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

Class ArrayFromTuple

java.lang.Object
org.apache.flink.streaming.api.functions.windowing.delta.extractor.ArrayFromTuple
All Implemented Interfaces:
Serializable, Extractor<org.apache.flink.api.java.tuple.Tuple,Object[]>
@Internal public class ArrayFromTuple extends Object implements Extractor<org.apache.flink.api.java.tuple.Tuple,Object[]>
Converts a Tuple to an Object-Array. The field which should be included in the array can selected and reordered as needed.
See Also:

  • Constructor Summary

    Constructors
    Constructor
    Description
    ArrayFromTuple()
    Using this constructor the extractor will convert the whole tuple (all fields in the original order) to an array.
    ArrayFromTuple(int... indexes)
    Using this constructor the extractor will combine the fields as specified in the indexes parameter in an object array.

  • Method Summary

    Modifier and Type
    Method
    Description
    Object[]
    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

    • ArrayFromTuple

      public ArrayFromTuple()
      Using this constructor the extractor will convert the whole tuple (all fields in the original order) to an array.

    • ArrayFromTuple

      public ArrayFromTuple(int... indexes)
      Using this constructor the extractor will combine the fields as specified in the indexes parameter in an object array.
      Parameters:
      indexes - the field ids (enumerated from 0)

  • Method Details

    • extract

      public Object[] 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,Object[]>
      Parameters:
      in - the input data
      Returns:
      the extracted/converted data