/**
* Adds the specified service to the service container.
* @param mixed object, class name or service factory callback
* @param string optional service name (for factories is not optional)
* @param bool promote to higher level?
* @return void
* @throws InvalidArgumentException, AmbiguousServiceException
*/
public function addService($service, $name = NULL, $promote = FALSE)
{
if (is_object($service)) {
if ($name === NULL) {
$name = get_class($service);
}
} elseif (is_string($service)) {
if ($name === NULL) {
$name = $service;
}
} elseif (is_callable($service, TRUE)) {
if (empty($name)) {
throw new InvalidArgumentException('When factory callback is given, service name must be specified.');
}
} else {
throw new InvalidArgumentException('Service must be name, object or factory callback.');
}
$lower = strtolower($name);
if (isset($this->registry[$lower])) {
throw new AmbiguousServiceException("Service named '{$name}' has been already registered.");
}
if (is_object($service)) {
$this->registry[$lower] = $service;
} else {
$this->factories[$lower] = $service;
}
if ($promote && $this->parent !== NULL) {
$this->parent->addService($service, $name, TRUE);
}
}
