01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.ejb.entity;
30:
31: import javax.ejb.EJBException;
32: import javax.ejb.EntityBean;
33: import javax.ejb.EntityContext;
34: import javax.ejb.RemoveException;
35:
36: /**
37: * Convenience class implementing the EntityBean methods as stubs.
38: */
39: abstract public class AbstractEntityBean implements EntityBean {
40: // the entity context
41: protected EntityContext _entityContext;
42:
43: /**
44: * Sets the entity context.
45: */
46: public void setEntityContext(EntityContext entityContext)
47: throws EJBException {
48: _entityContext = entityContext;
49: }
50:
51: /**
52: * Returns the entity context.
53: */
54: public EntityContext getEntityContext() {
55: return _entityContext;
56: }
57:
58: /**
59: * Unsets the entity context when it's taken out of use.
60: */
61: public void unsetEntityContext() throws EJBException {
62: _entityContext = null;
63: }
64:
65: /**
66: * Called when the entity bean is taken from the pool and bound to
67: * a specific underlying entity.
68: */
69: public void ejbActivate() throws EJBException {
70: }
71:
72: /**
73: * Called when the entity bean is about to be returned to the pool.
74: */
75: public void ejbPassivate() throws EJBException {
76: }
77:
78: /**
79: * Called to resynchronize the entity bean with the backing store.
80: */
81: public void ejbLoad() throws EJBException {
82: }
83:
84: /**
85: * Called to save any changes to the backing store
86: */
87: public void ejbStore() throws EJBException {
88: }
89:
90: public void ejbRemove() throws RemoveException {
91: }
92: }
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