/*
* SubtreeSlideOperatorParser.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.evomodelxml.operators;
import dr.evomodel.operators.SubtreeSlideOperator;
import dr.evomodel.tree.TreeModel;
import dr.inference.operators.CoercableMCMCOperator;
import dr.inference.operators.CoercionMode;
import dr.inference.operators.MCMCOperator;
import dr.xml.*;
/**
*/
public class SubtreeSlideOperatorParser extends AbstractXMLObjectParser {
public static final String SUBTREE_SLIDE = "subtreeSlide";
public static final String SWAP_RATES = "swapInRandomRate";
public static final String SWAP_TRAITS = "swapInRandomTrait";
public static final String DIRICHLET_BRANCHES = "branchesAreScaledDirichlet";
public static final String TARGET_ACCEPTANCE = "targetAcceptance";
public static final String TRAIT = "trait";
public String getParserName() {
return SUBTREE_SLIDE;
}
public Object parseXMLObject(XMLObject xo) throws XMLParseException {
boolean swapRates = xo.getAttribute(SWAP_RATES, false);
boolean swapTraits = xo.getAttribute(SWAP_TRAITS, false);
boolean scaledDirichletBranches = xo.getAttribute(DIRICHLET_BRANCHES, false);
CoercionMode mode = CoercionMode.DEFAULT;
if (xo.hasAttribute(CoercableMCMCOperator.AUTO_OPTIMIZE)) {
if (xo.getBooleanAttribute(CoercableMCMCOperator.AUTO_OPTIMIZE)) {
mode = CoercionMode.COERCION_ON;
} else {
mode = CoercionMode.COERCION_OFF;
}
}
TreeModel treeModel = (TreeModel) xo.getChild(TreeModel.class);
final double weight = xo.getDoubleAttribute(MCMCOperator.WEIGHT);
final double targetAcceptance = xo.getAttribute(TARGET_ACCEPTANCE, 0.234);
final double size = xo.getAttribute("size", 1.0);
if (Double.isInfinite(size) || size <= 0.0) {
throw new XMLParseException("size attribute must be positive and not infinite. was " + size +
" for tree " + treeModel.getId() );
}
final boolean gaussian = xo.getBooleanAttribute("gaussian");
SubtreeSlideOperator operator = new SubtreeSlideOperator(treeModel, weight, size, gaussian,
swapRates, swapTraits, scaledDirichletBranches, mode);
operator.setTargetAcceptanceProbability(targetAcceptance);
return operator;
}
public String getParserDescription() {
return "An operator that slides a subtree.";
}
public Class getReturnType() {
return SubtreeSlideOperator.class;
}
public XMLSyntaxRule[] getSyntaxRules() {
return rules;
}
private final XMLSyntaxRule[] rules = {
AttributeRule.newDoubleRule(MCMCOperator.WEIGHT),
// Make size optional. If not given or equals zero, size is set to half of average tree branch length.
AttributeRule.newDoubleRule("size", true),
AttributeRule.newDoubleRule(TARGET_ACCEPTANCE, true),
AttributeRule.newBooleanRule("gaussian"),
AttributeRule.newBooleanRule(SWAP_RATES, true),
AttributeRule.newBooleanRule(SWAP_TRAITS, true),
AttributeRule.newBooleanRule(CoercableMCMCOperator.AUTO_OPTIMIZE, true),
new ElementRule(TreeModel.class)
};
}