| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.sample.expenses.server.domain; |
| |
| import javax.persistence.EntityManagerFactory; |
| import javax.persistence.Persistence; |
| |
| /** |
| * Factory for creating EntityManager. |
| */ |
| public final class EMF { |
| private static final EntityManagerFactory emfInstance = |
| Persistence.createEntityManagerFactory("transactions-optional"); |
| |
| public static EntityManagerFactory get() { |
| return emfInstance; |
| } |
| |
| private EMF() { |
| // nothing |
| } |
| } |
| |