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<?php |
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namespace ORM; |
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use ORM\Dbal\Dbal; |
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use ORM\Exception\InvalidArgument; |
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class BulkInsert |
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{ |
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/** @var string */ |
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protected $class; |
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/** @var Dbal */ |
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protected $dbal; |
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/** @var int */ |
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protected $limit; |
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/** @var callable */ |
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protected $onSync; |
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/** @var bool */ |
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protected $useAutoIncrement = true; |
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/** @var bool */ |
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protected $update = true; |
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/** @var Entity[] */ |
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protected $new = []; |
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/** @var Entity[] */ |
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protected $synced = []; |
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/** |
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* BulkInsert constructor. |
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* |
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* @param string $class |
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* @param Dbal $dbal |
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* @param int $limit |
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*/ |
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public function __construct(Dbal $dbal, $class, $limit = 20) |
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{ |
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$this->class = $class; |
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$this->dbal = $dbal; |
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$this->limit = $limit; |
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} |
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/** |
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* Add an entity to the bulk insert. |
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* |
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* @param Entity ...$entities |
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* @throws InvalidArgument |
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*/ |
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public function add(Entity ...$entities) |
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{ |
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foreach ($entities as $entity) { |
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if (!$entity instanceof $this->class) { |
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throw new InvalidArgument('Only entities from type ' . $this->class . ' can be added'); |
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} |
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} |
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array_push($this->new, ...$entities); |
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while (count($this->new) >= $this->limit) { |
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$this->execute(); |
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} |
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} |
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/** |
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* Insert the outstanding entities and return all synced objects. |
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* |
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* @return Entity[] |
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*/ |
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public function finish() |
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{ |
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if (!empty($this->new)) { |
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$this->execute(); |
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} |
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return $this->synced; |
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} |
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/** |
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* Executes the bulk insert. |
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*/ |
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protected function execute() |
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{ |
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$new = array_splice($this->new, 0, $this->limit); |
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if ($this->dbal->bulkInsert($new, $this->update, $this->useAutoIncrement)) { |
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array_push($this->synced, ...$new); |
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!$this->onSync || call_user_func($this->onSync, $new); |
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} |
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} |
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/** @return int |
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* @codeCoverageIgnore trivial */ |
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public function getLimit() |
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{ |
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return $this->limit; |
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} |
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/** |
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* Limit the amount of entities inserted at once. |
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* |
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* @param int $limit |
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* @return $this |
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* @codeCoverageIgnore trivial |
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*/ |
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public function limit($limit) |
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{ |
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$this->limit = $limit; |
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return $this; |
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} |
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/** |
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* Enable updating the primary keys from autoincrement |
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* |
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* **Caution**: Your db access layer (DBAL) may not support this feature. |
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* |
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* @return $this |
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* @codeCoverageIgnore trivial |
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*/ |
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public function useAutoincrement() |
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{ |
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$this->useAutoIncrement = true; |
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return $this; |
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} |
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/** |
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* Disable updating the primary key by auto increment. |
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* |
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* **Caution**: If this is disabled updating could cause a IncompletePrimaryKey exception. |
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* |
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* @return $this |
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* @codeCoverageIgnore trivial |
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*/ |
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public function noAutoincrement() |
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{ |
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$this->useAutoIncrement = false; |
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return $this; |
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} |
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/** |
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* Executes $callback after insert |
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* |
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* Provides an array of the just inserted entities in first argument. |
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* |
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* @param callable $callback |
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* @return $this |
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* @codeCoverageIgnore trivial |
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*/ |
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public function onSync(callable $callback) |
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{ |
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$this->onSync = $callback; |
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return $this; |
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} |
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/** |
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* Disable updating entities after insert |
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* |
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* @return $this |
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* @codeCoverageIgnore trivial |
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*/ |
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public function noUpdates() |
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{ |
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$this->update = false; |
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return $this; |
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} |
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/** |
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* Enable updating entities after insert |
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* |
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* **Caution**: This option will need to update the primary key by autoincrement which maybe is not supported |
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* by your db access layer (DBAL). |
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* |
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* @return $this |
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* @codeCoverageIgnore trivial |
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*/ |
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public function updateEntities() |
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{ |
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$this->update = true; |
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return $this; |
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} |
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} |
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tflori /
orm
