01: package org.mandarax.util.xmlser;
02:
03: /*
04: * Copyright (C) 1999-2004 <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</a>
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2 of the License, or (at your option) any later version.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19: */
20:
21: import java.beans.*;
22: import org.mandarax.kernel.*;
23:
24: /**
25: * Persistence delegate for rules.
26: * Used mainly to support object creation by the logic factory.
27: * @see org.mandarax.kernel.LogicFactory
28: * @author <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</a>
29: * @version 3.4 <7 March 05>
30: * @since 2.3.1
31: */
32:
33: public class PersistenceDelegate4Queries extends PersistenceDelegate {
34: /**
35: * Return an expression to build the object.
36: * @param oldInstance the object to encode
37: * @param encoder the encoder
38: */
39: public Expression instantiate(Object oldInstance, Encoder out) {
40: Query q = (Query) oldInstance;
41: return new Expression(oldInstance, LogicFactory
42: .getDefaultFactory(), "createQuery", new Object[] {
43: q.getFacts(), q.getName() });
44: }
45: }
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