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<?php |
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namespace GGGGino\WarehousePath; |
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use GGGGino\WarehousePath\Calculator\CalculatorInterface; |
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use GGGGino\WarehousePath\Entity\Place; |
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use GGGGino\WarehousePath\Parser\JsonMatrixParser; |
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use GGGGino\WarehousePath\Parser\MatrixParser; |
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use GGGGino\WarehousePath\Parser\ParserInterface; |
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use GGGGino\WarehousePath\Parser\TreeParser; |
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class Warehouse |
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{ |
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/** |
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* @var PlacesCollector |
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*/ |
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private $placesCollector; |
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/** |
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* @var Place[] |
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*/ |
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private $places = array(); |
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/** |
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* @var CalculatorInterface |
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*/ |
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private $pathCalculator; |
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/** |
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* @var ParserInterface |
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*/ |
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private $parser; |
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public function __construct(PlacesCollector $placesCollector, ParserInterface $parser) |
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{ |
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$this->placesCollector = $placesCollector; |
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$this->parser = $parser; |
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} |
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/*** |
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* @param string $path |
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* @return Warehouse |
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* @throws \Exception |
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*/ |
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public static function createFromJson($path) |
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{ |
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if( !$path ) |
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throw new \Exception('Please select a path'); |
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$placesCollector = new PlacesCollector(); |
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$placesCollector->addBasePlaceTypes(); |
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$wm = new JsonMatrixParser($path, $placesCollector); |
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$instance = new self($placesCollector, $wm); |
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$instance->setPlaces($wm->parse()); |
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return $instance; |
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} |
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/** |
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* @param $param |
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* @return Warehouse |
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* @throws \Exception |
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*/ |
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public static function createFromMatrix($param) |
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{ |
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if( !is_array($param) ) |
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throw new \Exception('Matrix should be initialized with an array'); |
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$placesCollector = new PlacesCollector(); |
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$placesCollector->addBasePlaceTypes(); |
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$wm = new MatrixParser($param, $placesCollector); |
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$instance = new self($placesCollector, $wm); |
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$instance->setPlaces($wm->parse()); |
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return $instance; |
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} |
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/** |
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* @param $param |
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* @return Warehouse |
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* @throws \Exception |
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*/ |
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public static function createFromTree($param) |
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{ |
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if( !is_array($param) ) |
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throw new \Exception('Matrix should be initialized with an array'); |
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$placesCollector = new PlacesCollector(); |
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$placesCollector->addBasePlaceTypes(); |
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$wm = new TreeParser($param); |
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$instance = new self($placesCollector, $wm); |
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$instance->setPlaces($wm->parse()); |
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return $instance; |
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} |
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/** |
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* Main algorithm to find the shortest path. |
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* |
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* @todo: nel futuro quando ci sarà un magazzino grande, spezzare il magazzino prendendo solo il quadrato contenente i vari punti |
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* |
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* @param Place $startPlace |
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* @param Place $endPlace if not null do early exit |
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*/ |
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public function getPath(Place $startPlace, Place $endPlace = null) |
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{ |
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$frontier = array(); |
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array_push($frontier, $startPlace); |
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while (!empty($frontier)) { |
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/** @var Place $current */ |
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$current = array_shift($frontier); |
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/** @var Place $vicino */ |
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foreach ($current->getWalkableNeighbors() as $vicino) { |
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$tempCost = $current->getCurrentWeight() + $vicino->getOriginalWeight(); |
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if ($vicino->isVisited() && $tempCost < $vicino->getCurrentWeight()) { |
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$vicino->setCurrentWeight($tempCost); |
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$vicino->setWalkingCameFrom($current); |
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array_push($frontier, $vicino); |
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continue; |
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} |
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if ($vicino->isVisited()) { |
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continue; |
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} |
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$vicino->setVisited(true); |
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$vicino->increaseCurrentWeight($current->getCurrentWeight()); |
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$vicino->setWalkingCameFrom($current); |
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array_push($frontier, $vicino); |
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} |
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$current->setVisited(true); |
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} |
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} |
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/** |
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* Reset all the node to permit another calculation |
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*/ |
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public function reset() |
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{ |
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foreach ($this->places as $place) { |
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$place->reset(); |
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} |
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} |
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/** |
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* For every place i create the path |
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* |
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* @param Place[] $places |
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* @return array |
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*/ |
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public function getMultiplePath(array $places) |
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{ |
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$matrixDistances = array(); |
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/** @var Place $place */ |
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foreach ($places as $place) { |
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$this->getPath($place); |
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$tempPlaceDistance = array(); |
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/** @var Place $place */ |
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foreach ($places as $place1) { |
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$tempPlaceDistance[] = $place1->getCurrentWeight(); |
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} |
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$matrixDistances[] = $tempPlaceDistance; |
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$this->reset(); |
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} |
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return $matrixDistances; |
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} |
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/** |
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* Create the matrix for development purpose. |
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* If you want to print the whole wharehouse |
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* |
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* @return Entity\Place[][] |
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* @throws \Exception |
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*/ |
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public function createMatrix() |
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{ |
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/** @var Place[] $places */ |
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$places = $this->getPlaces(); |
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/** @var Place[][] $resultMatrix */ |
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$resultMatrix = array(); |
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if ( empty($places) ) |
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throw new \Exception('First add the places'); |
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/** @var Place $startingPlace */ |
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$startingPlace = reset($places); |
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while ( $newPlace = $startingPlace->getTopRef() ) { |
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$startingPlace = $newPlace; |
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} |
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while ( $newPlace = $startingPlace->getLeftRef() ) { |
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$startingPlace = $newPlace; |
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} |
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/** @var Place $rowPlace */ |
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$rowPlace = $startingPlace; |
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do { |
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$tempRow = array(); |
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/** @var Place $columnPlace */ |
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$columnPlace = $rowPlace; |
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do { |
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$tempRow[] = $columnPlace; |
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} while ($columnPlace = $columnPlace->getRightRef()); |
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$resultMatrix[] = $tempRow; |
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} while ($rowPlace = $rowPlace->getBottomRef()); |
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return $resultMatrix; |
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} |
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/** |
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* @param $arrayNodes |
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* @param $matrix |
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* @return Place[] |
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*/ |
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public function calculate($arrayNodes, $matrix) |
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{ |
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return $this->pathCalculator->calculate($arrayNodes, $matrix); |
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} |
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/** |
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* @return Place[] |
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*/ |
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public function getPlaces(): array |
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{ |
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return $this->places; |
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} |
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/** |
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* @param Entity\Place[] $places |
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* @return Warehouse |
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*/ |
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public function setPlaces($places) |
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{ |
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$this->places = $places; |
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return $this; |
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} |
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/** |
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* @param CalculatorInterface $pathCalculator |
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* @return Warehouse |
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*/ |
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public function setPathCalculator($pathCalculator) |
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{ |
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$this->pathCalculator = $pathCalculator; |
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return $this; |
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} |
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/** |
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* @param PlacesCollector $placesCollector |
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* @return Warehouse |
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*/ |
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public function setPlacesCollector($placesCollector) |
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{ |
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$this->placesCollector = $placesCollector; |
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return $this; |
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} |
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/** |
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* @return ParserInterface |
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*/ |
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public function getParser(): ParserInterface |
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{ |
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return $this->parser; |
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} |
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/** |
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* @return PlacesCollector |
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*/ |
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public function getPlacesCollector() |
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{ |
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return $this->placesCollector; |
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} |
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} |
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.