org.elasticsearch.hadoop.mr

Class EsInputFormat.WritableShardRecordReader

java.lang.Object

org.apache.hadoop.mapreduce.RecordReader<K,V>

org.elasticsearch.hadoop.mr.EsInputFormat.ShardRecordReader<Text,V>

org.elasticsearch.hadoop.mr.EsInputFormat.AbstractWritableShardRecordReader<Map<Writable,Writable>>

org.elasticsearch.hadoop.mr.EsInputFormat.WritableShardRecordReader

All Implemented Interfaces:

Closeable, AutoCloseable, RecordReader<Text,Map<Writable,Writable>>

Enclosing class:

EsInputFormat<K,V>

protected static class EsInputFormat.WritableShardRecordReader
extends EsInputFormat.AbstractWritableShardRecordReader<Map<Writable,Writable>>

Constructor Summary

Constructors

Constructor and Description
EsInputFormat.WritableShardRecordReader()
EsInputFormat.WritableShardRecordReader(InputSplit split, Configuration job, Reporter reporter)

Method Summary

Methods

Modifier and Type	Method and Description
Map<Writable,Writable>	createValue()
protected Map<Writable,Writable>	setCurrentValue(Map<Writable,Writable> hadoopValue, Object object) Sets the current value.

Methods inherited from class org.elasticsearch.hadoop.mr.EsInputFormat.AbstractWritableShardRecordReader

createKey, setCurrentKey

Methods inherited from class org.elasticsearch.hadoop.mr.EsInputFormat.ShardRecordReader

close, getCurrentKey, getCurrentValue, getPos, getProgress, initialize, next, nextKeyValue

Methods inherited from class java.lang.Object

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

Constructor Detail

EsInputFormat.WritableShardRecordReader

public EsInputFormat.WritableShardRecordReader()

EsInputFormat.WritableShardRecordReader

public EsInputFormat.WritableShardRecordReader(InputSplit split,
                                       Configuration job,
                                       Reporter reporter)

Method Detail

createValue

public Map<Writable,Writable> createValue()

Specified by:

createValue in interface RecordReader<Text,Map<Writable,Writable>>

Specified by:

createValue in class EsInputFormat.ShardRecordReader<Text,Map<Writable,Writable>>

setCurrentValue

protected Map<Writable,Writable> setCurrentValue(Map<Writable,Writable> hadoopValue,
                                     Object object)

Description copied from class: EsInputFormat.ShardRecordReader

Sets the current value.

Specified by:

setCurrentValue in class EsInputFormat.ShardRecordReader<Text,Map<Writable,Writable>>

Parameters:

hadoopValue - hadoop value

object - the actual value to read

Returns:

returns the value to be used; needed in scenario where the passed value is immutable (like Pig)