38 lines
936 B
C#
38 lines
936 B
C#
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//
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// Copyright (c) Antmicro
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//
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// Full license details are defined in the 'LICENSE' file.
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//
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using System;
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namespace TermSharp.Misc
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{
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internal sealed class SimpleCache<TFrom, TTo> where TFrom : IGenerationAware
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{
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public SimpleCache(Func<TFrom, TTo> factory)
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{
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generation = -1;
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this.factory = factory;
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}
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public TTo GetValue(TFrom from)
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{
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if(generation != from.Generation)
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{
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var resultAsDisposable = lastResult as IDisposable;
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if(resultAsDisposable != null)
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{
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resultAsDisposable.Dispose();
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}
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lastResult = factory(from);
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generation = from.Generation;
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}
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return lastResult;
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}
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private TTo lastResult;
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private Func<TFrom, TTo> factory;
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private int generation;
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}
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}
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