Package jnr.ffi

Class StructLayout.SignedLong

java.lang.Object

jnr.ffi.StructLayout.Field

jnr.ffi.StructLayout.NumberField

jnr.ffi.StructLayout.SignedLong

Enclosing class:

StructLayout

public class StructLayout.SignedLong
extends StructLayout.NumberField

A native long integer field.

Field Summary

Fields inherited from class jnr.ffi.StructLayout.NumberField

type

Constructor Summary

Constructors

Constructor	Description
SignedLong()	Creates a new native long field.
SignedLong(StructLayout.Offset offset)	Creates a new signed native long field at a specific offset

Method Summary

Modifier and Type	Method	Description
long	get(Pointer ptr)	Gets the value for this field.
int	intValue(Pointer ptr)	Returns a java int representation of this field.
long	longValue(Pointer ptr)	Returns a java long representation of this field.
void	set(Pointer ptr, long value)	Sets the value for this field.
void	set(Pointer ptr, Number value)	Sets the field to a new value.
String	toString(Pointer ptr)	Returns a string representation of this field.

Methods inherited from class jnr.ffi.StructLayout.NumberField

byteValue, doubleValue, floatValue, 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 Detail

SignedLong

public SignedLong()

Creates a new native long field.

SignedLong

public SignedLong(StructLayout.Offset offset)

Creates a new signed native long field at a specific offset

Parameters:

offset - The offset within the memory area for this field.

Method Detail

get

public final long get(Pointer ptr)

Gets the value for this field.

Parameters:

ptr - The pointer to the field.

Returns:

a long.

set

public final void set(Pointer ptr,
                      long value)

Sets the value for this field.

Parameters:

ptr - The pointer to the field.

value - the 32/64 bit value to set.

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 a java int representation of this field.

Specified by:

intValue in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

Returns:

a java int value for this field.

longValue

public final long longValue(Pointer ptr)

Returns a java long representation of this field.

Overrides:

longValue in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

Returns:

a java long value for this field.

toString

public final String toString(Pointer ptr)

Returns a string representation of this field.

Overrides:

toString in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

Returns:

a string representation of this field.