Package jnr.ffi

Class StructLayout.Enum8<E extends Enum<E>>

java.lang.Object

jnr.ffi.StructLayout.Field

jnr.ffi.StructLayout.NumberField

jnr.ffi.StructLayout.EnumField<E>

jnr.ffi.StructLayout.Enum8<E>

Type Parameters:

E - the Enum to translate to/from.

Enclosing class:

StructLayout

public class StructLayout.Enum8<E extends Enum<E>>
extends StructLayout.EnumField<E>

An 8 bit enum field.

Field Summary

Fields inherited from class jnr.ffi.StructLayout.EnumField

enumClass, enumMapper

Fields inherited from class jnr.ffi.StructLayout.NumberField

type

Constructor Summary

Constructors

Constructor	Description
Enum8(Class<E> enumClass)	Creates a new 8 bit enum field.
Enum8(Class<E> enumClass, StructLayout.Offset offset)	Creates a new 8 bit enum field.

Method Summary

Modifier and Type	Method	Description
final int	intValue(Pointer ptr)	Returns an integer representation of this enum field.
final void	set(Pointer ptr, E value)	Sets the native integer value using a java Enum value.
void	set(Pointer ptr, Number value)	Sets the field to a new value.

Methods inherited from class jnr.ffi.StructLayout.EnumField

get, toString

Methods inherited from class jnr.ffi.StructLayout.NumberField

byteValue, doubleValue, floatValue, longValue, shortValue

Methods inherited from class jnr.ffi.StructLayout.Field

enclosing, offset

Methods inherited from class java.lang.Object

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

Constructor Details

Enum8

public Enum8(Class<E> enumClass)

Creates a new 8 bit enum field.

Parameters:

enumClass - the class of the Enum.

Enum8

public Enum8(Class<E> enumClass,
 StructLayout.Offset offset)

Creates a new 8 bit enum field.

Parameters:

enumClass - the class of the Enum.

offset - the offset of the enum field.

Method Details

set

public final void set(Pointer ptr,
 E value)

Sets the native integer value using a java Enum value.

Parameters:

ptr - The pointer to the field.

value - the java Enum value.

set

public void set(Pointer ptr,
 Number value)

Description copied from class: StructLayout.NumberField

Sets the field to a new value.

Specified by:

set in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

value - The new value.

intValue

public final int intValue(Pointer ptr)

Returns an integer representation of this enum field.

Specified by:

intValue in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

Returns:

an integer value for this enum field.