public function getSolution()
{
// $this->validate();
// $this->getHelper()->validateObjects($this->getPoints());
// $this->_checks=0;
$generator = new Generator(['tuple_length' => Point::getPointCount($this->getPoints()), 'generating_elements' => Helper::getGeneratorDataFromPoints($this->getPoints()), 'weight_capacity' => $this->getWeightCapacity(), 'load_area' => $this->getLoadArea(), 'precise' => $this->getPrecise(), 'metrics' => $this->getEvaluator()->getMetrics(), 'initial_object' => Helper::getGeneratorDataFromPoints([$this->getDepot()]), 'log_steps' => true]);
$pointSequences = Helper::getPointSequencesFromGeneratorData($generator->generateAll());
$bestPointSequence = null;
foreach ($pointSequences as &$pointSequence) {
$pointSequence[] = $this->getDepot();
$currentCost = $this->_getCost($pointSequence);
if (is_null($bestPointSequence) || $this->_compareCosts($currentCost, $bestCost) === 1) {
// if needed, check 3D constraints and skip path if it's incorrect
if ($this->getData('check_final_loading')) {
if (!$this->canLoad($pointSequence)) {
continue;
}
}
$bestPointSequence = $pointSequence;
$bestCost = $currentCost;
}
}
$this->setGeneratedPointSequences($pointSequences);
// echo $this->_checks."\n";
return new Path(['points' => $bestPointSequence]);
}
protected function _generateNestedPointSequences($node)
{
$pointSequence = $node->getContent()->getPoints();
$generator = new Generator(['tuple_length' => Point::getPointCount($this->getPoints()), 'generating_elements' => Helper::getGeneratorDataFromPoints($this->getPoints()), 'current_path' => $node->getContent(), 'weight_capacity' => $this->getWeightCapacity(), 'load_area' => $this->getLoadArea()]);
// $generator->validate();
$points = Helper::getGeneratorDataFromPoints($pointSequence);
$result = Helper::getPointSequencesFromGeneratorData($generator->generateNextObjects($points));
if ($result) {
// hack: if all PDP points except of depot are present, add depot
$nodeHasAllPointsExceptOfDepot = Helper::pointSequenceIncludesAllPickupsAndDeliveries(reset($result), $this->getPoints());
if ($nodeHasAllPointsExceptOfDepot) {
foreach ($result as &$resultPointSequence) {
$resultPointSequence = array_merge($resultPointSequence, [$this->getDepot()]);
}
}
}
return $result;
}
