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<?php |
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namespace Kmeans; |
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use Kmeans\Concerns\HasSpaceTrait; |
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use Kmeans\Interfaces\PointCollectionInterface; |
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use Kmeans\Interfaces\PointInterface; |
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use Kmeans\Interfaces\SpaceInterface; |
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class PointCollection implements PointCollectionInterface |
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{ |
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use HasSpaceTrait; |
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/** |
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* @var \SplObjectStorage<PointInterface, null> |
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*/ |
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protected \SplObjectStorage $points; |
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/** |
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* @param array<PointInterface> $points |
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*/ |
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public function __construct(SpaceInterface $space, array $points = []) |
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{ |
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$this->setSpace($space); |
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$this->points = new \SplObjectStorage(); |
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foreach ($points as $point) { |
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$this->attach($point); |
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} |
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} |
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public function contains(PointInterface $point): bool |
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{ |
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return $this->points->contains($point); |
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} |
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public function attach(PointInterface $point): void |
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{ |
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if (! $point->belongsTo($this->getSpace())) { |
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throw new \InvalidArgumentException( |
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"Cannot add point to collection: point doesn't belong to the same space as collection" |
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); |
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} |
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$this->points->attach($point); |
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} |
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public function detach(PointInterface $point): void |
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{ |
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$this->points->detach($point); |
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} |
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public function current(): PointInterface |
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{ |
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return $this->points->current(); |
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} |
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public function key(): int |
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{ |
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return $this->points->key(); |
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} |
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public function next(): void |
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{ |
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$this->points->next(); |
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} |
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public function rewind(): void |
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{ |
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$this->points->rewind(); |
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} |
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public function valid(): bool |
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{ |
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return $this->points->valid(); |
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} |
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public function count(): int |
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{ |
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return count($this->points); |
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} |
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} |
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bdelespierre /
php-kmeans
