alfresco-community-repo/source/java/org/alfresco/repo/domain/VersionCount.java

/*
 * Copyright (C) 2005 Alfresco, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program 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 General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.alfresco.repo.domain;

/**
 * Represents a version count entity for a particular store.
 * 
 * @author Derek Hulley
 */
public interface VersionCount
{
    /**
     * @return Returns the key for the version counter
     */
    public StoreKey getKey();

    /**
     * @param key the key uniquely identifying this version counter
     */
    public void setKey(StoreKey key);
    
    /**
     * Increments and returns the next version counter associated with this
     * store.
     * 
     * @return Returns the next version counter in the sequence
     * 
     * @see #getVersionCount()
     */
    public int incrementVersionCount();
    
    /**
     * Reset the store's version counter
     */
    public void resetVersionCount();
    
    /**
     * Retrieve the current version counter
     * 
     * @return Returns a current version counter
     * 
     * @see #incrementVersionCount()
     */
    public int getVersionCount();
    
    /**
     * Sets the current version counter
     * 
     * @param  versionCount  the new version counter
     */
    public void setVersionCount(int versionCount);
}