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* Hibernate, Relational Persistence for Idiomatic Java
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* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
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* indicated by the @author tags or express copyright attribution
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* statements applied by the authors. All third-party contributions are
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* distributed under license by Red Hat Middleware LLC.
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* This copyrighted material is made available to anyone wishing to use, modify,
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* copy, or redistribute it subject to the terms and conditions of the GNU
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* Lesser General Public License, as published by the Free Software Foundation.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* You should have received a copy of the GNU Lesser General Public License
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* along with this distribution; if not, write to:
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* Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02110-1301 USA
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package org.hibernate.mapping;
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import java.util.Iterator;
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import org.hibernate.MappingException;
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import org.hibernate.engine.Mapping;
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* A subclass in a table-per-concrete-class mapping
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public class UnionSubclass extends Subclass implements TableOwner {
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public UnionSubclass(PersistentClass superclass) {
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public Table getTable() {
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public void setTable(Table table) {
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getSuperclass().addSubclassTable(table);
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public java.util.Set getSynchronizedTables() {
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return synchronizedTables;
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protected Iterator getNonDuplicatedPropertyIterator() {
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return getPropertyClosureIterator();
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public void validate(Mapping mapping) throws MappingException {
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super.validate(mapping);
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if ( key!=null && !key.isValid(mapping) ) {
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throw new MappingException(
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"subclass key mapping has wrong number of columns: " +
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key.getType().getName()
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public Table getIdentityTable() {
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public Object accept(PersistentClassVisitor mv) {
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return mv.accept(this);