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<?php |
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declare(strict_types = 1); |
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namespace hanneskod\yaysondb; |
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use hanneskod\yaysondb\Engine\EngineInterface; |
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/** |
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* Handle to a defined set of collections |
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*/ |
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class Yaysondb implements TransactableInterface |
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{ |
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/** |
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* @var Collection[] Loaded collections |
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*/ |
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private $collections; |
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/** |
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* Optionally load collection engines |
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* |
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* @param EngineInterface[] $engines Maps identifiers to engines |
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*/ |
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public function __construct(array $engines = []) |
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{ |
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foreach ($engines as $engineId => $engine) { |
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$this->load( |
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$engine, |
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is_string($engineId) ? $engineId : '' |
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); |
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} |
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} |
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/** |
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* Load collection engine |
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*/ |
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public function load(EngineInterface $engine, string $engineId = ''): self |
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{ |
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$this->collections[$engineId ?: $engine->getId()] = new Collection($engine); |
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return $this; |
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} |
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/** |
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* Check if handle contains collection with id |
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*/ |
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public function hasCollection(string $id): bool |
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{ |
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return isset($this->collections[$id]); |
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} |
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/** |
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* Magic method to allow collection exploration through property names |
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*/ |
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public function __isset(string $id): bool |
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{ |
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return $this->hasCollection($id); |
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} |
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/** |
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* Get collection |
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* |
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* @throws Exception\LogicException If id is not defined |
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*/ |
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public function collection(string $id): CollectionInterface |
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{ |
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if (!$this->hasCollection($id)) { |
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throw new Exception\LogicException("Trying to access undefined collection $id"); |
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} |
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return $this->collections[$id]; |
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} |
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/** |
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* Magic method to allow collection access through property names |
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*/ |
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public function __get(string $id): CollectionInterface |
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{ |
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return $this->collection($id); |
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} |
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public function commit() |
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{ |
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foreach ($this->collections as $collection) { |
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if ($collection->inTransaction()) { |
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$collection->commit(); |
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} |
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} |
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} |
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public function inTransaction(): bool |
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{ |
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foreach ($this->collections as $collection) { |
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if ($collection->inTransaction()) { |
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return true; |
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} |
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} |
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return false; |
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} |
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public function reset() |
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{ |
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foreach ($this->collections as $collection) { |
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if ($collection->inTransaction()) { |
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$collection->reset(); |
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} |
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} |
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} |
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} |
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hanneskod /
yaysondb
