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Java > Open Source Codes > org > objectweb > easybeans > tests > common > resources > EntityManagerTester


1 /**
2  * EasyBeans
3  * Copyright (C) 2006 Bull S.A.S.
4  * Contact: easybeans@objectweb.org
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19  * USA
20  *
21  * --------------------------------------------------------------------------
22  * $Id: EntityManagerTester.java 962 2006-07-27 14:24:55Z studzine $
23  * --------------------------------------------------------------------------
24  */
25 package org.objectweb.easybeans.tests.common.resources;
26
27 import javax.persistence.EntityManager;
28 import javax.persistence.PersistenceContext;
29
30 import org.objectweb.easybeans.tests.common.ejbs.entity.ebstore.EBStore;
31
32
33 /**
34  * EntityManager Tester.
35  * @author Eduardo Studzinski Estima de Castro
36  * @author Gisele Pinheiro Souza
37  *
38  */
39 public class EntityManagerTester {
40
41     /**
42      * Name.
43      */
44     public static final String JavaDoc NAME = "Toto2";
45
46     /**
47      * Entity Manager.
48      */
49     @PersistenceContext(unitName="testEntity00")
50     private EntityManager entityManager = null;
51
52     /**
53      * Default Constructor.
54      */
55     public EntityManagerTester(){
56
57     }
58
59     /**
60      * Tests an EntityFactoryManager access.
61      * @throws Exception if a problem occurs.
62      */
63     protected void access00() throws Exception JavaDoc{
64         checkInstance(entityManager, NAME);
65     }
66
67     /**
68      * Checks if an entity manager reference is working well.
69      * @param entityManager Entity Manager
70      * @param name row name
71      * @throws Exception if a problem occurs
72      */
73     public static void checkInstance(final EntityManager entityManager, final String JavaDoc name) throws Exception JavaDoc{
74         EBStore store = new EBStore();
75         store.setId(store.hashCode());
76         store.setName(name);
77         entityManager.persist(store);
78         entityManager.flush();
79
80         if (entityManager.find(EBStore.class, Integer.valueOf(store.hashCode())) == null){
81             throw new Exception JavaDoc("EBStore was created, but it wasn't found after the commit.");
82         }
83     }
84 }
85
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