org.elasticsearch.hadoop.mr

Class EsInputFormat.AbstractWritableShardRecordReader<V>

java.lang.Object

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

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

org.elasticsearch.hadoop.mr.EsInputFormat.AbstractWritableShardRecordReader<V>

All Implemented Interfaces:

Closeable, AutoCloseable, RecordReader<Text,V>

Direct Known Subclasses:

EsInputFormat.JsonWritableShardRecordReader, EsInputFormat.WritableShardRecordReader

Enclosing class:

EsInputFormat<K,V>

protected abstract static class EsInputFormat.AbstractWritableShardRecordReader<V>
extends EsInputFormat.ShardRecordReader<Text,V>

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
Text	createKey()
protected Text	setCurrentKey(Text hadoopKey, Object object) Sets the current key.

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

EsInputFormat.AbstractWritableShardRecordReader

public EsInputFormat.AbstractWritableShardRecordReader()

EsInputFormat.AbstractWritableShardRecordReader

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

Method Detail

createKey

public Text createKey()

Specified by:

createKey in interface RecordReader<Text,V>

Specified by:

createKey in class EsInputFormat.ShardRecordReader<Text,V>

setCurrentKey

protected Text setCurrentKey(Text hadoopKey,
                 Object object)

Description copied from class: EsInputFormat.ShardRecordReader

Sets the current key.

Specified by:

setCurrentKey in class EsInputFormat.ShardRecordReader<Text,V>

Parameters:

hadoopKey - hadoop key

object - the actual value to read

Returns:

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