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. 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.

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