prefuse.data.util
Class UniqueRowIterator

java.lang.Object
  prefuse.util.collections.AbstractLiteralIterator
      prefuse.util.collections.IntIterator
          prefuse.data.util.UniqueRowIterator

All Implemented Interfaces:

java.util.Iterator, LiteralIterator

public class UniqueRowIterator
extends IntIterator

IntIterator over rows that ensures that no duplicates appear in the iteration. Uses a bitset to note rows it has has seen and not pass along duplicate row values.

Author:

jeffrey heer

Constructor Summary

UniqueRowIterator(IntIterator iter)
Create a new UniqueRowIterator.

Method Summary

boolean	hasNext()
int	nextInt()
void	remove() Not supported.

Methods inherited from class prefuse.util.collections.IntIterator

isDoubleSupported, isFloatSupported, isIntSupported, isLongSupported, next, nextDouble, nextFloat, nextLong

Methods inherited from class prefuse.util.collections.AbstractLiteralIterator

isBooleanSupported, nextBoolean

Methods inherited from class java.lang.Object

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

Constructor Detail

UniqueRowIterator

public UniqueRowIterator(IntIterator iter)

Create a new UniqueRowIterator.

Parameters:

iter - a source iterator over table rows

Method Detail

hasNext

public boolean hasNext()

See Also:

Iterator.hasNext()

nextInt

public int nextInt()

Specified by:

nextInt in interface LiteralIterator

Specified by:

nextInt in class IntIterator

See Also:

LiteralIterator.nextInt()

remove

public void remove()

Not supported.

See Also:

Iterator.remove()