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/*
* Copyright (c) 2008-2013, 2019 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
* Simon McDuff - delta support
*/
package org.eclipse.emf.cdo.common.revision;
import org.eclipse.emf.cdo.common.branch.CDOBranch;
import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
import org.eclipse.emf.cdo.common.branch.CDOBranchVersion;
import org.eclipse.emf.cdo.common.commit.CDOCommitInfo;
import org.eclipse.emf.cdo.common.model.CDOClassInfo;
import org.eclipse.emf.cdo.common.revision.delta.CDORevisionDelta;
import org.eclipse.emf.cdo.common.security.CDOPermission;
import org.eclipse.emf.cdo.common.security.CDOPermissionProvider;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
/**
* Encapsulates the immutable system information of a <b>single</b> CDO {@link EObject object} between two
* {@link CDOCommitInfo commits} in a {@link CDOBranch branch} and provides access to its modeled
* {@link CDORevisionData data}.
*
* @author Eike Stepper
* @noextend This interface is not intended to be extended by clients.
* @noimplement This interface is not intended to be implemented by clients.
*/
public interface CDORevision extends CDORevisionKey, CDORevisable
{
/**
* @since 3.0
*/
public static final int MAIN_BRANCH_ID = CDOBranch.MAIN_BRANCH_ID;
/**
* @since 3.0
*/
public static final int FIRST_VERSION = CDOBranchVersion.FIRST_VERSION;
public static final int UNCHUNKED = -1;
/**
* @since 3.0
*/
public static final int DEPTH_NONE = 0;
/**
* @since 3.0
*/
public static final int DEPTH_INFINITE = -1;
/**
* @since 4.1
*/
public static final CDOPermissionProvider PERMISSION_PROVIDER = new CDOPermissionProvider()
{
public CDOPermission getPermission(CDORevision revision, CDOBranchPoint securityContext)
{
return revision.getPermission();
}
};
/**
* @since 4.2
*/
public CDOClassInfo getClassInfo();
/**
* @since 2.0
*/
public EClass getEClass();
/**
* Returns <code>true</code> exactly if {@link #getTimeStamp()} does not return {@link #UNSPECIFIED_DATE},
* <code>false</code> otherwise.
*
* @since 3.0
*/
public boolean isHistorical();
public boolean isValid(long timeStamp);
/**
* @since 4.0
*/
public boolean isValid(CDOBranchPoint branchPoint);
/**
* @since 2.0
*/
public boolean isResourceNode();
/**
* @since 2.0
*/
public boolean isResourceFolder();
public boolean isResource();
/**
* @since 2.0
*/
public CDORevisionData data();
public CDORevisionDelta compare(CDORevision origin);
public void merge(CDORevisionDelta delta);
/**
* @since 2.0
*/
public CDORevision copy();
/**
* @since 4.1
*/
public CDOPermission getPermission();
/**
* @since 4.1
*/
public boolean isReadable();
/**
* @since 4.1
*/
public boolean isWritable();
}
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