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Hibernate O/RM implementation of the Jakarta Persistence specification

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or .
 */
package org.hibernate.loader;
import java.util.Arrays;
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) {
		String[] propertyColumnNames = persister.getPropertyColumnNames(j);
		if ( propertyColumnNames.length == 1 && propertyColumnNames[0] == null ) {
			return new String[]{ persister.getPropertyNames()[j] };
		}
		return propertyColumnNames;
	}
}