ProgressListener (Strange Eons API)

All Superinterfaces:

java.util.EventListener

All Known Implementing Classes:

ProgressBarAdapter, ProgressRangeAdapter
```
public interface ProgressListener
extends java.util.EventListener
```
An interface implemented by classes that wish to listen to a MonitoredAlgorithm to be notified when progress is made.

Since:

3.0

Author:

Chris Jennings

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`progressUpdate(java.lang.Object source, float progress)`	Called to indicate that an algorithm has made progress towards completion.

- Method Detail
  - progressUpdate
```
boolean progressUpdate(java.lang.Object source,
                       float progress)
```
    Called to indicate that an algorithm has made progress towards completion. If the listener returns true, it is a hint that the operation should be cancelled if possible.
    
    Parameters:
    
    source - the source of the progress event
    
    progress - a value between 0 (none) and 1 (algorithm complete)
    
    Returns:
    
    true if the callee wishes to hint that the algorithm be cancelled