001 /*
002 * $RCSfile: CatalogTask.java,v $
003 *
004 * Created on September 30, 2002, 10:41 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 gov.bnl.star.offline.scheduler.CatalogQuery;
027 import gov.bnl.star.offline.scheduler.util.Task;
028 import java.net.URL;
029 import java.util.logging.Level;
030 import org.apache.log4j.Logger;
031
032 /**
033 * @deprecated please see gov.bnl.star.offline.scheduler.dataset.* for replacements.
034 *
035 * Task to solve a catalog query. These task don't have a timeout.
036 *
037 * @author Gabriele Carcassi
038 * @version $Revision: 1.10 $ $Date: 2006/11/21 00:41:31 $
039 */
040 public class CatalogTask extends Task {
041 static private Logger log = Logger.getLogger(CatalogTask.class.getName());
042
043 private CatalogQuery query;
044 private QueryResult result;
045 private Class catalogClass;
046
047 /** Creates a new task to execute the query. The catalogClass is there for
048 * future expansions.
049 * @param catalogClass the class of the catalog
050 * @param query the query
051 */
052 public CatalogTask(Class catalogClass, CatalogQuery query) {
053 this.catalogClass = catalogClass;
054 this.query = query;
055 }
056
057 public void run() {
058 try {
059 result = CatalogManager.executeQuery(query);
060 } catch (Exception e) {
061 log.error("Query execution failed", e);
062 exitStatus = -1;
063 }
064 }
065
066 /** Gets the result of the catalog query.
067 * @return null if no result is available
068 */
069 public QueryResult getResult() {
070 return result;
071 }
072
073 }