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/***************************************************************************
* Copyright (c) 2004 - 2008 Eike Stepper, Germany.
* 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;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.net4j.util.lifecycle.LifecycleUtil;
/**
* A simple in-memory store.
*
* @author Eike Stepper
* @since 2.0
*/
public interface IMEMStore extends IStore
{
public static final int UNLIMITED = -1;
/**
* Returns the number of {@link CDORevision revisions} per {@link CDOID} that are stored.
*/
public int getListLimit();
/**
* Limits the number of {@link CDORevision revisions} per {@link CDOID} to the given value.
* <p>
* A value of 2, for example, stores the current and the immediately preceding revisions whereas older revisions are
* dropped from thids store. A value of 1 only stores the current revisions. A value of {@link #UNLIMITED} does not
* limit the number of revisions to be stored for any id.
* <p>
* The list limit can be set and enforced at any time before or after the {@link LifecycleUtil#activate(Object)
* activation} of this store.
*/
public void setListLimit(int listLimit);
}
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