| /******************************************************************************* |
| * Copyright (c) 2007, 2010 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.core.internal.jpa1.context.java; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.MappingKeys; |
| import org.eclipse.jpt.core.context.AttributeMapping; |
| import org.eclipse.jpt.core.context.TypeMapping; |
| import org.eclipse.jpt.core.context.java.JavaAttributeOverrideContainer; |
| import org.eclipse.jpt.core.context.java.JavaEmbeddedIdMapping; |
| import org.eclipse.jpt.core.context.java.JavaPersistentAttribute; |
| import org.eclipse.jpt.core.internal.context.java.AbstractJavaBaseEmbeddedMapping; |
| import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages; |
| import org.eclipse.jpt.core.internal.validation.JpaValidationMessages; |
| import org.eclipse.jpt.core.jpa2.context.EmbeddedIdMapping2_0; |
| import org.eclipse.jpt.core.jpa2.context.SingleRelationshipMapping2_0; |
| import org.eclipse.jpt.core.resource.java.EmbeddedIdAnnotation; |
| import org.eclipse.jpt.utility.internal.CollectionTools; |
| import org.eclipse.jpt.utility.internal.iterables.CompositeIterable; |
| import org.eclipse.jpt.utility.internal.iterables.FilteringIterable; |
| import org.eclipse.jpt.utility.internal.iterables.SubIterableWrapper; |
| import org.eclipse.jpt.utility.internal.iterators.EmptyIterator; |
| import org.eclipse.jpt.utility.internal.iterators.FilteringIterator; |
| import org.eclipse.jpt.utility.internal.iterators.TransformationIterator; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| public class GenericJavaEmbeddedIdMapping |
| extends AbstractJavaBaseEmbeddedMapping<EmbeddedIdAnnotation> |
| implements EmbeddedIdMapping2_0, JavaEmbeddedIdMapping |
| { |
| /* 2.0 feature - a relationship may map this embedded id */ |
| protected boolean mappedByRelationship; |
| |
| |
| public GenericJavaEmbeddedIdMapping(JavaPersistentAttribute parent) { |
| super(parent); |
| } |
| |
| |
| //****************** JavaAttributeMapping implementation ******************* |
| |
| public String getKey() { |
| return MappingKeys.EMBEDDED_ID_ATTRIBUTE_MAPPING_KEY; |
| } |
| |
| public String getAnnotationName() { |
| return EmbeddedIdAnnotation.ANNOTATION_NAME; |
| } |
| |
| |
| // **************** EmbeddedId2_0 impl ************************************ |
| |
| public boolean isMappedByRelationship() { |
| return this.mappedByRelationship; |
| } |
| |
| protected void setMappedByRelationship(boolean newValue) { |
| boolean oldValue = this.mappedByRelationship; |
| this.mappedByRelationship = newValue; |
| firePropertyChanged(MAPPED_BY_RELATIONSHIP_PROPERTY, oldValue, newValue); |
| } |
| |
| protected boolean calculateMappedByRelationship() { |
| for (SingleRelationshipMapping2_0 each : getMapsIdRelationships()) { |
| if (getName().equals(each.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getValue())) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| protected Iterable<SingleRelationshipMapping2_0> getMapsIdRelationships() { |
| return new FilteringIterable<SingleRelationshipMapping2_0>( |
| new SubIterableWrapper<AttributeMapping, SingleRelationshipMapping2_0>( |
| new CompositeIterable<AttributeMapping>( |
| getTypeMapping().getAllAttributeMappings(MappingKeys.ONE_TO_ONE_ATTRIBUTE_MAPPING_KEY), |
| getTypeMapping().getAllAttributeMappings(MappingKeys.MANY_TO_ONE_ATTRIBUTE_MAPPING_KEY)))) { |
| @Override |
| protected boolean accept(SingleRelationshipMapping2_0 o) { |
| return o.getDerivedIdentity().usesMapsIdDerivedIdentityStrategy(); |
| } |
| }; |
| } |
| |
| |
| // **************** overrides ********************************************* |
| |
| @Override |
| protected Iterator<String> embeddableOverrideableAttributeMappingNames() { |
| return (isMappedByRelationship()) ? |
| EmptyIterator.<String>instance() |
| : super.embeddableOverrideableAttributeMappingNames(); |
| } |
| |
| @Override |
| protected JavaAttributeOverrideContainer.Owner buildAttributeOverrideContainerOwner() { |
| return new AttributeOverrideContainerOwner(); |
| } |
| |
| |
| protected class AttributeOverrideContainerOwner |
| extends AbstractJavaBaseEmbeddedMapping.AttributeOverrideContainerOwner |
| { |
| @Override |
| public Iterator<String> allOverridableNames() { |
| return (GenericJavaEmbeddedIdMapping.this.isMappedByRelationship()) ? |
| EmptyIterator.<String>instance() |
| : super.allOverridableNames(); |
| } |
| |
| @Override |
| protected Iterator<String> allOverridableAttributeNames_(TypeMapping typeMapping) { |
| final Collection<String> mappedByRelationshipAttributes = CollectionTools.collection( |
| new TransformationIterator<SingleRelationshipMapping2_0, String>(getMapsIdRelationships()) { |
| @Override |
| protected String transform(SingleRelationshipMapping2_0 next) { |
| return next.getDerivedIdentity().getMapsIdDerivedIdentityStrategy().getValue(); |
| } |
| }); |
| return new FilteringIterator<String>(super.allOverridableAttributeNames_(typeMapping)) { |
| @Override |
| protected boolean accept(String o) { |
| if (mappedByRelationshipAttributes.isEmpty()) { |
| return true; |
| } |
| // overrideable names are (usually?) qualified with a container mapping, |
| // which may also be the one mapped by a relationship |
| String qualifier = |
| (o.indexOf('.') > 0) ? |
| o.substring(0, o.indexOf('.')) |
| : o; |
| return ! mappedByRelationshipAttributes.contains(qualifier); |
| } |
| }; |
| } |
| } |
| |
| |
| // **************** resource -> context *********************************** |
| |
| @Override |
| protected void initialize() { |
| super.initialize(); |
| this.mappedByRelationship = calculateMappedByRelationship(); |
| } |
| |
| |
| @Override |
| protected void update() { |
| super.update(); |
| setMappedByRelationship(calculateMappedByRelationship()); |
| } |
| |
| |
| // **************** validation ******************************************** |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) { |
| super.validate(messages, reporter, astRoot); |
| |
| // [JPA 2.0] if the embedded id is mapped by a relationship, then any specified |
| // attribute overrides are in error |
| // (in JPA 1.0, this will obviously never be reached) |
| if (isMappedByRelationship() |
| && getAttributeOverrideContainer().specifiedAttributeOverridesSize() > 0) { |
| messages.add( |
| DefaultJpaValidationMessages.buildMessage( |
| IMessage.HIGH_SEVERITY, |
| JpaValidationMessages.EMBEDDED_ID_MAPPING_MAPPED_BY_RELATIONSHIP_AND_ATTRIBUTE_OVERRIDES_SPECIFIED, |
| new String[] {}, |
| getAttributeOverrideContainer(), |
| getAttributeOverrideContainer().getValidationTextRange(astRoot))); |
| } |
| } |
| } |