HttpSessionActivationListener接口 学习笔记

<Manager className="org.apache.catalina.session.PersistentManager" maxIdleSwap="1">
<Store className="org.apache.catalina.session.FileStore" directory="itcast"/>
</Manager>
</Context>
注意：/META-INF/context.xml

package cn.vote.domain;

import javax.servlet.http.HttpSessionActivationListener;
import javax.servlet.http.HttpSessionEvent;

/** JavaBean对象，感知自已何时被钝化，何时被激活，由Web容器决定 */
public class Student implements HttpSessionActivationListener {
    private String username;

    public Student() {
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public void sessionDidActivate(HttpSessionEvent se) {
    }

    public void sessionWillPassivate(HttpSessionEvent se) {
    }
}

HttpSessionActivationListener接口 学习笔记

原文：http://blog.51cto.com/357712148/2105801