/*
* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.container.entries;
import org.infinispan.container.DataContainer;
/**
* An entry that can be safely copied when updates are made, to provide MVCC semantics
*
* @author Manik Surtani
* @since 4.0
*/
public interface MVCCEntry extends CacheEntry, StateChangingEntry {
/**
* Makes internal copies of the entry for updates
*
* @param container data container
* @param writeSkewCheck if true, write skews are tested for and exceptions are thrown if detected. Only applicable
* to {@link org.infinispan.util.concurrent.IsolationLevel#REPEATABLE_READ}.
*/
void copyForUpdate(DataContainer container, boolean writeSkewCheck);
/**
* Marks an entry as a lock placeholder
* @param placeholder if true, the entry is marked as a lock placeholder. If false, the entry is un-marked as a placeholder.
*/
void setLockPlaceholder(boolean placeholder);
}