com.kenai.jffi
Interface InvocationBuffer

All Known Implementing Classes:

HeapInvocationBuffer

public interface InvocationBuffer

A parameter buffer used when invoking a function

Method Summary

void	putAddress(long value) Adds a native address parameter.
void	putArray(byte[] value, int offset, int length, int flags) Adds a java byte array as a pointer parameter.
void	putArray(double[] value, int offset, int length, int flags) Adds a java double array as a pointer parameter.
void	putArray(float[] value, int offset, int length, int flags) Adds a java float array as a pointer parameter.
void	putArray(int[] value, int offset, int length, int flags) Adds a java int array as a pointer parameter.
void	putArray(long[] value, int offset, int length, int flags) Adds a java long array as a pointer parameter.
void	putArray(short[] value, int offset, int length, int flags) Adds a java short array as a pointer parameter.
void	putByte(int value) Adds an 8 bit integer parameter.
void	putDirectBuffer(java.nio.Buffer buffer, int offset, int length) Adds a java direct buffer as a pointer parameter.
void	putDouble(double value) Adds a 64 bit floating point parameter.
void	putFloat(float value) Adds a 32 bit floating point parameter.
void	putInt(int value) Adds a 32 bit integer parameter.
void	putLong(long value) Adds a 64 bit integer parameter.
void	putShort(int value) Adds a 16 bit integer parameter.
void	putStruct(byte[] struct, int offset) Adds a struct or union as a parameter.
void	putStruct(long struct) Adds a struct or union as a parameter.

Method Detail

putByte

void putByte(int value)

Adds an 8 bit integer parameter.

Parameters:

value - An 8 bit integer value to use as the parameter.

putShort

void putShort(int value)

Adds a 16 bit integer parameter.

Parameters:

value - A 16 bit integer value to use as the parameter.

putInt

void putInt(int value)

Adds a 32 bit integer parameter.

Parameters:

value - A 32 bit integer value to use as the parameter.

putLong

void putLong(long value)

Adds a 64 bit integer parameter.

Parameters:

value - A 64 bit integer value to use as the parameter.

putFloat

void putFloat(float value)

Adds a 32 bit floating point parameter.

Parameters:

value - A 32 bit floating point value to use as the parameter.

putDouble

void putDouble(double value)

Adds a 64 bit floating point parameter.

Parameters:

value - A 64 bit floating point value to use as the parameter.

putAddress

void putAddress(long value)

Adds a native address parameter.

Parameters:

value - A native address value to use as the parameter.

putArray

void putArray(byte[] value,
              int offset,
              int length,
              int flags)

Adds a java byte array as a pointer parameter.

Parameters:

value - The java array to use as the pointer parameter.

offset - The offset from the start of the array.

length - The length of the array to use.

flags - The flags to use (IN, OUT)

putArray

void putArray(short[] value,
              int offset,
              int length,
              int flags)

Adds a java short array as a pointer parameter.

Parameters:

value - The java array to use as the pointer parameter.

offset - The offset from the start of the array.

length - The length of the array to use.

flags - The flags to use (IN, OUT)

putArray

void putArray(int[] value,
              int offset,
              int length,
              int flags)

Adds a java int array as a pointer parameter.

Parameters:

value - The java array to use as the pointer parameter.

offset - The offset from the start of the array.

length - The length of the array to use.

flags - The flags to use (IN, OUT)

putArray

void putArray(long[] value,
              int offset,
              int length,
              int flags)

Adds a java long array as a pointer parameter.

Parameters:

value - The java array to use as the pointer parameter.

offset - The offset from the start of the array.

length - The length of the array to use.

flags - The flags to use (IN, OUT)

putArray

void putArray(float[] value,
              int offset,
              int length,
              int flags)

Adds a java float array as a pointer parameter.

Parameters:

value - The java array to use as the pointer parameter.

offset - The offset from the start of the array.

length - The length of the array to use.

flags - The flags to use (IN, OUT)

putArray

void putArray(double[] value,
              int offset,
              int length,
              int flags)

Adds a java double array as a pointer parameter.

Parameters:

value - The java array to use as the pointer parameter.

offset - The offset from the start of the array.

length - The length of the array to use.

flags - The flags to use (IN, OUT)

putDirectBuffer

void putDirectBuffer(java.nio.Buffer buffer,
                     int offset,
                     int length)

Adds a java direct buffer as a pointer parameter.

Parameters:

buffer - The buffer to use as a pointer argument.

offset - An offset to add to the buffer native address.

length - The length of the buffer to use.

putStruct

void putStruct(byte[] struct,
               int offset)

Adds a struct or union as a parameter. This passes the struct or union by value, not by reference.

Parameters:

struct - A java byte array with the struct contents.

offset - The offset from the start of the array.

putStruct

void putStruct(long struct)

Adds a struct or union as a parameter. This passes the struct or union by value, not by reference.

Parameters:

struct - The native address to use as the struct contents.