import java.rmi.*;
import javax.ejb.*;

public interface HelloWorldCMP extends EJBObject {
  public String getLanguage() throws RemoteException;
  public void setLanguage(String language) throws RemoteException;
  
  public String getMessage() throws RemoteException;
  public void setMessage(String message) throws RemoteException;
}

import java.rmi.*;
import javax.ejb.*;

public interface HelloWorldCMPHome extends EJBHome {
  public HelloWorldCMP create(Integer no)  
      throws RemoteException, CreateException;
  
  public HelloWorldCMP findByPrimaryKey(Integer primaryKey) 
      throws RemoteException, FinderException;
}

import java.rmi.*;
import javax.ejb.*;

public class HelloWorldCMPBean implements EntityBean {
  EntityContext ctx;
  public Integer no;
  public String language;
  public String message;
  
  public String getLanguage() {
    return language;
  }
  public void setLanguage(String language) {
    this.language = language;
  }
  public String getMessage() {
    return message;
  }
  public void setMessage(String message) {
    this.message = message;
  }
  public Integer ejbCreate(Integer no) 
      throws RemoteException, CreateException, RemoteException {
    this.no = no;
    return null;
  }
  public void ejbPostCreate(Integer no) throws CreateException, RemoteException {
  }
  public void ejbLoad() throws RemoteException {
  }
  public void ejbStore() throws RemoteException {
  }
  public void ejbRemove() throws RemoveException, RemoteException {
  }
  public void ejbActivate() throws RemoteException {
  }
  public void ejbPassivate() throws RemoteException {
  }
  public void setEntityContext(EntityContext ctx) throws RemoteException {
    this.ctx = ctx;
  }
  public void unsetEntityContext() throws RemoteException {
    ctx = null;
  }
}

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;
import javax.ejb.*;

public class HelloWorldCMPClient {
  public static void main(String[] args) {
    try {
      // ネーミングコンテキストの取得
      Context initial = new InitialContext();
      // JNDI名のルックアップ
      HelloWorldCMPHome home = 
    (HelloWorldCMPHome)PortableRemoteObject.
                         narrow(initial.lookup("HelloWorldCMP"), 
                                HelloWorldCMPHome.class);
      
      HelloWorldCMP hello;
      try {
        // １行目作成
        hello = home.create(new Integer(1));
        hello.setLanguage("日本語");
        hello.setMessage("こんにちは　世界");
        // ２行目作成
        hello = home.create(new Integer(2));
        hello.setLanguage("英語");
        hello.setMessage("Hello World");
        
      } catch (DuplicateKeyException ex) {
        System.out.println(ex.toString());
      }
      // noが1のものを検索
      hello = home.findByPrimaryKey(new Integer(1));
      System.out.println(hello.getLanguage() + " " + hello.getMessage());
      
      // noが2のものを検索
      hello = home.findByPrimaryKey(new Integer(2));
      System.out.println(hello.getLanguage() + " " + hello.getMessage());
      
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}

C:\作業フォルダ\JavaHello>

C:\作業フォルダ\EntityBean>java HelloWorldCMPClient
日本語 こんにちは　世界
英語 Hello World

C:\作業フォルダ\EntityBean>