Package org.apache.druid.indexer.hadoop

Class DatasourceRecordReader

java.lang.Object

org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.druid.data.input.InputRow>

org.apache.druid.indexer.hadoop.DatasourceRecordReader

All Implemented Interfaces:

Closeable, AutoCloseable

public class DatasourceRecordReader
extends org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.druid.data.input.InputRow>

Constructor Summary

Constructors

Constructor	Description
DatasourceRecordReader()

Method Summary

Modifier and Type	Method	Description
void	close()
org.apache.hadoop.io.NullWritable	getCurrentKey()
org.apache.druid.data.input.InputRow	getCurrentValue()
float	getProgress()
void	initialize(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)
boolean	nextKeyValue()

Methods inherited from class java.lang.Object

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

Constructor Detail

DatasourceRecordReader

public DatasourceRecordReader()

Method Detail

initialize

public void initialize(org.apache.hadoop.mapreduce.InputSplit split,
                       org.apache.hadoop.mapreduce.TaskAttemptContext context)
                throws IOException

Specified by:

initialize in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.druid.data.input.InputRow>

Throws:

IOException

nextKeyValue

public boolean nextKeyValue()

Specified by:

nextKeyValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.druid.data.input.InputRow>

getCurrentKey

public org.apache.hadoop.io.NullWritable getCurrentKey()

Specified by:

getCurrentKey in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.druid.data.input.InputRow>

getCurrentValue

public org.apache.druid.data.input.InputRow getCurrentValue()

Specified by:

getCurrentValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.druid.data.input.InputRow>

getProgress

public float getProgress()

Specified by:

getProgress in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.druid.data.input.InputRow>

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.druid.data.input.InputRow>

Throws:

IOException