/*
* TwoStateCovarionModelParser.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.oldevomodelxml.substmodel;
import dr.evolution.datatype.TwoStateCovarion;
import dr.oldevomodel.substmodel.AbstractCovarionDNAModel;
import dr.oldevomodel.substmodel.FrequencyModel;
import dr.oldevomodel.substmodel.TwoStateCovarionModel;
import dr.inference.model.Parameter;
import dr.xml.*;
/**
* Parses an element from an DOM document into a TwoStateCovarionModel
*/
public class TwoStateCovarionModelParser extends AbstractXMLObjectParser {
public static final String COVARION_MODEL = "covarionModel";
public static final String ALPHA = "alpha";
public static final String SWITCHING_RATE = "switchingRate";
public String getParserName() {
return COVARION_MODEL;
}
public Object parseXMLObject(XMLObject xo) throws XMLParseException {
Parameter alphaParameter;
Parameter switchingRateParameter;
XMLObject cxo = xo.getChild(AbstractCovarionDNAModel.FREQUENCIES);
FrequencyModel freqModel = (FrequencyModel) cxo.getChild(FrequencyModel.class);
TwoStateCovarion dataType = TwoStateCovarion.INSTANCE; // fancy new datatype courtesy of Helen
cxo = xo.getChild(ALPHA);
alphaParameter = (Parameter) cxo.getChild(Parameter.class);
// alpha must be positive and less than 1.0 because the fast rate is normalized to 1.0
alphaParameter.addBounds(new Parameter.DefaultBounds(1.0, 0.0, 1));
cxo = xo.getChild(SWITCHING_RATE);
switchingRateParameter = (Parameter) cxo.getChild(Parameter.class);
if (dataType != freqModel.getDataType()) {
throw new XMLParseException("Data type of " + getParserName() + " element does not match that of its frequencyModel.");
}
TwoStateCovarionModel model = new TwoStateCovarionModel(dataType, freqModel, alphaParameter, switchingRateParameter);
System.out.println(model);
return model;
}
//************************************************************************
// AbstractXMLObjectParser implementation
//************************************************************************
public String getParserDescription() {
return "A covarion substitution model on binary data and a hidden rate state with two rates.";
}
public Class getReturnType() {
return TwoStateCovarionModel.class;
}
public XMLSyntaxRule[] getSyntaxRules() {
return rules;
}
private XMLSyntaxRule[] rules = new XMLSyntaxRule[]{
new ElementRule(AbstractCovarionDNAModel.FREQUENCIES, FrequencyModel.class),
new ElementRule(ALPHA, new XMLSyntaxRule[]{
new ElementRule(Parameter.class, true)}
),
new ElementRule(SWITCHING_RATE, new XMLSyntaxRule[]{
new ElementRule(Parameter.class, true)}
),
};
}