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using System.Collections.Generic;
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namespace BITKit
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{
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/// <summary>
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/// 双缓冲区
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public interface IDoubleBuffer<T>
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{
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bool CanRelease { get; }
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T Current { get; }
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void Release(T newValue);
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event Action<T> OnRelease;
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bool TryGetRelease(out T result);
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}
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/// <summary>
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/// <see cref="IDoubleBuffer{T}"/>
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public class DoubleBuffer<T> : IDoubleBuffer<T>
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{
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public bool CanRelease => _release.Allow;
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public T Current
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{
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get;
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// ReSharper disable once MemberCanBePrivate.Global
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protected set;
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}
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public void Release(T newValue)
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{
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Current = newValue;
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OnRelease?.Invoke(newValue);
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_release.SetValueThenAllow(newValue);
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}
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public void Clear()
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{
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_release.Clear();
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}
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public event Action<T> OnRelease;
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private readonly Optional<T> _release=new();
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public bool TryGetRelease(out T result)
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{
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result = _release.Value;
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if (!_release.Allow) return _release.Allow;
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_release.Clear();
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return true;
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}
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}
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}
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