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CustomerDAOBean.javaAPI DocJBoss 4.2.11971Fri Jul 13 20:54:54 BST 2007org.jboss.tutorial.merge.bean

CustomerDAOBean.java

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2006, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.tutorial.merge.bean;

import java.util.List;
import javax.ejb.Remote;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

@Stateless
@Remote(CustomerDAO.class)
public class CustomerDAOBean implements CustomerDAO
{
   @PersistenceContext
   private EntityManager manager;


   public int create(String first, String last, String street, String city, String state, String zip)
   {
      Customer customer = new Customer(first, last, street, city, state, zip);
      manager.persist(customer);
      return customer.getId();
   }

   public Customer find(int id)
   {
      return manager.find(Customer.class, id);
   }

   public List findByLastName(String name)
   {
      return manager.createQuery("from Customer c where c.last = :name").setParameter("name", name).getResultList();
   }

   public void merge(Customer c)
   {
      manager.merge(c);
   }
}