| /******************************************************************************* |
| * Copyright (c) 2006, 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.context.java; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.context.AttributeMapping; |
| import org.eclipse.jpt.core.context.Entity; |
| import org.eclipse.jpt.core.context.FetchType; |
| import org.eclipse.jpt.core.context.PersistentAttribute; |
| import org.eclipse.jpt.core.context.PersistentType; |
| import org.eclipse.jpt.core.context.RelationshipMapping; |
| import org.eclipse.jpt.core.context.TypeMapping; |
| import org.eclipse.jpt.core.context.java.JavaPersistentAttribute; |
| import org.eclipse.jpt.core.context.java.JavaRelationshipReference; |
| import org.eclipse.jpt.core.internal.jpa1.context.java.GenericJavaCascade; |
| import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages; |
| import org.eclipse.jpt.core.internal.validation.JpaValidationMessages; |
| import org.eclipse.jpt.core.jpa2.context.MetamodelField; |
| import org.eclipse.jpt.core.jpa2.context.java.JavaCascade2_0; |
| import org.eclipse.jpt.core.jpa2.context.java.JavaRelationshipMapping2_0; |
| import org.eclipse.jpt.core.jpa2.resource.java.RelationshipMapping2_0Annotation; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.utility.Filter; |
| import org.eclipse.jpt.utility.internal.CollectionTools; |
| import org.eclipse.jpt.utility.internal.iterators.CompositeIterator; |
| import org.eclipse.jpt.utility.internal.iterators.EmptyIterator; |
| 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; |
| |
| /** |
| * Java relationship mapping |
| */ |
| public abstract class AbstractJavaRelationshipMapping<T extends RelationshipMapping2_0Annotation> |
| extends AbstractJavaAttributeMapping<T> |
| implements JavaRelationshipMapping2_0 |
| { |
| protected String specifiedTargetEntity; |
| protected String defaultTargetEntity; |
| protected PersistentType resolvedTargetType; |
| protected Entity resolvedTargetEntity; |
| |
| protected final JavaRelationshipReference relationshipReference; |
| |
| protected final JavaCascade2_0 cascade; |
| |
| protected FetchType specifiedFetch; |
| |
| |
| protected AbstractJavaRelationshipMapping(JavaPersistentAttribute parent) { |
| super(parent); |
| this.relationshipReference = buildRelationshipReference(); |
| this.cascade = buildCascade(); |
| } |
| |
| |
| @Override |
| protected void initialize() { |
| super.initialize(); |
| this.defaultTargetEntity = this.buildDefaultTargetEntity(); |
| this.relationshipReference.initialize(); |
| this.specifiedFetch = this.getResourceFetch(); |
| this.cascade.initialize(); |
| this.specifiedTargetEntity = this.getResourceTargetEntity(); |
| this.resolvedTargetType = this.buildResolvedTargetType(); |
| this.resolvedTargetEntity = this.buildResolvedTargetEntity(); |
| } |
| |
| @Override |
| protected void update() { |
| super.update(); |
| this.setDefaultTargetEntity(this.buildDefaultTargetEntity()); |
| this.relationshipReference.update(); |
| this.setSpecifiedFetch_(this.getResourceFetch()); |
| this.cascade.update(); |
| this.setSpecifiedTargetEntity_(this.getResourceTargetEntity()); |
| this.resolvedTargetType = this.buildResolvedTargetType(); |
| this.setResolvedTargetEntity(this.buildResolvedTargetEntity()); |
| } |
| |
| |
| // ********** target entity ********** |
| |
| public String getTargetEntity() { |
| return (this.specifiedTargetEntity != null) ? this.specifiedTargetEntity : this.defaultTargetEntity; |
| } |
| |
| public String getSpecifiedTargetEntity() { |
| return this.specifiedTargetEntity; |
| } |
| |
| public void setSpecifiedTargetEntity(String targetEntity) { |
