NamedTopic.ElementCalculator (Oracle® Coherence Java API Reference)

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

All Methods Instance Methods Abstract Methods Default Methods
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 Detail
  - 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