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

Class BinaryOffheapInputStream

java.lang.Object

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

org.apache.ignite.internal.binary.streams.BinaryAbstractInputStream

org.apache.ignite.internal.binary.streams.BinaryOffheapInputStream

All Implemented Interfaces:

BinaryPositionReadable, BinaryInputStream, BinaryStream

public class BinaryOffheapInputStream
extends BinaryAbstractInputStream

Binary off-heap input stream.

Field Summary

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

len

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

BYTE_ONE, BYTE_ZERO, pos

Constructor Summary

Constructors

Constructor	Description
BinaryOffheapInputStream(long ptr, int cap)	Constructor.
BinaryOffheapInputStream(long ptr, int cap, boolean forceHeap)	Constructor.

Method Summary

Modifier and Type	Method	Description
byte[]	array()
byte[]	arrayCopy()
int	capacity()
protected void	copyAndShift(Object target, long off, int len)	Copy data to target object shift position afterwards.
boolean	hasArray()
long	offheapPointer()
long	rawOffheapPointer()
protected byte	readByteAndShift()	Read next byte from the stream and perform shift.
protected byte	readBytePositioned0(int pos)	Internal routine for positioned byte value read.
protected char	readCharFast()	Read char value (fast path).
protected int	readIntFast()	Read int value (fast path).
protected int	readIntPositioned0(int pos)	Internal routine for positioned int value read.
protected long	readLongFast()	Read long value (fast path).
protected short	readShortFast()	Read short value (fast path).
protected short	readShortPositioned0(int pos)	Internal routine for positioned short value read.
int	remaining()	Gets amount of remaining data in bytes.

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

ensureEnoughData, position, read, readBoolean, readBooleanArray, readByte, readByteArray, readBytePositioned, readChar, readCharArray, readDouble, readDoubleArray, readFloat, readFloatArray, readInt, readIntArray, readIntPositioned, readLong, readLongArray, readShort, readShortArray, readShortPositioned

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

BinaryOffheapInputStream

public BinaryOffheapInputStream(long ptr,
                                int cap)

Constructor.

Parameters:

ptr - Pointer.

cap - Capacity.

BinaryOffheapInputStream

public BinaryOffheapInputStream(long ptr,
                                int cap,
                                boolean forceHeap)

Constructor.

Parameters:

ptr - Pointer.

cap - Capacity.

forceHeap - If true method offheapPointer() returns 0 and unmarshalling will create heap-based objects.

Method Detail

remaining

public int remaining()

Gets amount of remaining data in bytes.

Returns:

Remaining data.

capacity

public int capacity()

Returns:

Total capacity.

array

public byte[] array()

Returns:

Underlying array.

arrayCopy

public byte[] arrayCopy()

Returns:

Copy of data in the stream.

hasArray

public boolean hasArray()

Returns:

True is stream is array based.

readByteAndShift

protected byte readByteAndShift()

Read next byte from the stream and perform shift.

Specified by:

readByteAndShift in class BinaryAbstractInputStream

Returns:

Next byte.

copyAndShift

protected void copyAndShift(Object target,
                            long off,
                            int len)

Copy data to target object shift position afterwards.

Specified by:

copyAndShift in class BinaryAbstractInputStream

Parameters:

target - Target.

off - Offset.

len - Length.

readShortFast

protected short readShortFast()

Read short value (fast path).

Specified by:

readShortFast in class BinaryAbstractInputStream

Returns:

Short value.

readCharFast

protected char readCharFast()

Read char value (fast path).

Specified by:

readCharFast in class BinaryAbstractInputStream

Returns:

Char value.

readIntFast

protected int readIntFast()

Read int value (fast path).

Specified by:

readIntFast in class BinaryAbstractInputStream

Returns:

Int value.

readLongFast

protected long readLongFast()

Read long value (fast path).

Specified by:

readLongFast in class BinaryAbstractInputStream

Returns:

Long value.

readBytePositioned0

protected byte readBytePositioned0(int pos)

Internal routine for positioned byte value read.

Specified by:

readBytePositioned0 in class BinaryAbstractInputStream

Parameters:

pos - Position.

Returns:

Int value.

readShortPositioned0

protected short readShortPositioned0(int pos)

Internal routine for positioned short value read.

Specified by:

readShortPositioned0 in class BinaryAbstractInputStream

Parameters:

pos - Position.

Returns:

Int value.

readIntPositioned0

protected int readIntPositioned0(int pos)

Internal routine for positioned int value read.

Specified by:

readIntPositioned0 in class BinaryAbstractInputStream

Parameters:

pos - Position.

Returns:

Int value.

offheapPointer

public long offheapPointer()

Specified by:

offheapPointer in interface BinaryStream

Overrides:

offheapPointer in class BinaryAbstractInputStream

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

Overrides:

rawOffheapPointer in class BinaryAbstractInputStream

Returns:

Offheap pointer if stream is offheap based; otherwise 0.