org.eobjects.metamodel.jdbc.JdbcSchema Maven / Gradle / Ivy
/**
* eobjects.org MetaModel
* Copyright (C) 2010 eobjects.org
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.eobjects.metamodel.jdbc;
import java.io.ObjectStreamException;
import org.eobjects.metamodel.schema.MutableSchema;
import org.eobjects.metamodel.schema.MutableTable;
import org.eobjects.metamodel.schema.Schema;
/**
* Schema implementation for JDBC data contexts
*
* @author Kasper Sørensen
*/
final class JdbcSchema extends MutableSchema {
private static final long serialVersionUID = 7543633400859277467L;
private transient MetadataLoader _metadataLoader;
public JdbcSchema(String name, MetadataLoader metadataLoader) {
super(name);
_metadataLoader = metadataLoader;
}
protected void refreshTables() {
if (_metadataLoader != null) {
_metadataLoader.loadTables(this);
}
}
public void loadRelations() {
if (_metadataLoader != null) {
_metadataLoader.loadRelations(this);
}
}
public Schema toSerializableForm() {
MutableTable[] tables = getTables();
for (MutableTable table : tables) {
table.getColumns();
table.getIndexedColumns();
table.getPrimaryKeys();
}
loadRelations();
return this;
}
/**
* Called by the Java Serialization API to serialize the object.
*/
private Object writeReplace() throws ObjectStreamException {
return toSerializableForm();
}
}