01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jboss.test.idgen.ejb;
23:
24: import java.rmi.RemoteException;
25: import javax.ejb.*;
26: import javax.naming.*;
27:
28: import org.jboss.test.util.ejb.EntitySupport;
29:
30: /**
31: *
32: * @author Rickard Oberg
33: * @author $Author: dimitris@jboss.org $
34: * @version $Revision: 57211 $
35: */
36: public abstract class IdCounterBean extends EntitySupport {
37: long nextId;
38: long size;
39:
40: public long getNextValue() {
41: // Is sequence finished?
42: // If so start a new one
43:
44: if (nextId == (getCurrentValue() + size)) {
45: setCurrentValue(nextId);
46: }
47:
48: return nextId++;
49: }
50:
51: public abstract long getCurrentValue();
52:
53: public abstract void setCurrentValue(long current);
54:
55: public abstract String getName();
56:
57: public abstract void setName(String beanName);
58:
59: public void ejbLoad() throws RemoteException {
60: nextId = getCurrentValue();
61: }
62:
63: public void setEntityContext(EntityContext ctx)
64: throws RemoteException {
65: super .setEntityContext(ctx);
66:
67: try {
68: size = ((Long) new InitialContext()
69: .lookup("java:comp/env/size")).longValue();
70: } catch (Exception e) {
71: throw new EJBException(e);
72: }
73: }
74: }
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