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Java > Open Source Codes > org > jboss > test > cmp2 > lob > ValueHolderStateFactory


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * 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.cmp2.lob;
23
24 import org.jboss.ejb.plugins.cmp.jdbc.CMPFieldStateFactory;
25
26 /**
27  *
28  * @author <a HREF="mailto:alex@jboss.org">Alexey Loubyansky</a>
29  */
30 public class ValueHolderStateFactory
31    implements CMPFieldStateFactory
32 {
33    public Object JavaDoc getFieldState(Object JavaDoc fieldValue)
34    {
35       return fieldValue;
36    }
37
38    public boolean isStateValid(Object JavaDoc state, Object JavaDoc fieldValue)
39    {
40       boolean valid;
41       if(state == null && fieldValue != null
42          || state != null && fieldValue == null)
43       {
44          valid = false;
45       }
46       else
47       {
48          valid = (fieldValue == null ? true : !((ValueHolder)fieldValue).isDirty());
49       }
50       return valid;
51    }
52 }
53
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