ThreadIndexUpdating.java :  » Search-Engine » Lius-0.4 » ca » ulaval » bibl » lius » ThreadAction » Java Open Source

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Lius 0.4 » ca » ulaval » bibl » lius » ThreadAction » ThreadIndexUpdating.java
/*

 * LIUS - Lucene Index Update and Search
 * http://sourceforge.net/projects/lius/
 *
 * Copyright (c) 2005, Laval University Library.  All rights reserved.
 * 
 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

package ca.ulaval.bibl.lius.ThreadAction;

import java.io.IOException;

import org.apache.log4j.Logger;
import org.apache.lucene.index.Term;

import ca.ulaval.bibl.lius.Exception.LiusException;
import ca.ulaval.bibl.lius.Lucene.LuceneActions;

/**
 * 
 * Classe utilisant des threads pour mettre  jour des documents dans l'index.
 * 
 * <br/><br/>
 * 
 * Class using threads for updating documents in index.
 * 
 * 
 * 
 * @author Rida Benjelloun (rida.benjelloun@bibl.ulaval.ca)
 *  
 */

public class ThreadIndexUpdating

extends Thread {

  static Logger logger = Logger.getRootLogger();

  private String dir = "";

  private String field = "";

  private String content = "";

  private String fileToIndex = "";

  private String config = "";

  private Term term = null;

  private boolean populated = false;

  private boolean populatedWithTerm = false;

  public ThreadIndexUpdating(String dir, String field, String content,

  String fileToIndex, String config) {

    this.dir = dir;

    this.field = field;

    this.content = content;

    this.fileToIndex = fileToIndex;

    this.config = config;

    populated = true;

  }

  public ThreadIndexUpdating(String dir, Term term, String fileToIndex,

  String config) {

    this.dir = dir;

    this.term = term;

    this.fileToIndex = fileToIndex;

    this.config = config;

    boolean populatedWithTerm = true;

  }

  public void run() {

    if (populated == true) {

      try {

        LuceneActions.getSingletonInstance().updateDoc(dir, field,
            content,

            fileToIndex, config);

        try {

          Thread.sleep(1000);

        }

        catch (InterruptedException ex) {

          logger.error(ex.getMessage());

        }

      }

      catch (LiusException e) {

        logger.error(e.getMessage());

      }

      catch (IOException e) {

        logger.error(e.getMessage());

      }

    }

    else if (populatedWithTerm == true) {

      try {

        LuceneActions.getSingletonInstance().updateDoc(dir, term,
            fileToIndex,

            config);

        try {

          Thread.sleep(1000);

        }

        catch (InterruptedException ex) {

          logger.error(ex.getMessage());

        }

      }

      catch (LiusException e) {

        logger.error(e.getMessage());

      }

      catch (IOException e) {

        logger.error(e.getMessage());

      }

    }

  }

}
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