001/*
002 *  Copyright 2017 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.plugins.workspaces.indexing.project;
017
018import java.util.Map;
019
020import org.apache.avalon.framework.service.ServiceException;
021import org.apache.avalon.framework.service.ServiceManager;
022import org.apache.avalon.framework.service.Serviceable;
023
024import org.ametys.core.observation.Event;
025import org.ametys.core.observation.Observer;
026import org.ametys.plugins.workspaces.ObservationConstants;
027import org.ametys.plugins.workspaces.indexing.solr.SolrProjectIndexer;
028import org.ametys.plugins.workspaces.project.objects.Project;
029import org.ametys.runtime.plugin.component.AbstractLogEnabled;
030
031/**
032 * {@link Observer} for {@link Project} deletion, for unindexing all solr documents related to this project 
033 */
034public class SolrProjectDeletedObserver extends AbstractLogEnabled implements Observer, Serviceable
035{
036    /** The Solr project indexer */
037    protected SolrProjectIndexer _solrProjectIndexer;
038
039    @Override
040    public void service(ServiceManager manager) throws ServiceException
041    {
042        _solrProjectIndexer = (SolrProjectIndexer) manager.lookup(SolrProjectIndexer.ROLE);
043    }
044    
045    @Override
046    public boolean supports(Event event)
047    {
048        return ObservationConstants.EVENT_PROJECT_DELETED.equals(event.getId());
049    }
050    
051    @Override
052    public int getPriority(Event event)
053    {
054        return MAX_PRIORITY + 3000;
055    }
056    
057    @Override
058    public void observe(Event event, Map<String, Object> transientVars) throws Exception
059    {
060        // Unindex 
061        String projectId = (String) event.getArguments().get(ObservationConstants.ARGS_PROJECT_ID);
062        _solrProjectIndexer.unindexProject(projectId);
063    }
064}