Package org.apache.beam.sdk.io.gcp.spanner.changestreams.estimator

Class NullThroughputEstimator<T>

  • All Implemented Interfaces:
    java.io.Serializable, ThroughputEstimator<T>
    public class NullThroughputEstimator<T>
extends java.lang.Object
implements ThroughputEstimator<T>
    NoOp implementation of a throughput estimator. This will always return 0 as the throughput and it will warn users that this is being used (it should not be used in production).
    See Also:
    Serialized Form

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      double getFrom​(com.google.cloud.Timestamp time)
      Always returns 0.
      void update​(com.google.cloud.Timestamp timeOfRecords, T element)
      NoOp.

      • Methods inherited from class java.lang.Object

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

      • Methods inherited from interface org.apache.beam.sdk.io.gcp.spanner.changestreams.estimator.ThroughputEstimator

        get

    • Constructor Detail

      • NullThroughputEstimator

        public NullThroughputEstimator()

    • Method Detail

      • update

        public void update​(com.google.cloud.Timestamp timeOfRecords,
                   T element)
        NoOp.
        Specified by:
        update in interface ThroughputEstimator<T>
        Parameters:
        timeOfRecords - ignored
        element - ignored

      • getFrom

        public double getFrom​(com.google.cloud.Timestamp time)
        Always returns 0.
        Specified by:
        getFrom in interface ThroughputEstimator<T>
        Parameters:
        time - ignored
        Returns:
        0