001/* 002 * (C) Copyright 2018 Nuxeo (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 * Antoine Taillefer <ataillefer@nuxeo.com> 018 */ 019package org.nuxeo.ecm.platform.thumbnail.work; 020 021import org.nuxeo.ecm.core.api.DocumentModel; 022import org.nuxeo.ecm.core.api.DocumentModelList; 023import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 024import org.nuxeo.ecm.core.work.AbstractWork; 025import org.nuxeo.ecm.platform.thumbnail.ThumbnailConstants; 026import org.nuxeo.ecm.platform.thumbnail.action.RecomputeThumbnailsAction; 027 028/** 029 * Work to recompute the thumbnail of the documents resulting from the provided NXQL query. 030 * 031 * @since 10.10 032 * @deprecated since 11.1. Use {@link RecomputeThumbnailsAction} instead 033 */ 034@Deprecated 035public class ThumbnailRecomputeWork extends AbstractWork { 036 037 private static final long serialVersionUID = 1L; 038 039 protected static final int BATCH_SIZE = 10; 040 041 protected String nxqlQuery; 042 043 public ThumbnailRecomputeWork(String repositoryName, String nxqlQuery) { 044 this.repositoryName = repositoryName; 045 this.nxqlQuery = nxqlQuery; 046 } 047 048 @Override 049 public String getTitle() { 050 return "Thumbnails Recomputation"; 051 } 052 053 @Override 054 public void work() { 055 setProgress(Progress.PROGRESS_INDETERMINATE); 056 057 openSystemSession(); 058 DocumentModelList docs = session.query(nxqlQuery); 059 long docsUpdated = 0; 060 061 setStatus("Generating thumbnails"); 062 for (DocumentModel doc : docs) { 063 if (doc.hasFacet(ThumbnailConstants.THUMBNAIL_FACET)) { 064 BlobHolder blobHolder = doc.getAdapter(BlobHolder.class); 065 if (blobHolder.getBlob() != null) { 066 // make sure the blob property is dirty for the CheckBlobUpdateListener to trigger the 067 // UpdateThumbnailListener 068 blobHolder.setBlob(blobHolder.getBlob()); 069 session.saveDocument(doc); 070 docsUpdated++; 071 if (docsUpdated % BATCH_SIZE == 0) { 072 commitOrRollbackTransaction(); 073 startTransaction(); 074 } 075 } 076 } 077 } 078 setStatus("Done"); 079 } 080 081}