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.ejb.plugins.cmp.jdbc;
23:
24: import org.jboss.ejb.EntityEnterpriseContext;
25: import org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCEntityBridge;
26:
27: /**
28: * CMPStoreManager JDBCActivateEntityCommand
29: *
30: * @author <a href="mailto:dain@daingroup.com">Dain Sundstrom</a>
31: * @version $Revision: 57209 $
32: */
33: public final class JDBCInitEntityCommand {
34: private final JDBCEntityBridge entity;
35:
36: public JDBCInitEntityCommand(JDBCStoreManager manager) {
37: entity = (JDBCEntityBridge) manager.getEntityBridge();
38: }
39:
40: /**
41: * Called before ejbCreate. In the JDBCStoreManager we need to
42: * initialize the presistence context. The persistence context is where
43: * where bean data is stored. If CMP 1.x, original values are store
44: * and for CMP 2.x actual values are stored int the context. Then we
45: * initialize the data. In CMP 1.x fields are reset to Java defaults, and
46: * in CMP 2.x current value in persistence store are initialized.
47: *
48: * Note: persistence context is also initialized in activate.
49: */
50: public void execute(EntityEnterpriseContext ctx) {
51: entity.initPersistenceContext(ctx);
52: entity.initInstance(ctx);
53: }
54: }
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