javaewah
Class EWAHIterator

java.lang.Object
  javaewah.EWAHIterator

public final class EWAHIterator
extends Object

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

Since:

0.1.0

Author:

Daniel Lemire

Constructor Summary

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

Method Summary

long[]	buffer() Access to the array of words
int	dirtyWords() Position of the dirty words represented by this running length word.
boolean	hasNext() Checks for next.
RunningLengthWord	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

EWAHIterator

public EWAHIterator(long[] 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

hasNext

public boolean hasNext()

Checks for next.

Returns:

true, if successful

next

public RunningLengthWord next()

Next running length word.

Returns:

the running length word

dirtyWords

public int dirtyWords()

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

Returns:

the int

buffer

public long[] buffer()

Access to the array of words

Returns:

the long[]