Servlet HttpSessionActivationListener Arayüzü

Giriş

Şu satırı dahil ederiz

import javax.servlet.http.HttpSessionActivationListener;

Açıklaması şöyle

Objects that are bound to a session may listen to container events notifying them that sessions will be passivated and activated. A container that migrates sessions between VMs or persists sessions is required to notify all attributes bound to sessions implementing the HttpSessionActivationListener interface.

Örnek

Şöyle yaparız

import java.io.Serializable;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionActivationListener;

public class MyHttpSessionActivationListener implements HttpSessionActivationListener,
 Serializable {

  @Override
  public void sessionDidActivate(HttpSessionEvent event) {
    System.out.println("session activated");
  }

  @Override
  public void sessionWillPassivate(HttpSessionEvent event) {
    System.out.println("session passivated");
  }

}