Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Class diagram of the filter pipeline in unified markup language notation (Booch et al., 2005). Every IFilter implementation can have zero or more instances of CInputPort or COutputPort. IOutputPortListener is the interface from which connection classes inherit in order to receive data from an output port [cf. observer pattern in Gamma et al. (1994)].
