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<?php |
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namespace Algorithms\GraphTools; |
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class Point |
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{ |
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private $_id; |
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private $distances = array(); |
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private $label = null; |
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private $x; |
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private $y; |
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public function __construct($pointId, $label = null) |
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{ |
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if (filter_var($pointId, FILTER_VALIDATE_INT) !== false) { |
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$this->_id = $pointId; |
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$this->label = $label; |
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} else { |
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throw new PointException('Wrong data sent'); |
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} |
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} |
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public static function create($pointId, $label = null) |
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{ |
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return new self($pointId, $label); |
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} |
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public static function checkPoint($point) |
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{ |
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return ($point instanceof self); |
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} |
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public static function validate($point) |
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{ |
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if (filter_var($point, FILTER_VALIDATE_INT) !== false) { |
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return $point; |
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} elseif (self::checkPoint($point)) { |
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return $point->getID(); |
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} else { |
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throw new PointException('Wrong data sent'); |
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} |
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} |
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public function addRelation($point, $distance) |
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{ |
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$point = $this::validate($point); |
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$this->distances[$point] = $distance; |
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return $this; |
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} |
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public function getDinstances() |
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{ |
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$distances = array(); |
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foreach ($this->distances as $pointId => $distance) { |
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$distances[] = [$pointId, $distance]; |
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} |
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return $distances; |
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} |
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public function distanceTo($point) |
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{ |
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$point = $this::validate($point); |
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return (isset($this->distances[$point])) ? $this->distances[$point] : false; |
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} |
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public function getID() |
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{ |
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return $this->_id; |
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} |
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public function getLabel() |
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{ |
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return $this->label; |
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} |
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public function setX($x) |
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{ |
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$this->x = intval($x); |
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return $this; |
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} |
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public function setY($y) |
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{ |
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$this->y = intval($y); |
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return $this; |
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} |
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public function getX() |
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{ |
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return $this->x; |
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} |
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public function getY() |
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{ |
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return $this->y; |
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} |
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public function toArray() |
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{ |
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$array = array( |
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'id' => $this->_id |
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); |
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if (!empty($this->label)) { |
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$array['label'] = $this->label; |
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} |
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if (!empty($this->x)) { |
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$array['x'] = $this->x; |
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} |
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if (!empty($this->y)) { |
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$array['y'] = $this->y; |
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} |
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return $array; |
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} |
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} |
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PHPAlgorithms /
GraphTools
