Cache工具类

/**
 * Copyright &copy; 2015-2020 <a href="http://www.jeeplus.org/">JeePlus</a> All rights reserved.
 */
package com.jeeplus.common.utils;


import net.sf.ehcache.Cache;
import net.sf.ehcache.CacheManager;
import net.sf.ehcache.Element;


/**
 * Cache工具类
 * @author jeeplus
 * @version 2013-5-29
 */
public class CacheUtils {

private static CacheManager cacheManager = ((CacheManager)SpringContextHolder.getBean("cacheManager"));


private static final String SYS_CACHE = "sysCache";


/**
* 获取SYS_CACHE缓存
* @param key
* @return
*/
public static Object get(String key) {
return get(SYS_CACHE, key);
}

/**
* 写入SYS_CACHE缓存
* @param key
* @return
*/
public static void put(String key, Object value) {
put(SYS_CACHE, key, value);
}

/**
* 从SYS_CACHE缓存中移除
* @param key
* @return
*/
public static void remove(String key) {
remove(SYS_CACHE, key);
}

/**
* 获取缓存
* @param cacheName
* @param key
* @return
*/
public static Object get(String cacheName, String key) {
Element element = getCache(cacheName).get(key);
return element==null?null:element.getObjectValue();
}


/**
* 写入缓存
* @param cacheName
* @param key
* @param value
*/
public static void put(String cacheName, String key, Object value) {
Element element = new Element(key, value);
getCache(cacheName).put(element);
}


/**
* 从缓存中移除
* @param cacheName
* @param key
*/
public static void remove(String cacheName, String key) {
getCache(cacheName).remove(key);
}

/**
* 获得一个Cache，没有则创建一个。
* @param cacheName
* @return
*/
private static Cache getCache(String cacheName){
Cache cache = cacheManager.getCache(cacheName);
if (cache == null){
cacheManager.addCache(cacheName);
cache = cacheManager.getCache(cacheName);
cache.getCacheConfiguration().setEternal(true);
}
return cache;
}


public static CacheManager getCacheManager() {
return cacheManager;
}

}