28 lines
532 B
Java
28 lines
532 B
Java
package org.gcube.data.streams.delegates;
|
|
|
|
import org.gcube.data.streams.Stream;
|
|
|
|
/**
|
|
* A listener of key events in the iteration of a target {@link Stream}.
|
|
*
|
|
* @author Fabio Simeoni
|
|
*
|
|
*/
|
|
public interface StreamListener {
|
|
|
|
/**
|
|
* Invoked after the first element of the target {@link Stream} has been iterated over.
|
|
*/
|
|
void onStart();
|
|
|
|
/**
|
|
* Invoked after the last element of the target {@link Stream} has been iterated over.
|
|
*/
|
|
void onEnd();
|
|
|
|
/**
|
|
* Invoked then stream is closed.
|
|
*/
|
|
void onClose();
|
|
}
|