| String old = this.specifiedTargetEntity; |
| this.specifiedTargetEntity = targetEntity; |
| this.mappingAnnotation.setTargetEntity(targetEntity); |
| this.firePropertyChanged(SPECIFIED_TARGET_ENTITY_PROPERTY, old, targetEntity); |
| } |
| |
| protected void setSpecifiedTargetEntity_(String targetEntity) { |
| String old = this.specifiedTargetEntity; |
| this.specifiedTargetEntity = targetEntity; |
| this.firePropertyChanged(SPECIFIED_TARGET_ENTITY_PROPERTY, old, targetEntity); |
| } |
| |
| protected String getResourceTargetEntity() { |
| return this.mappingAnnotation.getTargetEntity(); |
| } |
| |
| public String getDefaultTargetEntity() { |
| return this.defaultTargetEntity; |
| } |
| |
| protected void setDefaultTargetEntity(String targetEntity) { |
| String old = this.defaultTargetEntity; |
| this.defaultTargetEntity = targetEntity; |
| this.firePropertyChanged(DEFAULT_TARGET_ENTITY_PROPERTY, old, targetEntity); |
| } |
| |
| protected abstract String buildDefaultTargetEntity(); |
| |
| public PersistentType getResolvedTargetType() { |
| return this.resolvedTargetType; |
| } |
| |
| protected PersistentType buildResolvedTargetType() { |
| String targetEntityClassName = (this.specifiedTargetEntity == null) ? |
| this.defaultTargetEntity : |
| this.mappingAnnotation.getFullyQualifiedTargetEntityClassName(); |
| return (targetEntityClassName == null) ? null : this.getPersistenceUnit().getPersistentType(targetEntityClassName); |
| } |
| |
| public Entity getResolvedTargetEntity() { |
| return this.resolvedTargetEntity; |
| } |
| |
| protected void setResolvedTargetEntity(Entity entity) { |
| Entity old = this.resolvedTargetEntity; |
| this.resolvedTargetEntity = entity; |
| this.firePropertyChanged(RESOLVED_TARGET_ENTITY_PROPERTY, old, entity); |
| } |
| |
| protected Entity buildResolvedTargetEntity() { |
| if (this.resolvedTargetType == null) { |
| return null; |
| } |
| TypeMapping typeMapping = this.resolvedTargetType.getMapping(); |
| return (typeMapping instanceof Entity) ? (Entity) typeMapping : null; |
| } |
| |
| public Iterator<String> allTargetEntityAttributeNames() { |
| return new CompositeIterator<String>( |
| new TransformationIterator<AttributeMapping, Iterator<String>>(this.allTargetEntityAttributeMappings()) { |
| @Override |
| protected Iterator<String> transform(AttributeMapping mapping) { |
| return mapping.allMappingNames(); |
| } |
| }); |
| } |
| |
| protected Iterator<AttributeMapping> allTargetEntityAttributeMappings() { |
| return (this.resolvedTargetEntity != null) ? |
| this.resolvedTargetEntity.allAttributeMappings() : |
| EmptyIterator.<AttributeMapping> instance(); |
| } |
| |
| protected String getTargetEntityIdAttributeName() { |
| PersistentAttribute attribute = this.getTargetEntityIdAttribute(); |
| return (attribute == null) ? null : attribute.getName(); |
| } |
| |
| protected PersistentAttribute getTargetEntityIdAttribute() { |
| return (this.resolvedTargetEntity == null) ? null : this.resolvedTargetEntity.getIdAttribute(); |
| } |
| |
| public char getTargetEntityEnclosingTypeSeparator() { |
| return '.'; |
| } |
| |
| |
| // ********** relationship reference ********** |
| |
| public JavaRelationshipReference getRelationshipReference() { |
| return this.relationshipReference; |
| } |
| |
| protected abstract JavaRelationshipReference buildRelationshipReference(); |
| |
| @Override |
| public boolean isRelationshipOwner() { |
| return this.relationshipReference.isRelationshipOwner(); |
| } |
| |
| public RelationshipMapping getRelationshipOwner() { |
| Entity targetEntity = this.getResolvedTargetEntity(); |
| if (targetEntity == null) { |
| return null; |
| } |
| for (PersistentAttribute each : |
