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<?php |
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declare(strict_types=1); |
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namespace Crossjoin\Browscap\Parser\Sqlite\Adapter; |
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use Crossjoin\Browscap\Exception\ParserConditionNotSatisfiedException; |
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use Crossjoin\Browscap\Exception\ParserConfigurationException; |
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use Crossjoin\Browscap\Exception\ParserRuntimeException; |
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/** |
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* Class Pdo |
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* |
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* @package Crossjoin\Browscap\Parser\Sqlite\Adapter |
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* @author Christoph Ziegenberg <[email protected]> |
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* @link https://github.com/crossjoin/browscap |
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*/ |
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class Pdo extends AdapterAbstract implements AdapterInterface, AdapterFactoryInterface |
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{ |
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/** |
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* @var \PDO |
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*/ |
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protected $connection; |
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/** |
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* Pdo constructor. |
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* |
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* @inheritdoc |
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* |
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* @throws ParserConditionNotSatisfiedException |
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*/ |
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public function __construct(string $fileName) |
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{ |
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if (!$this->checkConditions()) { |
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throw new ParserConditionNotSatisfiedException('PDO extension with Sqlite support missing.'); |
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} |
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parent::__construct($fileName); |
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} |
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/** |
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* @return bool |
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*/ |
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protected function checkConditions() : bool |
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{ |
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return (class_exists('\PDO') && in_array('sqlite', \PDO::getAvailableDrivers(), true)); |
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} |
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/** |
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* @return \PDO |
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* @throws ParserConfigurationException |
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*/ |
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protected function getConnection() : \PDO |
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{ |
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if ($this->connection === null) { |
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try { |
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$this->connection = new \PDO('sqlite:' . $this->getFileName()); |
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$this->connection->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); |
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} catch (\PDOException $e) { |
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throw new ParserConfigurationException( |
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"Could not connect to database '" . $this->getFileName() . "'.", 0, $e |
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); |
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} |
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} |
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return $this->connection; |
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} |
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/** |
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* @inheritdoc |
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* |
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* @throws ParserConfigurationException |
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* @throws ParserRuntimeException |
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*/ |
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public function beginTransaction() : bool |
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{ |
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try { |
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return $this->getConnection()->beginTransaction(); |
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} catch (\PDOException $e) { |
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throw new ParserRuntimeException('Transaction could not be started.', 0, $e); |
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} |
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} |
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/** |
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* @inheritdoc |
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* |
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* @throws ParserConfigurationException |
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* @throws ParserRuntimeException |
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*/ |
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public function commitTransaction() : bool |
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{ |
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try { |
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return $this->getConnection()->commit(); |
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} catch (\PDOException $e) { |
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throw new ParserRuntimeException('Transaction could not be committed.', 0, $e); |
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} |
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} |
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/** |
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* @inheritdoc |
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* |
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* @throws ParserConfigurationException |
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* @throws ParserRuntimeException |
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*/ |
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public function query(string $statement) : array |
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{ |
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try { |
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return $this->getConnection()->query($statement)->fetchAll(\PDO::FETCH_ASSOC); |
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} catch (\PDOException $e) { |
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throw new ParserRuntimeException('Statement could not be executed.', 0, $e); |
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} |
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} |
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/** |
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* @inheritdoc |
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* |
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* @throws ParserConfigurationException |
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* @throws ParserRuntimeException |
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*/ |
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public function prepare(string $statement) : PreparedStatementInterface |
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{ |
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try { |
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$preparedStatement = $this->getConnection()->prepare($statement); |
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return new PdoPreparedStatement($preparedStatement); |
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} catch (\PDOException $e) { |
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throw new ParserRuntimeException('Statement could not be prepared.', 0, $e); |
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} |
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} |
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/** |
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* @inheritdoc |
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* |
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* @throws ParserConfigurationException |
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* @throws ParserRuntimeException |
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*/ |
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public function exec(string $statement) : bool |
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{ |
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try { |
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return ($this->getConnection()->exec($statement) !== false); |
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} catch (\PDOException $e) { |
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throw new ParserRuntimeException('Statement could not be executed.', 0, $e); |
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} |
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} |
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public function __destruct() |
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{ |
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$this->connection = null; |
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} |
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} |
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crossjoin /
Browscap
