| /** |
| * 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 |
| * Kai Schlamp - bug 282976: [DB] Influence Mappings through EAnnotations |
| * Stefan Winkler - bug 282976: [DB] Influence Mappings through EAnnotations |
| */ |
| package org.eclipse.emf.cdo.server.db; |
| |
| import org.eclipse.emf.cdo.common.id.CDOID; |
| import org.eclipse.emf.cdo.common.protocol.CDODataInput; |
| import org.eclipse.emf.cdo.common.protocol.CDODataOutput; |
| import org.eclipse.emf.cdo.spi.common.model.InternalCDOPackageUnit; |
| |
| import org.eclipse.net4j.util.om.monitor.OMMonitor; |
| |
| import org.eclipse.emf.ecore.EModelElement; |
| import org.eclipse.emf.ecore.EPackage; |
| |
| import java.io.IOException; |
| import java.sql.Connection; |
| import java.util.Collection; |
| |
| /** |
| * @author Eike Stepper |
| * @since 2.0 |
| * @noextend This interface is not intended to be extended by clients. |
| * @noimplement This interface is not intended to be implemented by clients. |
| */ |
| public interface IMetaDataManager |
| { |
| /** |
| * Returns the meta ID of the given {@link EModelElement}. <code> getMetaID(getMetaInstance(x))</code> yields |
| * <code>x</code> |
| * |
| * @param modelElement |
| * the element |
| * @return the corresponding ID |
| * @since 4.0 |
| */ |
| public CDOID getMetaID(EModelElement modelElement, long commitTime); |
| |
| /** |
| * Returns the {@link EModelElement} referred to by the given ID. <code> getMetaInstance(getMetaID(m))</code> yields |
| * <code>m</code> |
| * |
| * @since 4.0 |
| */ |
| public EModelElement getMetaInstance(CDOID id); |
| |
| /** |
| * Loads a package unit from the database. |
| * |
| * @param connection |
| * the DB connection to read from. |
| * @param packageUnit |
| * the package unit to load. |
| * @return the loaded package unit. |
| * @since 2.0 |
| */ |
| public EPackage[] loadPackageUnit(Connection connection, InternalCDOPackageUnit packageUnit); |
| |
| /** |
| * @since 4.0 |
| */ |
| public void clearMetaIDMappings(); |
| |
| /** |
| * Reads information about package units present in the database. |
| * |
| * @param connection |
| * the DB connection to read from. |
| * @return a collection of package unit information records which can be passed to |
| * {@link IMetaDataManager#loadPackageUnit(Connection, InternalCDOPackageUnit)} in order to read the EPackage. |
| * @since 2.0 |
| */ |
| public Collection<InternalCDOPackageUnit> readPackageUnits(Connection connection); |
| |
| /** |
| * Write package units to the database. |
| * |
| * @param connection |
| * the DB connection to write to. |
| * @param packageUnits |
| * the package units to write. |
| * @param monitor |
| * the monitor to indicate progress. |
| * @since 2.0 |
| */ |
| public void writePackageUnits(Connection connection, InternalCDOPackageUnit[] packageUnits, OMMonitor monitor); |
| |
| /** |
| * @since 3.0 |
| */ |
| public void rawExport(Connection connection, CDODataOutput out, long fromCommitTime, long toCommitTime) |
| throws IOException; |
| |
| /** |
| * @since 4.0 |
| */ |
| public Collection<InternalCDOPackageUnit> rawImport(Connection connection, CDODataInput in, long fromCommitTime, |
| long toCommitTime, OMMonitor monitor) throws IOException; |
| |
| } |