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41 lines
785 B
41 lines
785 B
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace Web.Core {
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public class Cache<T> {
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public static readonly Cache<T> instance = new Cache<T>();
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private Dictionary<object, T> cache;
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private Cache() {
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this.cache = new Dictionary<object,T>();
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}
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public T get(object id, Func<T> getter) {
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if(!this.cache.ContainsKey(id)) {
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lock(id) {
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if(!this.cache.ContainsKey(id)) {
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this.cache[id] = getter();
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}
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}
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}
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try {
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return this.cache[id];
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} catch(KeyNotFoundException) {
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return this.get(id, getter);
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}
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}
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public void delete(object id) {
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lock(id) {
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if(this.cache.ContainsKey(id)) {
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this.cache.Remove(id);
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}
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}
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}
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}
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}
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