| /******************************************************************************* |
| * Copyright (c) 2009 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.orm; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| 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.orm.OrmMappedByJoiningStrategy; |
| import org.eclipse.jpt.core.context.orm.OrmOwnableRelationshipReference; |
| import org.eclipse.jpt.core.context.orm.OrmRelationshipMapping; |
| import org.eclipse.jpt.core.internal.context.AbstractXmlContextNode; |
| import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages; |
| import org.eclipse.jpt.core.internal.validation.JpaValidationMessages; |
| import org.eclipse.jpt.core.resource.orm.XmlMappedByMapping; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.utility.internal.StringTools; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| public class GenericOrmMappedByJoiningStrategy |
| extends AbstractXmlContextNode |
| implements OrmMappedByJoiningStrategy |
| { |
| protected XmlMappedByMapping resource; |
| |
| protected String mappedByAttribute; |
| |
| |
| public GenericOrmMappedByJoiningStrategy( |
| OrmOwnableRelationshipReference parent, |
| XmlMappedByMapping resource) { |
| super(parent); |
| this.resource = resource; |
| this.mappedByAttribute = this.resource.getMappedBy(); |
| } |
| |
| |
| @Override |
| public OrmOwnableRelationshipReference getParent() { |
| return (OrmOwnableRelationshipReference) super.getParent(); |
| } |
| |
| public OrmOwnableRelationshipReference getRelationshipReference() { |
| return this.getParent(); |
| } |
| |
| public OrmRelationshipMapping getRelationshipMapping() { |
| return getParent().getRelationshipMapping(); |
| } |
| |
| public boolean relationshipIsOwnedBy(RelationshipMapping otherMapping) { |
| String thisEntity = |
| (getRelationshipMapping().getEntity()) == null ? |
| null : getRelationshipMapping().getEntity().getName(); |
| String targetEntity = |
| (getRelationshipMapping().getResolvedTargetEntity() == null) ? |
| null : getRelationshipMapping().getResolvedTargetEntity().getName(); |
| return StringTools.stringsAreEqual( |
| thisEntity, |
| targetEntity) |
| && StringTools.stringsAreEqual( |
| getMappedByAttribute(), |
| otherMapping.getName()); |
| } |
| |
| public String getMappedByAttribute() { |
| return this.mappedByAttribute; |
| } |
| |
| public void setMappedByAttribute(String newMappedByAttribute) { |
| String oldMappedByAttribute = this.mappedByAttribute; |
| this.mappedByAttribute = newMappedByAttribute; |
| this.resource.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(""); |
| } |
| } |
| |
| public void removeStrategy() { |
| if (this.mappedByAttribute != null) { |
| setMappedByAttribute(null); |
| } |
| } |
| |
| public void update() { |
| setMappedByAttribute_(this.resource.getMappedBy()); |
| } |
| |
| public Iterator<String> candidateMappedByAttributeNames() { |
| return getRelationshipMapping().allTargetEntityAttributeNames(); |
| } |
| |
| |
| // **************** validation ********************************************* |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter) { |
| super.validate(messages, reporter); |
| |
| if (getMappedByAttribute() == null) { |
| return; |
| } |
| |
| Entity targetEntity = this.getRelationshipMapping().getResolvedTargetEntity(); |
| if (targetEntity == null) { |
| return; // null target entity is validated elsewhere |
| } |
| |
| PersistentAttribute attribute = targetEntity.getPersistentType().resolveAttribute(this.mappedByAttribute); |
| |
| if (attribute == null) { |
| messages.add( |
| DefaultJpaValidationMessages.buildMessage( |
| IMessage.HIGH_SEVERITY, |
| JpaValidationMessages.MAPPING_UNRESOLVED_MAPPED_BY, |
| new String[] {this.mappedByAttribute}, |
| this, |
| this.getValidationTextRange() |
| ) |
| ); |
| return; |
| } |
| |
| AttributeMapping mappedByMapping = attribute.getMapping(); |
| if ( ! this.getRelationshipReference().mayBeMappedBy(mappedByMapping)) { |
| messages.add( |
| DefaultJpaValidationMessages.buildMessage( |
| IMessage.HIGH_SEVERITY, |
| JpaValidationMessages.MAPPING_INVALID_MAPPED_BY, |
| new String[] {this.mappedByAttribute}, |
| this, |
| this.getValidationTextRange() |
| ) |
| ); |
| return; |
| } |
| |
| // if mappedByMapping is not a relationship owner, then it should have |
| // been flagged in above rule (mappedByIsValid) |
| if (! ((RelationshipMapping) mappedByMapping).isRelationshipOwner()) { |
| messages.add( |
| DefaultJpaValidationMessages.buildMessage( |
| IMessage.HIGH_SEVERITY, |
| JpaValidationMessages.MAPPING_MAPPED_BY_ON_BOTH_SIDES, |
| this, |
| this.getValidationTextRange() |
| ) |
| ); |
| } |
| } |
| |
| public TextRange getValidationTextRange() { |
| TextRange mappedByTextRange = this.resource.getMappedByTextRange(); |
| return mappedByTextRange != null ? mappedByTextRange : getRelationshipReference().getValidationTextRange(); |
| } |
| } |