org.apache.flink.runtime.io.network.buffer

Class NetworkBuffer

java.lang.Object

org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf

org.apache.flink.runtime.io.network.buffer.NetworkBuffer

All Implemented Interfaces:

Comparable<org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf>, Buffer, org.apache.flink.shaded.netty4.io.netty.util.ReferenceCounted

public class NetworkBuffer
extends org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf
implements Buffer

Wrapper for pooled MemorySegment instances.

NOTE: before using this buffer in the netty stack, a buffer allocator must be set via setAllocator(ByteBufAllocator)!

Constructor Summary

Constructors

Constructor and Description
NetworkBuffer(org.apache.flink.core.memory.MemorySegment memorySegment, BufferRecycler recycler) Creates a new buffer instance backed by the given memorySegment with 0 for the readerIndex and writerIndex.
NetworkBuffer(org.apache.flink.core.memory.MemorySegment memorySegment, BufferRecycler recycler, boolean isBuffer) Creates a new buffer instance backed by the given memorySegment with 0 for the readerIndex and writerIndex.
NetworkBuffer(org.apache.flink.core.memory.MemorySegment memorySegment, BufferRecycler recycler, boolean isBuffer, boolean isCompressed, int size) Creates a new buffer instance backed by the given memorySegment with 0 for the readerIndex and size as writerIndex.
NetworkBuffer(org.apache.flink.core.memory.MemorySegment memorySegment, BufferRecycler recycler, boolean isBuffer, int size) Creates a new buffer instance backed by the given memorySegment with 0 for the readerIndex and size as writerIndex.

Method Summary

Modifier and Type	Method and Description
protected byte	_getByte(int index)
protected int	_getInt(int index)
protected int	_getIntLE(int index)
protected long	_getLong(int index)
protected long	_getLongLE(int index)
protected short	_getShort(int index)
protected short	_getShortLE(int index)
protected int	_getUnsignedMedium(int index)
protected int	_getUnsignedMediumLE(int index)
protected void	_setByte(int index, int value)
protected void	_setInt(int index, int value)
protected void	_setIntLE(int index, int value)
protected void	_setLong(int index, long value)
protected void	_setLongLE(int index, long value)
protected void	_setMedium(int index, int value)
protected void	_setMediumLE(int index, int value)
protected void	_setShort(int index, int value)
protected void	_setShortLE(int index, int value)
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBufAllocator	alloc()
byte[]	array()
int	arrayOffset()
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	asByteBuf()
int	capacity()
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	capacity(int newCapacity)
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	copy(int index, int length)
protected void	deallocate()
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	getBytes(int index, byte[] dst, int dstIndex, int length)
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	getBytes(int index, ByteBuffer dst)
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	getBytes(int index, org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf dst, int dstIndex, int length)
int	getBytes(int index, FileChannel out, long position, int length)
int	getBytes(int index, GatheringByteChannel out, int length)
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	getBytes(int index, OutputStream out, int length)
int	getMaxCapacity() Returns the maximum size of the buffer, i.e.
org.apache.flink.core.memory.MemorySegment	getMemorySegment() Returns the underlying memory segment.
int	getMemorySegmentOffset() This method will be removed in the future.
ByteBuffer	getNioBuffer(int index, int length) Gets a new ByteBuffer instance wrapping this buffer's bytes.
ByteBuffer	getNioBufferReadable() Gets a new ByteBuffer instance wrapping this buffer's readable bytes, i.e.
int	getReaderIndex() Returns the reader index of this buffer.
BufferRecycler	getRecycler() Gets the buffer's recycler.
int	getSize() Returns the size of the written data, i.e.
boolean	hasArray()
boolean	hasMemoryAddress()
ByteBuffer	internalNioBuffer(int index, int length)
boolean	isBuffer() Returns whether this buffer represents a buffer or an event.
boolean	isCompressed()
boolean	isDirect()
boolean	isRecycled() Returns whether this buffer has been recycled or not.
long	memoryAddress()
ByteBuffer	nioBuffer(int index, int length)
int	nioBufferCount()
ByteBuffer[]	nioBuffers(int index, int length)
ByteOrder	order()
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	readBytes(int length)
ReadOnlySlicedNetworkBuffer	readOnlySlice() Returns a read-only slice of this buffer's readable bytes, i.e.
ReadOnlySlicedNetworkBuffer	readOnlySlice(int index, int length) Returns a read-only slice of this buffer.
void	recycleBuffer() Releases this buffer once, i.e.
NetworkBuffer	retainBuffer() Retains this buffer for further use, increasing the reference counter by 1.
void	setAllocator(org.apache.flink.shaded.netty4.io.netty.buffer.ByteBufAllocator allocator) Sets the buffer allocator for use in netty.
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	setBytes(int index, byte[] src, int srcIndex, int length)
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	setBytes(int index, ByteBuffer src)
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	setBytes(int index, org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf src, int srcIndex, int length)
int	setBytes(int index, FileChannel in, long position, int length)
int	setBytes(int index, InputStream in, int length)
int	setBytes(int index, ScatteringByteChannel in, int length)
void	setCompressed(boolean isCompressed) Tags the buffer as compressed or uncompressed.
void	setReaderIndex(int readerIndex) Sets the reader index of this buffer.
void	setSize(int writerIndex) Sets the size of the written data, i.e.
void	tagAsEvent() Tags this buffer to represent an event.
String	toString()
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf	unwrap()

