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Hibernate example source code file (ComponentAttributeBinding.java)
This example Hibernate source code file (ComponentAttributeBinding.java) is included in the DevDaily.com
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The Hibernate ComponentAttributeBinding.java source code
/*
* 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.binding;
import java.util.HashMap;
import java.util.Map;
import org.hibernate.mapping.PropertyGeneration;
import org.hibernate.metamodel.domain.AttributeContainer;
import org.hibernate.metamodel.domain.Component;
import org.hibernate.metamodel.domain.PluralAttribute;
import org.hibernate.metamodel.domain.PluralAttributeNature;
import org.hibernate.metamodel.domain.SingularAttribute;
import org.hibernate.metamodel.source.MetaAttributeContext;
/**
* @author Steve Ebersole
*/
public class ComponentAttributeBinding extends AbstractSingularAttributeBinding implements AttributeBindingContainer {
private final String path;
private Map<String, AttributeBinding> attributeBindingMap = new HashMap();
private SingularAttribute parentReference;
private MetaAttributeContext metaAttributeContext;
public ComponentAttributeBinding(AttributeBindingContainer container, SingularAttribute attribute) {
super( container, attribute );
this.path = container.getPathBase() + '.' + attribute.getName();
}
@Override
public EntityBinding seekEntityBinding() {
return getContainer().seekEntityBinding();
}
@Override
public String getPathBase() {
return path;
}
@Override
public AttributeContainer getAttributeContainer() {
return getComponent();
}
public Component getComponent() {
return (Component) getAttribute().getSingularAttributeType();
}
@Override
public boolean isAssociation() {
return false;
}
@Override
public MetaAttributeContext getMetaAttributeContext() {
return metaAttributeContext;
}
public void setMetaAttributeContext(MetaAttributeContext metaAttributeContext) {
this.metaAttributeContext = metaAttributeContext;
}
@Override
public AttributeBinding locateAttributeBinding(String name) {
return attributeBindingMap.get( name );
}
@Override
public Iterable<AttributeBinding> attributeBindings() {
return attributeBindingMap.values();
}
@Override
protected void checkValueBinding() {
// do nothing here...
}
@Override
public BasicAttributeBinding makeBasicAttributeBinding(SingularAttribute attribute) {
final BasicAttributeBinding binding = new BasicAttributeBinding(
this,
attribute,
isNullable(),
isAlternateUniqueKey() // todo : is this accurate?
);
registerAttributeBinding( attribute.getName(), binding );
return binding;
}
protected void registerAttributeBinding(String name, AttributeBinding attributeBinding) {
// todo : hook this into the EntityBinding notion of "entity referencing attribute bindings"
attributeBindingMap.put( name, attributeBinding );
}
@Override
public ComponentAttributeBinding makeComponentAttributeBinding(SingularAttribute attribute) {
final ComponentAttributeBinding binding = new ComponentAttributeBinding( this, attribute );
registerAttributeBinding( attribute.getName(), binding );
return binding;
}
@Override
public ManyToOneAttributeBinding makeManyToOneAttributeBinding(SingularAttribute attribute) {
final ManyToOneAttributeBinding binding = new ManyToOneAttributeBinding( this, attribute );
registerAttributeBinding( attribute.getName(), binding );
return binding;
}
@Override
public BagBinding makeBagAttributeBinding(PluralAttribute attribute, CollectionElementNature nature) {
Helper.checkPluralAttributeNature( attribute, PluralAttributeNature.BAG );
final BagBinding binding = new BagBinding( this, attribute, nature );
registerAttributeBinding( attribute.getName(), binding );
return binding;
}
@Override
public SetBinding makeSetAttributeBinding(PluralAttribute attribute, CollectionElementNature nature) {
Helper.checkPluralAttributeNature( attribute, PluralAttributeNature.SET );
final SetBinding binding = new SetBinding( this, attribute, nature );
registerAttributeBinding( attribute.getName(), binding );
return binding;
}
@Override
public Class<?> getClassReference() {
return getComponent().getClassReference();
}
public SingularAttribute getParentReference() {
return parentReference;
}
public void setParentReference(SingularAttribute parentReference) {
this.parentReference = parentReference;
}
@Override
public PropertyGeneration getGeneration() {
// todo : not sure the correct thing to return here since it essentially relies on the simple sub-attributes.
return null;
}
}
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