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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
*/
package org.eclipse.emf.cdo.common.commit;
import org.eclipse.emf.cdo.common.branch.CDOBranchVersion;
import org.eclipse.emf.cdo.common.revision.CDOIDAndVersion;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.common.revision.CDORevisionKey;
import org.eclipse.emf.cdo.common.revision.delta.CDORevisionDelta;
import java.util.List;
/**
* A {@link CDOChangeKindProvider change kind provider} with detailed information about {@link #getNewObjects() new},
* {@link #getChangedObjects() changed} and {@link #getDetachedObjects() detached} objects.
*
* @author Eike Stepper
* @since 3.0
* @noextend This interface is not intended to be extended by clients.
* @noimplement This interface is not intended to be implemented by clients.
*/
public interface CDOChangeSetData extends CDOChangeKindProvider
{
/**
* Returns <code>true</code>, if this change set data does not contain any changes, <code>false</code> otherwise.
*/
public boolean isEmpty();
/**
* Returns a deep copy of this change set data.
*
* @since 4.0
*/
public CDOChangeSetData copy();
/**
* Changes the internal state of this change set data by adding the changes of the given change set data.
*
* @since 4.0
*/
public void merge(CDOChangeSetData changeSetData);
/**
* Returns a collection of keys denoting which revisions have been added in the context of a commit operation.
* Depending on various conditions like change subscriptions particular elements can also be full {@link CDORevision
* revisions}.
*/
public List<CDOIDAndVersion> getNewObjects();
/**
* Returns a collection of revision keys denoting which (original) revisions have been changed in the context of a
* commit operation. Depending on various conditions like change subscriptions particular elements can also be full
* {@link CDORevisionDelta revision deltas}.
*/
public List<CDORevisionKey> getChangedObjects();
/**
* Returns a collection of keys denoting which revisions have been revised (corresponds to detached objects) in the
* context of a commit operation. Depending on various conditions the version part of particular elements can be
* {@link CDOBranchVersion#UNSPECIFIED_VERSION unspecified}.
*/
public List<CDOIDAndVersion> getDetachedObjects();
}
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