/*
 * BranchSpecificSubstitutionModel.java
 *
 * Copyright (c) 2002-2018 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.evomodel.branchratemodel;

import dr.evomodel.branchmodel.BranchSpecificBranchModel;
import dr.evomodel.substmodel.SubstitutionModel;
import dr.evomodel.tree.TreeModel;

/**
 * @author Marc A. Suchard
 * @author Xiang Ji
 */
public class BranchSpecificSubstitutionModel extends BranchSpecificBranchModel {

    public BranchSpecificSubstitutionModel(TreeModel treeModel, SubstitutionModel rootSubstitutionModel) {
        super(treeModel, rootSubstitutionModel);
    }
}

/*
 * BranchSpecificSubstitutionModel.java
 *
 * Copyright (c) 2002-2018 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.evomodel.branchratemodel;

import dr.evolution.tree.NodeRef;
import dr.evolution.tree.Tree;
import dr.evomodel.substmodel.SubstitutionModel;

/**
 * @author Marc A. Suchard
 * @author Xiang Ji
 */
public interface BranchSpecificSubstitutionModel{

    SubstitutionModel getSubstitutionModel(final Tree tree, final NodeRef node);

    class None implements BranchSpecificSubstitutionModel {

        private final SubstitutionModel substitutionModel;

        public None(SubstitutionModel substitutionModel) {
            this.substitutionModel = substitutionModel;
        }

        @Override
        public SubstitutionModel getSubstitutionModel(Tree tree, NodeRef node) {
            return substitutionModel;
        }
    }

}

change to interface with different class realizations