com.googlecode.javaewah32
Class EWAHIterator32

java.lang.Object
  com.googlecode.javaewah32.EWAHIterator32

public final class EWAHIterator32
extends Object

The class EWAHIterator represents a special type of efficient iterator iterating over (uncompressed) words of bits.

Since:

0.5.0

Author:

Daniel Lemire

Constructor Summary

EWAHIterator32(int[] a, int sizeinwords)
Instantiates a new eWAH iterator.

Method Summary

int[]	buffer() Access to the array of words
static EWAHIterator32	getEWAHIterator(EWAHCompressedBitmap32 bitmap) Allow expert developers to instantiate an EWAHIterator.
boolean	hasNext() Checks for next.
int	literalWords() Position of the literal words represented by this running length word.
RunningLengthWord32	next() Next running length word.

Methods inherited from class java.lang.Object

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

Constructor Detail

EWAHIterator32

public EWAHIterator32(int[] a,
                      int sizeinwords)

Instantiates a new eWAH iterator.

Parameters:

a - the array of words

sizeinwords - the number of words that are significant in the array of words

Method Detail

getEWAHIterator

public static EWAHIterator32 getEWAHIterator(EWAHCompressedBitmap32 bitmap)

Allow expert developers to instantiate an EWAHIterator.

Parameters:

bitmap -

Returns:

an iterator

buffer

public int[] buffer()

Access to the array of words

Returns:

the int[]

literalWords

public int literalWords()

Position of the literal words represented by this running length word.

Returns:

the int

hasNext

public boolean hasNext()

Checks for next.

Returns:

true, if successful

next

public RunningLengthWord32 next()

Next running length word.

Returns:

the running length word