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/*
* Copyright (c) 2010-2013, 2016 Eike Stepper (Loehne, 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
*/
package org.eclipse.emf.cdo.server.internal.db.mapping.horizontal;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.model.CDOClassifierRef;
import org.eclipse.emf.cdo.common.protocol.CDODataInput;
import org.eclipse.emf.cdo.common.protocol.CDODataOutput;
import org.eclipse.emf.cdo.server.db.IDBStoreAccessor;
import org.eclipse.emf.cdo.server.db.IIDHandler;
import org.eclipse.emf.cdo.server.internal.db.IObjectTypeMapper;
import org.eclipse.net4j.util.lifecycle.LifecycleUtil;
import org.eclipse.net4j.util.om.monitor.OMMonitor;
import org.eclipse.emf.ecore.EClass;
import java.io.IOException;
import java.sql.Connection;
/**
* @author Eike Stepper
* @since 4.0
*/
public abstract class DelegatingObjectTypeMapper extends AbstractObjectTypeMapper
{
private IObjectTypeMapper delegate;
public DelegatingObjectTypeMapper()
{
}
public IObjectTypeMapper getDelegate()
{
return delegate;
}
public void setDelegate(IObjectTypeMapper delegate)
{
this.delegate = delegate;
}
public CDOClassifierRef getObjectType(IDBStoreAccessor accessor, CDOID id)
{
CDOID type = doGetObjectType(accessor, id);
if (type != null)
{
EClass eClass = (EClass)getMetaDataManager().getMetaInstance(type);
return new CDOClassifierRef(eClass);
}
return delegate.getObjectType(accessor, id);
}
public boolean putObjectType(IDBStoreAccessor accessor, long timeStamp, CDOID id, EClass type)
{
CDOID classID = getMetaDataManager().getMetaID(type, timeStamp);
if (!doPutObjectType(accessor, id, classID))
{
return false;
}
return delegate.putObjectType(accessor, timeStamp, id, type);
}
public boolean removeObjectType(IDBStoreAccessor accessor, CDOID id)
{
doRemoveObjectType(accessor, id);
return delegate.removeObjectType(accessor, id);
}
public CDOID getMaxID(Connection connection, IIDHandler idHandler)
{
CDOID maxID = doGetMaxID(connection, idHandler);
if (maxID != null)
{
return maxID;
}
return delegate.getMaxID(connection, idHandler);
}
public void rawExport(Connection connection, CDODataOutput out, long fromCommitTime, long toCommitTime) throws IOException
{
delegate.rawExport(connection, out, fromCommitTime, toCommitTime);
}
public void rawImport(Connection connection, CDODataInput in, OMMonitor monitor) throws IOException
{
delegate.rawImport(connection, in, monitor);
}
@Override
protected void doBeforeActivate() throws Exception
{
super.doBeforeActivate();
checkState(delegate, "delegate");
}
@Override
protected void doActivate() throws Exception
{
super.doActivate();
LifecycleUtil.activate(delegate);
}
@Override
protected void doDeactivate() throws Exception
{
LifecycleUtil.deactivate(delegate);
super.doDeactivate();
}
protected abstract CDOID doGetMaxID(Connection connection, IIDHandler idHandler);
protected abstract CDOID doGetObjectType(IDBStoreAccessor accessor, CDOID id);
protected abstract boolean doPutObjectType(IDBStoreAccessor accessor, CDOID id, CDOID type);
protected abstract boolean doRemoveObjectType(IDBStoreAccessor accessor, CDOID id);
}
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