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Java > Open Source Codes > org > objectweb > easybeans > deployment > annotations > metadata > interfaces > IPersistenceUnit


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: IPersistenceUnit.java 374 2006-04-21 08:21:21Z benoitf $
23  * --------------------------------------------------------------------------
24  */
25
26 package org.objectweb.easybeans.deployment.annotations.metadata.interfaces;
27
28 import org.objectweb.easybeans.deployment.annotations.impl.JavaxPersistenceUnit;
29
30 /**
31  * This interface represents methods which can be call on
32  * ClassAnnotationMetadata, MethodAnnotationMetadata and FieldAnnotationMetadata.<br>
33  * It manages &#64;{@link javax.persistence.PersistenceUnit} annotation.
34  * @author Florent Benoit
35  */
36 public interface IPersistenceUnit {
37
38     /**
39      * @return true if this field is used as a persistence unit.
40      */
41     boolean isPersistenceUnit();
42
43     /**
44      * @return the persistence unit infos.
45      */
46     JavaxPersistenceUnit getJavaxPersistenceUnit();
47
48     /**
49      * Sets the persistence unit info on this field.
50      * @param javaxPersistenceUnit information on persistence unit.
51      */
52     void setJavaxPersistenceUnit(JavaxPersistenceUnit javaxPersistenceUnit);
53
54 }
55
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