| /******************************************************************************* |
| * 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.internal.jpql; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.eclipse.jpt.jpa.core.context.AttributeMapping; |
| import org.eclipse.jpt.jpa.core.context.TypeMapping; |
| import org.eclipse.persistence.jpa.jpql.spi.IManagedType; |
| import org.eclipse.persistence.jpa.jpql.spi.IMapping; |
| import org.eclipse.persistence.jpa.jpql.spi.IType; |
| |
| /** |
| * The abstract definition of {@link IManagedType} defined for wrapping the design-time mapped class |
| * object. |
| * |
| * @version 3.0 |
| * @since 3.0 |
| * @author Pascal Filion |
| */ |
| abstract class JpaManagedType implements IManagedType { |
| |
| /** |
| * The design-time model object wrapped by this class. |
| */ |
| private final TypeMapping managedType; |
| |
| /** |
| * The cached collection of {@link IMapping mappings} that prevent rebuilding them every time one |
| * is requested. |
| */ |
| private Map<String, IMapping> mappings; |
| |
| /** |
| * The provider of JPA managed types. |
| */ |
| private final JpaManagedTypeProvider provider; |
| |
| /** |
| * The cached type of this managed type. |
| */ |
| private IType type; |
| |
| /** |
| * Creates a new <code>JDeveloperManagedType</code>. |
| * |
| * @param managedType The provider of JPA managed types |
| * @param mappedClass The design-time model object wrapped by this class |
| */ |
| JpaManagedType(JpaManagedTypeProvider provider, TypeMapping managedType) { |
| super(); |
| this.provider = provider; |
| this.managedType = managedType; |
| } |
| |
| private IMapping buildMapping(AttributeMapping mapping) { |
| return new JpaMapping(this, mapping); |
| } |
| |
| private Map<String, IMapping> buildMappings() { |
| Map<String, IMapping> mappings = new HashMap<String, IMapping>(); |
| for (AttributeMapping mapping : managedType.getAllAttributeMappings()) { |
| mappings.put(mapping.getName(), buildMapping(mapping)); |
| } |
| return mappings; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public int compareTo(IManagedType managedType) { |
| return getType().getName().compareTo(managedType.getType().getName()); |
| } |
| |
| /** |
| * Returns the encapsulated model object. |
| * |
| * @return The managed type wrapped by this external form |
| */ |
| TypeMapping getManagedType() { |
| return managedType; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public final IMapping getMappingNamed(String name) { |
| initializeMappings(); |
| return mappings.get(name); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public final JpaManagedTypeProvider getProvider() { |
| return provider; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public final IType getType() { |
| if (type == null) { |
| type = provider.getTypeRepository().getType(managedType.getPersistentType().getName()); |
| } |
| return type; |
| } |
| |
| private void initializeMappings() { |
| if (mappings == null) { |
| mappings = buildMappings(); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public final Iterable<IMapping> mappings() { |
| initializeMappings(); |
| return Collections.unmodifiableCollection(mappings.values()); |
| } |
| } |