co.cask.cdap.conversion.app

Class StreamConversionMapReduce.StreamConversionMapper

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,GenericStreamEventData<Object>,org.apache.avro.mapred.AvroKey<org.apache.avro.generic.GenericRecord>,org.apache.hadoop.io.NullWritable>

co.cask.cdap.conversion.app.StreamConversionMapReduce.StreamConversionMapper

Enclosing class:

StreamConversionMapReduce

public static class StreamConversionMapReduce.StreamConversionMapper
extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,GenericStreamEventData<Object>,org.apache.avro.mapred.AvroKey<org.apache.avro.generic.GenericRecord>,org.apache.hadoop.io.NullWritable>

Mapper that reads events from a stream and writes them out as Avro.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper

org.apache.hadoop.mapreduce.Mapper.Context

Constructor Summary

Constructors

Constructor and Description
StreamConversionMapReduce.StreamConversionMapper()

Method Summary

Methods

Modifier and Type	Method and Description
void	map(org.apache.hadoop.io.LongWritable timestamp, GenericStreamEventData<Object> streamEvent, org.apache.hadoop.mapreduce.Mapper.Context context)
protected void	setup(org.apache.hadoop.mapreduce.Mapper.Context context)

Methods inherited from class org.apache.hadoop.mapreduce.Mapper

cleanup, run

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamConversionMapReduce.StreamConversionMapper

public StreamConversionMapReduce.StreamConversionMapper()

Method Detail

setup

protected void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
              throws IOException,
                     InterruptedException

Overrides:

setup in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,GenericStreamEventData<Object>,org.apache.avro.mapred.AvroKey<org.apache.avro.generic.GenericRecord>,org.apache.hadoop.io.NullWritable>

Throws:

IOException

InterruptedException

map

public void map(org.apache.hadoop.io.LongWritable timestamp,
       GenericStreamEventData<Object> streamEvent,
       org.apache.hadoop.mapreduce.Mapper.Context context)
         throws IOException,
                InterruptedException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,GenericStreamEventData<Object>,org.apache.avro.mapred.AvroKey<org.apache.avro.generic.GenericRecord>,org.apache.hadoop.io.NullWritable>

Throws:

IOException

InterruptedException