protected function canLoad($pointSequence)
{
// $this->_checks++;
$canLoad = App::getSingleton('\\Litvinenko\\Combinatorics\\Pdp\\Helper')->canLoad($pointSequence, $this->getPythonFile(), $this->getLoadArea(), $this->getWeightCapacity(), $this->getPoints());
if (!$canLoad) {
App::dispatchEvent('cant_load', ['point_sequence' => $pointSequence]);
}
return $canLoad;
// return ($this->getCheckLoading()) ? App::getSingleton('\Litvinenko\Combinatorics\Pdp\Helper')->canLoad($pointSequence, $this->getCheckLoadingCommandPrefix(), $this->getLoadArea(), $this->getWeightCapacity()) : true;
}
protected function _generate($object)
{
if ($this->objectIsComplete($object)) {
$this->_data['generatedObjects'][] = $object;
} else {
foreach ($this->generateNextObjects($object) as $nextObject) {
if ($this->getLogSteps()) {
App::dispatchEvent("new_path_generated", ['tuple' => $nextObject]);
}
$this->_generate($nextObject);
}
}
}
protected function _getSuccessiveElements($tuple)
{
$result = [];
// we assume that tuple contain \Litvinenko\Combinatorics\Pdp\Point objects
$currentPath = $this->_getCurrentPath($tuple);
foreach ($this->getGeneratingElements() as $element) {
$point = $element['value'];
// if current path does not contain this point
if (!$currentPath->doesContain($point)) {
// add pickup point if whether vehicle can take box at this point
if ($point->isPickup() && $currentPath->getCurrentWeight() + $point->getBoxWeight() <= $this->getWeightCapacity() && $currentPath->getCurrentVolume() + $point->getBoxVolume() <= Helper::getLoadAreaVolume($this->getLoadArea()) || $point->isDelivery() && $currentPath->doesContain($point->getPairId())) {
$resultContainer = new \stdClass();
// event observers will write info to this object
App::dispatchEvent('point_add_before', ['point' => $point, 'point_sequence' => $tuple, 'result_container' => $resultContainer]);
if (!isset($resultContainer->result) || isset($resultContainer->result) && $resultContainer->result !== false) {
$result[] = $element;
}
}
}
}
return $result;
}
protected function _logEvent($eventName, $data)
{
App::dispatchEvent("branch_bound_{$eventName}", $data);
}