KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > objectweb > jorm > facility > naming > generator > LongGen


1 /**
2  * JORM: an implementation of a generic mapping system for persistent Java
3  * objects. Two mapping are supported: to RDBMS and to binary files.
4  * Copyright (C) 2001-2003 France Telecom R&D - INRIA
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 of the License, or (at your option) 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 USA
19  *
20  * Contact: jorm-team@objectweb.org
21  *
22  */
23
24 package org.objectweb.jorm.facility.naming.generator;
25
26 import org.objectweb.jorm.api.PException;
27 import org.objectweb.jorm.api.PClassMapping;
28
29 /**
30  * Provides a generator of long identifiers and ensures that allocated ones are
31  * never proposed again (allocation information is made persistent).
32  * @author P. Dechamboux
33  */
34 public interface LongGen {
35     /**
36     /**
37      * Generates a new long identifier.
38      * @return The new identifier.
39      */
40     long genId() throws PException;
41
42     long genId(Object JavaDoc conn) throws PException;
43 }
44
Popular Tags