private CombinationTasksToFire findBestCombination(
CombinationTasksToFire bCombination,
HNSet inputSet,
int rootTask,
CombinationTasksToFire combination,
HNSubSet treatedTasks) {
int task = -1;
HNSet alreadyMarkedPlaces = null;
HNSet temp_inputSet = null;
HNSubSet noTokensFromTasks = null;
HNSubSet subset = null;
if ((bCombination.getTasks().size() == 0)
|| (bCombination.getNumberMissingTokens() > combination.getNumberMissingTokens())) {
if (rootTask != ROOT_TASK_ID) {
alreadyMarkedPlaces = getAlreadyMarkedPlaces(inputSet, rootTask);
noTokensFromTasks = HNSet.getUnionSet(alreadyMarkedPlaces);
inputSet.removeAll(alreadyMarkedPlaces);
combination.getTasks().add(rootTask);
}
if (inputSet.size() == 0) {
bCombination = combination.copy();
} else {
// akam: I stoppe here - 10/07/2005
if (rootTask != ROOT_TASK_ID) {
temp_inputSet = new HNSet();
for (int iInputSet = 0; iInputSet < inputSet.size(); iInputSet++) {
subset = inputSet.get(iInputSet);
subset.removeAll(noTokensFromTasks);
subset.removeAll(treatedTasks);
if (subset.size() == 0) {
combination.setTokens(combination.getNumberMissingTokens() + 1);
} else {
temp_inputSet.add(subset);
}
}
inputSet = temp_inputSet;
}
for (int iInputSet = 0; iInputSet < inputSet.size(); iInputSet++) {
subset = inputSet.get(iInputSet);
while (subset.size() > 0) {
task = subset.get(generator.nextInt(subset.size()));
bCombination =
findBestCombination(
bCombination,
inputSet.deepCopy(),
task,
combination.copy(),
treatedTasks.deepCopy());
treatedTasks.add(task);
subset.remove(task);
}
}
}
}
return bCombination;
}
