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: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.ejb;
31:
32: import javax.ejb.EntityBean;
33: import javax.ejb.EntityContext;
34: import javax.ejb.EJBException;
35: import javax.ejb.RemoveException;
36:
37: /**
38: * Convenience class implementing the EntityBean methods as stubs.
39: */
40: abstract public class AbstractEntityBean implements EntityBean {
41: // the entity context
42: protected EntityContext _entityContext;
43:
44: /**
45: * Sets the entity context.
46: */
47: public void setEntityContext(EntityContext entityContext)
48: throws EJBException {
49: _entityContext = entityContext;
50: }
51:
52: /**
53: * Returns the entity context.
54: */
55: public EntityContext getEntityContext() {
56: return _entityContext;
57: }
58:
59: /**
60: * Unsets the entity context when it's taken out of use.
61: */
62: public void unsetEntityContext() throws EJBException {
63: _entityContext = null;
64: }
65:
66: /**
67: * Called when the entity bean is taken from the pool and bound to
68: * a specific underlying entity.
69: */
70: public void ejbActivate() throws EJBException {
71: }
72:
73: /**
74: * Called when the entity bean is about to be returned to the pool.
75: */
76: public void ejbPassivate() throws EJBException {
77: }
78:
79: /**
80: * Called to resynchronize the entity bean with the backing store.
81: */
82: public void ejbLoad() throws EJBException {
83: }
84:
85: /**
86: * Called to save any changes to the backing store
87: */
88: public void ejbStore() throws EJBException {
89: }
90:
91: public void ejbRemove() throws RemoveException {
92: }
93: }
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