ProgressEventNotifier (apache-cassandra API)

All Known Implementing Classes:

BootStrapper, ProgressEventNotifierSupport, RepairRunnable, TraceState, TraceStateImpl
```
public interface ProgressEventNotifier
```
Interface for ProgressEvent publisher.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addProgressListener(ProgressListener listener)`	Register progress listener to this publisher.
`void`	`removeProgressListener(ProgressListener listener)`	Remove progress listener from this publisher.

- Method Detail
  - addProgressListener
```
void addProgressListener(ProgressListener listener)
```
    Register progress listener to this publisher.
    
    Parameters:
    
    listener - listener to register.
  - removeProgressListener
```
void removeProgressListener(ProgressListener listener)
```
    Remove progress listener from this publisher.
    
    Parameters:
    
    listener - listener to remove