/*
 * StructuredIntervalList.java
 *
 * Copyright (C) 2002-2006 Alexei Drummond and Andrew Rambaut
 *
 * This file is part of BEAST.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership and licensing.
 *
 * BEAST 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
 * of the License, or (at your option) any later version.
 *
 *  BEAST 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 BEAST; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 */

package dr.evolution.coalescent.structure;

import dr.evolution.coalescent.IntervalList;

/**
 * @author Alexei Drummond
 * 
 * @version $Id: StructuredIntervalList.java,v 1.4 2005/05/23 10:44:07 alexei Exp $
 */
public interface StructuredIntervalList extends IntervalList {

    /**
     * @param interval the interval of interest
     * @param population the population of interest
     * @return the number of lineages residing in the given population over this interval.
     */
    public int getLineageCount(int interval, int population);

    public Event getEvent(int interval);

    public int getPopulationCount();
}
