LocalCacheTool.java

package com.letv.watchball.utils;

import java.util.List;

import com.letv.watchball.bean.LocalCacheBean;
import com.letv.watchball.db.DBManager;

public class LocalCacheTool {
	private LocalCacheTool() {

	}

	private static LocalCacheTool instance = new LocalCacheTool();

	public static LocalCacheTool getInstance() {
		return instance;
	}

	/**
	 * 读取缓存数据
	 * 
	 * @param cacheId
	 * @return
	 */
	public LocalCacheBean readCacheData(String cacheId) {
		LocalCacheBean mLocalCacheBean = DBManager.getInstance()
				.getLocalCacheTrace().getLocalCacheByCacheId(cacheId);
		if (mLocalCacheBean != null) {
			LogInfo.log("cacheId =" + cacheId);
		} else {
			LogInfo.log("readCacheData ----- null");
		}
		return mLocalCacheBean;
	}

	/**
	 * 读取缓存数据
	 * 
	 * @param cacheId
	 * @return
	 */
	public List<LocalCacheBean> readCacheDataByAssistKey(String assistKey) {
		List<LocalCacheBean> mLocalCacheBeans = DBManager.getInstance()
				.getLocalCacheTrace().getLocalCacheByAssistKey(assistKey);
		return mLocalCacheBeans;
	}

	/**
	 * 缓存数据写入数据库
	 * 
	 * @param mLocalCacheBean
	 * @return
	 */
	public boolean writeCacheData(LocalCacheBean mLocalCacheBean) {
		return DBManager.getInstance().getLocalCacheTrace()
				.saveLocalCache(mLocalCacheBean);
	}

	/**
	 * 根据cacheId删除缓存
	 * 
	 * @param cacheId
	 */
	public void deleteCacheDate(String cacheId) {
		DBManager.getInstance().getLocalCacheTrace().deleteByCacheId(cacheId);
	}

	/**
	 * 删除过期的数据
	 */
	public void clearOverdueCache() {
		DBManager.getInstance().getLocalCacheTrace().clearOverdueData();
	}
}