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/***************************************************************************
* Copyright (c) 2004 - 2007 Eike Stepper, Germany.
* 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
**************************************************************************/
package org.eclipse.emf.cdo.server.internal.db;
import org.eclipse.emf.cdo.internal.protocol.model.CDOClassImpl;
import org.eclipse.emf.cdo.internal.protocol.model.CDOClassProxy;
import org.eclipse.emf.cdo.internal.protocol.model.CDOFeatureImpl;
import org.eclipse.emf.cdo.internal.protocol.model.CDOPackageImpl;
import org.eclipse.emf.cdo.internal.protocol.revision.CDORevisionImpl;
import org.eclipse.emf.cdo.protocol.CDOIDRange;
import org.eclipse.emf.cdo.server.IStoreWriter;
import org.eclipse.emf.cdo.server.IView;
import org.eclipse.emf.cdo.server.db.IMappingStrategy;
import org.eclipse.emf.cdo.server.internal.db.bundle.OM;
import org.eclipse.net4j.db.DBException;
import org.eclipse.net4j.db.DBUtil;
import org.eclipse.net4j.db.IDBTable;
import org.eclipse.net4j.internal.util.om.trace.ContextTracer;
import java.sql.SQLException;
import java.util.Collection;
/**
* @author Eike Stepper
*/
public class DBStoreWriter extends DBStoreReader implements IStoreWriter
{
private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG, DBStoreWriter.class);
private IView view;
public DBStoreWriter(DBStore store, IView view) throws DBException
{
super(store);
this.view = view;
try
{
connection.setAutoCommit(false);
}
catch (SQLException ex)
{
throw new DBException(ex);
}
}
@Override
public void release() throws DBException
{
try
{
connection.commit();
}
catch (SQLException ex)
{
throw new DBException(ex);
}
super.release();
}
public IView getView()
{
return view;
}
public void writePackages(CDOPackageImpl... cdoPackages)
{
for (CDOPackageImpl cdoPackage : cdoPackages)
{
int id = store.getNextPackageID();
cdoPackage.setServerInfo(new DBPackageInfo(id));
if (TRACER.isEnabled())
{
TRACER.format("Inserting package: {0} --> {1}", cdoPackage, id);
}
String packageURI = cdoPackage.getPackageURI();
String name = cdoPackage.getName();
String ecore = cdoPackage.getEcore();
boolean dynamic = cdoPackage.isDynamic();
CDOIDRange metaIDRange = cdoPackage.getMetaIDRange();
long lb = metaIDRange == null ? 0L : metaIDRange.getLowerBound().getValue();
long ub = metaIDRange == null ? 0L : metaIDRange.getUpperBound().getValue();
DBUtil.insertRow(connection, CDODBSchema.PACKAGES, id, packageURI, name, ecore, dynamic, lb, ub);
for (CDOClassImpl cdoClass : cdoPackage.getClasses())
{
writeClass(cdoClass);
}
}
IMappingStrategy mappingStrategy = store.getMappingStrategy();
Collection<IDBTable> affectedTables = mappingStrategy.map(cdoPackages);
store.getDBAdapter().createTables(affectedTables, connection);
}
public void writeClass(CDOClassImpl cdoClass)
{
int id = store.getNextClassID();
cdoClass.setServerInfo(new DBClassInfo(id));
CDOPackageImpl cdoPackage = cdoClass.getContainingPackage();
int packageID = ((DBPackageInfo)cdoPackage.getServerInfo()).getID();
int classifierID = cdoClass.getClassifierID();
String name = cdoClass.getName();
boolean isAbstract = cdoClass.isAbstract();
DBUtil.insertRow(connection, CDODBSchema.CLASSES, id, packageID, classifierID, name, isAbstract);
for (CDOClassProxy superType : cdoClass.getSuperTypeProxies())
{
writeSuperType(id, superType);
}
for (CDOFeatureImpl feature : cdoClass.getFeatures())
{
writeFeature(feature);
}
}
public void writeSuperType(int type, CDOClassProxy superType)
{
String packageURI = superType.getPackageURI();
int classifierID = superType.getClassifierID();
DBUtil.insertRow(connection, CDODBSchema.SUPERTYPES, type, packageURI, classifierID);
}
public void writeFeature(CDOFeatureImpl feature)
{
int id = store.getNextFeatureID();
feature.setServerInfo(new DBFeatureInfo(id));
int classID = ((DBClassInfo)feature.getContainingClass().getServerInfo()).getID();
String name = feature.getName();
int featureID = feature.getFeatureID();
int type = feature.getType().getTypeID();
CDOClassProxy reference = feature.getReferenceTypeProxy();
String packageURI = reference == null ? null : reference.getPackageURI();
int classifierID = reference == null ? 0 : reference.getClassifierID();
boolean many = feature.isMany();
boolean containment = feature.isContainment();
int idx = feature.getFeatureIndex();
DBUtil.insertRow(connection, CDODBSchema.FEATURES, id, classID, featureID, name, type, packageURI, classifierID,
many, containment, idx);
}
public void writeRevision(CDORevisionImpl revision)
{
store.getMappingStrategy().writeRevision(connection, revision);
}
}
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