EvaluateAlternate.h

//
// pomocni operator za ispitivanje trenutnih rjesenja iz HoF-a na skupu za evaluaciju
//
class EvaluateAlternate : public Operator
{
private:
    StateP state_;
    std::string logfilename;
    SchedulingEvalOpP testEvalOp;
public:
    void registerParameters(StateP state)
    {
        state->getRegistry()->registerEntry("test_cases2", (voidP) (new std::string("fitness2.txt")), ECF::STRING);
    }
 
    bool initialize(StateP state)
    {
        state_ = state;
        voidP sptr = state->getRegistry()->getEntry("log.filename");
        logfilename = *((std::string*) sptr.get());
 
        // setup test cases evaluator
        testEvalOp = static_cast<SchedulingEvalOpP> (new SchedulingEvalOp);
        sptr = state->getRegistry()->getEntry("test_cases");
        voidP sptr2 = state->getRegistry()->getEntry("test_cases2");
        //state->getRegistry()->modifyEntry("test_cases", (voidP) (new std::string("fitness2.txt")));
        state->getRegistry()->modifyEntry("test_cases", sptr2);
        testEvalOp->initialize(state);
        state->getRegistry()->modifyEntry("test_cases", sptr);
 
        return true;
    }
 
    bool operate(StateP state)
    {
        ECF_LOG(state, 1, "Podaci\t" + uint2str(state->getGenerationNo()));
        IndividualP bestInd = state->getPopulation()->getHof()->getBest().at(0);
        ECF_LOG(state, 1, bestInd->toString());
 
        TreeP bestTree = boost::dynamic_pointer_cast<Tree::Tree> (bestInd->getGenotype(0));
        uint sizeOfBest = (uint) bestTree->size();
 
        DemeP deme = state->getPopulation()->getLocalDeme();
        uint popSize = (uint) deme->size();
        uint totalSize = 0;
        for(uint i = 0; i < popSize; i++) {
            TreeP tree = boost::dynamic_pointer_cast<Tree::Tree> (deme->at(i)->getGenotype(0));
            totalSize += (uint) tree->size();
        }
        uint averageSize = (uint) (1. * totalSize / popSize);
 
        // evaluate best individual on test data set
        double bestValue = testEvalOp->evaluate(bestInd)->getValue();
 
        ECF_LOG(state, 1, uint2str(sizeOfBest) + "\t" + uint2str(averageSize) + "\t" + dbl2str(bestValue));
 
        return true;
    }
};