/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 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.metamodel.source.annotations.entity;
import org.hibernate.AssertionFailure;
import org.hibernate.EntityMode;
import org.hibernate.cfg.NotYetImplementedException;
import org.hibernate.engine.OptimisticLockStyle;
import org.hibernate.metamodel.binding.Caching;
import org.hibernate.metamodel.source.annotations.attribute.BasicAttribute;
import org.hibernate.metamodel.source.annotations.attribute.DiscriminatorSourceImpl;
import org.hibernate.metamodel.source.annotations.attribute.SimpleIdentifierSourceImpl;
import org.hibernate.metamodel.source.annotations.attribute.SingularAttributeSourceImpl;
import org.hibernate.metamodel.source.binder.DiscriminatorSource;
import org.hibernate.metamodel.source.binder.IdentifierSource;
import org.hibernate.metamodel.source.binder.RootEntitySource;
import org.hibernate.metamodel.source.binder.SingularAttributeSource;
/**
* @author Hardy Ferentschik
*/
public class RootEntitySourceImpl extends EntitySourceImpl implements RootEntitySource {
public RootEntitySourceImpl(EntityClass entityClass) {
super( entityClass );
}
@Override
public IdentifierSource getIdentifierSource() {
IdType idType = getEntityClass().getIdType();
switch ( idType ) {
case SIMPLE: {
BasicAttribute attribute = getEntityClass().getIdAttributes().iterator().next();
return new SimpleIdentifierSourceImpl( attribute, getEntityClass().getAttributeOverrideMap() );
}
case COMPOSED: {
throw new NotYetImplementedException( "Composed ids must still be implemented." );
}
case EMBEDDED: {
throw new NotYetImplementedException( "Embedded ids must still be implemented." );
}
default: {
throw new AssertionFailure( "The root entity needs to specify an identifier" );
}
}
}
@Override
public SingularAttributeSource getVersioningAttributeSource() {
SingularAttributeSource attributeSource = null;
EntityClass entityClass = getEntityClass();
if ( entityClass.getVersionAttribute() != null ) {
attributeSource = new SingularAttributeSourceImpl( entityClass.getVersionAttribute() );
}
return attributeSource;
}
@Override
public DiscriminatorSource getDiscriminatorSource() {
DiscriminatorSource discriminatorSource = null;
if ( getEntityClass().getDiscriminatorColumnValues() != null ) {
discriminatorSource = new DiscriminatorSourceImpl( getEntityClass() );
}
return discriminatorSource;
}
@Override
public EntityMode getEntityMode() {
return EntityMode.POJO;
}
@Override
public boolean isMutable() {
return getEntityClass().isMutable();
}
@Override
public boolean isExplicitPolymorphism() {
return getEntityClass().isExplicitPolymorphism();
}
@Override
public String getWhere() {
return getEntityClass().getWhereClause();
}
@Override
public String getRowId() {
return getEntityClass().getRowId();
}
@Override
public OptimisticLockStyle getOptimisticLockStyle() {
return getEntityClass().getOptimisticLockStyle();
}
@Override
public Caching getCaching() {
return getEntityClass().getCaching();
}
}