org.hibernate.cache.internal.CacheDataDescriptionImpl Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008-2011, 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.cache.internal;
import java.util.Comparator;
import org.hibernate.cache.spi.CacheDataDescription;
import org.hibernate.mapping.Collection;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.metamodel.binding.EntityBinding;
import org.hibernate.metamodel.binding.PluralAttributeBinding;
import org.hibernate.persister.entity.EntityPersister;
import org.hibernate.type.VersionType;
/**
* @author Steve Ebersole
*/
public class CacheDataDescriptionImpl implements CacheDataDescription {
private final boolean mutable;
private final boolean versioned;
private final Comparator versionComparator;
public CacheDataDescriptionImpl(boolean mutable, boolean versioned, Comparator versionComparator) {
this.mutable = mutable;
this.versioned = versioned;
this.versionComparator = versionComparator;
}
public boolean isMutable() {
return mutable;
}
public boolean isVersioned() {
return versioned;
}
public Comparator getVersionComparator() {
return versionComparator;
}
public static CacheDataDescriptionImpl decode(PersistentClass model) {
return new CacheDataDescriptionImpl(
model.isMutable(),
model.isVersioned(),
model.isVersioned() ? ( ( VersionType ) model.getVersion().getType() ).getComparator() : null
);
}
public static CacheDataDescriptionImpl decode(EntityBinding model) {
return new CacheDataDescriptionImpl(
model.isMutable(),
model.isVersioned(),
getVersionComparator( model )
);
}
public static CacheDataDescriptionImpl decode(Collection model) {
return new CacheDataDescriptionImpl(
model.isMutable(),
model.getOwner().isVersioned(),
model.getOwner().isVersioned() ? ( ( VersionType ) model.getOwner().getVersion().getType() ).getComparator() : null
);
}
public static CacheDataDescriptionImpl decode(PluralAttributeBinding model) {
return new CacheDataDescriptionImpl(
model.isMutable(),
model.getContainer().seekEntityBinding().isVersioned(),
getVersionComparator( model.getContainer().seekEntityBinding() )
);
}
public static CacheDataDescriptionImpl decode(EntityPersister persister) {
return new CacheDataDescriptionImpl(
!persister.getEntityMetamodel().hasImmutableNaturalId(),
false,
null
);
}
private static Comparator getVersionComparator(EntityBinding model ) {
Comparator versionComparator = null;
if ( model.isVersioned() ) {
versionComparator = (
( VersionType ) model.getHierarchyDetails()
.getVersioningAttributeBinding()
.getHibernateTypeDescriptor()
.getResolvedTypeMapping()
).getComparator();
}
return versionComparator;
}
}