/*
* Copyright (c) 2010 Mathew Hall, University of Sheffield.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* Neither the name of the University of Sheffield nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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*/
package bunchbridge;
import bunchbridge.GraphConverter;
import bunch.ObjectiveFunctionCalculatorFactory;
import primitives.cluster.ClusterHead;
import search.fitnessfunctions.TreeFitnessFunction;
import primitives.cluster.ClusterUtils;
public class BunchFitnessAdaptor extends TreeFitnessFunction {
private ObjectiveFunctionCalculatorFactory ofc;
private String fitnessFunction;
public BunchFitnessAdaptor(String fitnessFunction) {
ofc = new ObjectiveFunctionCalculatorFactory();
ofc.setCurrentCalculator(fitnessFunction);
this.fitnessFunction = fitnessFunction;
}
@Override
public double evaluate(ClusterHead result) {
bunch.Graph toEvaluate = GraphConverter.convertToBunchCluster(result);
bunch.Graph.setObjectiveFunctionCalculatorFactory(ofc);
toEvaluate.setObjectiveFunctionCalculator(fitnessFunction);
try{
toEvaluate.calculateObjectiveFunctionValue();
}catch(ArrayIndexOutOfBoundsException aob){
System.out.println("========");
ClusterUtils.prettyPrintTree(result);
System.out.println("========");
throw aob;
}
return toEvaluate.getObjectiveFunctionValue();
}
}