/**
* @param string $name
* @param waSystemConfig $config
* @param bool $set_current
* @throws waException
* @return waSystem
*/
public static function getInstance($name = null, waSystemConfig $config = null, $set_current = false)
{
if ($name === null) {
if ($config && $config instanceof waAppConfig) {
$name = $config->getName();
} else {
$name = self::$current;
}
}
if (!isset(self::$instances[$name])) {
if ($config === null && self::$current) {
/**
* @var $system waSystem
*/
$system = self::$instances[self::$current];
$locale = $set_current ? $system->getLocale() : null;
$config = SystemConfig::getAppConfig($name, $system->getEnv(), $system->config->getRootPath(), $locale);
}
if ($config) {
self::$instances[$name] = new self($config);
if (!self::$instances[$name] instanceof waSystem) {
throw new waException(sprintf('Class "%s" is not of the type waSystem.', $config));
}
} else {
throw new waException(sprintf('The "%s" system does not exist.', $name));
}
}
if ($set_current) {
self::setActive($name);
} elseif (!self::$current || self::$current == 'wa-system') {
self::$current = $name;
}
return self::$instances[$name];
}
