Package org.apache.flink.streaming.api.functions.windowing.delta.extractor

Class FieldsFromTuple

java.lang.Object
org.apache.flink.streaming.api.functions.windowing.delta.extractor.FieldsFromTuple
All Implemented Interfaces:
Serializable, Extractor<org.apache.flink.api.java.tuple.Tuple,double[]>
@Internal public class FieldsFromTuple extends Object implements Extractor<org.apache.flink.api.java.tuple.Tuple,double[]>
Extracts one or more fields of the type Double from a tuple and puts them into a new double[].
See Also:

  • Constructor Summary

    Constructors
    Constructor
    Description
    FieldsFromTuple(int... indexes)
    Extracts one or more fields of the type Double from a tuple and puts them into a new double[] (in the specified order).

  • Method Summary

    Modifier and Type
    Method
    Description
    double[]
    extract(org.apache.flink.api.java.tuple.Tuple in)
    Extracts/Converts the given input to an object of the output type.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • FieldsFromTuple

      public FieldsFromTuple(int... indexes)
      Extracts one or more fields of the type Double from a tuple and puts them into a new double[] (in the specified order).
      Parameters:
      indexes - The indexes of the fields to be extracted.

  • Method Details

    • extract

      public double[] extract(org.apache.flink.api.java.tuple.Tuple in)
      Description copied from interface: Extractor
      Extracts/Converts the given input to an object of the output type.
      Specified by:
      extract in interface Extractor<org.apache.flink.api.java.tuple.Tuple,double[]>
      Parameters:
      in - the input data
      Returns:
      the extracted/converted data