001/* 002 * (C) Copyright 2012 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 * Thierry Delprat 018 */ 019package org.nuxeo.ecm.platform.rendition.version; 020 021import java.util.Collections; 022import java.util.List; 023 024import org.nuxeo.ecm.core.api.CoreSession; 025import org.nuxeo.ecm.core.event.impl.ShallowDocumentModel; 026import org.nuxeo.ecm.core.versioning.OrphanVersionRemovalFilter; 027import org.nuxeo.ecm.platform.rendition.Constants; 028 029public class RenditionAwareVersionRemovalPolicy implements OrphanVersionRemovalFilter { 030 031 @Override 032 public List<String> getRemovableVersionIds(CoreSession session, ShallowDocumentModel deletedLiveDoc, 033 List<String> versionUUIDs) { 034 035 if (deletedLiveDoc.hasFacet(Constants.RENDITION_FACET)) { 036 // don't remove orphan rendition versions 037 return Collections.emptyList(); 038 } 039 return versionUUIDs; 040 } 041}