CoGbkResultSchema (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. After August 12, 2020, you can use unsupported SDKs temporarily while you upgrade your pipelines. For more information, see Using an unsupported SDK.

For information on migrating from the 1.x SDK, see Migrating from Dataflow SDK 1.x for Java.

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

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

Class CoGbkResultSchema

• java.lang.Object
• • com.google.cloud.dataflow.sdk.transforms.join.CoGbkResultSchema

• All Implemented Interfaces:

  Serializable

  ---

  
  

  public class CoGbkResultSchema
  extends Object
  implements Serializable

  A schema for the results of a CoGroupByKey. This maintains the full set of TupleTags for the results of a CoGroupByKey and facilitates mapping between TupleTags and RawUnionValue tags (which are used as secondary keys in the CoGroupByKey).

  See Also:

  Serialized Form

• • Constructor Summary

    Constructors 

    Constructor and Description
    CoGbkResultSchema(TupleTagList tupleTagList) Builds a schema from a tuple of TupleTag<?>s.

  • Method Summary

    All Methods Static Methods Instance Methods Concrete Methods 

    Modifier and Type	Method and Description
    com.google.cloud.dataflow.sdk.util.CloudObject	asCloudObject()
    boolean	equals(Object obj)
    int	getIndex(TupleTag<?> tag) Returns the index for the given tuple tag, if the tag is present in this schema, -1 if it isn't.
    TupleTag<?>	getTag(int index) Returns the tuple tag at the given index.
    TupleTagList	getTupleTagList() Returns the TupleTagList tuple associated with this schema.
    int	hashCode()
    static CoGbkResultSchema	of(List<TupleTag<?>> tags)
    int	size() Returns the number of columns for this schema.
    String	toString()

    • Methods inherited from class java.lang.Object

      clone, finalize, getClass, notify, notifyAll, wait, wait, wait

• • Constructor Detail

    • CoGbkResultSchema

      public CoGbkResultSchema(TupleTagList tupleTagList)

      Builds a schema from a tuple of TupleTag<?>s.

  • Method Detail

    • of

      public static CoGbkResultSchema of(List<TupleTag<?>> tags)

    • getIndex

      public int getIndex(TupleTag<?> tag)

      Returns the index for the given tuple tag, if the tag is present in this schema, -1 if it isn't.

    • getTag

      public TupleTag<?> getTag(int index)

      Returns the tuple tag at the given index.

    • size

      public int size()

      Returns the number of columns for this schema.

    • getTupleTagList

      public TupleTagList getTupleTagList()

      Returns the TupleTagList tuple associated with this schema.

    • asCloudObject

      public com.google.cloud.dataflow.sdk.util.CloudObject asCloudObject()

    • equals

      public boolean equals(Object obj)

      Overrides:

      equals in class Object

    • hashCode

      public int hashCode()

      Overrides:

      hashCode in class Object

    • toString

      public String toString()

      Overrides:

      toString in class Object