| /******************************************************************************* |
| * Copyright (c) 2009, 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.PersistentAttribute; |
| import org.eclipse.jpt.core.context.RelationshipMapping; |
| import org.eclipse.jpt.core.context.java.JavaMappedByJoiningStrategy; |
| import org.eclipse.jpt.core.context.java.JavaOwnableRelationshipReference; |
| import org.eclipse.jpt.core.context.java.JavaRelationshipMapping; |
| import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages; |
| import org.eclipse.jpt.core.internal.validation.JpaValidationDescriptionMessages; |
| import org.eclipse.jpt.core.internal.validation.JpaValidationMessages; |
| import org.eclipse.jpt.core.resource.java.OwnableRelationshipMappingAnnotation; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.db.Table; |
| import org.eclipse.jpt.utility.Filter; |
| import org.eclipse.jpt.utility.internal.ArrayTools; |
| import org.eclipse.jpt.utility.internal.StringTools; |
| import org.eclipse.jpt.utility.internal.iterators.FilteringIterator; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| public class GenericJavaMappedByJoiningStrategy |
| extends AbstractJavaJpaContextNode |
| implements JavaMappedByJoiningStrategy |
| { |
| protected OwnableRelationshipMappingAnnotation mappingAnnotation; |
| |
| protected String mappedByAttribute; |
| |
| |
| public GenericJavaMappedByJoiningStrategy(JavaOwnableRelationshipReference parent) { |
| super(parent); |
| } |
| |
| |
| @Override |
| public JavaOwnableRelationshipReference getParent() { |
| return (JavaOwnableRelationshipReference) super.getParent(); |
| } |
| |
| public JavaOwnableRelationshipReference getRelationshipReference() { |
| return this.getParent(); |
| } |
| |
| public JavaRelationshipMapping getRelationshipMapping() { |
| return getParent().getRelationshipMapping(); |
| } |
| |
| public String getTableName() { |
| RelationshipMapping owner = getRelationshipOwner(); |
| return owner == null ? null : owner.getRelationshipReference().getPredominantJoiningStrategy().getTableName(); |
| } |
| |
| public Table getDbTable(String tableName) { |
| RelationshipMapping owner = getRelationshipOwner(); |
| return owner == null ? null : owner.getRelationshipReference().getPredominantJoiningStrategy().getDbTable(tableName); |
| } |
| |
| public boolean tableNameIsInvalid(String tableName) { |
| RelationshipMapping owner = getRelationshipOwner(); |
| return owner == null ? false : owner.getRelationshipReference().getPredominantJoiningStrategy().tableNameIsInvalid(tableName); |
| } |
| |
| public String getColumnTableNotValidDescription() { |
| //this will not be called if getRelationshipOwner() is null |
| return getRelationshipOwner().getRelationshipReference().getPredominantJoiningStrategy().getColumnTableNotValidDescription(); |
| } |
| |
| protected RelationshipMapping getRelationshipOwner() { |
| return getRelationshipMapping().getRelationshipOwner(); |
| } |
| |
| public boolean isOverridableAssociation() { |
| return false; |
| } |
| |
| public boolean relationshipIsOwnedBy(RelationshipMapping otherMapping) { |
| String thisEntity = |
| (getRelationshipReference().getEntity()) == null ? |
| null : getRelationshipReference().getEntity().getName(); |
| String otherTargetEntity = |
| (otherMapping.getResolvedTargetEntity() == null) ? |
| null : otherMapping.getResolvedTargetEntity().getName(); |
| return StringTools.stringsAreEqual( |
| thisEntity, |
| otherTargetEntity) |
| && StringTools.stringsAreEqual( |
| getMappedByAttribute(), |
| otherMapping.getName()); |
| } |
| |
| public String getMappedByAttribute() { |
| return this.mappedByAttribute; |
| } |
| |
| public void setMappedByAttribute(String newMappedByAttribute) { |
| String oldMappedByAttribute = this.mappedByAttribute; |
| this.mappedByAttribute = newMappedByAttribute; |
