ptolemy.actor
Class StreamExecutionListener

java.lang.Object
  ptolemy.actor.StreamExecutionListener

All Implemented Interfaces:

ExecutionListener

public class StreamExecutionListener
extends java.lang.Object
implements ExecutionListener

A default implementation of the ExecutionListener interface. This implementation prints information about each event to a stream.

Since:

Ptolemy II 0.4

Version:

$Id: StreamExecutionListener.java 57040 2010-01-27 20:52:32Z cxh $

Author:

Steve Neuendorffer, Lukito Muliadi, Edward A. Lee

Accepted Rating:

Green (bart)

Proposed Rating:

Green (eal)

Field Summary

private java.io.PrintStream

_output

Constructor Summary

StreamExecutionListener()
Create a listener that sends messages to the standard output.

StreamExecutionListener(java.io.OutputStream out)
Create a listener that sends messages to the given output stream.

Method Summary

void	executionError(Manager manager, java.lang.Throwable throwable) Report an execution failure by printing a message to output stream specified to the constructor.
void	executionFinished(Manager manager) Report that the current execution finished by printing a message to output stream specified to the constructor.
void	managerStateChanged(Manager manager) Report that the manager has changed state by printing a message to output stream specified to the constructor.

Methods inherited from class java.lang.Object

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

Field Detail

_output

private java.io.PrintStream _output

Constructor Detail

StreamExecutionListener

public StreamExecutionListener()

Create a listener that sends messages to the standard output.

StreamExecutionListener

public StreamExecutionListener(java.io.OutputStream out)

Create a listener that sends messages to the given output stream.

Parameters:

out - The output stream to send the messages to.

Method Detail

executionError

public void executionError(Manager manager,
                           java.lang.Throwable throwable)

Report an execution failure by printing a message to output stream specified to the constructor.

Specified by:

executionError in interface ExecutionListener

Parameters:

manager - The manager controlling the execution.

throwable - The throwable to report.

executionFinished

public void executionFinished(Manager manager)

Report that the current execution finished by printing a message to output stream specified to the constructor.

Specified by:

executionFinished in interface ExecutionListener

Parameters:

manager - The manager controlling the execution.

managerStateChanged

public void managerStateChanged(Manager manager)

Report that the manager has changed state by printing a message to output stream specified to the constructor.

Specified by:

managerStateChanged in interface ExecutionListener

Parameters:

manager - The manager controlling the execution.

See Also:

Manager.getState()