com.twitter.elephantbird.mapreduce.input
Class RCFileProtobufTupleInputFormat.TupleReader

java.lang.Object
  org.apache.hadoop.mapreduce.RecordReader<K,V>
      com.twitter.elephantbird.mapreduce.input.FilterRecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Writable>
          com.twitter.elephantbird.mapreduce.input.RCFileProtobufInputFormat.ProtobufReader
              com.twitter.elephantbird.mapreduce.input.RCFileProtobufTupleInputFormat.TupleReader

All Implemented Interfaces:

Closeable

Enclosing class:

RCFileProtobufTupleInputFormat

public class RCFileProtobufTupleInputFormat.TupleReader
extends RCFileProtobufInputFormat.ProtobufReader

Field Summary

Fields inherited from class com.twitter.elephantbird.mapreduce.input.RCFileProtobufInputFormat.ProtobufReader

columnsBeingRead, knownRequiredFields, msgBuilder, msgInstance, protoWritable, readUnknownsColumn

Fields inherited from class com.twitter.elephantbird.mapreduce.input.FilterRecordReader

reader

Constructor Summary

RCFileProtobufTupleInputFormat.TupleReader(org.apache.hadoop.mapreduce.RecordReader reader)
The reader is expected to be a RecordReader< LongWritable, BytesRefArrayWritable >.

Method Summary

org.apache.pig.data.Tuple

getCurrentTupleValue() Returns a Tuple consisting of required fields with out creating a Protobuf message at the top level.

Methods inherited from class com.twitter.elephantbird.mapreduce.input.RCFileProtobufInputFormat.ProtobufReader

getCurrentBytesRefArrayWritable, getCurrentProtobufValue, getCurrentValue, initialize, isReadingUnknonwsColumn

Methods inherited from class com.twitter.elephantbird.mapreduce.input.FilterRecordReader

close, getCurrentKey, getProgress, nextKeyValue

Methods inherited from class java.lang.Object

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

Constructor Detail

RCFileProtobufTupleInputFormat.TupleReader

public RCFileProtobufTupleInputFormat.TupleReader(org.apache.hadoop.mapreduce.RecordReader reader)

The reader is expected to be a RecordReader< LongWritable, BytesRefArrayWritable >.

Method Detail

getCurrentTupleValue

public org.apache.pig.data.Tuple getCurrentTupleValue()
                                               throws IOException,
                                                      InterruptedException

Returns a Tuple consisting of required fields with out creating a Protobuf message at the top level.

Throws:

IOException

InterruptedException