Package org.apache.ignite.internal.binary.streams

Class BinaryOffheapOutputStream

java.lang.Object

org.apache.ignite.internal.binary.streams.BinaryAbstractStream

org.apache.ignite.internal.binary.streams.BinaryAbstractOutputStream

org.apache.ignite.internal.binary.streams.BinaryOffheapOutputStream

All Implemented Interfaces:

AutoCloseable, BinaryOutputStream, BinaryStream

public class BinaryOffheapOutputStream
extends BinaryAbstractOutputStream

Binary offheap output stream.

Field Summary

Fields inherited from class org.apache.ignite.internal.binary.streams.BinaryAbstractOutputStream

MAX_ARRAY_SIZE

Fields inherited from class org.apache.ignite.internal.binary.streams.BinaryAbstractStream

BYTE_ONE, BYTE_ZERO, pos

Constructor Summary

Constructors

Constructor	Description
BinaryOffheapOutputStream(int cap)	Constructor.
BinaryOffheapOutputStream(long ptr, int cap)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected long	allocate(int cap)	Allocate memory.
byte[]	array()
byte[]	arrayCopy()
int	capacity()
void	close()	Close the stream releasing resources.
protected void	copyAndShift(Object src, long offset, int len)	Copy source object to the stream shift position afterwards.
void	ensureCapacity(int cnt)	Ensure capacity.
boolean	hasArray()
long	pointer()
protected long	reallocate(long ptr, int cap)	Reallocate memory.
protected void	release(long ptr)	Release memory.
void	unsafeWriteByte(byte val)	Write byte in unsafe mode.
void	unsafeWriteChar(char val)	Write char in unsafe mode.
void	unsafeWriteInt(int val)	Write int in unsafe mode.
void	unsafeWriteInt(int pos, int val)	Write int in unsafe mode.
void	unsafeWriteLong(long val)	Write long in unsafe mode.
void	unsafeWriteShort(int pos, short val)	Write short in unsafe mode.
void	unsafeWriteShort(short val)	Write short in unsafe mode.
protected void	writeByteAndShift(byte val)	Write next byte to the stream.
protected void	writeCharFast(char val)	Write char value (fast path).
protected void	writeIntFast(int val)	Write int value (fast path).
protected void	writeLongFast(long val)	Write long value (fast path).
protected void	writeShortFast(short val)	Write short value (fast path).

Methods inherited from class org.apache.ignite.internal.binary.streams.BinaryAbstractOutputStream

capacity, offheapPointer, position, rawOffheapPointer, unsafeEnsure, unsafePosition, unsafeWriteBoolean, unsafeWriteDouble, unsafeWriteFloat, write, write, writeBoolean, writeBooleanArray, writeByte, writeByteArray, writeByteArray, writeChar, writeCharArray, writeDouble, writeDoubleArray, writeFloat, writeFloatArray, writeInt, writeInt, writeIntArray, writeLong, writeLongArray, writeShort, writeShort, writeShortArray

Methods inherited from class org.apache.ignite.internal.binary.streams.BinaryAbstractStream

position, shift

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.internal.binary.streams.BinaryStream

position

Constructor Detail

BinaryOffheapOutputStream

public BinaryOffheapOutputStream(int cap)

Constructor.

Parameters:

cap - Capacity.

BinaryOffheapOutputStream

public BinaryOffheapOutputStream(long ptr,
                                 int cap)

Constructor.

Parameters:

ptr - Pointer to existing address.

cap - Capacity.

Method Detail

close

public void close()

Close the stream releasing resources.

ensureCapacity

public void ensureCapacity(int cnt)

Ensure capacity.

Specified by:

ensureCapacity in class BinaryAbstractOutputStream

Parameters:

cnt - Required byte count.

array

public byte[] array()

Returns:

Underlying array.

arrayCopy

public byte[] arrayCopy()

Returns:

Copy of data in the stream.

pointer

public long pointer()

Returns:

Pointer.

capacity

public int capacity()

Returns:

Total capacity.

writeByteAndShift

protected void writeByteAndShift(byte val)

Write next byte to the stream.

Specified by:

writeByteAndShift in class BinaryAbstractOutputStream

Parameters:

val - Value.

copyAndShift

protected void copyAndShift(Object src,
                            long offset,
                            int len)

Copy source object to the stream shift position afterwards.

Specified by:

copyAndShift in class BinaryAbstractOutputStream

Parameters:

src - Source.

offset - Offset.

len - Length.

writeShortFast

protected void writeShortFast(short val)

Write short value (fast path).

Specified by:

writeShortFast in class BinaryAbstractOutputStream

Parameters:

val - Short value.

writeCharFast

protected void writeCharFast(char val)

Write char value (fast path).

Specified by:

writeCharFast in class BinaryAbstractOutputStream

Parameters:

val - Char value.

writeIntFast

protected void writeIntFast(int val)

Write int value (fast path).

Specified by:

writeIntFast in class BinaryAbstractOutputStream

Parameters:

val - Int value.

writeLongFast

protected void writeLongFast(long val)

Write long value (fast path).

Specified by:

writeLongFast in class BinaryAbstractOutputStream

Parameters:

val - Long value.

hasArray

public boolean hasArray()

Returns:

True is stream is array based.

unsafeWriteByte

public void unsafeWriteByte(byte val)

Write byte in unsafe mode.

Parameters:

val - Value.

unsafeWriteShort

public void unsafeWriteShort(short val)

Write short in unsafe mode.

Parameters:

val - Value.

unsafeWriteShort

public void unsafeWriteShort(int pos,
                             short val)

Write short in unsafe mode.

Parameters:

pos - Position.

val - Value.

unsafeWriteChar

public void unsafeWriteChar(char val)

Write char in unsafe mode.

Parameters:

val - Value.

unsafeWriteInt

public void unsafeWriteInt(int val)

Write int in unsafe mode.

Parameters:

val - Value.

unsafeWriteInt

public void unsafeWriteInt(int pos,
                           int val)

Write int in unsafe mode.

Parameters:

pos - Position.

val - Value.

unsafeWriteLong

public void unsafeWriteLong(long val)

Write long in unsafe mode.

Parameters:

val - Value.

allocate

protected long allocate(int cap)

Allocate memory.

Parameters:

cap - Capacity.

Returns:

Pointer.

reallocate

protected long reallocate(long ptr,
                          int cap)

Reallocate memory.

Parameters:

ptr - Old pointer.

cap - Capacity.

Returns:

New pointer.

release

protected void release(long ptr)

Release memory.

Parameters:

ptr - Pointer.