com.google.appengine.tools.mapreduce.inputs

Class InMemoryInput<I>

java.lang.Object

com.google.appengine.tools.mapreduce.Input<I>

com.google.appengine.tools.mapreduce.inputs.InMemoryInput<I>

Type Parameters:

I - type of values returned by this input

All Implemented Interfaces:

Serializable

public final class InMemoryInput<I>
extends Input<I>

An input that returns values already in memory.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
InMemoryInput(List<List<I>> input)

Method Summary

Methods

Modifier and Type	Method and Description
List<? extends InputReader<I>>	createReaders() Returns a list of readers for this input.

Methods inherited from class com.google.appengine.tools.mapreduce.Input

getContext

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryInput

public InMemoryInput(List<List<I>> input)

Method Detail

createReaders

public List<? extends InputReader<I>> createReaders()

Description copied from class: Input

Returns a list of readers for this input. It is the Input's responsibility to determine an appropriate number of readers to split into. This could be specified by the user or determined algorithmically. The number of input readers returned determines the number of map shards.

Specified by:

createReaders in class Input<I>