/**
* @static
* @param array $database_settings
* @return AkDbAdapter
*/
function &getInstance($database_specifications = AK_DEFAULT_DATABASE_PROFILE, $auto_connect = true)
{
static $connections;
$settings_hash = is_string($database_specifications) ? $database_specifications : AkDbAdapter::_hash($database_specifications);
if (empty($connections[$settings_hash])) {
global $database_settings;
if (is_string($database_specifications)) {
if (!empty($database_settings[$database_specifications])) {
$database_specifications = $database_settings[$database_specifications];
} elseif (strstr($database_specifications, '://')) {
$database_specifications = AkDbAdapter::_getDbSettingsFromDsn($database_specifications);
$settings_hash = AK_ENVIRONMENT;
} else {
trigger_error(Ak::t("Could not find the database profile '%profile_name' in config/config.php.", array('%profile_name' => $database_specifications)), E_USER_ERROR);
$return = false;
return $return;
}
} elseif (!empty($database_settings[$settings_hash])) {
$database_specifications = $database_settings[$settings_hash];
}
$available_adapters = Ak::toArray(AK_AVAILABLE_DATABASES);
$class_name = 'AkDbAdapter';
$designated_database = strtolower($database_specifications['type']);
if (in_array($designated_database, $available_adapters)) {
$class_name = 'Ak' . ucfirst($designated_database) . 'DbAdapter';
require_once AK_LIB_DIR . DS . 'AkActiveRecord' . DS . 'AkDbAdapters' . DS . $class_name . '.php';
}
$connections[$settings_hash] =& new $class_name($database_specifications, $auto_connect);
}
return $connections[$settings_hash];
}
/**
* @static
* @param array $database_settings
* @return AkDbAdapter
*/
public static function &getInstance($database_specifications = AK_DEFAULT_DATABASE_PROFILE, $auto_connect = true)
{
static $connections;
$settings_hash = is_string($database_specifications) ? $database_specifications : AkDbAdapter::_hash($database_specifications);
if (empty($connections[$settings_hash])) {
if (empty($database_specifications)) {
$settings_hash = AK_ENVIRONMENT;
$database_specifications = Ak::getSettings('database', false, $settings_hash);
} else {
if (is_string($database_specifications)) {
$environment_settings = Ak::getSettings('database', false, $database_specifications);
if (!empty($environment_settings)) {
$database_specifications = $environment_settings;
} elseif (strstr($database_specifications, '://')) {
$database_specifications = AkDbAdapter::_getDbSettingsFromDsn($database_specifications);
$settings_hash = AK_ENVIRONMENT;
} else {
global $database_settings;
if (isset($database_settings) && !file_exists(AK_CONFIG_DIR . DS . 'database.yml')) {
trigger_error(Ak::t("You are still using the old config/config.php database configuration. Please upgrade to use the config/database.yml configuration."), E_USER_NOTICE);
}
if (!file_exists(AK_CONFIG_DIR . DS . 'database.yml')) {
trigger_error(Ak::t("Could not find the database configuration file in %dbconfig.", array('%dbconfig' => AK_CONFIG_DIR . DS . 'database.yml')), E_USER_ERROR);
} else {
trigger_error(Ak::t("Could not find the database profile '%profile_name' in config/database.yml.", array('%profile_name' => $database_specifications)), E_USER_ERROR);
}
$return = false;
return $return;
}
} elseif (!empty($database_settings[$settings_hash])) {
$database_specifications = $database_settings[$settings_hash];
}
}
$available_adapters = Ak::toArray(AK_AVAILABLE_DATABASES);
$class_name = 'AkDbAdapter';
$designated_database = strtolower($database_specifications['type']);
if (in_array($designated_database, $available_adapters)) {
$class_name = 'Ak' . ucfirst($designated_database) . 'DbAdapter';
require_once AK_LIB_DIR . DS . 'AkActiveRecord' . DS . 'AkDbAdapters' . DS . $class_name . '.php';
}
$connections[$settings_hash] = new $class_name($database_specifications, $auto_connect);
}
return $connections[$settings_hash];
}
