Package org.apache.ignite.internal.processors.platform.memory

Class PlatformOutputStreamImpl

java.lang.Object

org.apache.ignite.internal.processors.platform.memory.PlatformOutputStreamImpl

All Implemented Interfaces:

AutoCloseable, BinaryOutputStream, BinaryStream, PlatformOutputStream

Direct Known Subclasses:

PlatformBigEndianOutputStreamImpl

public class PlatformOutputStreamImpl
extends Object
implements PlatformOutputStream

Interop output stream implementation.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	cap	Maximum capacity.
protected long	data	Pointer.
protected PlatformMemory	mem	Underlying memory chunk.
protected int	pos	Current position.

Constructor Summary

Constructors

Constructor	Description
PlatformOutputStreamImpl(PlatformMemory mem)	Constructor.

Method Summary

Modifier and Type	Method	Description
byte[]	array()
byte[]	arrayCopy()
int	capacity()
void	close()	Close the stream releasing resources.
protected void	ensureCapacity(int reqCap)	Ensure capacity.
boolean	hasArray()
long	offheapPointer()
int	position()
void	position(int pos)
long	rawOffheapPointer()
protected void	shift(int cnt)	Shift position.
void	synchronize()	Synchronize output stream with underlying memory
void	unsafeEnsure(int cap)	Ensure capacity for unsafe writes.
void	unsafePosition(int pos)	Set position in unsafe mode.
void	unsafeWriteBoolean(boolean val)	Write boolean in unsafe mode.
void	unsafeWriteByte(byte val)	Write byte in unsafe mode.
void	unsafeWriteChar(char val)	Write char in unsafe mode.
void	unsafeWriteDouble(double val)	Write double in unsafe mode.
void	unsafeWriteFloat(float val)	Write float 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.
void	write(byte[] arr, int off, int len)	Write byte array.
void	write(long addr, int cnt)	Write data from unmanaged memory.
void	writeBoolean(boolean val)	Write boolean value.
void	writeBooleanArray(boolean[] val)	Write boolean array.
void	writeByte(byte val)	Write byte value.
void	writeByteArray(byte[] val)	Write byte array.
void	writeByteArray(byte[] val, int off, int len)	Write byte array.
void	writeChar(char val)	Write char value.
void	writeCharArray(char[] val)	Write char array.
void	writeDouble(double val)	Write double value.
void	writeDoubleArray(double[] val)	Write double array.
void	writeFloat(float val)	Write float value.
void	writeFloatArray(float[] val)	Write float array.
void	writeInt(int val)	Write int value.
void	writeInt(int pos, int val)	Write int value to the given position.
void	writeIntArray(int[] val)	Write int array.
void	writeLong(long val)	Write long value.
void	writeLongArray(long[] val)	Write long array.
void	writeShort(int pos, short val)	Write short value at the given position.
void	writeShort(short val)	Write short value.
void	writeShortArray(short[] val)	Write short array.

Methods inherited from class java.lang.Object

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

Field Detail

mem

protected final PlatformMemory mem

Underlying memory chunk.

data

protected long data

Pointer.

cap

protected int cap

Maximum capacity.

pos

protected int pos

Current position.

Constructor Detail

PlatformOutputStreamImpl

public PlatformOutputStreamImpl(PlatformMemory mem)

Constructor.

Parameters:

mem - Underlying memory chunk.

Method Detail

writeByte

public void writeByte(byte val)

Write byte value.

Specified by:

writeByte in interface BinaryOutputStream

Parameters:

val - Byte value.

writeByteArray

public void writeByteArray(byte[] val)

Write byte array.

Specified by:

writeByteArray in interface BinaryOutputStream

Parameters:

val - Byte array.

writeByteArray

public void writeByteArray(byte[] val,
                           int off,
                           int len)

Write byte array.

Specified by:

writeByteArray in interface BinaryOutputStream

Parameters:

val - Byte array.

off - Offset.

len - Array length.

writeBoolean

public void writeBoolean(boolean val)

Write boolean value.

Specified by:

writeBoolean in interface BinaryOutputStream

Parameters:

val - Boolean value.

writeBooleanArray

public void writeBooleanArray(boolean[] val)

Write boolean array.

Specified by:

writeBooleanArray in interface BinaryOutputStream

Parameters:

val - Boolean array.

writeShort

public void writeShort(short val)

Write short value.

Specified by:

writeShort in interface BinaryOutputStream

Parameters:

val - Short value.

writeShortArray

public void writeShortArray(short[] val)

Write short array.

Specified by:

writeShortArray in interface BinaryOutputStream

Parameters:

val - Short array.

writeChar

public void writeChar(char val)

Write char value.

Specified by:

writeChar in interface BinaryOutputStream

Parameters:

val - Char value.

writeCharArray

public void writeCharArray(char[] val)

Write char array.

Specified by:

writeCharArray in interface BinaryOutputStream

Parameters:

val - Char array.

writeInt

public void writeInt(int val)

Write int value.

Specified by:

writeInt in interface BinaryOutputStream

Parameters:

val - Int value.

writeIntArray

public void writeIntArray(int[] val)

Write int array.

Specified by:

writeIntArray in interface BinaryOutputStream

Parameters:

val - Int array.

writeShort

public void writeShort(int pos,
                       short val)

Write short value at the given position.

Specified by:

writeShort in interface BinaryOutputStream

Parameters:

pos - Position.

val - Value.

writeInt

public void writeInt(int pos,
                     int val)

Write int value to the given position.

