Package org.apache.beam.sdk.fn.stream

Class PrefetchableIterables.Default<T>

java.lang.Object

org.apache.beam.sdk.fn.stream.PrefetchableIterables.Default<T>

All Implemented Interfaces:

Iterable<T>, PrefetchableIterable<T>

Enclosing class:

PrefetchableIterables

public abstract static class PrefetchableIterables.Default<T>
extends Object
implements PrefetchableIterable<T>

A default implementation that caches an iterator to be returned when prefetch() is invoked.

Constructor Summary

Constructors

Constructor	Description
Default()

Method Summary

Modifier and Type	Method	Description
protected abstract PrefetchableIterator<T>	createIterator()
final PrefetchableIterator<T>	iterator()
final void	prefetch()	Ensures that the next iterator returned has been prefetched.

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 Details

Default

public Default()

Method Details

prefetch

public final void prefetch()

Description copied from interface: PrefetchableIterable

Ensures that the next iterator returned has been prefetched.

Specified by:

prefetch in interface PrefetchableIterable<T>

iterator

public final PrefetchableIterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

Specified by:

iterator in interface PrefetchableIterable<T>

createIterator

protected abstract PrefetchableIterator<T> createIterator()