Base class for simple data sinks. This class provides an input port,
exposed as a public variable, and a clone method that ensures that the
public variable is correctly set in the clone. The main reason for this
class to ensure that the input ports of all sinks have the same name
and are correctly handled in cloned actors.
Edward A. Lee
$Id: Sink.java 65763 2013-03-07 01:54:37Z cxh $
Ptolemy II 0.3
Green (eal)
Green (bilung)
The input port, which is a multiport.