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11 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
15 * This software consists of voluntary contributions made by many individuals
16 * and is licensed under the MIT license. For more information, see
17 * <http://www.doctrine-project.org>.
20 namespace Doctrine\DBAL;
22 use Doctrine\Common\EventManager;
25 * Factory for creating Doctrine\DBAL\Connection instances.
27 * @author Roman Borschel <roman@code-factory.org>
30 final class DriverManager
33 * List of supported drivers and their mappings to the driver classes.
35 * To add your own driver use the 'driverClass' parameter to
36 * {@link DriverManager::getConnection()}.
40 private static $_driverMap = array(
41 'pdo_mysql' => 'Doctrine\DBAL\Driver\PDOMySql\Driver',
42 'pdo_sqlite' => 'Doctrine\DBAL\Driver\PDOSqlite\Driver',
43 'pdo_pgsql' => 'Doctrine\DBAL\Driver\PDOPgSql\Driver',
44 'pdo_oci' => 'Doctrine\DBAL\Driver\PDOOracle\Driver',
45 'oci8' => 'Doctrine\DBAL\Driver\OCI8\Driver',
46 'ibm_db2' => 'Doctrine\DBAL\Driver\IBMDB2\DB2Driver',
47 'pdo_ibm' => 'Doctrine\DBAL\Driver\PDOIbm\Driver',
48 'pdo_sqlsrv' => 'Doctrine\DBAL\Driver\PDOSqlsrv\Driver',
49 'mysqli' => 'Doctrine\DBAL\Driver\Mysqli\Driver',
50 'drizzle_pdo_mysql' => 'Doctrine\DBAL\Driver\DrizzlePDOMySql\Driver',
51 'sqlsrv' => 'Doctrine\DBAL\Driver\SQLSrv\Driver',
54 /** Private constructor. This class cannot be instantiated. */
55 private function __construct() { }
58 * Creates a connection object based on the specified parameters.
59 * This method returns a Doctrine\DBAL\Connection which wraps the underlying
62 * $params must contain at least one of the following.
64 * Either 'driver' with one of the following values:
78 * OR 'driverClass' that contains the full class name (with namespace) of the
79 * driver class to instantiate.
81 * Other (optional) parameters:
83 * <b>user (string)</b>:
84 * The username to use when connecting.
86 * <b>password (string)</b>:
87 * The password to use when connecting.
89 * <b>driverOptions (array)</b>:
90 * Any additional driver-specific options for the driver. These are just passed
91 * through to the driver.
94 * You can pass an existing PDO instance through this parameter. The PDO
95 * instance will be wrapped in a Doctrine\DBAL\Connection.
97 * <b>wrapperClass</b>:
98 * You may specify a custom wrapper class through the 'wrapperClass'
99 * parameter but this class MUST inherit from Doctrine\DBAL\Connection.
101 * <b>driverClass</b>:
102 * The driver class to use.
104 * @param array $params The parameters.
105 * @param \Doctrine\DBAL\Configuration The configuration to use.
106 * @param \Doctrine\Common\EventManager The event manager to use.
107 * @return \Doctrine\DBAL\Connection
109 public static function getConnection(
111 Configuration $config = null,
112 EventManager $eventManager = null)
114 // create default config and event manager, if not set
116 $config = new Configuration();
118 if ( ! $eventManager) {
119 $eventManager = new EventManager();
122 // check for existing pdo object
123 if (isset($params['pdo']) && ! $params['pdo'] instanceof \PDO) {
124 throw DBALException::invalidPdoInstance();
125 } else if (isset($params['pdo'])) {
126 $params['pdo']->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
127 $params['driver'] = 'pdo_' . $params['pdo']->getAttribute(\PDO::ATTR_DRIVER_NAME);
129 self::_checkParams($params);
131 if (isset($params['driverClass'])) {
132 $className = $params['driverClass'];
134 $className = self::$_driverMap[$params['driver']];
137 $driver = new $className();
139 $wrapperClass = 'Doctrine\DBAL\Connection';
140 if (isset($params['wrapperClass'])) {
141 if (is_subclass_of($params['wrapperClass'], $wrapperClass)) {
142 $wrapperClass = $params['wrapperClass'];
144 throw DBALException::invalidWrapperClass($params['wrapperClass']);
148 return new $wrapperClass($params, $driver, $config, $eventManager);
152 * Checks the list of parameters.
154 * @param array $params
156 private static function _checkParams(array $params)
158 // check existance of mandatory parameters
161 if ( ! isset($params['driver']) && ! isset($params['driverClass'])) {
162 throw DBALException::driverRequired();
165 // check validity of parameters
168 if ( isset($params['driver']) && ! isset(self::$_driverMap[$params['driver']])) {
169 throw DBALException::unknownDriver($params['driver'], array_keys(self::$_driverMap));
172 if (isset($params['driverClass']) && ! in_array('Doctrine\DBAL\Driver', class_implements($params['driverClass'], true))) {
173 throw DBALException::invalidDriverClass($params['driverClass']);