com.google.cloud.dataflow.sdk.transforms.join (Google Cloud Dataflow SDK 1.9.1 API)

Google Cloud Dataflow SDK for Java, version 1.9.1

Warning: Dataflow SDK 1.x for Java is unsupported as of October 16, 2018. See Migrating from Dataflow SDK 1.x for Java for migration guidance.

Note: If you are using Cloud Dataflow SDK version 2.x, see the Apache Beam API reference documentation.

Package com.google.cloud.dataflow.sdk.transforms.join

Defines the CoGroupByKey transform for joining multiple PCollections.

See: Description

• Class Summary 

  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.

Package com.google.cloud.dataflow.sdk.transforms.join Description

Defines the CoGroupByKey transform for joining multiple PCollections.