| /* |
| * 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 file |
| // 04/27/2010-2.1 Guy Pelletier |
| // - 309856: MappedSuperclasses from XML are not being initialized properly |
| // 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) |
| // 12/07/2012-2.5 Guy Pelletier |
| // - 389090: JPA 2.1 DDL Generation Support (foreign key metadata support) |
| // 02/20/2013-2.5 Guy Pelletier |
| // - 389090: JPA 2.1 DDL Generation Support (foreign key metadata support) |
| package org.eclipse.persistence.internal.jpa.metadata.tables; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.MetadataAccessor; |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAccessibleObject; |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAnnotation; |
| import org.eclipse.persistence.internal.jpa.metadata.columns.PrimaryKeyForeignKeyMetadata; |
| import org.eclipse.persistence.internal.jpa.metadata.columns.PrimaryKeyJoinColumnMetadata; |
| import org.eclipse.persistence.internal.jpa.metadata.xml.XMLEntityMappings; |
| import org.eclipse.persistence.internal.jpa.metadata.MetadataLogger; |
| |
| /** |
| * INTERNAL: |
| * Object to hold onto a secondary table metadata in a TopLink database table. |
| * |
| * Key notes: |
| * - any metadata mapped from XML to this class must be compared in the |
| * equals method. |
| * - when loading from annotations, the constructor accepts the metadata |
| * accessor this metadata was loaded from. Used it to look up any |
| * 'companion' annotation needed for processing. |
| * - methods should be preserved in alphabetical order. |
| * |
| * @author Guy Pelletier |
| * @since TopLink EJB 3.0 Reference Implementation |
| */ |
| public class SecondaryTableMetadata extends TableMetadata { |
| private PrimaryKeyForeignKeyMetadata m_primaryKeyForeignKey; |
| private List<PrimaryKeyJoinColumnMetadata> m_primaryKeyJoinColumns = new ArrayList<PrimaryKeyJoinColumnMetadata>(); |
| |
| /** |
| * INTERNAL: |
| * Used for XML loading. |
| */ |
| public SecondaryTableMetadata() { |
| super("<secondary-table>"); |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for annotation loading. |
| */ |
| public SecondaryTableMetadata(MetadataAnnotation secondaryTable, MetadataAccessor accessor) { |
| super(secondaryTable, accessor); |
| |
| if (secondaryTable != null) { |
| for (Object pkJoinColumn : secondaryTable.getAttributeArray("pkJoinColumns")) { |
| PrimaryKeyJoinColumnMetadata primaryKeyJoinColumn = new PrimaryKeyJoinColumnMetadata((MetadataAnnotation) pkJoinColumn, accessor); |
| m_primaryKeyJoinColumns.add(primaryKeyJoinColumn); |
| } |
| |
| // Set the foreign key if one is specified in the annotation. |
| if (secondaryTable.hasAttribute("foreignKey")) { |
| m_primaryKeyForeignKey = new PrimaryKeyForeignKeyMetadata(secondaryTable.getAttributeAnnotation("foreignKey"), accessor); |
| } |
| } |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public boolean equals(Object objectToCompare) { |
| if (super.equals(objectToCompare) && objectToCompare instanceof SecondaryTableMetadata) { |
| SecondaryTableMetadata secondaryTable = (SecondaryTableMetadata) objectToCompare; |
| |
| if (! valuesMatch(m_primaryKeyForeignKey, secondaryTable.getPrimaryKeyForeignKey())) { |
| return false; |
| } |
| |
| return valuesMatch(m_primaryKeyJoinColumns, secondaryTable.getPrimaryKeyJoinColumns()); |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = m_primaryKeyForeignKey != null ? m_primaryKeyForeignKey.hashCode() : 0; |
| result = 31 * result + (m_primaryKeyJoinColumns != null ? m_primaryKeyJoinColumns.hashCode() : 0); |
| return result; |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public String getCatalogContext() { |
| return MetadataLogger.SECONDARY_TABLE_CATALOG; |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public String getNameContext() { |
| return MetadataLogger.SECONDARY_TABLE_NAME; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public PrimaryKeyForeignKeyMetadata getPrimaryKeyForeignKey() { |
| return m_primaryKeyForeignKey; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public List<PrimaryKeyJoinColumnMetadata> getPrimaryKeyJoinColumns() { |
| return m_primaryKeyJoinColumns; |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public String getSchemaContext() { |
| return MetadataLogger.SECONDARY_TABLE_SCHEMA; |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public void initXMLObject(MetadataAccessibleObject accessibleObject, XMLEntityMappings entityMappings) { |
| super.initXMLObject(accessibleObject, entityMappings); |
| |
| // Initialize single objects. |
| initXMLObject(m_primaryKeyForeignKey, accessibleObject); |
| |
| // Initialize lists of ORMetadata objects. |
| initXMLObjects(m_primaryKeyJoinColumns, accessibleObject); |
| } |
| |
| /** |
| * INTERNAL: |
| * Process any primary key foreign key specification for this table. |
| */ |
| @Override |
| public void processForeignKey() { |
| if (m_primaryKeyForeignKey != null) { |
| m_primaryKeyForeignKey.process(getDatabaseTable()); |
| } |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public void setPrimaryKeyForeignKey(PrimaryKeyForeignKeyMetadata primaryKeyForeignKey) { |
| m_primaryKeyForeignKey = primaryKeyForeignKey; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public void setPrimaryKeyJoinColumns(List<PrimaryKeyJoinColumnMetadata> primaryKeyJoinColumns) { |
| m_primaryKeyJoinColumns = primaryKeyJoinColumns; |
| } |
| } |