01: /*
02: * JBoss, Home of Professional Open Source
03: * Copyright 2005, JBoss Inc., and individual contributors as indicated
04: * by the @authors tag. See the copyright.txt in the distribution for a
05: * 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.jbpm.context.exe.matcher;
23:
24: import org.apache.commons.logging.Log;
25: import org.apache.commons.logging.LogFactory;
26: import org.hibernate.SessionFactory;
27: import org.hibernate.metadata.ClassMetadata;
28: import org.hibernate.proxy.HibernateProxy;
29: import org.hibernate.type.StringType;
30: import org.jbpm.JbpmContext;
31: import org.jbpm.context.exe.JbpmTypeMatcher;
32:
33: public class HibernateStringIdMatcher implements JbpmTypeMatcher {
34:
35: private static final long serialVersionUID = 1L;
36:
37: public boolean matches(Object value) {
38: boolean matches = false;
39: JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext();
40: if (jbpmContext != null) {
41:
42: Class valueClass = value.getClass();
43: if (value instanceof HibernateProxy) {
44: valueClass = valueClass.getSuperclass();
45: }
46:
47: SessionFactory sessionFactory = jbpmContext
48: .getSessionFactory();
49: if (sessionFactory != null) {
50: ClassMetadata classMetadata = sessionFactory
51: .getClassMetadata(valueClass);
52: matches = ((classMetadata != null) && (classMetadata
53: .getIdentifierType().getClass() == StringType.class));
54: }
55: } else {
56: log
57: .debug("no current context so valueClass cannot be stored as a string-id-ref to a hibernate object");
58: matches = false;
59: }
60: return matches;
61: }
62:
63: private static Log log = LogFactory
64: .getLog(HibernateStringIdMatcher.class);
65: }
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