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package com.foxinmy.weixin4j.cache;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * 用内存保存缓存对象(不推荐使用)
 *
 * @className MemoryCacheStorager
 * @author jinyu([email protected])
 * @date 2016年1月24日
 * @since JDK 1.6
 * @see
 */
public class MemoryCacheStorager implements
		CacheStorager {

	private final Map CONMAP;

	public MemoryCacheStorager() {
		this.CONMAP = new ConcurrentHashMap();
	}

	@Override
	public T lookup(String key) {
		T cache = this.CONMAP.get(key);
		if (cache != null) {
			if ((cache.getCreateTime() + cache.getExpires() - CUTMS) > System
					.currentTimeMillis()) {
				return cache;
			}
		}
		return null;
	}

	@Override
	public void caching(String key, T cache) {
		this.CONMAP.put(key, cache);
	}

	@Override
	public T evict(String key) {
		return this.CONMAP.remove(key);
	}

	@Override
	public void clear() {
		this.CONMAP.clear();
	}
}