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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\ClusterCollectionInterface; |
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use Kmeans\Interfaces\ClusterInterface; |
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use Kmeans\Interfaces\SpaceInterface; |
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class ClusterCollection implements ClusterCollectionInterface |
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{ |
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use HasSpaceTrait; |
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/** |
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* @var \SplObjectStorage<ClusterInterface, null> |
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*/ |
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protected \SplObjectStorage $clusters; |
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/** |
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* @param array<ClusterInterface> $clusters |
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*/ |
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public function __construct(SpaceInterface $space, array $clusters = []) |
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{ |
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$this->setSpace($space); |
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$this->clusters = new \SplObjectStorage(); |
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foreach ($clusters as $cluster) { |
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$this->attach($cluster); |
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} |
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} |
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public function contains(ClusterInterface $cluster): bool |
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{ |
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return $this->clusters->contains($cluster); |
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} |
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public function attach(ClusterInterface $cluster): void |
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{ |
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if ($cluster->getCentroid()->getSpace() !== $this->getSpace()) { |
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throw new \InvalidArgumentException( |
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"Cannot add cluster to collection: cluster space is not same as collection space" |
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); |
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} |
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$this->clusters->attach($cluster); |
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} |
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public function detach(ClusterInterface $cluster): void |
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{ |
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$this->clusters->detach($cluster); |
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} |
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public function current() |
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{ |
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return $this->clusters->current(); |
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} |
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public function key() |
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{ |
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return $this->clusters->key(); |
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} |
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public function next(): void |
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{ |
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$this->clusters->next(); |
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} |
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public function rewind(): void |
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{ |
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$this->clusters->rewind(); |
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} |
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public function valid(): bool |
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{ |
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return $this->clusters->valid(); |
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} |
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public function count(): int |
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{ |
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return count($this->clusters); |
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} |
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} |
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bdelespierre /
php-kmeans
