Transformer
ptolemy.actor.lib.Transformer

This is an abstract base class for actors that transform an input stream into an output stream. It provides an input and an output port, and manages the cloning of these ports.

Author(s): Edward A. Lee
Version:$Id: Transformer.java,v 1.26 2005/07/08 19:56:08 cxh Exp $
Pt.Proposed Rating:Green (eal)
Pt.Accepted Rating:Green (bilung)


input
The input port. This base class imposes no type constraints except that the type of the input cannot be greater than the type of the output.

output
The output port. By default, the type of this output is constrained to be at least that of the input.