org.apache.taverna.platform.execution.impl.hadoop

Class CrossProductRecordReader

java.lang.Object

org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,TextArrayWritable>

org.apache.taverna.platform.execution.impl.hadoop.CrossProductRecordReader

All Implemented Interfaces:

Closeable, AutoCloseable

public class CrossProductRecordReader
extends org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,TextArrayWritable>

Constructor Summary

Constructors

Constructor and Description
CrossProductRecordReader()

Method Summary

Modifier and Type	Method and Description
void	close()
org.apache.hadoop.io.Text	getCurrentKey()
TextArrayWritable	getCurrentValue()
float	getProgress()
void	initialize(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)
boolean	nextKeyValue()

Methods inherited from class java.lang.Object

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

Constructor Detail

CrossProductRecordReader

public CrossProductRecordReader()

Method Detail

initialize

public void initialize(org.apache.hadoop.mapreduce.InputSplit split,
                       org.apache.hadoop.mapreduce.TaskAttemptContext context)
                throws IOException,
                       InterruptedException

Specified by:

initialize in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,TextArrayWritable>

Throws:

IOException

InterruptedException

nextKeyValue

public boolean nextKeyValue()

Specified by:

nextKeyValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,TextArrayWritable>

getCurrentKey

public org.apache.hadoop.io.Text getCurrentKey()
                                        throws IOException,
                                               InterruptedException

Specified by:

getCurrentKey in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,TextArrayWritable>

Throws:

IOException

InterruptedException

getCurrentValue

public TextArrayWritable getCurrentValue()

Specified by:

getCurrentValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,TextArrayWritable>

getProgress

public float getProgress()
                  throws IOException,
                         InterruptedException

Specified by:

getProgress in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,TextArrayWritable>

Throws:

IOException

InterruptedException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,TextArrayWritable>

Throws:

IOException