import javax.ejb.*;
import javax.jms.*;

public class LogBean implements MessageDrivenBean,MessageListener {

/** 初始化MDB实例**/
public void setMessageDrivenContext(MessageDrivenContext ctx){
  this.ctx = ctx;
}

public void ejbCreate(){
System.out.println("ejbCreate()");
}
/** 业务方法 **/
public void onMessage(Message msg){
if(msg instanceOf TextMessage){
  TextMessage tm = (TextMessage)msg;
  try{
   String text = tm.getText();
   System.out.println(" Received new message :" + text);
}catch(JMSException e ){
  e.printStackTrace();
}
}

/** 销毁MDB实例 **/
public void ejbRemove(){
System.err.println("ejbRemove()");
}

}