/*
 * #%L
 * Alfresco Search Services
 * %%
 * Copyright (C) 2005 - 2020 Alfresco Software Limited
 * %%
 * This file is part of the Alfresco software. 
 * If the software was purchased under a paid Alfresco license, the terms of 
 * the paid license agreement will prevail.  Otherwise, the software is 
 * provided under the following open source license terms:
 * 
 * Alfresco is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Alfresco is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */

package org.alfresco.solr.cache;

import java.io.IOException;

import org.alfresco.solr.query.SolrCachingPathQuery;
import org.alfresco.solr.query.SolrPathQuery;
import org.apache.solr.search.CacheRegenerator;
import org.apache.solr.search.SolrCache;
import org.apache.solr.search.SolrIndexSearcher;

/**
 * {@link CacheRegenerator} for alfrescoPathCache
 * 
 * @author Matt Ward
 */
public class PathCacheRegenerator implements CacheRegenerator
{
    @SuppressWarnings({ "rawtypes" })
    @Override
    public boolean regenerateItem(SolrIndexSearcher newSearcher, SolrCache newCache,
                SolrCache oldCache, Object oldKey, Object oldVal) throws IOException
    {
        if (oldKey instanceof SolrPathQuery)
        {
            SolrPathQuery pathQuery = (SolrPathQuery) oldKey;
            // Re-execute the path query in a cache-aware context - causing new results to be cached.
            SolrCachingPathQuery cachingPathQuery = new SolrCachingPathQuery(pathQuery);
            newSearcher.getDocSet(cachingPathQuery);
        }
        return true;
    }

}
