org.hibernate.envers.entities.mapper.relation.lazy.initializor.SortedMapCollectionInitializor Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.entities.mapper.relation.lazy.initializor;
import org.hibernate.envers.configuration.AuditConfiguration;
import org.hibernate.envers.entities.mapper.relation.MiddleComponentData;
import org.hibernate.envers.entities.mapper.relation.query.RelationQueryGenerator;
import org.hibernate.envers.exception.AuditException;
import org.hibernate.envers.reader.AuditReaderImplementor;
import java.lang.reflect.InvocationTargetException;
import java.util.Comparator;
import java.util.SortedMap;
/**
* Initializes SortedMap collection with proper Comparator
*
* @author Michal Skowronek (mskowr at o2 dot pl)
*/
public class SortedMapCollectionInitializor extends MapCollectionInitializor {
private final Comparator comparator;
public SortedMapCollectionInitializor(AuditConfiguration verCfg,
AuditReaderImplementor versionsReader,
RelationQueryGenerator queryGenerator,
Object primaryKey, Number revision,
Class collectionClass,
MiddleComponentData elementComponentData,
MiddleComponentData indexComponentData, Comparator comparator) {
super(verCfg, versionsReader, queryGenerator, primaryKey, revision, collectionClass, elementComponentData, indexComponentData);
this.comparator = comparator;
}
protected SortedMap 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);
}
}
}