com.twitter.maple.tap

Class TupleMemoryInputFormat.TupleRecordReader

java.lang.Object

com.twitter.maple.tap.TupleMemoryInputFormat.TupleRecordReader

All Implemented Interfaces:

org.apache.hadoop.mapred.RecordReader<TupleWrapper,org.apache.hadoop.io.NullWritable>

Enclosing class:

TupleMemoryInputFormat

public static class TupleMemoryInputFormat.TupleRecordReader
extends java.lang.Object
implements org.apache.hadoop.mapred.RecordReader<TupleWrapper,org.apache.hadoop.io.NullWritable>

Constructor Summary

Constructors

Constructor and Description
TupleRecordReader(java.util.List<cascading.tuple.Tuple> tuples)

Method Summary

Modifier and Type	Method and Description
void	close()
TupleWrapper	createKey()
org.apache.hadoop.io.NullWritable	createValue()
long	getPos()
float	getProgress()
boolean	next(TupleWrapper k, org.apache.hadoop.io.NullWritable v)

Methods inherited from class java.lang.Object

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

Constructor Detail

TupleRecordReader

public TupleRecordReader(java.util.List<cascading.tuple.Tuple> tuples)

Method Detail

next

public boolean next(TupleWrapper k,
                    org.apache.hadoop.io.NullWritable v)
             throws java.io.IOException

Specified by:

next in interface org.apache.hadoop.mapred.RecordReader<TupleWrapper,org.apache.hadoop.io.NullWritable>

Throws:

java.io.IOException

createKey

public TupleWrapper createKey()

Specified by:

createKey in interface org.apache.hadoop.mapred.RecordReader<TupleWrapper,org.apache.hadoop.io.NullWritable>

createValue

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

Specified by:

createValue in interface org.apache.hadoop.mapred.RecordReader<TupleWrapper,org.apache.hadoop.io.NullWritable>

getPos

public long getPos()
            throws java.io.IOException

Specified by:

getPos in interface org.apache.hadoop.mapred.RecordReader<TupleWrapper,org.apache.hadoop.io.NullWritable>

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface org.apache.hadoop.mapred.RecordReader<TupleWrapper,org.apache.hadoop.io.NullWritable>

Throws:

java.io.IOException

getProgress

public float getProgress()
                  throws java.io.IOException

Specified by:

getProgress in interface org.apache.hadoop.mapred.RecordReader<TupleWrapper,org.apache.hadoop.io.NullWritable>

Throws:

java.io.IOException