@DefaultAnnotation(value=edu.umd.cs.findbugs.annotations.NonNull.class)
CoGroupByKey transform for joining
 multiple PCollections.See: Description
| Class | Description | 
|---|---|
| CoGbkResult | 
 A row result of a  
CoGroupByKey. | 
| CoGbkResult.CoGbkResultCoder | 
 A  
Coder for CoGbkResults. | 
| CoGbkResultSchema | 
 A schema for the results of a  
CoGroupByKey. | 
| CoGroupByKey<K> | 
 A  
PTransform that performs a CoGroupByKey on a tuple of tables. | 
| KeyedPCollectionTuple<K> | 
 An immutable tuple of keyed  
PCollections with key type K. | 
| KeyedPCollectionTuple.TaggedKeyedPCollection<K,V> | 
 A utility class to help ensure coherence of tag and input PCollection types. 
 | 
| RawUnionValue | 
 This corresponds to an integer union tag and value. 
 | 
| UnionCoder | 
 A UnionCoder encodes RawUnionValues. 
 | 
CoGroupByKey transform for joining
 multiple PCollections.