001    /**
002     * www.jcoverage.com
003     * Copyright (C)2003 jcoverage ltd.
004     *
005     * This file is part of jcoverage.
006     *
007     * jcoverage is free software; you can redistribute it and/or modify
008     * it under the terms of the GNU General Public License as published
009     * by the Free Software Foundation; either version 2 of the License,
010     * or (at your option) any later version.
011     *
012     * jcoverage is distributed in the hope that it will be useful, but
013     * WITHOUT ANY WARRANTY; without even the implied warranty of
014     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015     * General Public License for more details.
016     *
017     * You should have received a copy of the GNU General Public License
018     * along with jcoverage; if not, write to the Free Software
019     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
020     * USA
021     *
022     */
023    package com.jcoverage.coverage;
024    
025    import java.util.TimerTask;
026    
027    import org.apache.log4j.Logger;
028    
029    /**
030     * Timer task to save the instrumentation to disk.
031     */
032    class SaveInstrumentationTask extends TimerTask implements HasBeenInstrumented {
033      static final Logger logger=Logger.getLogger(SaveInstrumentationTask.class);
034    
035      final InstrumentationPersistence instrumentationPersistence;
036    
037      SaveInstrumentationTask(InstrumentationPersistence instrumentationPersistence) {
038        this.instrumentationPersistence=instrumentationPersistence;
039      }
040    
041      public void run() {
042        if(logger.isDebugEnabled()) {
043          logger.debug("save instrumentation task has started");
044        }
045    
046        instrumentationPersistence.saveInstrumentation();
047    
048        if(logger.isInfoEnabled()) {
049          logger.info("saved: "+instrumentationPersistence.keySet().size()+" items.");
050        }
051      }
052    }