Class ReadOnlyUnsafeDirectByteBuf

java.lang.Object

io.netty.buffer.ByteBuf

io.netty.buffer.AbstractByteBuf

io.netty.buffer.AbstractReferenceCountedByteBuf

io.netty.buffer.ReadOnlyByteBufferBuf

io.netty.buffer.ReadOnlyUnsafeDirectByteBuf

All Implemented Interfaces:

ByteBufConvertible, ReferenceCounted, Comparable<ByteBuf>

final class ReadOnlyUnsafeDirectByteBuf
extends ReadOnlyByteBufferBuf

Read-only ByteBuf which wraps a read-only direct ByteBuffer and use unsafe for best performance.

Field Summary

Fields

Modifier and Type	Field	Description
private final long	memoryAddress

Fields inherited from class ReadOnlyByteBufferBuf

buffer

Fields inherited from class AbstractByteBuf

checkAccessible, leakDetector, readerIndex, writerIndex

Constructor Summary

Constructors

Constructor	Description
ReadOnlyUnsafeDirectByteBuf(ByteBufAllocator allocator, ByteBuffer byteBuffer)

Method Summary

Modifier and Type	Method	Description
protected byte	_getByte(int index)
protected int	_getInt(int index)
protected long	_getLong(int index)
protected short	_getShort(int index)
protected int	_getUnsignedMedium(int index)
private long	addr(int index)
ByteBuf	copy(int index, int length)	Returns a copy of this buffer's sub-region.
protected ByteBuf	getBytes(int index, byte[] dst, int dstIndex, int length, boolean internal)
protected ByteBuf	getBytes(int index, ByteBuf dst, int dstIndex, int length, boolean internal)
boolean	hasMemoryAddress()	Returns true if and only if this buffer has a reference to the low-level memory address that points to the backing data.
long	memoryAddress()	Returns the low-level memory address that point to the first byte of ths backing data.

Methods inherited from class ReadOnlyByteBufferBuf

_getIntLE, _getLongLE, _getShortLE, _getUnsignedMediumLE, _setByte, _setInt, _setIntLE, _setLong, _setLongLE, _setMedium, _setMediumLE, _setShort, _setShortLE, alloc, array, arrayOffset, asReadOnly, capacity, capacity, deallocate, duplicate, ensureWritable, ensureWritable, getByte, getBytes, getBytes, getBytes, getBytes, getBytes, getBytes, getInt, getIntLE, getLong, getLongLE, getShort, getShortLE, getUnsignedMedium, getUnsignedMediumLE, hasArray, internalNioBuffer, internalNioBuffer, isContiguous, isDirect, isReadOnly, isWritable, isWritable, nioBuffer, nioBufferCount, nioBuffers, order, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, setByte, setBytes, setBytes, setBytes, setBytes, setBytes, setBytes, setInt, setIntLE, setLong, setLongLE, setMedium, setMediumLE, setShort, setShortLE, slice, unwrap

Methods inherited from class AbstractReferenceCountedByteBuf

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

Methods inherited from class AbstractByteBuf

adjustMarkers, bytesBefore, bytesBefore, bytesBefore, checkDstIndex, checkDstIndex, checkIndex, checkIndex, checkIndex0, checkNewCapacity, checkReadableBytes, checkSrcIndex, clear, compareTo, copy, discardMarks, discardReadBytes, discardSomeReadBytes, ensureAccessible, ensureWritable0, equals, forEachByte, forEachByte, forEachByteAsc0, forEachByteDesc, forEachByteDesc, forEachByteDesc0, getBoolean, getBytes, getBytes, getBytes, getChar, getCharSequence, getDouble, getFloat, getMedium, getMediumLE, getUnsignedByte, getUnsignedInt, getUnsignedIntLE, getUnsignedShort, getUnsignedShortLE, hashCode, indexOf, isReadable, isReadable, markReaderIndex, markWriterIndex, maxCapacity, maxCapacity, maxWritableBytes, newSwappedByteBuf, nioBuffer, nioBuffers, order, readableBytes, readBoolean, readByte, 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, setBytes, setBytes, setBytes, setChar, setCharSequence, setDouble, setFloat, setIndex, setIndex0, setZero, skipBytes, slice, toString, toString, toString, trimIndicesToCapacity, 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 ByteBuf

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

Methods inherited from class Object

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

Field Details

memoryAddress

private final long memoryAddress

Constructor Details

ReadOnlyUnsafeDirectByteBuf

ReadOnlyUnsafeDirectByteBuf(ByteBufAllocator allocator,
 ByteBuffer byteBuffer)

Method Details

_getByte

protected byte _getByte(int index)

Overrides:

_getByte in class ReadOnlyByteBufferBuf

_getShort

protected short _getShort(int index)

Overrides:

_getShort in class ReadOnlyByteBufferBuf

_getUnsignedMedium

protected int _getUnsignedMedium(int index)

Overrides:

_getUnsignedMedium in class ReadOnlyByteBufferBuf

_getInt

protected int _getInt(int index)

Overrides:

_getInt in class ReadOnlyByteBufferBuf

_getLong

protected long _getLong(int index)

Overrides:

_getLong in class ReadOnlyByteBufferBuf

getBytes

protected ByteBuf getBytes(int index,
 ByteBuf dst,
 int dstIndex,
 int length,
 boolean internal)

Overrides:

getBytes in class ReadOnlyByteBufferBuf

getBytes

protected ByteBuf getBytes(int index,
 byte[] dst,
 int dstIndex,
 int length,
 boolean internal)

Overrides:

getBytes in class ReadOnlyByteBufferBuf

copy

public ByteBuf copy(int index,
 int length)

Description copied from class: ByteBuf

Returns a copy of this buffer's sub-region. Modifying the content of the returned buffer or this buffer does not affect each other at all. This method does not modify readerIndex or writerIndex of this buffer.

Overrides:

copy in class ReadOnlyByteBufferBuf

hasMemoryAddress

public boolean hasMemoryAddress()

Description copied from class: ByteBuf

Returns true if and only if this buffer has a reference to the low-level memory address that points to the backing data.

Overrides:

hasMemoryAddress in class ReadOnlyByteBufferBuf

memoryAddress

public long memoryAddress()

Description copied from class: ByteBuf

Returns the low-level memory address that point to the first byte of ths backing data.

Overrides:

memoryAddress in class ReadOnlyByteBufferBuf

addr

private long addr(int index)