org.openjdk.jol.datamodel

Class Model64

java.lang.Object

org.openjdk.jol.datamodel.Model64

All Implemented Interfaces:

DataModel

public class Model64
extends Object
implements DataModel

64 bits model, no compressed references, no compressed class pointers.

Author:

Aleksey Shipilev

Constructor Summary

Constructors

Constructor and Description
Model64()
Model64(int align)

Method Summary

Modifier and Type	Method and Description
int	arrayHeaderSize() Return the array header size.
int	arrayLengthHeaderSize() Return the array length header size.
int	classHeaderSize() Return the class header size.
boolean	equals(Object o)
int	hashCode()
int	headerSize() Return the object header size.
int	markHeaderSize() Return the mark header size.
int	objectAlignment() Return the object alignment.
int	sizeOf(String klass) Return the size of the type.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Model64

public Model64()

Model64

public Model64(int align)

Method Detail

markHeaderSize

public int markHeaderSize()

Description copied from interface: DataModel

Return the mark header size.

Specified by:

markHeaderSize in interface DataModel

Returns:

mark header size in bytes.

classHeaderSize

public int classHeaderSize()

Description copied from interface: DataModel

Return the class header size.

Specified by:

classHeaderSize in interface DataModel

Returns:

class header size in bytes.

arrayLengthHeaderSize

public int arrayLengthHeaderSize()

Description copied from interface: DataModel

Return the array length header size.

Specified by:

arrayLengthHeaderSize in interface DataModel

Returns:

array length header size in bytes.

headerSize

public int headerSize()

Description copied from interface: DataModel

Return the object header size.

Specified by:

headerSize in interface DataModel

Returns:

object header size in bytes.

arrayHeaderSize

public int arrayHeaderSize()

Description copied from interface: DataModel

Return the array header size.

Specified by:

arrayHeaderSize in interface DataModel

Returns:

object header size in bytes.

sizeOf

public int sizeOf(String klass)

Description copied from interface: DataModel

Return the size of the type.

Specified by:

sizeOf in interface DataModel

Parameters:

klass - string representation of the type.

Returns:

size in bytes.

objectAlignment

public int objectAlignment()

Description copied from interface: DataModel

Return the object alignment.

Specified by:

objectAlignment in interface DataModel

Returns:

minimal object alignment

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object