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/*
 *
 * The DbUnit Database Testing Framework
 * Copyright (C)2005, DbUnit.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
package org.dbunit.database.search;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.SortedSet;

import org.dbunit.database.IDatabaseConnection;

import org.dbunit.util.search.SearchException;

/**
 * ISearchCallback implementation that get the nodes using both direct and reverse 
 * foreign key dependency, i.e, if table C has a FK for a table A and table A has 
 * a FK for a table B, then getNodes(A) will return B and C.
 * 
 * @author Felipe Leme ([email protected])
 * @version $Revision$
 * @since Aug 25, 2005
 */
public class ImportedAndExportedKeysSearchCallback extends AbstractMetaDataBasedSearchCallback 
{

    /**
	 * Logger for this class
	 */
	private static final Logger	logger = LoggerFactory.getLogger(ImportedAndExportedKeysSearchCallback.class);

	public ImportedAndExportedKeysSearchCallback(IDatabaseConnection connection)
	{
		super(connection);
	}

	public SortedSet getEdges(Object node) throws SearchException
	{
		logger.debug("getEdges(node={}) - start", node);
		return getNodesFromImportAndExportKeys(node);
	}

}