| /** |
| * 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 |
| */ |
| 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 void putObjectType(IDBStoreAccessor accessor, long timeStamp, CDOID id, EClass type) |
| { |
| CDOID classID = getMetaDataManager().getMetaID(type, timeStamp); |
| doPutObjectType(accessor, id, classID); |
| |
| delegate.putObjectType(accessor, timeStamp, id, type); |
| } |
| |
| public void removeObjectType(IDBStoreAccessor accessor, CDOID id) |
| { |
| doRemoveObjectType(accessor, id); |
| 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 doGetObjectType(IDBStoreAccessor accessor, CDOID id); |
| |
| protected abstract void doPutObjectType(IDBStoreAccessor accessor, CDOID id, CDOID type); |
| |
| protected abstract void doRemoveObjectType(IDBStoreAccessor accessor, CDOID id); |
| |
| protected abstract CDOID doGetMaxID(Connection connection, IIDHandler idHandler); |
| } |