com.yahoo.sketches.hll

Class CompositeBucketIterator

java.lang.Object

com.yahoo.sketches.hll.CompositeBucketIterator

All Implemented Interfaces:

BucketIterator

public final class CompositeBucketIterator
extends Object
implements BucketIterator

Author:

Kevin Lang

Constructor Summary

Constructors

Constructor and Description
CompositeBucketIterator(BucketIterator... iters) Constructs with given list (or array) of iterators

Method Summary

Modifier and Type	Method and Description
int	getKey() Gets the index of the current bucket
byte	getValue() Gets the value of the current bucket
boolean	next() Should be called before each step of iteration (as well as immediately after initialization)

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeBucketIterator

public CompositeBucketIterator(BucketIterator... iters)

Constructs with given list (or array) of iterators

Parameters:

iters - the given list (or array) of iterators

Method Detail

next

public boolean next()

Description copied from interface: BucketIterator

Should be called before each step of iteration (as well as immediately after initialization)

Specified by:

next in interface BucketIterator

Returns:

true if there is a a bucket to return, false if iteration is complete

getKey

public int getKey()

Description copied from interface: BucketIterator

Gets the index of the current bucket

Specified by:

getKey in interface BucketIterator

Returns:

the index of the current bucket

getValue

public byte getValue()

Description copied from interface: BucketIterator

Gets the value of the current bucket

Specified by:

getValue in interface BucketIterator

Returns:

the value of the current bucket