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 |
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TFileRecordReader() |
Modifier and Type | Method and Description |
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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>
IOException
public boolean nextKeyValue() throws IOException
nextKeyValue
in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,Tuple>
IOException
public 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>
IOException
public void close() throws IOException
close
in interface Closeable
close
in interface AutoCloseable
close
in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,Tuple>
IOException
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