68 lines
1.6 KiB
C#
68 lines
1.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Thousandto.Core.Base
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{
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/// <summary>
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/// 缓存数据 -- 根据外部控制决定是否更新缓存
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public class CacheDataByCommand<T> where T : UnityEngine.Object
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{
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public delegate T CacheDataByCommandMethod();
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public delegate bool CacheDataDecision();
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private CacheDataByCommandMethod _getMethod = null;
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private CacheDataDecision _decision = null; // 缓存数据更新控制
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private bool _cached = false;
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private T _cacheData;
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public CacheDataByCommand(CacheDataByCommandMethod getFunc, CacheDataDecision decisionFunc)
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{
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_getMethod = getFunc;
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_decision = decisionFunc;
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if (_getMethod != null)
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{
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_cacheData = _getMethod();
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}
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}
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~CacheDataByCommand()
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{
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_getMethod = null;
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_decision = null;
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_cacheData = null;
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}
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public T GetCacheData()
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{
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if (_decision != null)
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{
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_cached = _decision();
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}
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if (!_cached)
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{
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_cached = true;
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if (_getMethod != null)
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{
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_cacheData = _getMethod();
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}
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}
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return _cacheData;
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}
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public void Release()
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{
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if (_cacheData != null)
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{
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_cacheData = null;
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}
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}
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}
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}
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