FacetGroup.java

/**   
 * License Agreement for OpenSearchServer
 *
 * Copyright (C) 2008 Emmanuel Keller / Jaeksoft
 * 
 * http://www.open-search-server.com
 * 
 * This file is part of OpenSearchServer.
 *
 * OpenSearchServer is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 * OpenSearchServer 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with OpenSearchServer. 
 *  If not, see <http://www.gnu.org/licenses/>.
 **/

package com.jaeksoft.searchlib.facet;

import java.io.IOException;
import java.util.Iterator;
import java.util.Map;

public class FacetGroup extends Facet {

	public FacetGroup(FacetField facetField) {
		super(facetField);
	}

	public void append(FacetList facetList) throws IOException {
		synchronized (this) {
			Facet facet = facetList.getByField(facetField.getName());
			if (facet != null)
				sum(facet);
		}
	}

	public void expunge() {
		Iterator<Map.Entry<String, FacetCounter>> iterator = iterator();
		int minCount = facetField.getMinCount();
		while (iterator.hasNext())
			if (iterator.next().getValue().count < minCount)
				iterator.remove();
		list = null;
	}

}