001/*
002 * (C) Copyright 2013 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl-2.1.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Thomas Roger
016 */
017
018package org.nuxeo.ecm.imaging.recompute;
019
020import static org.nuxeo.ecm.platform.picture.api.ImagingDocumentConstants.PICTURE_FACET;
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
027public class ImagingRecomputeWork extends AbstractWork {
028
029    protected final static int BATCH_SIZE = 10;
030
031    protected String repositoryName;
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        initSession();
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}