| /* |
| * Copyright (c) 1998, 2020 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| // 05/16/2008-1.0M8 Guy Pelletier |
| // - 218084: Implement metadata merging functionality between mapping files |
| // 02/06/2009-2.0 Guy Pelletier |
| // - 248293: JPA 2.0 Element Collections (part 2) |
| // 03/27/2009-2.0 Guy Pelletier |
| // - 241413: JPA 2.0 Add EclipseLink support for Map type attributes |
| // 04/24/2009-2.0 Guy Pelletier |
| // - 270011: JPA 2.0 MappedById support |
| // 11/02/2009-2.0 Michael O'Brien |
| // - 266912: JPA 2.0 Metamodel support for m:1 as m:m in DI 96 |
| // 04/27/2010-2.1 Guy Pelletier |
| // - 309856: MappedSuperclasses from XML are not being initialized properly |
| // 06/14/2010-2.2 Guy Pelletier |
| // - 264417: Table generation is incorrect for JoinTables in AssociationOverrides |
| // 03/24/2011-2.3 Guy Pelletier |
| // - 337323: Multi-tenant with shared schema support (part 1) |
| // 11/19/2012-2.5 Guy Pelletier |
| // - 389090: JPA 2.1 DDL Generation Support (foreign key metadata support) |
| package org.eclipse.persistence.internal.jpa.metadata.accessors.mappings; |
| |
| import org.eclipse.persistence.internal.jpa.metadata.MetadataLogger; |
| |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.classes.ClassAccessor; |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAnnotatedElement; |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAnnotation; |
| |
| import org.eclipse.persistence.mappings.ManyToOneMapping; |
| import org.eclipse.persistence.mappings.ObjectReferenceMapping; |
| |
| /** |
| * INTERNAL: |
| * A many to one relationship accessor. |
| * |
| * Key notes: |
| * - any metadata mapped from XML to this class must be compared in the |
| * equals method. |
| * - any metadata mapped from XML to this class must be handled in the merge |
| * method. (merging is done at the accessor/mapping level) |
| * - any metadata mapped from XML to this class must be initialized in the |
| * initXMLObject method. |
| * - methods should be preserved in alphabetical order. |
| * |
| * @author Guy Pelletier |
| * @since TopLink EJB 3.0 Reference Implementation |
| */ |
| public class ManyToOneAccessor extends ObjectAccessor { |
| /** |
| * INTERNAL: |
| */ |
| public ManyToOneAccessor() { |
| super("<many-to-one>"); |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| public ManyToOneAccessor(MetadataAnnotation manyToOne, MetadataAnnotatedElement annotatedElement, ClassAccessor classAccessor) { |
| super(manyToOne, annotatedElement, classAccessor); |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public boolean equals(Object objectToCompare) { |
| return super.equals(objectToCompare) && objectToCompare instanceof ManyToOneAccessor; |
| } |
| |
| @Override |
| public int hashCode() { |
| return super.hashCode(); |
| } |
| |
| /** |
| * INTERNAL: |
| * Return the logging context for this accessor. |
| */ |
| @Override |
| protected String getLoggingContext() { |
| return MetadataLogger.MANY_TO_ONE_MAPPING_REFERENCE_CLASS; |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public boolean isManyToOne() { |
| return true; |
| } |
| |
| /** |
| * INTERNAL: |
| * A PrivateOwned setting on a ManyToOne is ignored. A log warning is |
| * issued. |
| */ |
| @Override |
| public boolean isPrivateOwned() { |
| if (super.isPrivateOwned()) { |
| getLogger().logWarningMessage(MetadataLogger.IGNORE_PRIVATE_OWNED_ANNOTATION, this); |
| } |
| |
| return false; |
| } |
| |
| /** |
| * INTERNAL: |
| * Process a many to one setting into an EclipseLink OneToOneMapping. |
| */ |
| @Override |
| public void process() { |
| super.process(); |
| |
| // Initialize our mapping now with what we found. |
| ObjectReferenceMapping mapping = initManyToOneMapping(); |
| |
| if (mapping instanceof ManyToOneMapping) { |
| // Process the owning keys for this mapping. |
| processOwningMappingKeys((ManyToOneMapping) mapping); |
| } else { |
| processForeignKeyRelationship(mapping); |
| } |
| } |
| } |