/*
    * JBoss, Home of Professional Open Source.
    * Copyright 2012, Red Hat, Inc., and individual contributors
    * as indicated by the @author tags. See the copyright.txt file 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.xcmis.search.lucene;

import org.apache.lucene.index.IndexReader;
import org.apache.lucene.search.Collector;
import org.apache.lucene.search.Filter;
import org.apache.lucene.search.FilteredQuery;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Scorer;
import org.apache.lucene.search.Weight;

import java.io.IOException;

/**
 * @author <a href="mailto:haithanh0809@gmail.com">Hai Thanh Nguyen</a>
 * @version $Id$
 *
 */
public class Searcher extends IndexSearcher{

    private IndexReader reader;
    
    public Searcher(IndexReader r) {
        super(r);
        this.reader = r;
    }
    
    @Override
    public void search(Weight weight, Filter filter, Collector collector)
        throws IOException {
        
        if(filter != null)
        {
            super.search(weight, filter, collector);
            return;
        }

        collector.setNextReader(reader, 0);
        final Scorer scorer = weight.scorer(reader, !collector.acceptsDocsOutOfOrder(), true);
        if (scorer != null) {
          scorer.score(collector);
        }
    }
}