001 /*
002 * $RCSfile: QueryResultToolkit.java,v $
003 *
004 * Created on April 2, 2006, 4:52 PM
005 *
006 * This file is part of the STAR Scheduler.
007 * Copyright (c) 2002-2003 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.policy;
025
026 import gov.bnl.star.offline.scheduler.catalog.PhysicalFile;
027 import gov.bnl.star.offline.scheduler.catalog.QueryResult;
028 import java.util.*;
029
030 /**
031 *
032 * @author Gabriele Carcassi
033 * @version $Revision: 1.6 $ $Date: 2006/11/21 00:41:31 $
034 */
035 public class QueryResultToolkit {
036
037 private QueryResultToolkit() {
038 }
039
040 public static List getFilesOnOneLocation(QueryResult fileList){
041 List singleCopy = new ArrayList();
042 Set files = fileList.getLogicalNames();
043 Iterator iter = files.iterator();
044 while (iter.hasNext()) {
045 Object file = iter.next();
046 List copies = fileList.getCopies(file);
047 if (copies.size() == 1)
048 singleCopy.add(file);
049 }
050 return singleCopy;
051 }
052
053 public static List getFileOnLocation(QueryResult fileList, Location location) {
054 List locationCopies = new ArrayList();
055 Set files = fileList.getLogicalNames();
056 Iterator iter = files.iterator();
057 while (iter.hasNext()) {
058 Object file = iter.next();
059 List copies = fileList.getCopies(file);
060 Iterator iter2 = copies.iterator();
061 while (iter2.hasNext()) {
062 PhysicalFile copy = (PhysicalFile) iter2.next();
063 if (Location.getLocation(copy.asURL()).equals(location)) {
064 locationCopies.add(file);
065 }
066 }
067 }
068 return locationCopies;
069 }
070
071 }