Package jnr.ffi.provider.jffi

Class BufferParameterStrategy

java.lang.Object

com.kenai.jffi.ObjectParameterStrategy

jnr.ffi.provider.jffi.ParameterStrategy

jnr.ffi.provider.jffi.BufferParameterStrategy

public final class BufferParameterStrategy
extends ParameterStrategy

Nested Class Summary

Nested classes/interfaces inherited from class com.kenai.jffi.ObjectParameterStrategy

com.kenai.jffi.ObjectParameterStrategy.StrategyType

Field Summary

Fields

Modifier and Type	Field	Description
private static int	BOOLEAN_POSITION_SHIFT
private static int	BYTE_POSITION_SHIFT
private static int	CHAR_POSITION_SHIFT
private static BufferParameterStrategy[]	DIRECT_BUFFER_PARAMETER_STRATEGIES
private static int	DOUBLE_POSITION_SHIFT
private static int	FLOAT_POSITION_SHIFT
private static BufferParameterStrategy[]	HEAP_BUFFER_PARAMETER_STRATEGIES
private static int	INT_POSITION_SHIFT
private static int	LONG_POSITION_SHIFT
private int	shift
private static int	SHORT_POSITION_SHIFT

Fields inherited from class jnr.ffi.provider.jffi.ParameterStrategy

objectCount

Fields inherited from class com.kenai.jffi.ObjectParameterStrategy

DIRECT, HEAP

Constructor Summary

Constructors

Modifier	Constructor	Description
private	BufferParameterStrategy(com.kenai.jffi.ObjectParameterStrategy.StrategyType type, com.kenai.jffi.ObjectParameterType.ComponentType componentType)

Method Summary

Modifier and Type	Method	Description
long	address(java.lang.Object o)
static long	address(java.nio.Buffer buffer)
private static long	address(java.nio.Buffer ptr, int shift)
static long	address(java.nio.ByteBuffer ptr)
static long	address(java.nio.CharBuffer ptr)
static long	address(java.nio.DoubleBuffer ptr)
static long	address(java.nio.FloatBuffer ptr)
static long	address(java.nio.IntBuffer ptr)
static long	address(java.nio.LongBuffer ptr)
static long	address(java.nio.ShortBuffer ptr)
(package private) static int	calculateShift(com.kenai.jffi.ObjectParameterType.ComponentType componentType)
(package private) static BufferParameterStrategy	direct(com.kenai.jffi.ObjectParameterType.ComponentType componentType)
(package private) static BufferParameterStrategy	heap(com.kenai.jffi.ObjectParameterType.ComponentType componentType)
int	length(java.lang.Object o)
java.lang.Object	object(java.lang.Object o)
int	offset(java.lang.Object o)

Methods inherited from class com.kenai.jffi.ObjectParameterStrategy

isDirect

Methods inherited from class java.lang.Object

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

Field Detail

BYTE_POSITION_SHIFT

private static final int BYTE_POSITION_SHIFT

See Also:

Constant Field Values

SHORT_POSITION_SHIFT

private static final int SHORT_POSITION_SHIFT

See Also:

Constant Field Values

CHAR_POSITION_SHIFT

private static final int CHAR_POSITION_SHIFT

See Also:

Constant Field Values

BOOLEAN_POSITION_SHIFT

private static final int BOOLEAN_POSITION_SHIFT

See Also:

Constant Field Values

INT_POSITION_SHIFT

private static final int INT_POSITION_SHIFT

See Also:

Constant Field Values

FLOAT_POSITION_SHIFT

private static final int FLOAT_POSITION_SHIFT

See Also:

Constant Field Values

LONG_POSITION_SHIFT

private static final int LONG_POSITION_SHIFT

See Also:

Constant Field Values

DOUBLE_POSITION_SHIFT

private static final int DOUBLE_POSITION_SHIFT

See Also:

Constant Field Values

shift

private final int shift

DIRECT_BUFFER_PARAMETER_STRATEGIES

private static final BufferParameterStrategy[] DIRECT_BUFFER_PARAMETER_STRATEGIES

HEAP_BUFFER_PARAMETER_STRATEGIES

private static final BufferParameterStrategy[] HEAP_BUFFER_PARAMETER_STRATEGIES

Constructor Detail

BufferParameterStrategy

private BufferParameterStrategy(com.kenai.jffi.ObjectParameterStrategy.StrategyType type,
                                com.kenai.jffi.ObjectParameterType.ComponentType componentType)

Method Detail

address

public static long address(java.nio.ByteBuffer ptr)

address

public static long address(java.nio.ShortBuffer ptr)

address

public static long address(java.nio.CharBuffer ptr)

address

public static long address(java.nio.IntBuffer ptr)

address

public static long address(java.nio.FloatBuffer ptr)

address

public static long address(java.nio.LongBuffer ptr)

address

public static long address(java.nio.DoubleBuffer ptr)

address

public static long address(java.nio.Buffer buffer)

address

private static long address(java.nio.Buffer ptr,
                            int shift)

address

public long address(java.lang.Object o)

Specified by:

address in class com.kenai.jffi.ObjectParameterStrategy

object

public java.lang.Object object(java.lang.Object o)

Specified by:

object in class com.kenai.jffi.ObjectParameterStrategy

offset

public int offset(java.lang.Object o)

Specified by:

offset in class com.kenai.jffi.ObjectParameterStrategy

length

public int length(java.lang.Object o)

Specified by:

length in class com.kenai.jffi.ObjectParameterStrategy

calculateShift

static int calculateShift(com.kenai.jffi.ObjectParameterType.ComponentType componentType)

direct

static BufferParameterStrategy direct(com.kenai.jffi.ObjectParameterType.ComponentType componentType)

heap

static BufferParameterStrategy heap(com.kenai.jffi.ObjectParameterType.ComponentType componentType)