/*
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* JBoss, Home of Professional Open Source
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
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* by the @authors tag. See the copyright.txt in the distribution for a
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* full listing of individual contributors.
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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*/
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package org.jbpm.pvm.internal.type.matcher;
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import org.hibernate.SessionFactory;
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import org.hibernate.metadata.ClassMetadata;
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import org.hibernate.type.Type;
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import org.jbpm.internal.log.Log;
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import org.jbpm.pvm.internal.env.EnvironmentImpl;
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import org.jbpm.pvm.internal.type.Matcher;
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/**
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* @author Tom Baeyens
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*/
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public abstract class HibernateIdMatcher implements Matcher {
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private static final long serialVersionUID = 1L;
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private static Log log = Log.getLog(HibernateIdMatcher.class.getName());
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String hibernateSessionFactoryName;
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public HibernateIdMatcher(String hibernateSessionFactoryName) {
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this.hibernateSessionFactoryName = hibernateSessionFactoryName;
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}
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protected abstract Class<? extends Type> getIdType();
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public boolean matches(String name, Object value) {
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boolean matches = false;
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EnvironmentImpl environment = EnvironmentImpl.getCurrent();
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if (environment!=null) {
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SessionFactory sessionFactory = null;
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if (hibernateSessionFactoryName!=null) {
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sessionFactory = (SessionFactory) environment.get(hibernateSessionFactoryName);
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} else {
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sessionFactory = environment.get(SessionFactory.class);
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}
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if (sessionFactory!=null) {
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ClassMetadata classMetadata = sessionFactory.getClassMetadata(value.getClass());
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matches = ( (classMetadata!=null)
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&& (classMetadata.getIdentifierType().getClass()==getIdType())
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);
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}
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} else {
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log.trace("no current environment so valueClass cannot be stored as an id-ref to a hibernate object");
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matches = false;
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}
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return matches;
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}
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public String getHibernateSessionFactoryName() {
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return hibernateSessionFactoryName;
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}
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public void setHibernateSessionFactoryName(String hibernateSessionFactoryName) {
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this.hibernateSessionFactoryName = hibernateSessionFactoryName;
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}
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}
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