co.cask.format.avro.input

Class CombineAvroInputFormat.WrapperReader

java.lang.Object

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

org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReaderWrapper<org.apache.hadoop.io.NullWritable,co.cask.cdap.api.data.format.StructuredRecord>

co.cask.format.avro.input.CombineAvroInputFormat.WrapperReader

All Implemented Interfaces:

Closeable, AutoCloseable

Enclosing class:

CombineAvroInputFormat

public static class CombineAvroInputFormat.WrapperReader
extends org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReaderWrapper<org.apache.hadoop.io.NullWritable,co.cask.cdap.api.data.format.StructuredRecord>

A wrapper class that's responsible for delegating to a corresponding RecordReader in PathTrackingInputFormat. All it does is pick the i'th path in the CombineFileSplit to create a FileSplit and use the delegate RecordReader to read that split.

Constructor Summary

Constructors

Constructor and Description
WrapperReader(org.apache.hadoop.mapreduce.lib.input.CombineFileSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context, Integer idx)

Method Summary

Methods inherited from class org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReaderWrapper

close, getCurrentKey, getCurrentValue, getProgress, initialize, nextKeyValue

Methods inherited from class java.lang.Object

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

Constructor Detail

WrapperReader

public WrapperReader(org.apache.hadoop.mapreduce.lib.input.CombineFileSplit split,
                     org.apache.hadoop.mapreduce.TaskAttemptContext context,
                     Integer idx)
              throws IOException,
                     InterruptedException

Throws:

IOException

InterruptedException