public void extractBestSolution(AbstractStepScope stepScope) {
if (!stepScope.isSolutionInitialized()) {
return;
}
AbstractSolverPhaseScope solverPhaseScope = stepScope.getSolverPhaseScope();
DefaultSolverScope solverScope = solverPhaseScope.getSolverScope();
Score newScore = stepScope.getScore();
Score bestScore = solverPhaseScope.getBestScore();
boolean bestScoreImproved;
if (bestScore == null) {
bestScoreImproved = true;
solverScope.setStartingInitializedScore(newScore);
} else {
bestScoreImproved = newScore.compareTo(bestScore) > 0;
}
stepScope.setBestScoreImproved(bestScoreImproved);
if (bestScoreImproved) {
solverPhaseScope.setBestSolutionStepIndex(stepScope.getStepIndex());
Solution newBestSolution = stepScope.createOrGetClonedSolution();
solverScope.setBestSolution(newBestSolution);
solverScope.setBestScore(newBestSolution.getScore());
solverEventSupport.fireBestSolutionChanged(newBestSolution);
}