Package com.tangosol.net.topic

Interface NamedTopic.ElementCalculator

All Known Implementing Classes:
BinaryElementCalculator, FixedElementCalculator
Enclosing interface:
NamedTopic<V>
public static interface NamedTopic.ElementCalculator
A unit calculator is an object that can calculate the cost of storing an element in a topic.

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    calculateUnits(Binary binElement)
    Calculate cost for the specified element.
    default String
    getName()
    Obtain the name of the unit calculator.

  • Method Details

    • calculateUnits

      int calculateUnits(Binary binElement)
      Calculate cost for the specified element.
      Parameters:
      binElement - the element value (in serialized Binary form) to evaluate for unit cost
      Returns:
      an integer value 0 or greater, with a larger value signifying a higher cost
      Throws:
      IllegalArgumentException - if the specified object type cannot be processed by this calculator

    • getName

      default String getName()
      Obtain the name of the unit calculator. This is intended to be human-readable for use in a monitoring tool; examples include "SimpleMemoryCalculator" and "BinaryMemoryCalculator".
      Returns:
      the name of the unit calculator