001    /*
002     * $RCSfile: StartLimitStrategy.java,v $
003     *
004     * Created on March 13, 2003, 10:34 AM
005     *
006     * This file is part of the STAR Scheduler.
007     * Copyright (c) 2002-2006 STAR Collaboration - Brookhaven National Laboratory
008     *
009     * STAR Scheduler is free software; you can redistribute it and/or modify
010     * it under the terms of the GNU General Public License as published by
011     * the Free Software Foundation; either version 2 of the License, or
012     * (at your option) any later version.
013     *
014     * STAR Scheduler is distributed in the hope that it will be useful,
015     * but WITHOUT ANY WARRANTY; without even the implied warranty of
016     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
017     * GNU General Public License for more details.
018     *
019     * You should have received a copy of the GNU General Public License
020     * along with STAR Scheduler; if not, write to the Free Software
021     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
022     */
023    
024    package gov.bnl.star.offline.scheduler.catalog;
025    
026    import java.util.Iterator;
027    import org.apache.log4j.Logger;
028    
029    /**@deprecated please see gov.bnl.star.offline.scheduler.dataset.* for replacements.
030     * @author Gabriele Carcassi & Pavel Jakl
031     * @version $Revision: 1.9 $ $Date: 2006/11/21 00:41:31 $
032     */
033    public class StartLimitStrategy implements QueryStrategy {
034        static private Logger log = Logger.getLogger(StartLimitStrategy.class.getName());
035    
036        public QueryResult resolveQuery(FileCatalog catalog, gov.bnl.star.offline.scheduler.CatalogQuery query) {
037            QueryResult result = new QueryResult();
038            int start = 0;
039            if (query.getStart() != null) start = query.getStart().intValue();
040            int limit = 100;
041            if (query.getLimit() != null) limit = query.getLimit().intValue();
042            Iterator iter = catalog.executeQuery(query.getQuery(), start, limit);
043            while (iter.hasNext()) {
044                PhysicalFile file = (PhysicalFile) iter.next();
045                result.add(file.getLogicalID(), file);
046                log.debug("Adding file : " + file);
047            }
048            return result;
049        }
050    
051    }