/*
* 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.core.workflow;
import static com.google.common.base.Preconditions.checkNotNull;
import java.util.Set;
import fr.ens.biologie.genomique.eoulsan.data.DataMetadata;
/**
* This class define an unmodifiable class for metadata of data objects.
* @since 2.0
* @author Laurent Jourdren
*/
class UnmodifiableDataMetadata extends AbstractDataMetadata {
private static final long serialVersionUID = 2773004152416176374L;
private final DataMetadata metadata;
@Override
public String get(final String key) {
return this.metadata.get(key);
}
@Override
public void set(final String key, final String value) {
throw new UnsupportedOperationException();
}
@Override
public boolean containsKey(final String key) {
return this.metadata.containsKey(key);
}
@Override
public boolean removeKey(final String key) {
throw new UnsupportedOperationException();
}
@Override
public void set(final DataMetadata metadata) {
throw new UnsupportedOperationException();
}
@Override
public void clear() {
throw new UnsupportedOperationException();
}
@Override
public Set<String> keySet() {
return this.metadata.keySet();
}
@Override
public String toString() {
return this.metadata.toString();
}
/**
* Get the AbstractData object wrapped by this object.
* @return the AbstractData object wrapped by this object
*/
DataMetadata getMetaData() {
DataMetadata metadata = this;
do {
metadata = ((UnmodifiableDataMetadata) metadata).metadata;
} while (metadata instanceof UnmodifiableDataMetadata);
return metadata;
}
//
// Constructor
//
/**
* Constructor.
* @param metadata the DataMetadata object to wrap
*/
UnmodifiableDataMetadata(final DataMetadata metadata) {
checkNotNull(metadata, "metadata argument cannot be null");
this.metadata = metadata;
}
}