java OSCache Util

来源：互联网发布：房屋设计软件手机版编辑：程序博客网时间：2024/06/18 14:00
package com.ianyours.common.cache;import java.util.Date;import com.opensymphony.oscache.base.NeedsRefreshException;import com.opensymphony.oscache.general.GeneralCacheAdministrator;public class OSCacheBase extends GeneralCacheAdministrator {private static final long serialVersionUID = -4397192926052141162L;private String keyPrefix; //关键字前缀字符，区别属于哪个模块private int refreshPeriod; //过期时间(单位为秒);             public OSCacheBase(String keyPrefix,int refreshPeriod){            super();            this.keyPrefix = keyPrefix;            this.refreshPeriod = refreshPeriod;        }        /**     *          * put(添加被缓存的对象)     * @param key     * @param value      * @return void     * @createDate 2013-1-31 下午04:16:46     * @since  1.0.0     */    public void put(String key,Object value){            this.putInCache(this.keyPrefix+"_"+key,value);        }        /**     * remove(删除被缓存的对象)     * @param key      * @return void     * @createDate 2013-1-31 下午04:17:06     * @since  1.0.0     */    public void remove(String key){            this.flushEntry(this.keyPrefix+"_"+key);        }        /**     * removeAll(删除指定日期所有被缓存的对象)     * @param date      * @return void     * @createDate 2013-1-31 下午04:17:29     * @since  1.0.0     */    public void removeAll(Date date){            this.flushAll(date);        }               /**     * removeAll(删除所有被缓存的对象)      * @return void     * @createDate 2013-1-31 下午04:18:01     * @since  1.0.0     */    public void removeAll(){            this.flushAll();        }        /**     * get(获取被缓存的对象)     * @param key     * @return     * @throws Exception      * @return Object     * @createDate 2013-1-31 下午04:18:45     * @since  1.0.0     */    public Object get(String key){            try{                return this.getFromCache(this.keyPrefix+"_"+key,this.refreshPeriod);            } catch (NeedsRefreshException e) {                this.cancelUpdate(this.keyPrefix+"_"+key);            }              return null;    }            }
0 0