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<?php |
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declare(strict_types=1); |
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namespace Tarantool\Mapper\Plugin; |
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use Exception; |
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use Tarantool\Client\Schema\Operations; |
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use Tarantool\Mapper\Entity; |
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use Tarantool\Mapper\Plugin; |
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use Tarantool\Mapper\Procedure\CreateSequence; |
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use Tarantool\Mapper\Space; |
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class Sequence extends Plugin |
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{ |
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public function generateKey(Entity $instance, Space $space) : Entity |
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{ |
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$primary = $space->getPrimaryIndex(); |
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if (count($primary['parts']) == 1) { |
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$key = $space->getFormat()[$primary['parts'][0][0]]['name']; |
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if (!property_exists($instance, $key) || is_null($instance->$key)) { |
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$instance->$key = $this->generateValue($space); |
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} |
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} |
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return $instance; |
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} |
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private $sequences = []; |
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public function initializeSequence(Space $space) |
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{ |
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if (!count($this->sequences)) { |
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foreach ($this->mapper->find('_vsequence') as $sq) { |
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$this->sequences[$sq->name] = true; |
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} |
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} |
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$name = $space->getName(); |
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if (!array_key_exists($name, $this->sequences)) { |
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$primaryIndex = $space->getIndexes()[0]; |
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if (count($primaryIndex['parts']) !== 1) { |
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throw new Exception("Composite primary key"); |
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} |
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$this->mapper |
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->getPlugin(Procedure::class) |
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->get(CreateSequence::class) |
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->execute($name, $primaryIndex['name'], $primaryIndex['parts'][0][0]+1); |
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$this->mapper->getRepository('_vsequence')->flushCache(); |
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$this->sequences[$name] = true; |
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} |
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} |
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private function generateValue(Space $space) : int |
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{ |
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$this->initializeSequence($space); |
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$next = $this->mapper->getClient() |
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->call('box.sequence.'.$space->getName().':next'); |
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return $next[0]; |
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} |
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} |
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tarantool-php /
mapper
