| /******************************************************************************* |
| * Copyright (c) 2011 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 |
| * which accompanies this distribution. |
| * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html |
| * and the Eclipse Distribution License is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| * |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.core.jpql.spi; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.eclipse.jpt.common.utility.internal.iterables.ListIterable; |
| import org.eclipse.jpt.jpa.core.context.AttributeMapping; |
| import org.eclipse.jpt.jpa.core.context.Entity; |
| import org.eclipse.jpt.jpa.core.context.NamedQuery; |
| import org.eclipse.persistence.jpa.jpql.spi.IEntity; |
| import org.eclipse.persistence.jpa.jpql.spi.IManagedTypeVisitor; |
| import org.eclipse.persistence.jpa.jpql.spi.IMappingBuilder; |
| import org.eclipse.persistence.jpa.jpql.spi.IQuery; |
| |
| /** |
| * The concrete implementation of {@link IEntity} that is wrapping the design-time representation |
| * of a JPA entity. |
| * |
| * Provisional API: This interface is part of an interim API that is still under development and |
| * expected to change significantly before reaching stability. It is available at this early stage |
| * to solicit feedback from pioneering adopters on the understanding that any code that uses this |
| * API will almost certainly be broken (repeatedly) as the API evolves. |
| * |
| * @version 3.1 |
| * @since 3.0 |
| * @author Pascal Filion |
| */ |
| public class JpaEntity extends JpaManagedType |
| implements IEntity { |
| |
| /** |
| * The cached used to quickly retrieve any queries that have been cached. |
| */ |
| private Map<String, IQuery> queries; |
| |
| /** |
| * Creates a new <code>JpaEntity</code>. |
| * |
| * @param provider The provider of JPA managed types |
| * @param entity The design-time model object wrapped by this class |
| * @param mappingBuilder The builder that is responsible to create the {@link IMapping} wrapping |
| * a persistent attribute or property |
| */ |
| public JpaEntity(JpaManagedTypeProvider provider, |
| Entity entity, |
| IMappingBuilder<AttributeMapping> mappingBuilder) { |
| |
| super(provider, entity, mappingBuilder); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void accept(IManagedTypeVisitor visitor) { |
| visitor.visit(this); |
| } |
| |
| protected IQuery buildQuery(JpaManagedTypeProvider provider, NamedQuery namedQuery) { |
| return new JpaQuery(provider, namedQuery); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected Entity getManagedType() { |
| return (Entity) super.getManagedType(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getName() { |
| return getManagedType().getName(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public IQuery getNamedQuery(String queryName) { |
| initializeQueries(); |
| return queries.get(queryName); |
| } |
| |
| protected void initializeQueries() { |
| if (queries == null) { |
| queries = new HashMap<String, IQuery>(); |
| initializeQueries(queries); |
| } |
| } |
| |
| protected void initializeQueries(Map<String, IQuery> queries) { |
| JpaManagedTypeProvider provider = getProvider(); |
| for (NamedQuery namedQuery : getNamedQueries()) { |
| queries.put(namedQuery.getName(), buildQuery(provider, namedQuery)); |
| } |
| } |
| |
| protected ListIterable<? extends NamedQuery> getNamedQueries() { |
| return getManagedType().getQueryContainer().getNamedQueries(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String toString() { |
| return getName(); |
| } |
| } |