com.trivago.triava.tcache.util

Interface ObjectSizeCalculatorInterface

public interface ObjectSizeCalculatorInterface

Interface for an ObjectSizeCalculator, that does a deep calculation of the object trees size in byte. Implementations will typically use Java instrumentation for this calculation, but there are also non-instrumented solutions like Twitter ObjectSizeCalculator.

Author:

cesken

Method Summary

Modifier and Type	Method and Description
long	calculateObjectSizeDeep(Object obj) Calculates the deep memory footprint of obj in bytes, i.e. the memory taken by the object graph using obj as a starting node of that graph.

Method Detail

calculateObjectSizeDeep

long calculateObjectSizeDeep(Object obj)

Calculates the deep memory footprint of obj in bytes, i.e. the memory taken by the object graph using obj as a starting node of that graph.

Parameters:

obj - The object to measure

Returns:

The size in byte