/*
* 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.persister.walking.internal;
import org.hibernate.persister.entity.AbstractEntityPersister;
import org.hibernate.persister.walking.spi.AttributeDefinition;
import org.hibernate.persister.walking.spi.AttributeSource;
import org.hibernate.persister.walking.spi.CompositionDefinition;
import org.hibernate.persister.walking.spi.EncapsulatedEntityIdentifierDefinition;
import org.hibernate.persister.walking.spi.EntityDefinition;
import org.hibernate.persister.walking.spi.EntityIdentifierDefinition;
import org.hibernate.persister.walking.spi.NonEncapsulatedEntityIdentifierDefinition;
import org.hibernate.type.CompositeType;
import org.hibernate.type.Type;
/**
* @author Gail Badner
*/
public final class EntityIdentifierDefinitionHelper {
private EntityIdentifierDefinitionHelper() {
}
public static EntityIdentifierDefinition buildSimpleEncapsulatedIdentifierDefinition(final AbstractEntityPersister entityPersister) {
return new EncapsulatedEntityIdentifierDefinition() {
private final AttributeDefinitionAdapter attr = new AttributeDefinitionAdapter( entityPersister);
@Override
public AttributeDefinition getAttributeDefinition() {
return attr;
}
@Override
public boolean isEncapsulated() {
return true;
}
@Override
public EntityDefinition getEntityDefinition() {
return entityPersister;
}
};
}
public static EntityIdentifierDefinition buildEncapsulatedCompositeIdentifierDefinition(
final AbstractEntityPersister entityPersister) {
return new EncapsulatedEntityIdentifierDefinition() {
private final CompositionDefinitionAdapter compositionDefinition = new CompositionDefinitionAdapter( entityPersister );
@Override
public AttributeDefinition getAttributeDefinition() {
return compositionDefinition;
}
@Override
public boolean isEncapsulated() {
return true;
}
@Override
public EntityDefinition getEntityDefinition() {
return entityPersister;
}
};
}
public static EntityIdentifierDefinition buildNonEncapsulatedCompositeIdentifierDefinition(final AbstractEntityPersister entityPersister) {
return new NonEncapsulatedEntityIdentifierDefinition() {
private final CompositionDefinitionAdapter compositionDefinition = new CompositionDefinitionAdapter( entityPersister );
@Override
public Iterable<AttributeDefinition> getAttributes() {
return compositionDefinition.getAttributes();
}
@Override
public Class getSeparateIdentifierMappingClass() {
return entityPersister.getEntityMetamodel().getIdentifierProperty().getType().getReturnedClass();
}
@Override
public boolean isEncapsulated() {
return false;
}
@Override
public EntityDefinition getEntityDefinition() {
return entityPersister;
}
@Override
public Type getCompositeType() {
return entityPersister.getEntityMetamodel().getIdentifierProperty().getType();
}
@Override
public AttributeSource getSource() {
return compositionDefinition;
}
@Override
public String getName() {
// Not sure this is always kosher. See org.hibernate.tuple.entity.EntityMetamodel.hasNonIdentifierPropertyNamedId
return "id";
}
@Override
public CompositeType getType() {
return (CompositeType) getCompositeType();
}
@Override
public boolean isNullable() {
return compositionDefinition.isNullable();
}
};
}
private static class AttributeDefinitionAdapter implements AttributeDefinition {
private final AbstractEntityPersister entityPersister;
AttributeDefinitionAdapter(AbstractEntityPersister entityPersister) {
this.entityPersister = entityPersister;
}
@Override
public String getName() {
return entityPersister.getEntityMetamodel().getIdentifierProperty().getName();
}
@Override
public Type getType() {
return entityPersister.getEntityMetamodel().getIdentifierProperty().getType();
}
@Override
public boolean isNullable() {
return false;
}
@Override
public AttributeSource getSource() {
return entityPersister;
}
@Override
public String toString() {
return "<identifier-property:" + getName() + ">";
}
protected AbstractEntityPersister getEntityPersister() {
return entityPersister;
}
}
private static class CompositionDefinitionAdapter extends AttributeDefinitionAdapter implements CompositionDefinition {
CompositionDefinitionAdapter(AbstractEntityPersister entityPersister) {
super( entityPersister );
}
@Override
public String toString() {
return "<identifier-property:" + getName() + ">";
}
@Override
public CompositeType getType() {
return (CompositeType) super.getType();
}
@Override
public Iterable<AttributeDefinition> getAttributes() {
return CompositionSingularSubAttributesHelper.getIdentifierSubAttributes( getEntityPersister() );
}
}
}