/*
* DebugChainListener.java
*
* Copyright (c) 2002-2017 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.inference.state;
import dr.inference.markovchain.MarkovChain;
import dr.inference.markovchain.MarkovChainListener;
import dr.inference.model.Model;
import java.text.SimpleDateFormat;
import java.util.Calendar;
public class StateSaverChainListener implements MarkovChainListener {
private StateSaver stateSaver;
public StateSaverChainListener(StateSaver stateSaver, final long writeState, final boolean isRepeating) {
this.stateSaver = stateSaver;
this.writeState = writeState;
this.isRepeating = isRepeating;
}
// MarkovChainListener interface *******************************************
/**
* Called to update the current model keepEvery states.
*/
@Override
public void currentState(long state, MarkovChain markovChain, Model currentModel) {
if (state == writeState || (isRepeating && state > 0 && (state % writeState == 0))) {
// This shouldn't be necessary but if it is then it may be masking a bug
// markovChain.getLikelihood().makeDirty();
double lnL = markovChain.getCurrentScore();
stateSaver.saveState(markovChain, state, lnL);
}
}
/**
* Called when a new new best posterior state is found.
*/
@Override
public void bestState(long state, MarkovChain markovChain, Model bestModel) { }
/**
* Cleans up when the chain finishes (possibly early).
*/
@Override
public void finished(long chainLength, MarkovChain markovChain) {
currentState(chainLength, markovChain,null);
}
private final long writeState;
private final boolean isRepeating;
}