Specified by:

writeInt in interface BinaryOutputStream

Parameters:

pos - Position.

val - Value.

writeFloat

public void writeFloat(float val)

Write float value.

Specified by:

writeFloat in interface BinaryOutputStream

Parameters:

val - Float value.

writeFloatArray

public void writeFloatArray(float[] val)

Write float array.

Specified by:

writeFloatArray in interface BinaryOutputStream

Parameters:

val - Float array.

writeLong

public void writeLong(long val)

Write long value.

Specified by:

writeLong in interface BinaryOutputStream

Parameters:

val - Long value.

writeLongArray

public void writeLongArray(long[] val)

Write long array.

Specified by:

writeLongArray in interface BinaryOutputStream

Parameters:

val - Long array.

writeDouble

public void writeDouble(double val)

Write double value.

Specified by:

writeDouble in interface BinaryOutputStream

Parameters:

val - Double value.

writeDoubleArray

public void writeDoubleArray(double[] val)

Write double array.

Specified by:

writeDoubleArray in interface BinaryOutputStream

Parameters:

val - Double array.

write

public void write(byte[] arr,
                  int off,
                  int len)

Write byte array.

Specified by:

write in interface BinaryOutputStream

Parameters:

arr - Array.

off - Offset.

len - Length.

write

public void write(long addr,
                  int cnt)

Write data from unmanaged memory.

Specified by:

write in interface BinaryOutputStream

Parameters:

addr - Address.

cnt - Count.

position

public int position()

Specified by:

position in interface BinaryStream

Returns:

Position.

position

public void position(int pos)

Specified by:

position in interface BinaryStream

Parameters:

pos - Position.

close

public void close()

Close the stream releasing resources.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface BinaryOutputStream

array

public byte[] array()

Specified by:

array in interface BinaryStream

Returns:

Underlying array.

arrayCopy

public byte[] arrayCopy()

Specified by:

arrayCopy in interface BinaryStream

Returns:

Copy of data in the stream.

offheapPointer

public long offheapPointer()

Specified by:

offheapPointer in interface BinaryStream

Returns:

Offheap pointer if stream is offheap based and "forceHeap" flag is not set; otherwise 0.

rawOffheapPointer

public long rawOffheapPointer()

Specified by:

rawOffheapPointer in interface BinaryStream

Returns:

Offheap pointer if stream is offheap based; otherwise 0.

hasArray

public boolean hasArray()

Specified by:

hasArray in interface BinaryStream

Returns:

True is stream is array based.

unsafeEnsure

public void unsafeEnsure(int cap)

Ensure capacity for unsafe writes.

Specified by:

unsafeEnsure in interface BinaryOutputStream

Parameters:

cap - Capacity.

unsafePosition

public void unsafePosition(int pos)

Set position in unsafe mode.

Specified by:

unsafePosition in interface BinaryOutputStream

Parameters:

pos - Position.

unsafeWriteByte

public void unsafeWriteByte(byte val)

Write byte in unsafe mode.

Specified by:

unsafeWriteByte in interface BinaryOutputStream

Parameters:

val - Value.

unsafeWriteBoolean

public void unsafeWriteBoolean(boolean val)

Write boolean in unsafe mode.

Specified by:

unsafeWriteBoolean in interface BinaryOutputStream

Parameters:

val - Value.

unsafeWriteShort

public void unsafeWriteShort(short val)

Write short in unsafe mode.

Specified by:

unsafeWriteShort in interface BinaryOutputStream

Parameters:

val - Value.

unsafeWriteShort

public void unsafeWriteShort(int pos,
                             short val)

Write short in unsafe mode.

Specified by:

unsafeWriteShort in interface BinaryOutputStream

Parameters:

pos - Position.

val - Value.

unsafeWriteChar

public void unsafeWriteChar(char val)

Write char in unsafe mode.

Specified by:

unsafeWriteChar in interface BinaryOutputStream

Parameters:

val - Value.

unsafeWriteInt

public void unsafeWriteInt(int val)

Write int in unsafe mode.

Specified by:

unsafeWriteInt in interface BinaryOutputStream

Parameters:

val - Value.

unsafeWriteInt

public void unsafeWriteInt(int pos,
                           int val)

Write int in unsafe mode.

Specified by:

unsafeWriteInt in interface BinaryOutputStream

Parameters:

pos - Position.

val - Value.

unsafeWriteLong

public void unsafeWriteLong(long val)

Write long in unsafe mode.

Specified by:

unsafeWriteLong in interface BinaryOutputStream

Parameters:

val - Value.

unsafeWriteFloat

public void unsafeWriteFloat(float val)

Write float in unsafe mode.

Specified by:

unsafeWriteFloat in interface BinaryOutputStream

Parameters:

val - Value.

unsafeWriteDouble

public void unsafeWriteDouble(double val)

Write double in unsafe mode.

Specified by:

unsafeWriteDouble in interface BinaryOutputStream

Parameters:

val - Value.

synchronize

public void synchronize()

Synchronize output stream with underlying memory

Specified by:

synchronize in interface PlatformOutputStream

ensureCapacity

protected void ensureCapacity(int reqCap)

Ensure capacity.

Parameters:

reqCap - Required byte count.

shift

protected void shift(int cnt)

Shift position.

Parameters:

cnt - Byte count.

capacity

public int capacity()

Specified by:

capacity in interface BinaryStream

Returns:

Total capacity.