com.carrotsearch.sizeof

Class BlackMagic

java.lang.Object

com.carrotsearch.sizeof.BlackMagic

public final class BlackMagic
extends Object

This class contains black magic stuff based mostly on proprietary APIs and hacks. Use at your own risk.

Constructor Summary

Constructors

Constructor and Description
BlackMagic()

Method Summary

Methods

Modifier and Type	Method and Description
static String	fieldsLayoutAsString(Class<?> clazz) Attempts to dump a layout of a class's fields in memory (offsets from base object pointer).
static sun.misc.Unsafe	getUnsafe() Returns Unsafe if available or throw a RuntimeException.
static String	objectMemoryAsString(Object o) Attempts to dump physical object's memory as a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

BlackMagic

public BlackMagic()

Method Detail

getUnsafe

public static sun.misc.Unsafe getUnsafe()

Returns Unsafe if available or throw a RuntimeException.

objectMemoryAsString

public static String objectMemoryAsString(Object o)

Attempts to dump physical object's memory as a string.

fieldsLayoutAsString

public static String fieldsLayoutAsString(Class<?> clazz)

Attempts to dump a layout of a class's fields in memory (offsets from base object pointer).