oracle.toplink.essentials.internal.ejb.cmp3.metadata.tables.MetadataJoinTable Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* glassfish/bootstrap/legal/CDDLv1.0.txt or
* https://glassfish.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
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// Copyright (c) 1998, 2007, Oracle. All rights reserved.
package oracle.toplink.essentials.internal.ejb.cmp3.metadata.tables;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataLogger;
import oracle.toplink.essentials.internal.ejb.cmp3.metadata.columns.MetadataJoinColumns;
/**
* Object to hold onto table metadata in a TopLink database table.
*
* @author Guy Pelletier
* @since TopLink EJB 3.0 Reference Implementation
*/
public class MetadataJoinTable extends MetadataTable {
private JoinColumn[] m_joinColumns;
private JoinColumn[] m_inverseJoinColumns;
protected MetadataJoinColumns m_jColumns;
protected MetadataJoinColumns m_inverseJColumns;
/**
* INTERNAL:
*/
public MetadataJoinTable(MetadataLogger logger) {
super(logger);
m_joinColumns = new JoinColumn[] {};
m_inverseJoinColumns = new JoinColumn[] {};
}
/**
* INTERNAL:
*/
public MetadataJoinTable(JoinTable joinTable, MetadataLogger logger) {
this(logger);
if (joinTable != null) {
m_name = joinTable.name();
m_schema = joinTable.schema();
m_catalog = joinTable.catalog();
m_joinColumns = joinTable.joinColumns();
m_inverseJoinColumns = joinTable.inverseJoinColumns();
processName();
processUniqueConstraints(joinTable.uniqueConstraints());
}
}
/**
* INTERNAL:
*/
public String getCatalogContext() {
return m_logger.JOIN_TABLE_CATALOG;
}
/**
* INTERNAL:
*/
public MetadataJoinColumns getInverseJoinColumns() {
if (m_inverseJColumns == null) {
m_inverseJColumns = processInverseJoinColumns();
}
return m_inverseJColumns;
}
/**
* INTERNAL:
*/
public MetadataJoinColumns getJoinColumns() {
if (m_jColumns == null) {
m_jColumns = processJoinColumns();
}
return m_jColumns;
}
/**
* INTERNAL:
*/
public String getNameContext() {
return m_logger.JOIN_TABLE_NAME;
}
/**
* INTERNAL:
*/
public String getSchemaContext() {
return m_logger.JOIN_TABLE_SCHEMA;
}
/**
* INTERNAL:
*/
public boolean loadedFromXML() {
return false;
}
/**
* INTERNAL: (Overridden in XMLJoinTable)
*/
protected MetadataJoinColumns processInverseJoinColumns() {
return new MetadataJoinColumns(m_inverseJoinColumns);
}
/**
* INTERNAL: (Overridden in XMLJoinTable)
*/
protected MetadataJoinColumns processJoinColumns() {
return new MetadataJoinColumns(m_joinColumns);
}
}