IArtifactChangedListenerQueue (EASy-Producer Documentation API)

All Known Implementing Classes:

ArtifactChangedListenerQueue
```
public interface IArtifactChangedListenerQueue
```
Defines the interface for a set of listeners (observer part).

Author:

Holger Eichelber

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`registerListener(IArtifactChangedListener listener)`	Registers a `listener`.
`boolean`	`unregisterListener(IArtifactChangedListener listener)`	Unregisters a listener.

- Method Detail
  - registerListener
```
void registerListener(IArtifactChangedListener listener)
```
    Registers a listener. A listener will only be registered if it is not null and if it was not already registered.
    
    Parameters:
    
    listener - the listener to be registered
  - unregisterListener
```
boolean unregisterListener(IArtifactChangedListener listener)
```
    Unregisters a listener.
    
    Parameters:
    
    listener - the listener to be unregistered
    
    Returns:
    
    true if unregistering was successful, false else