eu.stratosphere.arraymodel.example

Class WordCountArrayTuples.TokenizeLine

java.lang.Object

eu.stratosphere.api.common.functions.AbstractFunction

eu.stratosphere.arraymodel.functions.AbstractArrayModelFunction

eu.stratosphere.arraymodel.functions.MapFunction

eu.stratosphere.arraymodel.example.WordCountArrayTuples.TokenizeLine

All Implemented Interfaces:

Function, GenericMapper<Value[],Value[]>

Enclosing class:

WordCountArrayTuples

public static class WordCountArrayTuples.TokenizeLine
extends MapFunction

Converts a Record containing one string in to multiple string/integer pairs. The string is tokenized by whitespaces. For each token a new record is emitted, where the token is the first field and an Integer(1) is the second field.

Constructor Summary

Constructors

Constructor and Description
WordCountArrayTuples.TokenizeLine()

Method Summary

Methods

Modifier and Type	Method and Description
void	map(Value[] record, Collector<Value[]> collector) This method must be implemented to provide a user implementation of a mapper.

Methods inherited from class eu.stratosphere.arraymodel.functions.MapFunction

getUDFMethod

Methods inherited from class eu.stratosphere.arraymodel.functions.AbstractArrayModelFunction

getDataTypes

Methods inherited from class eu.stratosphere.api.common.functions.AbstractFunction

close, getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface eu.stratosphere.api.common.functions.Function

close, getRuntimeContext, open, setRuntimeContext

Constructor Detail

WordCountArrayTuples.TokenizeLine

public WordCountArrayTuples.TokenizeLine()

Method Detail

map

public void map(Value[] record,
       Collector<Value[]> collector)

Description copied from class: MapFunction

This method must be implemented to provide a user implementation of a mapper. It is called for each individual record.

Specified by:

map in interface GenericMapper<Value[],Value[]>

Specified by:

map in class MapFunction

Parameters:

record - The record to be mapped.

collector - A collector that collects all output records.