public class TFileRecordReader extends org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,Tuple>
InterRecordWriter It
uses the default InterSedes object for deserialization.| Constructor and Description |
|---|
TFileRecordReader() |
| Modifier and Type | Method and Description |
|---|---|
void |
close() |
org.apache.hadoop.io.Text |
getCurrentKey() |
Tuple |
getCurrentValue() |
float |
getProgress()
Get the progress within the split
|
void |
initialize(org.apache.hadoop.mapreduce.InputSplit genericSplit,
org.apache.hadoop.mapreduce.TaskAttemptContext context) |
boolean |
nextKeyValue() |
public void initialize(org.apache.hadoop.mapreduce.InputSplit genericSplit,
org.apache.hadoop.mapreduce.TaskAttemptContext context)
throws IOException
initialize in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,Tuple>IOExceptionpublic boolean nextKeyValue()
throws IOException
nextKeyValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,Tuple>IOExceptionpublic org.apache.hadoop.io.Text getCurrentKey()
getCurrentKey in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,Tuple>public Tuple getCurrentValue()
getCurrentValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,Tuple>public float getProgress()
throws IOException
getProgress in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,Tuple>IOExceptionpublic void close()
throws IOException
close in interface Closeableclose in interface AutoCloseableclose in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,Tuple>IOExceptionCopyright © 2007-2017 The Apache Software Foundation