org.apache.hadoop.hive.ql.exec.tez

Interface KeyValuesAdapter

All Known Implementing Classes:

KeyValuesFromKeyValue, KeyValuesFromKeyValues

public interface KeyValuesAdapter

Key-values interface for the Reader used by ReduceRecordSource

Method Summary

Modifier and Type	Method and Description
Object	getCurrentKey() Get the key for current record
Iterable<Object>	getCurrentValues() Get the values for the current record
boolean	next() Move to the next record

Method Detail

getCurrentKey

Object getCurrentKey()
              throws IOException

Get the key for current record

Returns:

Throws:

IOException

getCurrentValues

Iterable<Object> getCurrentValues()
                           throws IOException

Get the values for the current record

Returns:

Throws:

IOException

next

boolean next()
      throws IOException

Move to the next record

Returns:

true if successful, false if there are no more records to process

Throws:

IOException