/*
* Eoulsan development code
*
* This code may be freely distributed and modified under the
* terms of the GNU Lesser General Public License version 2.1 or
* later and CeCILL-C. This should be distributed with the code.
* If you do not have a copy, see:
*
* http://www.gnu.org/licenses/lgpl-2.1.txt
* http://www.cecill.info/licences/Licence_CeCILL-C_V1-en.txt
*
* Copyright for this code is held jointly by the Genomic platform
* of the Institut de Biologie de l'École normale supérieure and
* the individual authors. These should be listed in @author doc
* comments.
*
* For more information on the Eoulsan project and its aims,
* or to join the Eoulsan Google group, visit the home page
* at:
*
* http://outils.genomique.biologie.ens.fr/eoulsan
*
*/
package fr.ens.biologie.genomique.eoulsan.util;
import java.util.Set;
/**
* This class implements a reporter class like Counter class in Hadoop
* framework.
* @since 1.0
* @author Laurent Jourdren
*/
public interface Reporter extends ReporterIncrementer {
/**
* Get the value of a counter.
* @param counterGroup the group of the counter
* @param counter the counter name
* @return the value of the counter or -1 if the counter does not exists
*/
long getCounterValue(String counterGroup, String counter);
/**
* Get a list of counter groups
* @return a unmodifiable list of the counter groups
*/
Set<String> getCounterGroups();
/**
* Get the names of the counter of a counter group.
* @param counterGroup the group of the counter
* @return a unmodifiable list of the name of the counter of the groups or
* empty list if counter doesn't exist
*/
Set<String> getCounterNames(String counterGroup);
}