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<?php |
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declare(strict_types=1); |
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namespace Cycle\ORM\Transaction; |
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use Cycle\Database\Driver\DriverInterface; |
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use Cycle\ORM\Command\CommandInterface; |
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use Cycle\ORM\Command\CompleteMethodInterface; |
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use Cycle\ORM\Command\RollbackMethodInterface; |
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use Cycle\ORM\Command\StoreCommandInterface; |
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use Cycle\ORM\Exception\RunnerException; |
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use Traversable; |
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/** |
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* @internal |
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*/ |
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final class Runner implements RunnerInterface |
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{ |
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private const MODE_IGNORE_TRANSACTION = 0; |
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private const MODE_CONTINUE_TRANSACTION = 1; |
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private const MODE_OPEN_TRANSACTION = 2; |
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/** @var DriverInterface[] */ |
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private array $drivers = []; |
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/** @var CommandInterface[] */ |
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private array $executed = []; |
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private int $countExecuted = 0; |
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2996 |
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private function __construct( |
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private int $mode |
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) { |
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} |
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public function run(CommandInterface $command): void |
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{ |
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2668 |
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if ($command instanceof Traversable) { |
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foreach ($command as $cmd) { |
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$this->run($cmd); |
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} |
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return; |
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} |
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// found the same link from multiple branches |
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2668 |
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if ($command->isExecuted()) { |
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$this->countExecuted++; |
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return; |
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} |
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if ($command instanceof StoreCommandInterface && !$command->hasData()) { |
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return; |
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} |
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if ($command->getDatabase() !== null) { |
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$driver = $command->getDatabase()->getDriver(); |
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if (!\in_array($driver, $this->drivers, true)) { |
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$this->prepareTransaction($driver); |
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$this->drivers[] = $driver; |
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} |
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} |
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$command->execute(); |
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$this->countExecuted++; |
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if ($command instanceof CompleteMethodInterface || $command instanceof RollbackMethodInterface) { |
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$this->executed[] = $command; |
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} |
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} |
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public function count(): int |
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{ |
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return $this->countExecuted; |
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} |
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public function complete(): void |
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{ |
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if ($this->mode === self::MODE_OPEN_TRANSACTION) { |
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// Commit all of the open and normalized database transactions |
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2796 |
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foreach (array_reverse($this->drivers) as $driver) { |
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/** @var DriverInterface $driver */ |
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$driver->commitTransaction(); |
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} |
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} |
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// Other type of transaction to close |
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foreach ($this->executed as $command) { |
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if ($command instanceof CompleteMethodInterface) { |
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$command->complete(); |
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} |
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} |
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$this->drivers = $this->executed = []; |
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} |
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public function rollback(): void |
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{ |
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if ($this->mode === self::MODE_OPEN_TRANSACTION) { |
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// Close all open and normalized database transactions |
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foreach (array_reverse($this->drivers) as $driver) { |
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/** @var DriverInterface $driver */ |
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$driver->rollbackTransaction(); |
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} |
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} |
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// Close all of external types of transactions (revert changes) |
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foreach (array_reverse($this->executed) as $command) { |
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if ($command instanceof RollbackMethodInterface) { |
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$command->rollBack(); |
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} |
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} |
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$this->drivers = $this->executed = []; |
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} |
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/** |
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* Create Runner in the 'inner transaction' mode. |
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* In this case the Runner will open new transaction for each used driver connection |
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* and will close they on finish. |
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*/ |
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public static function innerTransaction(): self |
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{ |
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return new self(self::MODE_OPEN_TRANSACTION); |
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} |
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/** |
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* Create Runner in the 'outer transaction' mode. |
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* In this case the Runner won't begin transactions, you should do it previously manually. |
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* This mode also means the Runner WON'T commit or rollback opened transactions on success or fail. |
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* But commands that implement CompleteMethodInterface or RollbackMethodInterface will be called. |
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* |
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* @param bool $strict Check transaction statuses before commands running. |
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* When strict mode is {@see true} and a transaction of any used driver didn't be opened |
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* the Runner will throw an Exception and stop Unit of Work. |
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* When strict mode is {@see false} the Runner won't begin/commit/rollback transactions |
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* and will ignore any transaction statuses. |
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*/ |
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public static function outerTransaction(bool $strict = true): self |
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{ |
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return new self($strict ? self::MODE_CONTINUE_TRANSACTION : self::MODE_IGNORE_TRANSACTION); |
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} |
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private function prepareTransaction(DriverInterface $driver): void |
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{ |
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if ($this->mode === self::MODE_IGNORE_TRANSACTION) { |
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return; |
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} |
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if ($this->mode === self::MODE_CONTINUE_TRANSACTION) { |
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if ($driver->getTransactionLevel() === 0) { |
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throw new RunnerException(sprintf( |
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'The `%s` driver connection has no opened transaction.', |
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$driver->getType() |
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)); |
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} |
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return; |
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} |
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$driver->beginTransaction(); |
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} |
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} |
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cycle /
orm
