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.core.observation.Event;
021import org.ametys.core.observation.Observer;
022import org.ametys.web.ObservationConstants;
023
024/**
025 * {@link Observer} for observing page deletion in order to synchronize 
026 * Solr index associated.
027 */
028public class SolrPageDeletionObserver extends AbstractSolrObserver
029{
030    @Override
031    public boolean supports(Event event)
032    {
033        return event.getId().equals(ObservationConstants.EVENT_PAGE_DELETING);
034    }
035    
036    @Override
037    public int getPriority(Event event)
038    {
039        return MAX_PRIORITY + 500;
040    }
041    
042    @Override
043    public void observe(Event event, Map<String, Object> transientVars) throws Exception
044    {
045        String pageId = (String) event.getArguments().get(ObservationConstants.ARGS_PAGE_ID);
046        
047        if (getLogger().isInfoEnabled())
048        {
049            getLogger().info("Deleting solr document with id: " + pageId);
050        }
051        
052        // Unindex page in all workspaces
053        _solrPageIndexer.unindexPage(pageId, true, true);
054    }
055}