jdbm.helper
Interface TupleBrowser<K,V>

public interface TupleBrowser<K,V>

Browser to traverse a collection of tuples. The browser allows for forward and reverse order traversal.

Version:

$Id: TupleBrowser.java,v 1.2 2001/05/19 14:02:00 boisvert Exp $

Author:

Alex Boisvert

Method Summary

boolean	getNext(Tuple<K,V> tuple) Get the next tuple.
boolean	getPrevious(Tuple<K,V> tuple) Get the previous tuple.

Method Detail

getNext

boolean getNext(Tuple<K,V> tuple)
                throws java.io.IOException

Get the next tuple.

Parameters:

tuple - Tuple into which values are copied.

Returns:

True if values have been copied in tuple, or false if there is no next tuple.

Throws:

java.io.IOException

getPrevious

boolean getPrevious(Tuple<K,V> tuple)
                    throws java.io.IOException

Get the previous tuple.

Parameters:

tuple - Tuple into which values are copied.

Returns:

True if values have been copied in tuple, or false if there is no previous tuple.

Throws:

java.io.IOException