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<?php |
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namespace Mattbit\Flat; |
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use Mattbit\Flat\Query\Matcher; |
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use Mattbit\Flat\Document\Identifiable; |
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use Mattbit\Flat\Query\Parser; |
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use Mattbit\Flat\Storage\DocumentStore; |
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use Mattbit\Flat\Query\Expression\ExpressionInterface; |
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class Collection |
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{ |
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/** |
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* @var string |
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*/ |
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protected $name; |
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/** |
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* @var DocumentStore |
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*/ |
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protected $store; |
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/** |
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* @var Database |
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*/ |
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protected $database; |
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/** |
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* @var Parser |
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*/ |
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protected $parser; |
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/** |
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* Construct a new collection. |
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* |
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* @param Database $database |
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* @param DocumentStore $store |
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* @param string $name |
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*/ |
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public function __construct(Database $database, DocumentStore $store, $name) |
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{ |
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$this->name = $name; |
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$this->store = $store; |
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$this->database = $database; |
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$this->parser = $database->getParser(); |
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} |
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/** |
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* Drop the collection. |
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* |
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* @return bool |
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*/ |
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public function drop() |
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{ |
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return $this->database->dropCollection($this->name); |
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} |
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/** |
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* Remove all the documents from the collection. |
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* |
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* @return bool |
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*/ |
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public function truncate() |
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{ |
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$this->store->truncate(); |
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} |
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/** |
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* Insert a new document. |
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* |
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* @param Identifiable $document |
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* |
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* @return bool |
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*/ |
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public function insert(Identifiable $document) |
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{ |
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return $this->store->insertDocument($document); |
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} |
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/** |
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* Update existing documents. |
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* |
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* @param array $criteria |
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* @param Identifiable $updated |
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* @param bool $multiple |
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* |
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* @return int The count of the documents updated. |
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*/ |
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public function update($criteria, Identifiable $updated, $multiple = false) |
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{ |
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$limit = $multiple ? 1 : null; |
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$documents = $this->onMatch($criteria, $limit); |
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foreach ($documents as $document) { |
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$this->store->updateDocument($updated); |
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} |
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} |
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/** |
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* Remove documents from the collection. |
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* |
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* @param mixed $criteria |
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* @param bool $multiple |
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* |
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* @return int The count of the document deleted. |
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*/ |
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public function remove($criteria, $multiple = false) |
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{ |
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$limit = $multiple ? 1 : null; |
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$documents = $this->onMatch($criteria, $limit); |
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foreach ($documents as $document) { |
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$this->store->removeDocument($document->getId()); |
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} |
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return true; |
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} |
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/** |
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* Find documents in the collection. |
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* |
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* @param array $criteria |
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* |
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* @return array The array of results. |
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*/ |
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public function find($criteria) |
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{ |
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return $this->onMatch($criteria); |
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} |
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protected function onMatch($criteria, $limit = null) |
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{ |
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$expression = $this->parser->parse($criteria); |
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$matcher = $this->newMatcher($expression); |
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$documents = $this->store->scanDocuments([$matcher, 'match'], $limit); |
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return $documents; |
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} |
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protected function newMatcher(ExpressionInterface $expression) |
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{ |
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return new Matcher($expression); |
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} |
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} |
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mattbit /
flat
