/*
* 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.data.protocols;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Multimaps;
import fr.ens.biologie.genomique.eoulsan.EoulsanRuntime;
import fr.ens.biologie.genomique.eoulsan.annotations.ExecutionMode;
import fr.ens.biologie.genomique.eoulsan.util.ServiceNameLoader;
/**
* This class define a service to retrieve a DataProtocol.
* @since 1.0
* @author Laurent Jourdren
*/
public class DataProtocolService extends ServiceNameLoader<DataProtocol> {
private static DataProtocolService service;
private final FileDataProtocol defaultProtocol = new FileDataProtocol();
private final String defaultProtocolName = this.defaultProtocol.getName();
//
// Static method
//
/**
* Retrieve the singleton static instance of DataProtocolService.
* @return A DataProtocol instance
*/
public static synchronized DataProtocolService getInstance() {
if (service == null) {
service = new DataProtocolService();
}
return service;
}
//
// Instance methods
//
@Override
protected boolean isCache() {
return true;
}
/**
* Get the default protocol.
* @return the default DataProtocol
*/
public FileDataProtocol getDefaultProtocol() {
return this.defaultProtocol;
}
@Override
public DataProtocol newService(final String serviceName) {
if (serviceName == null) {
return null;
}
final String lower = serviceName.trim().toLowerCase();
if (lower.equals(this.defaultProtocolName)) {
return this.defaultProtocol;
}
return super.newService(serviceName);
}
@Override
public ListMultimap<String, String> getServiceClasses() {
final ListMultimap<String, String> result =
ArrayListMultimap.create(super.getServiceClasses());
result.put(this.defaultProtocolName,
this.defaultProtocol.getClass().getName());
return Multimaps.unmodifiableListMultimap(result);
}
@Override
public boolean isService(final String serviceName) {
if (serviceName == null) {
return false;
}
final String lower = serviceName.trim().toLowerCase();
if (lower.equals(this.defaultProtocolName)) {
return true;
}
return super.isService(serviceName);
}
//
// Protected methods
//
@Override
protected boolean accept(final Class<?> clazz) {
return ExecutionMode.accept(clazz,
EoulsanRuntime.getRuntime().getMode().isHadoopProtocolMode());
}
@Override
protected String getMethodName() {
return "getName";
}
//
// Constructor
//
/**
* Private protocol.
*/
private DataProtocolService() {
super(DataProtocol.class);
}
}