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 org.nuxeo.ecm.core.api.DocumentModel; 023import org.nuxeo.ecm.core.api.DocumentModelList; 024import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 025import org.nuxeo.ecm.core.work.AbstractWork; 026 027import static org.nuxeo.ecm.platform.picture.api.ImagingDocumentConstants.PICTURE_FACET; 028 029public class ImagingRecomputeWork extends AbstractWork { 030 031 protected final static int BATCH_SIZE = 10; 032 033 protected String nxqlQuery; 034 035 public ImagingRecomputeWork(String repositoryName, String nxqlQuery) { 036 this.repositoryName = repositoryName; 037 this.nxqlQuery = nxqlQuery; 038 } 039 040 @Override 041 public String getTitle() { 042 return "Picture Views Recomputation"; 043 } 044 045 @Override 046 public void work() { 047 setProgress(Progress.PROGRESS_INDETERMINATE); 048 049 openSystemSession(); 050 DocumentModelList docs = session.query(nxqlQuery); 051 long docsUpdated = 0; 052 053 setStatus("Generating views"); 054 for (DocumentModel doc : docs) { 055 if (doc.hasFacet(PICTURE_FACET)) { 056 BlobHolder blobHolder = doc.getAdapter(BlobHolder.class); 057 if (blobHolder.getBlob() != null) { 058 blobHolder.setBlob(blobHolder.getBlob()); 059 session.saveDocument(doc); 060 docsUpdated++; 061 if (docsUpdated % BATCH_SIZE == 0) { 062 commitOrRollbackTransaction(); 063 startTransaction(); 064 } 065 } 066 } 067 } 068 setStatus("Done"); 069 } 070 071}