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}