/**
* Setup the adapters needed. An adapter must be defined for each database connection.
* Generally the adapter will be the same as the PEAR phpname; e.g. for MySQL, use the
* 'mysql' adapter.
* @param array $configuration the Configuration representing the properties file
* @throws PropelException Any exceptions caught during processing will be
* rethrown wrapped into a PropelException.
*/
private static function initAdapters($configuration)
{
self::$adapterMap = array();
$c = isset($configuration['datasources']) ? $configuration['datasources'] : null;
if (!empty($c)) {
try {
foreach ($c as $handle => $properties) {
if (is_array($properties) && isset($properties['adapter'])) {
$db = DBAdapter::factory($properties['adapter']);
// register the adapter for this name
self::$adapterMap[$handle] = $db;
}
}
} catch (Exception $e) {
throw new PropelException("Unable to initialize adapters.", $e);
}
} else {
self::log("There were no adapters in the configuration.", self::LOG_WARNING);
}
}
/**
* Returns database adapter for a specific datasource.
*
* @param string The datasource name.
*
* @return DBAdapter The corresponding database adapter.
*
* @throws PropelException If unable to find DBdapter for specified db.
*/
public static function getDB($name = null)
{
if ($name === null) {
$name = self::getDefaultDB();
}
if (!isset(self::$adapterMap[$name])) {
if (!isset(self::$configuration['datasources'][$name]['adapter'])) {
throw new PropelException("Unable to find adapter for datasource [" . $name . "].");
}
$db = DBAdapter::factory(self::$configuration['datasources'][$name]['adapter']);
// register the adapter for this name
self::$adapterMap[$name] = $db;
}
return self::$adapterMap[$name];
}
