public function addComponent( common_configuration_Component $component)
    {
        
        $components = $this->getComponents();
        
        // Search for a similar...
        foreach ($components as $c){
        	if ($c === $component){
        		// Already stored.
        		return;
        	}
        }
        
        // Not stored yet.
        $components[] = $component;
        $this->setComponents($components);
        
        
    }