Methods inherited from class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf

refCnt, release, release, resetRefCnt, retain, retain, setRefCnt, touch, touch

Methods inherited from class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

adjustMarkers, asReadOnly, bytesBefore, bytesBefore, bytesBefore, checkDstIndex, checkDstIndex, checkIndex, checkIndex, checkNewCapacity, checkReadableBytes, checkSrcIndex, clear, compareTo, copy, discardReadBytes, discardSomeReadBytes, duplicate, ensureAccessible, ensureWritable, ensureWritable, equals, forEachByte, forEachByte, forEachByteDesc, forEachByteDesc, getBoolean, getByte, getBytes, getBytes, getBytes, getChar, getCharSequence, getDouble, getFloat, getInt, getIntLE, getLong, getLongLE, getMedium, getMediumLE, getShort, getShortLE, getUnsignedByte, getUnsignedInt, getUnsignedIntLE, getUnsignedMedium, getUnsignedMediumLE, getUnsignedShort, getUnsignedShortLE, hashCode, indexOf, isReadable, isReadable, isReadOnly, isWritable, isWritable, markReaderIndex, markWriterIndex, maxCapacity, maxCapacity, maxWritableBytes, newSwappedByteBuf, nioBuffer, nioBuffers, order, readableBytes, readBoolean, readByte, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, readChar, readCharSequence, readDouble, readerIndex, readerIndex, readFloat, readInt, readIntLE, readLong, readLongLE, readMedium, readMediumLE, readRetainedSlice, readShort, readShortLE, readSlice, readUnsignedByte, readUnsignedInt, readUnsignedIntLE, readUnsignedMedium, readUnsignedMediumLE, readUnsignedShort, readUnsignedShortLE, resetReaderIndex, resetWriterIndex, retainedDuplicate, retainedSlice, retainedSlice, setBoolean, setByte, setBytes, setBytes, setBytes, setChar, setCharSequence, setDouble, setFloat, setIndex, setInt, setIntLE, setLong, setLongLE, setMedium, setMediumLE, setShort, setShortLE, setZero, skipBytes, slice, slice, toString, toString, writableBytes, writeBoolean, writeByte, writeBytes, writeBytes, writeBytes, writeBytes, writeBytes, writeBytes, writeBytes, writeBytes, writeBytes, writeChar, writeCharSequence, writeDouble, writeFloat, writeInt, writeIntLE, writeLong, writeLongLE, writeMedium, writeMediumLE, writerIndex, writerIndex, writeShort, writeShortLE, writeZero

Methods inherited from class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

getDoubleLE, getFloatLE, maxFastWritableBytes, readDoubleLE, readFloatLE, setDoubleLE, setFloatLE, writeDoubleLE, writeFloatLE

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.flink.runtime.io.network.buffer.Buffer

readableBytes

Constructor Detail

NetworkBuffer

public NetworkBuffer(org.apache.flink.core.memory.MemorySegment memorySegment,
                     BufferRecycler recycler)

Creates a new buffer instance backed by the given memorySegment with 0 for the readerIndex and writerIndex.

