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The core O/RM functionality as provided by Hibernate

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.loader;
import java.util.Map;

import org.hibernate.persister.entity.Loadable;

/**
 * EntityAliases that chooses the column names over the alias names.  This strategy is used
 * when the result-set mapping did not give specific aliases to use in extracting from the
 * result set.  We use the column names from the underlying persister.
 * 
 * @author max
 * @author Steve Ebersole
 */
public class ColumnEntityAliases extends DefaultEntityAliases {

	public ColumnEntityAliases(
			Map returnProperties,
			Loadable persister, 
			String suffix) {
		super( returnProperties, persister, suffix );
	}
	
	protected String[] getIdentifierAliases(Loadable persister, String suffix) {
		return persister.getIdentifierColumnNames();
	}
	
	protected String getDiscriminatorAlias(Loadable persister, String suffix) {
		return persister.getDiscriminatorColumnName();
	}
	
	protected String[] getPropertyAliases(Loadable persister, int j) {
		return persister.getPropertyColumnNames(j);
	}
}