| this.mappingAnnotation.setMappedBy(newMappedByAttribute); |
| firePropertyChanged(MAPPED_BY_ATTRIBUTE_PROPERTY, oldMappedByAttribute, newMappedByAttribute); |
| } |
| |
| protected void setMappedByAttribute_(String newMappedByAttribute) { |
| String oldMappedByAttribute = this.mappedByAttribute; |
| this.mappedByAttribute = newMappedByAttribute; |
| firePropertyChanged(MAPPED_BY_ATTRIBUTE_PROPERTY, oldMappedByAttribute, newMappedByAttribute); |
| } |
| |
| public void addStrategy() { |
| if (this.mappedByAttribute == null) { |
| setMappedByAttribute(""); //$NON-NLS-1$ |
| } |
| } |
| |
| public void removeStrategy() { |
| if (this.mappedByAttribute != null) { |
| setMappedByAttribute(null); |
| } |
| } |
| |
| public void initialize() { |
| this.mappingAnnotation = this.getRelationshipReference().getMappingAnnotation(); |
| this.mappedByAttribute = this.mappingAnnotation.getMappedBy(); |
| } |
| |
| public void update() { |
| this.mappingAnnotation = this.getRelationshipReference().getMappingAnnotation(); |
| setMappedByAttribute_(this.mappingAnnotation.getMappedBy()); |
| } |
| |
| @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; |
| } |
| if (this.mappingAnnotation.mappedByTouches(pos, astRoot)) { |
| result = javaCandidateMappedByAttributeNames(filter); |
| } |
| return result; |
| } |
| |
| public Iterator<String> candidateMappedByAttributeNames() { |
| return getRelationshipMapping().allTargetEntityAttributeNames(); |
| } |
| |
| public Iterator<String> candidateMappedByAttributeNames(Filter<String> filter) { |
| return new FilteringIterator<String>(this.candidateMappedByAttributeNames(), filter); |
| } |
| |
| protected Iterator<String> javaCandidateMappedByAttributeNames(Filter<String> filter) { |
| return StringTools.convertToJavaStringLiterals(this.candidateMappedByAttributeNames(filter)); |
| } |
| |
| |
| // **************** validation ********************************************* |
| |
| public TextRange getValidationTextRange(CompilationUnit astRoot) { |
| return this.mappingAnnotation.getMappedByTextRange(astRoot); |
| } |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) { |
| super.validate(messages, reporter, astRoot); |
| |
| if (getMappedByAttribute() == null) { |
| return; |
| } |
| |
| Entity targetEntity = this.getRelationshipMapping().getResolvedTargetEntity(); |
| if (targetEntity == null) { |
| return; // null target entity is validated elsewhere |
| } |
| |
| AttributeMapping mappedByMapping = targetEntity.resolveAttributeMapping(this.mappedByAttribute); |
| |
| if (mappedByMapping == null) { |
| messages.add( |
| buildMessage( |
| JpaValidationMessages.MAPPING_UNRESOLVED_MAPPED_BY, |
| new String[] {this.mappedByAttribute}, |
| astRoot)); |
| return; |
| } |
| |
| if (! this.getRelationshipReference().mayBeMappedBy(mappedByMapping)) { |
| messages.add( |
| buildMessage( |
| JpaValidationMessages.MAPPING_INVALID_MAPPED_BY, |
| new String[] {this.mappedByAttribute}, |
| astRoot)); |
| return; |
| } |
| |
| // if mappedByMapping is not a relationship owner, then it should have |
| // been flagged in above rule (mappedByIsValid) |
| if (! ((RelationshipMapping) mappedByMapping).isRelationshipOwner()) { |
| messages.add(buildMessage( |
| JpaValidationMessages.MAPPING_MAPPED_BY_ON_BOTH_SIDES, |
| new String[] {this.mappedByAttribute}, |
| astRoot)); |
| } |
| } |
| |
| protected IMessage buildMessage(String msgID, String[] params, CompilationUnit astRoot) { |
| PersistentAttribute attribute = getRelationshipMapping().getPersistentAttribute(); |
| String attributeDesc = NLS.bind(JpaValidationDescriptionMessages.ATTRIBUTE_DESC, attribute.getName()); |
| |
| return DefaultJpaValidationMessages.buildMessage( |
| IMessage.HIGH_SEVERITY, |
| msgID, |
| ArrayTools.add(params, 0, attributeDesc), |
| this, |
| this.getValidationTextRange(astRoot)); |
| } |
| } |