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<?php |
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namespace Innmind\Immutable; |
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use Innmind\Immutable\Exception\LogicException; |
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class ObjectStorage implements PrimitiveInterface, \Countable, \Iterator, \ArrayAccess, \Serializable |
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{ |
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private $objects; |
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public function __construct(\SplObjectStorage $objects = null) |
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{ |
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$this->objects = $objects ? clone $objects : new \SplObjectStorage; |
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$this->objects->rewind(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function toPrimitive() |
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{ |
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//so the inner SplObjectStorage object can't be modified |
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return clone $this->objects; |
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} |
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/** |
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* Merge storages |
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* |
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* @param self $storage |
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* |
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* @return self |
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*/ |
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public function merge(self $storage) |
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{ |
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$objects = new \SplObjectStorage; |
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$objects->addAll($this->objects); |
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$objects->addAll($storage->objects); |
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return new self($objects); |
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} |
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/** |
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* Attach a new element to the storage |
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* |
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* @param object $object |
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* @param mixed $data |
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* |
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* @return self |
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*/ |
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public function attach($object, $data = null) |
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{ |
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$objects = clone $this->objects; |
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$objects->attach($object, $data); |
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return new self($objects); |
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} |
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/** |
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* Check if the object is in this storage |
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* |
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* @param object $object |
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* |
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* @return bool |
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*/ |
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public function contains($object) |
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{ |
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return $this->objects->contains($object); |
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} |
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/** |
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* Remove the given object from the storage |
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* |
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* @param object $object |
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* |
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* @return self |
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*/ |
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public function detach($object) |
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{ |
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$objects = clone $this->objects; |
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$objects->detach($object); |
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return new self($objects); |
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} |
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/** |
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* Get the internal has for the given object |
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* @param object $object |
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* |
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* @return string |
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*/ |
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public function getHash($object) |
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{ |
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return $this->objects->getHash($object); |
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} |
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/** |
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* Return the info associated to the current object pointed by the internal pointer |
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* |
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* @return mixed |
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*/ |
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public function getInfo() |
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{ |
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return $this->objects->getInfo(); |
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} |
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/** |
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* Remove all the elements contained in the given storage from the current one |
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* |
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* @param self $storage |
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* |
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* @return self |
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*/ |
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public function removeAll(self $storage) |
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{ |
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$objects = clone $this->objects; |
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$objects->removeAll($storage->objects); |
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return new self($objects); |
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} |
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/** |
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* Remove all elements not contained in the given storage |
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* |
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* @param self $storage |
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* |
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* @return self |
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*/ |
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public function removeAllExcept(self $storage) |
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{ |
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$objects = clone $this->objects; |
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$objects->removeAllExcept($storage->objects); |
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return new self($objects); |
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} |
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/** |
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* Associate data to the current object |
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* |
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* @param mixed $data |
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* |
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* @return self |
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*/ |
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public function setInfo($data) |
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{ |
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$current = $this->objects->current(); |
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$objects = clone $this->objects; |
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$objects[$current] = $data; |
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return new self($objects); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function count() |
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{ |
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return $this->objects->count(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function current() |
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{ |
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return $this->objects->current(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function next() |
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{ |
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$this->objects->next(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function key() |
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{ |
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return $this->objects->key(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function rewind() |
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{ |
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$this->objects->rewind(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function valid() |
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{ |
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return $this->objects->valid(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetExists($object) |
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{ |
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return $this->objects->offsetExists($object); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetGet($object) |
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{ |
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return $this->objects->offsetGet($object); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetSet($object, $data = null) |
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{ |
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throw new LogicException( |
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'You can\'t modify an immutable object storage' |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetUnset($object) |
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{ |
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throw new LogicException( |
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'You can\'t modify an immutable object storage' |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function serialize() |
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{ |
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return $this->objects->serialize(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function unserialize($serialized) |
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{ |
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$objects = clone $this->objects; |
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$objects->unserialize($serialized); |
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return new self($objects); |
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} |
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} |
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Innmind /
Immutable
