/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.jpa.graph.internal;

import java.util.List;
import javax.persistence.AttributeNode;
import javax.persistence.Subgraph;
import javax.persistence.metamodel.Attribute;
import javax.persistence.metamodel.ManagedType;

import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.graph.spi.GraphNodeImplementor;

Author:Steve Ebersole
/** * @author Steve Ebersole */
public class SubgraphImpl<T> extends AbstractGraphNode<T> implements Subgraph<T>, GraphNodeImplementor { private final ManagedType managedType; private final Class<T> subclass; @SuppressWarnings("WeakerAccess") public SubgraphImpl( SessionFactoryImplementor entityManagerFactory, ManagedType managedType, Class<T> subclass) { super( entityManagerFactory, true ); this.managedType = managedType; this.subclass = subclass; } private SubgraphImpl(SubgraphImpl<T> original) { super( original, false ); this.managedType = original.managedType; this.subclass = original.subclass; } @SuppressWarnings("WeakerAccess") public SubgraphImpl<T> makeImmutableCopy() { return new SubgraphImpl<>( this ); } @Override public void addAttributeNodes(String... attributeNames) { super.addAttributeNodes( attributeNames ); } @Override @SafeVarargs public final void addAttributeNodes(Attribute<T, ?>... attributes) { super.addAttributeNodes( attributes ); } @Override public <X> SubgraphImpl<X> addSubgraph(Attribute<T, X> attribute) { return super.addSubgraph( attribute ); } @Override public <X> SubgraphImpl<? extends X> addSubgraph(Attribute<T, X> attribute, Class<? extends X> type) { return super.addSubgraph( attribute, type ); } @Override public <X> SubgraphImpl<X> addSubgraph(String attributeName) { return super.addSubgraph( attributeName ); } @Override public <X> SubgraphImpl<X> addSubgraph(String attributeName, Class<X> type) { return super.addSubgraph( attributeName, type ); } @Override public <X> SubgraphImpl<X> addKeySubgraph(Attribute<T, X> attribute) { return super.addKeySubgraph( attribute ); } @Override public <X> SubgraphImpl<? extends X> addKeySubgraph(Attribute<T, X> attribute, Class<? extends X> type) { return super.addKeySubgraph( attribute, type ); } @Override public <X> SubgraphImpl<X> addKeySubgraph(String attributeName) { return super.addKeySubgraph( attributeName ); } @Override public <X> SubgraphImpl<X> addKeySubgraph(String attributeName, Class<X> type) { return super.addKeySubgraph( attributeName, type ); } @Override @SuppressWarnings("unchecked") public Class<T> getClassType() { return managedType.getJavaType(); } @Override public List<AttributeNode<?>> getAttributeNodes() { return super.attributeNodes(); } @Override @SuppressWarnings("unchecked") protected Attribute<T,?> resolveAttribute(String attributeName) { final Attribute<T,?> attribute = managedType.getAttribute( attributeName ); if ( attribute == null ) { throw new IllegalArgumentException( String.format( "Given attribute name [%s] is not an attribute on this class [%s]", attributeName, managedType.getClass().getName() ) ); } return attribute; } @Override ManagedType getManagedType() { return managedType; } }