001/* 002 * (C) Copyright 2013 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 * Thomas Roger 018 */ 019 020package org.nuxeo.ecm.platform.picture.recompute; 021 022import static org.nuxeo.ecm.platform.picture.api.ImagingDocumentConstants.PICTURE_FACET; 023 024import org.nuxeo.ecm.core.api.DocumentModel; 025import org.nuxeo.ecm.core.api.DocumentModelList; 026import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 027import org.nuxeo.ecm.core.work.AbstractWork; 028 029public class ImagingRecomputeWork extends AbstractWork { 030 031 private static final long serialVersionUID = 1L; 032 033 protected static final int BATCH_SIZE = 10; 034 035 protected String nxqlQuery; 036 037 public ImagingRecomputeWork(String repositoryName, String nxqlQuery) { 038 this.repositoryName = repositoryName; 039 this.nxqlQuery = nxqlQuery; 040 } 041 042 @Override 043 public String getTitle() { 044 return "Picture Views Recomputation"; 045 } 046 047 @Override 048 public void work() { 049 setProgress(Progress.PROGRESS_INDETERMINATE); 050 051 openSystemSession(); 052 DocumentModelList docs = session.query(nxqlQuery); 053 long docsUpdated = 0; 054 055 setStatus("Generating views"); 056 for (DocumentModel doc : docs) { 057 if (doc.hasFacet(PICTURE_FACET)) { 058 BlobHolder blobHolder = doc.getAdapter(BlobHolder.class); 059 if (blobHolder.getBlob() != null) { 060 // make sure the blob property is dirty for the PictureChangedListener to not block the 061 // PictureViewsGenerationListener 062 blobHolder.setBlob(blobHolder.getBlob()); 063 session.saveDocument(doc); 064 docsUpdated++; 065 if (docsUpdated % BATCH_SIZE == 0) { 066 commitOrRollbackTransaction(); 067 startTransaction(); 068 } 069 } 070 } 071 } 072 setStatus("Done"); 073 } 074 075}