Parameters:

memorySegment - backing memory segment (defines AbstractByteBuf.maxCapacity)

recycler - will be called to recycle this buffer once the reference count is 0

NetworkBuffer

public NetworkBuffer(org.apache.flink.core.memory.MemorySegment memorySegment,
                     BufferRecycler recycler,
                     boolean isBuffer)

Creates a new buffer instance backed by the given memorySegment with 0 for the readerIndex and writerIndex.

Parameters:

memorySegment - backing memory segment (defines AbstractByteBuf.maxCapacity)

recycler - will be called to recycle this buffer once the reference count is 0

isBuffer - whether this buffer represents a buffer (true) or an event (false)

NetworkBuffer

public NetworkBuffer(org.apache.flink.core.memory.MemorySegment memorySegment,
                     BufferRecycler recycler,
                     boolean isBuffer,
                     int size)

Creates a new buffer instance backed by the given memorySegment with 0 for the readerIndex and size as writerIndex.

Parameters:

memorySegment - backing memory segment (defines AbstractByteBuf.maxCapacity)

recycler - will be called to recycle this buffer once the reference count is 0

isBuffer - whether this buffer represents a buffer (true) or an event (false)

size - current size of data in the buffer, i.e. the writer index to set

NetworkBuffer

public NetworkBuffer(org.apache.flink.core.memory.MemorySegment memorySegment,
                     BufferRecycler recycler,
                     boolean isBuffer,
                     boolean isCompressed,
                     int size)

Creates a new buffer instance backed by the given memorySegment with 0 for the readerIndex and size as writerIndex.

Parameters:

memorySegment - backing memory segment (defines AbstractByteBuf.maxCapacity)

recycler - will be called to recycle this buffer once the reference count is 0

isBuffer - whether this buffer represents a buffer (true) or an event (false)

size - current size of data in the buffer, i.e. the writer index to set

isCompressed - whether the buffer is compressed or not

Method Detail

isBuffer

public boolean isBuffer()

Description copied from interface: Buffer

Returns whether this buffer represents a buffer or an event.

Specified by:

isBuffer in interface Buffer

Returns:

true if this is a real buffer, false if this is an event

tagAsEvent

public void tagAsEvent()

Description copied from interface: Buffer

Tags this buffer to represent an event.

Specified by:

tagAsEvent in interface Buffer

getMemorySegment

public org.apache.flink.core.memory.MemorySegment getMemorySegment()

Description copied from interface: Buffer

Returns the underlying memory segment. This method is dangerous since it ignores read only protections and omits slices. Use it only along the Buffer.getMemorySegmentOffset().

This method will be removed in the future. For writing use BufferBuilder.

Specified by:

getMemorySegment in interface Buffer

Returns:

the memory segment backing this buffer

getMemorySegmentOffset

public int getMemorySegmentOffset()

Description copied from interface: Buffer

This method will be removed in the future. For writing use BufferBuilder.

Specified by:

getMemorySegmentOffset in interface Buffer

Returns:

the offset where this (potential slice) Buffer's data start in the underlying memory segment.

getRecycler

public BufferRecycler getRecycler()

Description copied from interface: Buffer

Gets the buffer's recycler.

Specified by:

getRecycler in interface Buffer

Returns:

buffer recycler

recycleBuffer

public void recycleBuffer()

Description copied from interface: Buffer

Releases this buffer once, i.e. reduces the reference count and recycles the buffer if the reference count reaches 0.

Specified by:

recycleBuffer in interface Buffer

See Also:

Buffer.retainBuffer()

isRecycled

public boolean isRecycled()

Description copied from interface: Buffer

Returns whether this buffer has been recycled or not.

Specified by:

isRecycled in interface Buffer

Returns:

true if already recycled, false otherwise

retainBuffer

public NetworkBuffer retainBuffer()

Description copied from interface: Buffer

Retains this buffer for further use, increasing the reference counter by 1.

Specified by:

retainBuffer in interface Buffer

Returns:

this instance (for chained calls)

See Also:

Buffer.recycleBuffer()

readOnlySlice

public ReadOnlySlicedNetworkBuffer readOnlySlice()

Description copied from interface: Buffer

Returns a read-only slice of this buffer's readable bytes, i.e. between Buffer.getReaderIndex() and Buffer.getSize().

Reader and writer indices as well as markers are not shared. Reference counters are shared but the slice is not retained automatically.

