ptolemy.kernel.util.test

Class StreamValueListener

java.lang.Object

ptolemy.kernel.util.test.StreamValueListener

All Implemented Interfaces:

ValueListener

public class StreamValueListener
extends java.lang.Object
implements ValueListener

A value listener that describes value changes on the standard output when the value of an object implementing Settable changes.

Since:

Ptolemy II 2.1

Author:

Christopher Hylands

See Also:

Variable

Pt.AcceptedRating:

Green (cxh)

Pt.ProposedRating:

Green (eal)

Field Summary

Fields

Modifier and Type	Field and Description
protected java.io.PrintStream	_output The PrintStream that we direct the output to.

Constructor Summary

Constructors

Constructor and Description
StreamValueListener() Create a value listener that sends messages to the standard output.
StreamValueListener(java.io.OutputStream out) Create a value listener that sends messages to the specified stream.

Method Summary

Modifier and Type	Method and Description
void	valueChanged(Settable settable) React to the fact that the specified Settable has changed.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_output

protected java.io.PrintStream _output

The PrintStream that we direct the output to.

Constructor Detail

StreamValueListener

public StreamValueListener()

Create a value listener that sends messages to the standard output.

StreamValueListener

public StreamValueListener(java.io.OutputStream out)

Create a value listener that sends messages to the specified stream.

Parameters:

out - The stream to send messages to.

Method Detail

valueChanged

public void valueChanged(Settable settable)

React to the fact that the specified Settable has changed.

Specified by:

valueChanged in interface ValueListener

Parameters:

settable - The object that has changed value.