com.googlecode.javaewah

Class EWAHIterator

java.lang.Object

com.googlecode.javaewah.EWAHIterator

All Implemented Interfaces:

Cloneable

public final class EWAHIterator
extends Object
implements Cloneable

The class EWAHIterator represents a special type of efficient iterator iterating over (uncompressed) words of bits. It is not meant for end users.

Since:

0.1.0

Author:

Daniel Lemire

Constructor Summary

Constructors

Constructor and Description
EWAHIterator(com.googlecode.javaewah.Buffer buffer) Instantiates a new EWAH iterator.

Method Summary

Modifier and Type	Method and Description
com.googlecode.javaewah.Buffer	buffer() Access to the buffer
EWAHIterator	clone()
static EWAHIterator	getEWAHIterator(EWAHCompressedBitmap 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.
RunningLengthWord	next() Next running length word.

Methods inherited from class java.lang.Object

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

Constructor Detail

EWAHIterator

public EWAHIterator(com.googlecode.javaewah.Buffer buffer)

Instantiates a new EWAH iterator.

Parameters:

buffer - the buffer

Method Detail

getEWAHIterator

public static EWAHIterator getEWAHIterator(EWAHCompressedBitmap bitmap)

Allow expert developers to instantiate an EWAHIterator.

Parameters:

bitmap - we want to iterate over

Returns:

an iterator

buffer

public com.googlecode.javaewah.Buffer buffer()

Access to the buffer

Returns:

the buffer

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 RunningLengthWord next()

Next running length word.

Returns:

the running length word

clone

public EWAHIterator clone()
                   throws CloneNotSupportedException

Overrides:

clone in class Object

Throws:

CloneNotSupportedException