com.google.appengine.tools.mapreduce.impl

Class InProcessMap<I,O,R>

java.lang.Object

com.google.appengine.tools.mapreduce.impl.InProcessMap<I,O,R>

Type Parameters:

I - type of input values

O - type of output values

R - type of result returned by the Output

public class InProcessMap<I,O,R>
extends Object

Runs a Map only in the current process. Only for very small datasets. Easier to debug than a parallel MapReduce.

Constructor Summary

Constructors

Constructor and Description
InProcessMap(String id, MapSpecification<I,O,R> mapSpec)

Method Summary

Methods

Modifier and Type	Method and Description
static <I,O,R> MapReduceResult<R>	runMap(MapSpecification<I,O,R> mrSpec)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

InProcessMap

public InProcessMap(String id,
            MapSpecification<I,O,R> mapSpec)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

runMap

public static <I,O,R> MapReduceResult<R> runMap(MapSpecification<I,O,R> mrSpec)
                                 throws IOException

Throws:

IOException