org.apache.trevni.avro.mapreduce

Class AvroTrevniKeyRecordReader<T>

java.lang.Object

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

org.apache.trevni.avro.mapreduce.AvroTrevniRecordReaderBase<AvroKey<T>,org.apache.hadoop.io.NullWritable,T>

org.apache.trevni.avro.mapreduce.AvroTrevniKeyRecordReader<T>

Type Parameters:

T - The (java) type of data in Trevni container file.

All Implemented Interfaces:

Closeable, AutoCloseable

public class AvroTrevniKeyRecordReader<T>
extends AvroTrevniRecordReaderBase<AvroKey<T>,org.apache.hadoop.io.NullWritable,T>

Reads records from an input split representing a chunk of an Trenvi container file.

Constructor Summary

Constructors

Constructor and Description
AvroTrevniKeyRecordReader()

Method Summary

Modifier and Type	Method and Description
AvroKey<T>	getCurrentKey()
org.apache.hadoop.io.NullWritable	getCurrentValue()
boolean	nextKeyValue()

Methods inherited from class org.apache.trevni.avro.mapreduce.AvroTrevniRecordReaderBase

close, getCurrentRecord, getProgress, initialize

Methods inherited from class java.lang.Object

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

Constructor Detail

AvroTrevniKeyRecordReader

public AvroTrevniKeyRecordReader()

Method Detail

getCurrentKey

public AvroKey<T> getCurrentKey()
                         throws IOException,
                                InterruptedException

Specified by:

getCurrentKey in class org.apache.hadoop.mapreduce.RecordReader<AvroKey<T>,org.apache.hadoop.io.NullWritable>

Throws:

IOException

InterruptedException

getCurrentValue

public org.apache.hadoop.io.NullWritable getCurrentValue()
                                                  throws IOException,
                                                         InterruptedException

Specified by:

getCurrentValue in class org.apache.hadoop.mapreduce.RecordReader<AvroKey<T>,org.apache.hadoop.io.NullWritable>

Throws:

IOException

InterruptedException

nextKeyValue

public boolean nextKeyValue()
                     throws IOException,
                            InterruptedException

Overrides:

nextKeyValue in class AvroTrevniRecordReaderBase<AvroKey<T>,org.apache.hadoop.io.NullWritable,T>

Throws:

IOException

InterruptedException