Specified by:

readOnlySlice in interface Buffer

Returns:

a read-only sliced buffer

readOnlySlice

public ReadOnlySlicedNetworkBuffer readOnlySlice(int index,
                                                 int length)

Description copied from interface: Buffer

Returns a read-only slice of this buffer.

Reader and writer indices as well as markers are not shared. Reference counters are shared but the slice is not retained automatically.

Specified by:

readOnlySlice in interface Buffer

Parameters:

index - the index to start from

length - the length of the slice

Returns:

a read-only sliced buffer

deallocate

protected void deallocate()

Specified by:

deallocate in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf

_getByte

protected byte _getByte(int index)

Specified by:

_getByte in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_getShort

protected short _getShort(int index)

Specified by:

_getShort in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_getShortLE

protected short _getShortLE(int index)

Specified by:

_getShortLE in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_getUnsignedMedium

protected int _getUnsignedMedium(int index)

Specified by:

_getUnsignedMedium in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_getUnsignedMediumLE

protected int _getUnsignedMediumLE(int index)

Specified by:

_getUnsignedMediumLE in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_getInt

protected int _getInt(int index)

Specified by:

_getInt in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_getIntLE

protected int _getIntLE(int index)

Specified by:

_getIntLE in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_getLong

protected long _getLong(int index)

Specified by:

_getLong in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_getLongLE

protected long _getLongLE(int index)

Specified by:

_getLongLE in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_setByte

protected void _setByte(int index,
                        int value)

Specified by:

_setByte in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_setShort

protected void _setShort(int index,
                         int value)

Specified by:

_setShort in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_setShortLE

protected void _setShortLE(int index,
                           int value)

Specified by:

_setShortLE in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_setMedium

protected void _setMedium(int index,
                          int value)

Specified by:

_setMedium in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_setMediumLE

protected void _setMediumLE(int index,
                            int value)

Specified by:

_setMediumLE in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_setInt

protected void _setInt(int index,
                       int value)

Specified by:

_setInt in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_setIntLE

protected void _setIntLE(int index,
                         int value)

Specified by:

_setIntLE in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_setLong

protected void _setLong(int index,
                        long value)

Specified by:

_setLong in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

_setLongLE

protected void _setLongLE(int index,
                          long value)

Specified by:

_setLongLE in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

capacity

public int capacity()

Specified by:

capacity in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

getMaxCapacity

public int getMaxCapacity()

Description copied from interface: Buffer

Returns the maximum size of the buffer, i.e. the capacity of the underlying MemorySegment.

Specified by:

getMaxCapacity in interface Buffer

Returns:

size of the buffer

getReaderIndex

public int getReaderIndex()

Description copied from interface: Buffer

Returns the reader index of this buffer.

This is where readable (unconsumed) bytes start in the backing memory segment.

Specified by:

getReaderIndex in interface Buffer

Returns:

reader index (from 0 (inclusive) to the size of the backing MemorySegment (inclusive))

setReaderIndex

public void setReaderIndex(int readerIndex)
                    throws IndexOutOfBoundsException

Description copied from interface: Buffer

Sets the reader index of this buffer.

Specified by:

setReaderIndex in interface Buffer

Throws:

IndexOutOfBoundsException - if the index is less than 0 or greater than Buffer.getSize()

getSize

public int getSize()

Description copied from interface: Buffer

Returns the size of the written data, i.e. the writer index, of this buffer.

This is where writable bytes start in the backing memory segment.

Specified by:

getSize in interface Buffer

Returns:

writer index (from 0 (inclusive) to the size of the backing MemorySegment (inclusive))

setSize

public void setSize(int writerIndex)

Description copied from interface: Buffer

Sets the size of the written data, i.e. the writer index, of this buffer.

