/*
 * TreeNodeFilter.java
 *
 * Copyright (c) 2002-2015 Alexei Drummond, Andrew Rambaut and Marc Suchard
 *
 * 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.tree;

import dr.evolution.util.TaxonList;
import dr.evomodel.branchratemodel.LocalClockModel;
import dr.evomodel.tree.TreeModel;
import dr.inference.model.AbstractModel;
import dr.inference.model.Model;
import dr.inference.model.Variable;

import java.util.BitSet;
import java.util.HashSet;
import java.util.Set;

/**
 * @author Marc A. Suchard
 */
public interface TreeNodeFilter {

    boolean includeNode(Tree tree, NodeRef node);

    public class ExternalInternalNodeFilter implements TreeNodeFilter {

        public ExternalInternalNodeFilter(boolean includeExternalNodes, boolean includeInternalNodes) {
            this.includeExternalNodes = includeExternalNodes;
            this.includeInternalNodes = includeInternalNodes;
        }

        public boolean includeNode(Tree tree, NodeRef node) {
            return ((includeExternalNodes && tree.isExternal(node))
                    || (includeInternalNodes && !tree.isExternal(node)));
        }

        private final boolean includeExternalNodes;
        private final boolean includeInternalNodes;
    }
}
