org.apache.tez.runtime.library.input
Class ConcatenatedMergedKeyValueInput.ConcatenatedMergedKeyValueReader

java.lang.Object
  org.apache.tez.runtime.library.input.ConcatenatedMergedKeyValueInput.ConcatenatedMergedKeyValueReader

All Implemented Interfaces:

org.apache.tez.runtime.api.Reader, KeyValueReader

Enclosing class:

ConcatenatedMergedKeyValueInput

public class ConcatenatedMergedKeyValueInput.ConcatenatedMergedKeyValueReader
extends Object
implements KeyValueReader

Constructor Summary

ConcatenatedMergedKeyValueInput.ConcatenatedMergedKeyValueReader()

Method Summary

Object	getCurrentKey() Returns the current key
Object	getCurrentValue() Returns the current value
boolean	next() Moves to the next key/values(s) pair

Methods inherited from class java.lang.Object

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

Constructor Detail

ConcatenatedMergedKeyValueInput.ConcatenatedMergedKeyValueReader

public ConcatenatedMergedKeyValueInput.ConcatenatedMergedKeyValueReader()

Method Detail

next

public boolean next()
             throws IOException

Description copied from interface: KeyValueReader

Moves to the next key/values(s) pair

Specified by:

next in interface KeyValueReader

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 interface: KeyValueReader

Returns the current key

Specified by:

getCurrentKey in interface KeyValueReader

Returns:

the current key

Throws:

IOException

getCurrentValue

public Object getCurrentValue()
                       throws IOException

Description copied from interface: KeyValueReader

Returns the current value

Specified by:

getCurrentValue in interface KeyValueReader

Returns:

the current value

Throws:

IOException