org.hibernate.envers.internal.entities.mapper.relation.lazy.initializor.SortedSetCollectionInitializor Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2013, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.envers.internal.entities.mapper.relation.lazy.initializor;
import java.lang.reflect.InvocationTargetException;
import java.util.Comparator;
import java.util.SortedSet;
import org.hibernate.envers.configuration.spi.AuditConfiguration;
import org.hibernate.envers.exception.AuditException;
import org.hibernate.envers.internal.entities.mapper.relation.MiddleComponentData;
import org.hibernate.envers.internal.entities.mapper.relation.query.RelationQueryGenerator;
import org.hibernate.envers.internal.reader.AuditReaderImplementor;
/**
* Initializes SortedSet collection with proper Comparator
*
* @author Michal Skowronek (mskowr at o2 dot pl)
*/
public class SortedSetCollectionInitializor extends BasicCollectionInitializor {
private final Comparator comparator;
public SortedSetCollectionInitializor(
AuditConfiguration verCfg, AuditReaderImplementor versionsReader,
RelationQueryGenerator queryGenerator, Object primaryKey, Number revision, boolean removed,
Class collectionClass, MiddleComponentData elementComponentData,
Comparator comparator) {
super(
verCfg,
versionsReader,
queryGenerator,
primaryKey,
revision,
removed,
collectionClass,
elementComponentData
);
this.comparator = comparator;
}
@Override
protected SortedSet initializeCollection(int size) {
if ( comparator == null ) {
return super.initializeCollection( size );
}
try {
return collectionClass.getConstructor( Comparator.class ).newInstance( comparator );
}
catch (InstantiationException e) {
throw new AuditException( e );
}
catch (IllegalAccessException e) {
throw new AuditException( e );
}
catch (NoSuchMethodException e) {
throw new AuditException( e );
}
catch (InvocationTargetException e) {
throw new AuditException( e );
}
}
}