org.basex.index
Class IndexIterator

java.lang.Object
  org.basex.index.IndexIterator

Direct Known Subclasses:

IndexArrayIterator

public abstract class IndexIterator
extends java.lang.Object

This interface provides methods for returning index results.

Author:

Workgroup DBIS, University of Konstanz 2005-08, ISC License, Christian Gruen

Field Summary

static IndexIterator

EMPTY Empty iterator.

Constructor Summary

IndexIterator()

Method Summary

abstract boolean	more() Checks if more results are available.
abstract int	next() Returns the next result.
abstract FTNode	nextFTNodeFD() Returns the next result as FTNode object.
abstract int	size() Returns the number of index results.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EMPTY

public static final IndexIterator EMPTY

Empty iterator.

Constructor Detail

IndexIterator

public IndexIterator()

Method Detail

more

public abstract boolean more()

Checks if more results are available.

Returns:

result

next

public abstract int next()

Returns the next result.

Returns:

result

size

public abstract int size()

Returns the number of index results.

Returns:

size

nextFTNodeFD

public abstract FTNode nextFTNodeFD()

Returns the next result as FTNode object.

Returns:

next FTNode