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<?php |
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namespace As3\Modlr\Models\Collections; |
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use As3\Modlr\Metadata\EntityMetadata; |
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use As3\Modlr\Models\AbstractModel; |
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use As3\Modlr\Models\Model; |
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use As3\Modlr\Store\Store; |
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/** |
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* Model collection that contains record representations from a persistence (database) layer. |
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* |
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* @author Jacob Bare <[email protected]> |
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*/ |
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class InverseCollection extends ModelCollection |
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{ |
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/** |
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* The owning model of the inverse relationship. |
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* |
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* @var Model |
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*/ |
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private $owner; |
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/** |
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* The inverse relationship query field. |
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* |
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* @var string |
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*/ |
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private $inverseField; |
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/** |
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* {@inheritDoc} |
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*/ |
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protected $loaded = false; |
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/** |
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* {@inheritDoc} |
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* @param Model $owner |
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* @param string $inverseField |
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*/ |
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public function __construct(EntityMetadata $metadata, Store $store, Model $owner, $inverseField) |
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{ |
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parent::__construct($metadata, $store, [], 0); |
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$this->owner = $owner; |
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$this->inverseField = $inverseField; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* Overwritten to prevent modification. |
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* |
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* @throws \BadMethodCallException |
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*/ |
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public function clear() |
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{ |
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throw new \BadMethodCallException('You cannot clear inverse collections.'); |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* Overwritten to ensure the collection is loaded, since references aren't sent to inverse collections. |
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*/ |
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public function count() |
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{ |
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$this->loadFromStore(); |
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return parent::count(); |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* Overwritten to ensure the collection is loaded, since references aren't sent to inverse collections. |
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*/ |
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public function allWithoutLoad() |
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{ |
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$this->loadFromStore(); |
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return parent::allWithoutLoad(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getIdentifiers($onlyUnloaded = true) |
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{ |
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if (true === $this->loaded) { |
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return []; |
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} |
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return [$this->owner->getId()]; |
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} |
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/** |
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* Gets the model that owns this inverse collection. |
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* |
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* @return Model |
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*/ |
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public function getOwner() |
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{ |
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return $this->owner; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getQueryField() |
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{ |
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return $this->inverseField; |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* Overwritten to ensure the collection is loaded, since references aren't sent to inverse collections. |
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*/ |
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public function getTotalCount() |
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{ |
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return $this->count(); |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* Overwritten to always return false. |
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* |
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*/ |
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public function isDirty() |
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{ |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* Overwritten to prevent modification. |
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* |
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* @throws \BadMethodCallException |
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*/ |
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public function push(AbstractModel $model) |
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{ |
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throw new \BadMethodCallException('You cannot push to inverse collections.'); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* Overwritten to prevent modification. |
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* |
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* @throws \BadMethodCallException |
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*/ |
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public function remove(AbstractModel $model) |
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{ |
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throw new \BadMethodCallException('You cannot remove from an inverse collections.'); |
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} |
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} |
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as3io /
modlr
