org.apache.tez.runtime.library.input

Class ConcatenatedMergedKeyValuesInput.ConcatenatedMergedKeyValuesReader

java.lang.Object

org.apache.tez.runtime.api.Reader

org.apache.tez.runtime.library.api.KeyValuesReader

org.apache.tez.runtime.library.input.ConcatenatedMergedKeyValuesInput.ConcatenatedMergedKeyValuesReader

Enclosing class:

ConcatenatedMergedKeyValuesInput

public class ConcatenatedMergedKeyValuesInput.ConcatenatedMergedKeyValuesReader
extends KeyValuesReader

Field Summary

Fields inherited from class org.apache.tez.runtime.library.api.KeyValuesReader

completedProcessing

Constructor Summary

Constructors

Constructor and Description
ConcatenatedMergedKeyValuesReader()

Method Summary

Modifier and Type	Method and Description
Object	getCurrentKey() Returns the current key
Iterable<Object>	getCurrentValues() Returns an Iterable view of the values associated with the current key
float	getProgress()
boolean	next() Moves to the next key/values(s) pair

Methods inherited from class org.apache.tez.runtime.library.api.KeyValuesReader

hasCompletedProcessing

Methods inherited from class java.lang.Object

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

Constructor Detail

ConcatenatedMergedKeyValuesReader

public ConcatenatedMergedKeyValuesReader()

Method Detail

next

public boolean next()
             throws IOException

Description copied from class: KeyValuesReader

Moves to the next key/values(s) pair

Specified by:

next in class KeyValuesReader

Returns:

true if another key/value(s) pair exists, false if there are no more.

Throws:

IOException - if an error occurs

getCurrentKey

public Object getCurrentKey()
                     throws IOException

Description copied from class: KeyValuesReader

Returns the current key

Specified by:

getCurrentKey in class KeyValuesReader

Returns:

the current key

Throws:

IOException

getCurrentValues

public Iterable<Object> getCurrentValues()
                                  throws IOException

Description copied from class: KeyValuesReader

Returns an Iterable view of the values associated with the current key

Specified by:

getCurrentValues in class KeyValuesReader

Returns:

an Iterable view of the values associated with the current key

Throws:

IOException

getProgress

public float getProgress()
                  throws IOException,
                         InterruptedException

Throws:

IOException

InterruptedException