code: public C get(String id){
  		C container = this.containerMap.get(id);
  
  		if(container != null && (container.getState()).equals(State.REMOVED)){
  			return null;
  		}
  
  		return container;
  	}
docs: Looks up a Container by its identifier.
  
  @return The Container instance or <code>null</code>