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/*
* Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
* Stefan Winkler - Bug 271444: [DB] Multiple refactorings bug 271444
* Christopher Albert - Bug 254455: [DB] Support FeatureMaps bug 254455
* Stefan Winkler - derived branch mapping from audit mapping
*/
package org.eclipse.emf.cdo.server.internal.db.mapping.horizontal;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.server.db.IDBStoreAccessor;
import org.eclipse.emf.cdo.server.db.mapping.IMappingStrategy;
import org.eclipse.emf.cdo.server.internal.db.CDODBSchema;
import org.eclipse.net4j.db.DBType;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import java.sql.PreparedStatement;
import java.sql.SQLException;
/**
* This is a featuremap-table mapping for audit mode. It has ID and version columns and no delta support.
*
* @author Eike Stepper
* @author Stefan Winkler
* @since 3.0
*/
public class BranchingFeatureMapTableMapping extends AbstractFeatureMapTableMapping
{
private FieldInfo[] keyFields;
public BranchingFeatureMapTableMapping(IMappingStrategy mappingStrategy, EClass eClass, EStructuralFeature feature)
{
super(mappingStrategy, eClass, feature);
}
@Override
protected FieldInfo[] getKeyFields()
{
if (keyFields == null)
{
keyFields = new FieldInfo[] {
new FieldInfo(CDODBSchema.FEATUREMAP_REVISION_ID, getMappingStrategy().getStore().getIDHandler().getDBType()),
new FieldInfo(CDODBSchema.FEATUREMAP_BRANCH, DBType.INTEGER),
new FieldInfo(CDODBSchema.FEATUREMAP_VERSION, DBType.INTEGER) };
}
return keyFields;
}
@Override
protected void setKeyFields(PreparedStatement stmt, CDORevision revision) throws SQLException
{
getMappingStrategy().getStore().getIDHandler().setCDOID(stmt, 1, revision.getID());
stmt.setInt(2, revision.getBranch().getID());
stmt.setInt(3, revision.getVersion());
}
public void objectDetached(IDBStoreAccessor accessor, CDOID id, long revised)
{
// the audit list mapping does not care about revised references -> NOP
}
}
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