/*
 * JBoss, Home of Professional Open Source
 * Copyright 2009 Red Hat Inc. and/or its affiliates and other
 * contributors as indicated by the @author tags. All rights reserved.
 * See the copyright.txt in the distribution for a full listing of
 * individual contributors.
 *
 * This 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 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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 this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.infinispan.query.helper;

import junit.framework.Assert;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.Query;
import org.apache.lucene.util.Version;
import org.hibernate.search.spi.SearchFactoryIntegrator;
import org.infinispan.Cache;
import org.infinispan.factories.ComponentRegistry;
import org.infinispan.query.CacheQuery;
import org.infinispan.query.Search;
import org.infinispan.query.SearchManager;

/**
 * Creates a test query helper
 *
 * @author Manik Surtani
 * @author Sanne Grinovero
 * @since 4.0
 */
public class TestQueryHelperFactory {
   
   public static final Analyzer STANDARD_ANALYZER = new StandardAnalyzer(getLuceneVersion());
   
   public static QueryParser createQueryParser(String defaultFieldName) {
      return new QueryParser(getLuceneVersion(), defaultFieldName, STANDARD_ANALYZER);
   }
   
   public static Version getLuceneVersion() {
      return Version.LUCENE_30; //Change as needed
   }

   public static CacheQuery createCacheQuery(Cache m_cache, String fieldName, String searchString) throws ParseException {
      QueryParser qp = createQueryParser(fieldName);
      Query parsedQuery = qp.parse(searchString);
      SearchManager queryFactory = Search.getSearchManager(m_cache);
      CacheQuery cacheQuery = queryFactory.getQuery(parsedQuery);
      return cacheQuery;
   }
   
   public static SearchFactoryIntegrator extractSearchFactory(Cache cache) {
      ComponentRegistry componentRegistry = cache.getAdvancedCache().getComponentRegistry();
      SearchFactoryIntegrator component = componentRegistry.getComponent(SearchFactoryIntegrator.class);
      Assert.assertNotNull(component);
      return component;
   }
   
}