/*
* ConstantMigrationModel.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.evomodel.coalescent.structure;
import dr.evolution.colouring.ColourChangeMatrix;
import dr.inference.model.Parameter;
import dr.inference.model.Variable;
import dr.xml.*;
/**
* A wrapper for ConstantPopulation.
*
* @author Andrew Rambaut
* @author Alexei Drummond
* @version $Id: ConstantMigrationModel.java,v 1.4 2006/09/08 14:28:07 rambaut Exp $
*/
public class ConstantMigrationModel extends MigrationModel {
//
// Public stuff
//
public static String CONSTANT_MIGRATION_MODEL = "constantMigrationModel";
public static String MIGRATION_RATES = "migrationRates";
/**
* Construct demographic model with default settings
*/
public ConstantMigrationModel(int demeCount, Parameter migrationParameter) {
this(CONSTANT_MIGRATION_MODEL, demeCount, migrationParameter);
}
/**
* Construct demographic model with default settings
*/
public ConstantMigrationModel(String name, int demeCount, Parameter migrationParameter) {
super(name);
this.demeCount = demeCount;
this.migrationParameter = migrationParameter;
addVariable(migrationParameter);
migrationParameter.addBounds(new Parameter.DefaultBounds(Double.POSITIVE_INFINITY, 0.0, migrationParameter.getDimension()));
}
// general functions
public ColourChangeMatrix getMigrationMatrix() {
if (colourChangeMatrix == null) {
colourChangeMatrix = new ColourChangeMatrix(migrationParameter.getParameterValues(), demeCount);
}
return colourChangeMatrix;
}
public double[] getMigrationRates(double time) {
return migrationParameter.getParameterValues();
}
protected final void handleVariableChangedEvent(Variable variable, int index, Parameter.ChangeType type) {
colourChangeMatrix = null;
}
protected void restoreState() {
colourChangeMatrix = null;
}
/**
* Parses an element from an DOM document into a ConstantPopulation.
*/
public static XMLObjectParser PARSER = new AbstractXMLObjectParser() {
public String getParserName() {
return CONSTANT_MIGRATION_MODEL;
}
public Object parseXMLObject(XMLObject xo) throws XMLParseException {
int demeCount = 2;
XMLObject cxo = xo.getChild(MIGRATION_RATES);
Parameter migrationParameter = (Parameter) cxo.getChild(Parameter.class);
return new ConstantMigrationModel(demeCount, migrationParameter);
}
//************************************************************************
// AbstractXMLObjectParser implementation
//************************************************************************
public String getParserDescription() {
return "A migration model representing constant migration rates through time.";
}
public Class getReturnType() {
return ConstantMigrationModel.class;
}
public XMLSyntaxRule[] getSyntaxRules() {
return rules;
}
private final XMLSyntaxRule[] rules = {
new ElementRule(MIGRATION_RATES,
new XMLSyntaxRule[]{new ElementRule(Parameter.class)})
};
};
//
// protected stuff
//
private int demeCount;
private Parameter migrationParameter;
private ColourChangeMatrix colourChangeMatrix = null;
}