public void processWorkingSolutionDuringMove(
int uninitializedVariableCount, Score score, AbstractStepScope stepScope) {
AbstractSolverPhaseScope phaseScope = stepScope.getPhaseScope();
DefaultSolverScope solverScope = phaseScope.getSolverScope();
int bestUninitializedVariableCount = solverScope.getBestUninitializedVariableCount();
Score bestScore = solverScope.getBestScore();
boolean bestScoreImproved;
if (uninitializedVariableCount == bestUninitializedVariableCount) {
bestScoreImproved = score.compareTo(bestScore) > 0;
} else {
bestScoreImproved = uninitializedVariableCount < bestUninitializedVariableCount;
}
// The method processWorkingSolutionDuringMove() is called 0..* times
// bestScoreImproved is initialized on false before the first call here
if (bestScoreImproved) {
stepScope.setBestScoreImproved(bestScoreImproved);
}
if (bestScoreImproved) {
phaseScope.setBestSolutionStepIndex(stepScope.getStepIndex());
Solution newBestSolution = solverScope.getScoreDirector().cloneWorkingSolution();
updateBestSolution(solverScope, newBestSolution, uninitializedVariableCount);
} else if (assertBestScoreIsUnmodified) {
solverScope.assertScoreFromScratch(solverScope.getBestSolution());
}
}
@Override
public void stepEnded(AbstractStepScope stepScope) {
if (stepScope.isBestSolutionCloningDelayed()) {
return;
}
AbstractSolverPhaseScope phaseScope = stepScope.getPhaseScope();
int uninitializedVariableCount = stepScope.getUninitializedVariableCount();
Score score = stepScope.getScore();
DefaultSolverScope solverScope = phaseScope.getSolverScope();
int bestUninitializedVariableCount = solverScope.getBestUninitializedVariableCount();
Score bestScore = solverScope.getBestScore();
boolean bestScoreImproved;
if (uninitializedVariableCount == bestUninitializedVariableCount) {
bestScoreImproved = score.compareTo(bestScore) > 0;
} else {
bestScoreImproved = uninitializedVariableCount < bestUninitializedVariableCount;
}
stepScope.setBestScoreImproved(bestScoreImproved);
if (bestScoreImproved) {
phaseScope.setBestSolutionStepIndex(stepScope.getStepIndex());
Solution newBestSolution = stepScope.createOrGetClonedSolution();
updateBestSolution(solverScope, newBestSolution, uninitializedVariableCount);
} else if (assertBestScoreIsUnmodified) {
solverScope.assertScoreFromScratch(solverScope.getBestSolution());
}
}
private void initSelectedPlanningValueList(AbstractSolverPhaseScope phaseScope) {
if (valueRangeDescriptor.isEntityIndependent()) {
CountableValueRange<?> valueRange =
(CountableValueRange<?>)
((EntityIndependentValueRangeDescriptor) valueRangeDescriptor)
.extractValueRange(phaseScope.getWorkingSolution());
cachedPlanningValues = Lists.newArrayList(valueRange.createOriginalIterator());
} else {
cachedPlanningValues = null;
}
}
@Override
public void phaseStarted(AbstractSolverPhaseScope phaseScope) {
scoreDirector = phaseScope.getScoreDirector();
workingRandom = phaseScope.getWorkingRandom();
initSelectedPlanningValueList(phaseScope);
}