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<?php |
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namespace Borobudur\EventSourcing\Storage; |
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use Borobudur\EventSourcing\Exception\InvalidArgumentException; |
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use Borobudur\EventSourcing\Exception\RuntimeException; |
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use Borobudur\EventSourcing\Snapshot\SnapshotInterface; |
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/** |
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* @author Iqbal Maulana <[email protected]> |
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* @created 8/22/16 |
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*/ |
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abstract class AbstractStorageManager |
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{ |
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/** |
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* @var StorageInterface|SnapshotInterface[] |
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*/ |
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protected static $instances = array(); |
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/** |
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* Build or get an engine if already built. |
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* |
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* @param string $engine |
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* @param string $database |
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* @param string|null $host |
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* @param string|null $user |
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* @param string|null $pass |
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* @param int|null $port |
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* |
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* @return StorageInterface|SnapshotInterface |
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*/ |
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final public static function instance($engine, $database, $host = null, $user = null, $pass = null, $port = null) |
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{ |
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if (!isset(static::$instances[$engine])) { |
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static::buildInstance($engine, $host, $port, $database, $user, $pass); |
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} |
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return static::$instances[$engine]; |
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} |
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/** |
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* Build and register the engine. |
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* |
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* @param string $engine |
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* @param string $host |
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* @param int $port |
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* @param string $database |
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* @param string $user |
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* @param string $pass |
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* |
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* @throws InvalidArgumentException |
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*/ |
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protected static function buildInstance($engine, $host, $port, $database, $user, $pass) |
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{ |
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if (in_array($engine, static::supportEngines())) { |
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static::$instances[$engine] = static::buildEngine($engine, $host, $port, $database, $user, $pass); |
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} else { |
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throw new InvalidArgumentException(sprintf('Storage engine "%s" not found.', $engine)); |
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} |
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} |
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/** |
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* @return array |
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*/ |
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protected static function supportEngines() |
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{ |
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return array(); |
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} |
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/** |
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* @param string $engine |
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* @param string $host |
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* @param int $port |
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* @param string $database |
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* @param string $user |
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* @param string $pass |
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* |
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* @return mixed |
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*/ |
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protected static function buildEngine($engine, $host, $port, $database, $user, $pass) |
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{ |
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throw new RuntimeException('There are no implement of build engine.'); |
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} |
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} |
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borobudur-php /
borobudur-es
