userchangedlistener.java

ACEGI数据库保存 ACEGI数据库保存 ACEGI数据库保存

/*
 * Copyright 2005-2010 the original author or authors.
 * 
 *      http://www.skyon.com.cn
 *
 * Project cardAssistant
 */
package com.skyon.um.security.acegi.intercept.event;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.util.Assert;

import com.skyon.um.security.acegi.providers.dao.FlushableUserCache;

/**
 * @since 2005-11-4
 * @author 王政
 * @version $Id: UserChangedListener.java,v 1.1 2005/11/04 15:55:06 wangzheng Exp $
 */
public class UserChangedListener implements ApplicationListener,
		InitializingBean {
	
	private static final Log logger = LogFactory.getLog(UserChangedListener.class);
	
	private FlushableUserCache userCache;
	
	
	public void onApplicationEvent(ApplicationEvent event) {
        if (! UserChangedEvent.class.isInstance(event)) {
            return;
        }
        
        logger.info(" 监听到 " + UserChangedListener.class + " , 开始重新读取用户数据... ");
        getUserCache().flushCache();
        logger.info(" 成功重新读取用户数据 ! ");
	}

	public void afterPropertiesSet() throws Exception {
		Assert.notNull(getUserCache(), " userCache is required. ");
	}

	/**
	 * @return Returns the userCache.
	 */
	public FlushableUserCache getUserCache() {
		return userCache;
	}

	/**
	 * @param userCache The userCache to set.
	 */
	public void setUserCache(FlushableUserCache flushableUserCache) {
		this.userCache = flushableUserCache;
	}
	
	
	
}