org.apache.mahout.common.iterator

Class SamplingIterable<T>

java.lang.Object

org.apache.mahout.common.iterator.SamplingIterable<T>

All Implemented Interfaces:

Iterable<T>

public final class SamplingIterable<T>
extends Object
implements Iterable<T>

Wraps an Iterable whose Iterable.iterator() returns only some subset of the elements that it would, as determined by a iterator rate parameter.

Constructor Summary

Constructors

Constructor and Description
SamplingIterable(Iterable<? extends T> delegate, double samplingRate)

Method Summary

Modifier and Type	Method and Description
Iterator<T>	iterator()
static <T> Iterable<T>	maybeWrapIterable(Iterable<T> delegate, double samplingRate)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

SamplingIterable

public SamplingIterable(Iterable<? extends T> delegate,
                        double samplingRate)

Method Detail

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

maybeWrapIterable

public static <T> Iterable<T> maybeWrapIterable(Iterable<T> delegate,
                                                double samplingRate)