001/*
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Florent Guillaume
018 */
019
020package org.nuxeo.ecm.core.versioning;
021
022import org.apache.commons.logging.Log;
023import org.apache.commons.logging.LogFactory;
024import org.nuxeo.ecm.core.api.CoreSession;
025import org.nuxeo.ecm.core.model.Document;
026import org.nuxeo.ecm.core.model.Session;
027
028/**
029 * Version removal policy that does nothing.
030 *
031 * @author Florent Guillaume
032 */
033public class NullVersionRemovalPolicy implements VersionRemovalPolicy {
034
035    private static final Log log = LogFactory.getLog(NullVersionRemovalPolicy.class);
036
037    @Override
038    public void removeVersions(Session session, Document doc, CoreSession coreSession) {
039        log.debug("Removing no versions");
040        // do nothing
041    }
042
043}