gw.util.perf.objectsize

Class ObjectSizeUtil

java.lang.Object

gw.util.perf.objectsize.ObjectSizeUtil

public class ObjectSizeUtil
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	VERBOSE

Constructor Summary

Constructors

Constructor and Description
ObjectSizeUtil()

Method Summary

Modifier and Type	Method and Description
static ObjectSize	deepSizeOf(Object obj)
static ObjectSize	deepSizeOf(Object obj, IObjectSizeFilter filter, int maxObjects) Calculates full size of object iterating over its hierarchy graph.
static int	getFieldSize(Class clazz)
static int	getPointerSize()
static void	main(String[] args)

Methods inherited from class java.lang.Object

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

Field Detail

VERBOSE

public static boolean VERBOSE

Constructor Detail

ObjectSizeUtil

public ObjectSizeUtil()

Method Detail

getFieldSize

public static int getFieldSize(Class clazz)

getPointerSize

public static int getPointerSize()

deepSizeOf

public static ObjectSize deepSizeOf(Object obj,
                                    IObjectSizeFilter filter,
                                    int maxObjects)

Calculates full size of object iterating over its hierarchy graph.

Parameters:

obj - object to calculate size of

filter - the filter used to ignore fields or objects

maxObjects - the max numbers of objects to traverse

Returns:

object size

Throws:

Exception

deepSizeOf

public static ObjectSize deepSizeOf(Object obj)

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception