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<?php |
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namespace ByJG\MicroOrm; |
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use ByJG\AnyDataset\Db\DbDriverInterface; |
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use ByJG\AnyDataset\Db\Factory; |
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use ByJG\MicroOrm\Exception\TransactionException; |
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class ConnectionManager |
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{ |
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/** |
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* @var DbDriverInterface[] |
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*/ |
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protected static $connectionList = []; |
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/** |
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* It has an active transaction? |
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* |
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* @var bool |
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*/ |
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protected static $transaction = false; |
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/** |
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* Add or reuse a connection |
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* |
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* @param $uriString |
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* @return \ByJG\AnyDataset\Db\DbDriverInterface |
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*/ |
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public function addConnection($uriString) |
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{ |
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if (!isset(self::$connectionList[$uriString])) { |
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self::$connectionList[$uriString] = Factory::getDbRelationalInstance($uriString); |
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if (self::$transaction) { |
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self::$connectionList[$uriString]->beginTransaction(); |
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} |
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} |
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return self::$connectionList[$uriString]; |
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} |
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/** |
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* @return int |
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*/ |
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public function count() |
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{ |
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return count(self::$connectionList); |
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} |
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/** |
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* Start a database transaction with the opened connections |
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* |
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* @throws \ByJG\MicroOrm\Exception\TransactionException |
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*/ |
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public function beginTransaction() |
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{ |
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if (self::$transaction) { |
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throw new TransactionException("Transaction Already Started"); |
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} |
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self::$transaction = true; |
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foreach (self::$connectionList as $dbDriver) { |
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$dbDriver->beginTransaction(); |
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} |
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} |
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/** |
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* Commit all open transactions |
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* |
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* @throws \ByJG\MicroOrm\Exception\TransactionException |
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*/ |
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public function commitTransaction() |
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{ |
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if (!self::$transaction) { |
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throw new TransactionException("There is no Active Transaction"); |
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} |
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self::$transaction = false; |
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foreach (self::$connectionList as $dbDriver) { |
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$dbDriver->commitTransaction(); |
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} |
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} |
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/** |
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* Rollback all open transactions |
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* |
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* @throws \ByJG\MicroOrm\Exception\TransactionException |
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*/ |
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public function rollbackTransaction() |
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{ |
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if (!self::$transaction) { |
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throw new TransactionException("There is no Active Transaction"); |
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} |
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self::$transaction = false; |
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foreach (self::$connectionList as $dbDriver) { |
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$dbDriver->rollbackTransaction(); |
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} |
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} |
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/** |
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* Destroy all connections |
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*/ |
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public function destroy() |
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{ |
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foreach (self::$connectionList as $dbDriver) { |
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if (self::$transaction) { |
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$dbDriver->commitTransaction(); |
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} |
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} |
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self::$transaction = false; |
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self::$connectionList = []; |
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} |
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} |
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byjg /
micro-orm