Specified by:

setSize in interface Buffer

capacity

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf capacity(int newCapacity)

Specified by:

capacity in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

order

public ByteOrder order()

Specified by:

order in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

unwrap

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf unwrap()

Specified by:

unwrap in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

isDirect

public boolean isDirect()

Specified by:

isDirect in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

getBytes

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf getBytes(int index,
                                                                       org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf dst,
                                                                       int dstIndex,
                                                                       int length)

Specified by:

getBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

getBytes

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf getBytes(int index,
                                                                       byte[] dst,
                                                                       int dstIndex,
                                                                       int length)

Specified by:

getBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

getBytes

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf getBytes(int index,
                                                                       ByteBuffer dst)

Specified by:

getBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

getBytes

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf getBytes(int index,
                                                                       OutputStream out,
                                                                       int length)
                                                                throws IOException

Specified by:

getBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

Throws:

IOException

getBytes

public int getBytes(int index,
                    GatheringByteChannel out,
                    int length)
             throws IOException

Specified by:

getBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

Throws:

IOException

getBytes

public int getBytes(int index,
                    FileChannel out,
                    long position,
                    int length)
             throws IOException

Specified by:

getBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

Throws:

IOException

setBytes

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf setBytes(int index,
                                                                       org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf src,
                                                                       int srcIndex,
                                                                       int length)

Specified by:

setBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

setBytes

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf setBytes(int index,
                                                                       byte[] src,
                                                                       int srcIndex,
                                                                       int length)

Specified by:

setBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

setBytes

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf setBytes(int index,
                                                                       ByteBuffer src)

Specified by:

setBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

setBytes

public int setBytes(int index,
                    InputStream in,
                    int length)
             throws IOException

Specified by:

setBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

Throws:

IOException

setBytes

public int setBytes(int index,
                    ScatteringByteChannel in,
                    int length)
             throws IOException

Specified by:

setBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

Throws:

IOException

setBytes

public int setBytes(int index,
                    FileChannel in,
                    long position,
                    int length)
             throws IOException

Specified by:

setBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

Throws:

IOException

alloc

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBufAllocator alloc()

Specified by:

alloc in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

setAllocator

public void setAllocator(org.apache.flink.shaded.netty4.io.netty.buffer.ByteBufAllocator allocator)

Description copied from interface: Buffer

Sets the buffer allocator for use in netty.

Specified by:

setAllocator in interface Buffer

Parameters:

allocator - netty buffer allocator

copy

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf copy(int index,
                                                                   int length)

Specified by:

copy in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

readBytes

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf readBytes(int length)

Overrides:

readBytes in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

nioBufferCount

public int nioBufferCount()

Specified by:

nioBufferCount in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

getNioBufferReadable

public ByteBuffer getNioBufferReadable()

Description copied from interface: Buffer

Gets a new ByteBuffer instance wrapping this buffer's readable bytes, i.e. between Buffer.getReaderIndex() and Buffer.getSize().

Please note that neither index is updated by the returned buffer.

Specified by:

getNioBufferReadable in interface Buffer

Returns:

byte buffer sharing the contents of the underlying memory segment

getNioBuffer

public ByteBuffer getNioBuffer(int index,
                               int length)

Description copied from interface: Buffer

Gets a new ByteBuffer instance wrapping this buffer's bytes.

Please note that neither read nor write index are updated by the returned buffer.

Specified by:

getNioBuffer in interface Buffer

Returns:

byte buffer sharing the contents of the underlying memory segment

See Also:

Buffer.getNioBufferReadable()

nioBuffer

public ByteBuffer nioBuffer(int index,
                            int length)

Specified by:

nioBuffer in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

internalNioBuffer

public ByteBuffer internalNioBuffer(int index,
                                    int length)

Specified by:

internalNioBuffer in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

nioBuffers

public ByteBuffer[] nioBuffers(int index,
                               int length)

Specified by:

nioBuffers in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

hasArray

public boolean hasArray()

Specified by:

hasArray in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

array

public byte[] array()

Specified by:

array in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

arrayOffset

public int arrayOffset()

Specified by:

arrayOffset in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

hasMemoryAddress

public boolean hasMemoryAddress()

Specified by:

hasMemoryAddress in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

memoryAddress

public long memoryAddress()

Specified by:

memoryAddress in class org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf

toString

public String toString()

Overrides:

toString in class org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf

asByteBuf

public org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf asByteBuf()

Specified by:

asByteBuf in interface Buffer

Returns:

self as ByteBuf implementation.

isCompressed

public boolean isCompressed()

Specified by:

isCompressed in interface Buffer

Returns:

whether the buffer is compressed or not.

setCompressed

public void setCompressed(boolean isCompressed)

Description copied from interface: Buffer

Tags the buffer as compressed or uncompressed.

Specified by:

setCompressed in interface Buffer