/*******************************************************************************
* Copyright (c) 2012, 2015 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 v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* 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.columns;
import org.eclipse.persistence.internal.jpa.metadata.accessors.MetadataAccessor;
import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAnnotation;
/**
* INTERNAL:
* Object to process JPA primary key foreign key metadata.
*
* 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 EclipseLink 2.5
*/
public class PrimaryKeyForeignKeyMetadata extends ForeignKeyMetadata {
/**
* INTERNAL:
* Used for XML loading.
*/
public PrimaryKeyForeignKeyMetadata() {
super("<primary-key-foreign-key>");
}
/**
* INTERNAL:
* Used for annotation loading.
*/
public PrimaryKeyForeignKeyMetadata(ForeignKeyMetadata foreignKey) {
super(foreignKey);
}
/**
* INTERNAL:
* Used for annotation loading.
*/
public PrimaryKeyForeignKeyMetadata(MetadataAnnotation primaryKeyForeignKey, MetadataAccessor accessor) {
super(primaryKeyForeignKey, accessor);
}
}