package com.ruixin.common.utils;
import net.sf.ehcache.Cache;
import net.sf.ehcache.CacheManager;
import net.sf.ehcache.Element;
/**
* Cache工具类
*/
public class CacheUtils {
private static CacheManager cacheManager = ((CacheManager)SpringContextHolder.getBean("shiroCacheManager"));
/**
* 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;
}
}