71 lines
2.0 KiB
C#
71 lines
2.0 KiB
C#
using System;
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using System.Collections.Generic;
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namespace AibisDream.FixSystem
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{
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/// <summary>
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/// 以两个Key为索引的Dic
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/// </summary>
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/// <typeparam name="T">Value类型</typeparam>
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public class StateDictionary<T>
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{
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private readonly Dictionary<StateTransKey, T> _stateDic = new();
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public T Get(FixState source, FixState target)
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{
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var key = new StateTransKey(source, target);
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return _stateDic[key];
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}
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public void Add(FixState source, FixState target, T value)
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{
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var key = new StateTransKey(source, target);
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_stateDic[key] = value;
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}
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public void Clear()
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{
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_stateDic.Clear();
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}
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public bool ContainsKey(FixState source, FixState target)
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{
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var key = new StateTransKey(source, target);
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return _stateDic.ContainsKey(key);
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}
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public bool TryGetValue(FixState source, FixState target, out T value)
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{
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var key = new StateTransKey(source, target);
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return _stateDic.TryGetValue(key, out value);
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}
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/// <summary>
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/// 用于实现两个Key的Dictionary
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/// </summary>
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private class StateTransKey
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{
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private readonly FixState _sourceState;
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private readonly FixState _targetState;
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public StateTransKey(FixState sourceState, FixState targetState)
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{
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_sourceState = sourceState;
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_targetState = targetState;
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}
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public override bool Equals(object obj)
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{
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// 类型不同肯定不相等
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if (obj is not StateTransKey other) return false;
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// 判断两个key相等
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return _sourceState == other._sourceState && _targetState == other._targetState;
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}
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public override int GetHashCode()
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{
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return HashCode.Combine(_sourceState, _targetState);
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}
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}
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}
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} |