com.hp.hpl.jena.util.iterator
Class MapFilterIterator

java.lang.Object
  com.hp.hpl.jena.util.iterator.NiceIterator
      com.hp.hpl.jena.util.iterator.MapFilterIterator

All Implemented Interfaces:

ClosableIterator, ExtendedIterator, java.util.Iterator

public class MapFilterIterator

extends NiceIterator

implements ExtendedIterator

A MapFilterIterator takes a MapFilter and an [Extended]Iterator and returns a new ExtendedIterator which delivers the sequence of all non-null elements MapFilter(X) for X from the base iterator.

Author:

kers

Constructor Summary

MapFilterIterator(MapFilter fl, ExtendedIterator e)
Creates a sub-Iterator.

Method Summary

void	close() Close the iterator.
boolean	hasNext() Are there any more acceptable objects.
java.lang.Object	next() The next acceptable object in the iterator.
void	remove() remove's the member from the underlying Iterator; hasNext() may not be called between calls to next() and remove().

Methods inherited from class com.hp.hpl.jena.util.iterator.NiceIterator

andThen, andThen, filterDrop, filterKeep, mapWith, removeNext

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.hp.hpl.jena.util.iterator.ExtendedIterator

andThen, filterDrop, filterKeep, mapWith, removeNext

Constructor Detail

MapFilterIterator

public MapFilterIterator(MapFilter fl,
                         ExtendedIterator e)

Creates a sub-Iterator.

Parameters:

fl - An object is included if it is accepted by this Filter.

e - The parent Iterator.

Method Detail

hasNext

public boolean hasNext()

Are there any more acceptable objects.

Specified by:

hasNext in interface java.util.Iterator

Overrides:

hasNext in class NiceIterator

Returns:

true if there is another acceptable object.

close

public void close()

Description copied from interface: ClosableIterator

Close the iterator. Other oeprations on this iterator may now throw an exception. A ClosableIterator may be closed as many times as desired - the subsequent calls do nothing.

Specified by:

close in interface ClosableIterator

Overrides:

close in class NiceIterator

remove

public void remove()

remove's the member from the underlying Iterator; hasNext() may not be called between calls to next() and remove().

Specified by:

remove in interface java.util.Iterator

Overrides:

remove in class NiceIterator

next

public java.lang.Object next()

The next acceptable object in the iterator.

Specified by:

next in interface java.util.Iterator

Overrides:

next in class NiceIterator

Returns:

The next acceptable object.