67 lines
1.7 KiB
TypeScript
67 lines
1.7 KiB
TypeScript
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module es {
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/**
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* 用于池任何对象
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*/
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export class Pool<T> {
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private static _objectQueue = new Array(10);
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/**
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* 预热缓存，使用最大的cacheCount对象填充缓存
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* @param type
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* @param cacheCount
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*/
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public static warmCache(type: any, cacheCount: number){
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cacheCount -= this._objectQueue.length;
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if (cacheCount > 0) {
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for (let i = 0; i < cacheCount; i++) {
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this._objectQueue.unshift(new type());
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}
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}
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}
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/**
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* 将缓存修剪为cacheCount项目
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* @param cacheCount
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*/
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public static trimCache(cacheCount: number){
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while (cacheCount > this._objectQueue.length)
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this._objectQueue.shift();
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}
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/**
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* 清除缓存
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*/
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public static clearCache() {
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this._objectQueue.length = 0;
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}
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/**
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* 如果可以的话，从堆栈中弹出一个项
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*/
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public static obtain<T>(type: any): T {
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if (this._objectQueue.length > 0)
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return this._objectQueue.shift();
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return new type() as T;
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}
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/**
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* 将项推回堆栈
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* @param obj
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*/
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public static free<T>(obj: T) {
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this._objectQueue.unshift(obj);
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if (egret.is(obj, "IPoolable")){
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obj["reset"]();
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}
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}
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}
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export interface IPoolable {
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/**
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* 重置对象以供重用。对象引用应该为空，字段可以设置为默认值
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*/
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reset();
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}
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}
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