EJB-JDO Integration - TellerHome.java by Gopalan Suresh Raj

EJB and JDO

Session EJB Facade to JDO Objects

Note

To work with any of these samples, you will need the following:
.........................................JDK 1.2 or higher (I use JDK 1.3.1)
.........................................PE:J^TM - The Productivity Environment for Java^TM (from HYWY Software Corporation)

Note: This article assumes that the reader has already created simple bank project using PE:J and JDO.

com\hywy\samples\ejb20\session\stateless\TellerHome.java

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/**
* The following example illustrates
* a Session Facade to a JDO object
*
* author: Gopalan Suresh Raj
* Copyright (c), 2002. All Rights Reserved.
* URL: https://gsraj.tripod.com/
* email: gopalan@gmx.net
*/

package com.hywy.samples.ejb20.session.stateless;

import java.rmi.RemoteException;
import javax.ejb.CreateException;
import javax.ejb.EJBHome;

/**
* This interface is the home interface for the TellerBean.java
*
* A home interface may support one or more create
* methods, which must correspond to methods named "ejbCreate" in the EJBean.
*
* @author Gopalan Suresh Raj.
*/
public interface TellerHome extends EJBHome {

  /**
   * This method corresponds to the ejbCreate method in the bean
   * "TellerBean.java".
   * The parameter sets of the two methods are identical. When the client calls
   * <code>TellerHome.create()</code>, the container
   * allocates an instance of the EJBean and calls <code>ejbCreate()</code>.
   *
   * @return                  Teller
   * @exception               RemoteException if there is
   *                          a communications or systems failure
   * @exception               CreateException
   *                          if there is a problem creating the bean
   * @see                     com.hywy.samples.ejb20.session.stateless.TellerBean
   */
  Teller create() throws CreateException, RemoteException;
}

Session EJB Facade to JDO Objects

Teller.java

TellerHome.java

TellerBean.java

Client.java

build.xml

application.xml

ejb-jar.xml

weblogic-ejb-jar.xml

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About the Author...

Gopalan Suresh Raj is a Software Architect, Developer and an active Author. He has co-authored a number of books including "Professional JMS", "Enterprise Java Computing-Applications and Architecture" and "The Awesome Power of JavaBeans". His expertise spans enterprise component architectures and distributed object computing. Visit him at his Web Cornucopia^© site (https://gsraj.tripod.com/) or mail him at gopalan@gmx.net.

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Last Updated : Feb 26, 2002

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