org.openjdk.jol.info
Class FieldData

java.lang.Object
  org.openjdk.jol.info.FieldData

public class FieldData
extends Object

Holds the field information, without the layout.

Author:

Aleksey Shipilev

Method Summary

static FieldData	create(String hostKlass, String fieldName, String fieldType) Creates the synthetic field data.
String	hostClass() Answers the class for the field holder.
String	name() Answers the field name.
static FieldData	parse(Field field) Parses the field data from the existing field.
String	safeValue(Object object) Gets the string representation of field value, if appropriate.
String	typeClass() Answers the class for the field type
int	vmOffset() The VM offset for the field, as discovered.

Methods inherited from class java.lang.Object

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

Method Detail

create

public static FieldData create(String hostKlass,
                               String fieldName,
                               String fieldType)

Creates the synthetic field data.

Parameters:

hostKlass - class name where the field is declared

fieldName - field name

fieldType - string representation of field type

Returns:

field data

parse

public static FieldData parse(Field field)

Parses the field data from the existing field.

Parameters:

field - field to parse

Returns:

field data

typeClass

public String typeClass()

Answers the class for the field type

Returns:

string representation of field type

hostClass

public String hostClass()

Answers the class for the field holder.

Returns:

string representation of holder class

name

public String name()

Answers the field name.

Returns:

field name

safeValue

public String safeValue(Object object)

Gets the string representation of field value, if appropriate.

Parameters:

object - the object to read the contents from

Returns:

field value in given object

vmOffset

public int vmOffset()

The VM offset for the field, as discovered. Some layouters need to know this.

Returns:

vm offset