@InterfaceAudience.Public @InterfaceStability.Evolving
See: Description
| Class | Description | 
|---|---|
| ConcatenatedMergedKeyValueInput | 
 Implements a  
MergedLogicalInput that merges the incoming inputs
 (e.g. | 
| ConcatenatedMergedKeyValuesInput | 
 Implements a  
MergedLogicalInput that merges the incoming inputs
 (e.g. | 
| OrderedGroupedKVInput | 
OrderedGroupedKVInput in a AbstractLogicalInput which shuffles
 intermediate sorted data, merges them and provides key/ | 
| OrderedGroupedMergedKVInput | 
 A  
MergedLogicalInput which merges multiple
 OrderedGroupedKVInputs and returns a single view of these by merging
 values which belong to the same key. | 
| UnorderedKVInput | 
UnorderedKVInput provides unordered key value input by
 bringing together (shuffling) a set of distributed data and providing a 
 unified view to that data. | 
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