code: def open(correlation_id, components):
          
          if components == None:
              return
  
          for component in components:
              Opener.open_one(correlation_id, component)
docs: Opens multiple components.
  
          To be opened components must implement [[IOpenable]] interface.
          If they don't the call to this method has no effect.
  
          :param correlation_id: (optional) transaction id to trace execution through call chain.
  
          :param components: the list of components that are to be closed.