001/*
002 *  Copyright 2010 Anyware Services
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 */
016package org.ametys.web.indexing.observation;
017
018import java.util.Map;
019
020import org.ametys.cms.content.indexing.solr.observation.ObserverHelper;
021import org.ametys.core.observation.Event;
022import org.ametys.core.observation.Observer;
023import org.ametys.web.ObservationConstants;
024import org.ametys.web.repository.page.Page;
025
026/**
027 * {@link Observer} for observing page creation or modification in order to
028 * synchronize Solr index associated.
029 */
030public class SolrPageChangePart1Observer extends AbstractSolrObserver
031{
032    @Override
033    public boolean supports(Event event)
034    {
035        String id = event.getId();
036        return id.equals(ObservationConstants.EVENT_PAGE_CHANGED) 
037            || id.equals(ObservationConstants.EVENT_ZONEITEM_ADDED)
038            || id.equals(ObservationConstants.EVENT_ZONEITEM_MOVED)
039            || id.equals(ObservationConstants.EVENT_ZONEITEM_DELETED)
040            || id.equals(ObservationConstants.EVENT_ZONEITEM_MODIFIED);
041    }
042    
043    @Override
044    public int getPriority(Event event)
045    {
046        // Will be processed BEFORE live synchronization observers, since pages have to be present in live to be unindexed
047        return MAX_PRIORITY + 500;
048    }
049    
050    @Override
051    public void observe(Event event, Map<String, Object> transientVars) throws Exception
052    {
053        if (ObserverHelper.isNotSuspendedObservationForIndexation())
054        {
055            Page page = (Page) event.getArguments().get(ObservationConstants.ARGS_PAGE);
056            
057            _solrPageIndexer.unindexPage(page.getId(), true, false);
058        }
059    }
060}