| CollectionTools.iterable( |
| targetEntity.getPersistentType().allAttributes())) { |
| if (this.isOwnedBy(each.getMapping())) { |
| return (RelationshipMapping) each.getMapping(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean isOwnedBy(AttributeMapping mapping) { |
| if (mapping.isRelationshipOwner()) { |
| return this.relationshipReference.isOwnedBy((RelationshipMapping) mapping); |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean isOverridableAssociationMapping() { |
| return this.relationshipReference.isOverridableAssociation(); |
| } |
| |
| |
| // ********** cascade ********** |
| |
| protected JavaCascade2_0 buildCascade() { |
| return new GenericJavaCascade(this); |
| } |
| |
| public JavaCascade2_0 getCascade() { |
| return this.cascade; |
| } |
| |
| |
| // ********** fetch ********** |
| |
| public FetchType getFetch() { |
| return (this.specifiedFetch != null) ? this.specifiedFetch : this.getDefaultFetch(); |
| } |
| |
| public FetchType getSpecifiedFetch() { |
| return this.specifiedFetch; |
| } |
| |
| public void setSpecifiedFetch(FetchType fetch) { |
| FetchType old = this.specifiedFetch; |
| this.specifiedFetch = fetch; |
| this.mappingAnnotation.setFetch(FetchType.toJavaResourceModel(fetch)); |
| this.firePropertyChanged(SPECIFIED_FETCH_PROPERTY, old, fetch); |
| } |
| |
| protected void setSpecifiedFetch_(FetchType fetch) { |
| FetchType old = this.specifiedFetch; |
| this.specifiedFetch = fetch; |
| this.firePropertyChanged(SPECIFIED_FETCH_PROPERTY, old, fetch); |
| } |
| |
| protected FetchType getResourceFetch() { |
| return FetchType.fromJavaResourceModel(this.mappingAnnotation.getFetch()); |
| } |
| |
| |
| // ********** Java completion proposals ********** |
| |
| @Override |
| public Iterator<String> javaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) { |
| Iterator<String> result = super.javaCompletionProposals(pos, filter, astRoot); |
| if (result != null) { |
| return result; |
| } |
| return this.relationshipReference.javaCompletionProposals(pos, filter, astRoot); |
| } |
| |
| |
| // ********** validation ********** |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) { |
| super.validate(messages, reporter, astRoot); |
| this.validateTargetEntity(messages, astRoot); |
| this.relationshipReference.validate(messages, reporter, astRoot); |
| } |
| |
| protected void validateTargetEntity(List<IMessage> messages, CompilationUnit astRoot) { |
| if (this.getTargetEntity() == null) { |
| messages.add( |
| DefaultJpaValidationMessages.buildMessage( |
| IMessage.HIGH_SEVERITY, |
| JpaValidationMessages.TARGET_ENTITY_NOT_DEFINED, |
| new String[] {this.getName()}, |
| this, |
| this.getValidationTextRange(astRoot) |
| ) |
| ); |
| } |
| else if (this.resolvedTargetEntity == null) { |
| messages.add( |
| DefaultJpaValidationMessages.buildMessage( |
| IMessage.HIGH_SEVERITY, |
| JpaValidationMessages.TARGET_ENTITY_IS_NOT_AN_ENTITY, |
| new String[] {this.getTargetEntity(), this.getName()}, |
| this, |
| this.getTargetEntityTextRange(astRoot) |
| ) |
| ); |
| } |
| } |
| |
| protected TextRange getTargetEntityTextRange(CompilationUnit astRoot) { |
| return this.getTextRange(this.mappingAnnotation.getTargetEntityTextRange(astRoot), astRoot); |
| } |
| |
| protected TextRange getTextRange(TextRange textRange, CompilationUnit astRoot) { |
| return (textRange != null) ? textRange : this.getParent().getValidationTextRange(astRoot); |
| } |
| |
| |
| // ********** metamodel ********** |
| |
| @Override |
| public String getMetamodelTypeName() { |
| String targetEntity = this.getTargetEntity(); |
| return (targetEntity != null) ? targetEntity : MetamodelField.DEFAULT_TYPE_NAME; |
| } |
| |
| } |