/**
* Get service instance
*
* @param ServiceLocatorInterface $serviceLocator Service Locator instance
* @return mixed
*/
public function getServiceInstance(ServiceLocatorInterface $serviceLocator)
{
if ($this->instance === null) {
/**
* Instance must be created using factory
*/
if ($this->factory instanceof \Closure) {
$instance = call_user_func($this->factory, $serviceLocator);
} else {
$instance = $this->factory->factory($serviceLocator);
}
if (!$this->isShared()) {
return $instance;
// new instance must be returned
} else {
$this->instance = $instance;
// cache instance
return $this->instance;
// same instance must be returned
}
} else {
/**
* Instance either was passed directly or has been created earlier
*/
if (!$this->isShared()) {
return $this->instance;
// new instance must be returned
} else {
return clone $this->instance;
// same instance must be returned
}
}
}
