UnpooledUnsafeDirectByteBuf (Netty 4.1.109.Final API文档

java.lang.Object
- io.netty.buffer.ByteBuf
- - io.netty.buffer.AbstractByteBuf
  - - io.netty.buffer.AbstractReferenceCountedByteBuf
    - - io.netty.buffer.UnpooledDirectByteBuf
      - io.netty.buffer.UnpooledUnsafeDirectByteBuf

所有已实现的接口:

ByteBufConvertible, ReferenceCounted, java.lang.Comparable<ByteBuf>
```
public class UnpooledUnsafeDirectByteBuf
extends UnpooledDirectByteBuf
```
A NIO ByteBuffer based buffer. It is recommended to use AbstractByteBufAllocator.directBuffer(int, int), Unpooled.directBuffer(int) and Unpooled.wrappedBuffer(ByteBuffer) instead of calling the constructor explicitly.}

构造器概要

构造器
限定符	构造器和说明
`protected`	`UnpooledUnsafeDirectByteBuf(ByteBufAllocator alloc, java.nio.ByteBuffer initialBuffer, int maxCapacity)` Creates a new direct buffer by wrapping the specified initial buffer.
	`UnpooledUnsafeDirectByteBuf(ByteBufAllocator alloc, int initialCapacity, int maxCapacity)` Creates a new direct buffer.

方法概要

All Methods Instance Methods Concrete Methods
限定符和类型	方法和说明
`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)`
`ByteBuf`	`copy(int index, int length)` Returns a copy of this buffer's sub-region.
`byte`	`getByte(int index)` Gets a byte at the specified absolute `index` in this buffer.
`ByteBuf`	`getBytes(int index, ByteBuf dst, int dstIndex, int length)` Transfers this buffer's data to the specified destination starting at the specified absolute `index`.
`int`	`getInt(int index)` Gets a 32-bit integer at the specified absolute `index` in this buffer.
`long`	`getLong(int index)` Gets a 64-bit long integer at the specified absolute `index` in this buffer.
`short`	`getShort(int index)` Gets a 16-bit short integer at the specified absolute `index` in this buffer.
`int`	`getUnsignedMedium(int index)` Gets an unsigned 24-bit medium integer at the specified absolute `index` in this buffer.
`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.
`protected SwappedByteBuf`	`newSwappedByteBuf()` Creates a new `SwappedByteBuf` for this `ByteBuf` instance.
`ByteBuf`	`setByte(int index, int value)` Sets the specified byte at the specified absolute `index` in this buffer.
`ByteBuf`	`setBytes(int index, byte[] src, int srcIndex, int length)` Transfers the specified source array's data to this buffer starting at the specified absolute `index`.
`ByteBuf`	`setBytes(int index, java.nio.ByteBuffer src)` Transfers the specified source buffer's data to this buffer starting at the specified absolute `index` until the source buffer's position reaches its limit.
`ByteBuf`	`setBytes(int index, ByteBuf src, int srcIndex, int length)` Transfers the specified source buffer's data to this buffer starting at the specified absolute `index`.
`int`	`setBytes(int index, java.io.InputStream in, int length)` Transfers the content of the specified source stream to this buffer starting at the specified absolute `index`.
`ByteBuf`	`setInt(int index, int value)` Sets the specified 32-bit integer at the specified absolute `index` in this buffer.
`ByteBuf`	`setLong(int index, long value)` Sets the specified 64-bit long integer at the specified absolute `index` in this buffer.
`ByteBuf`	`setMedium(int index, int value)` Sets the specified 24-bit medium integer at the specified absolute `index` in this buffer.
`ByteBuf`	`setShort(int index, int value)` Sets the specified 16-bit short integer at the specified absolute `index` in this buffer.
`ByteBuf`	`setZero(int index, int length)` Fills this buffer with `NUL (0x00)` starting at the specified absolute `index`.
`ByteBuf`	`writeZero(int length)` Fills this buffer with `NUL (0x00)` starting at the current `writerIndex` and increases the `writerIndex` by the specified `length`.

从类继承的方法 io.netty.buffer.UnpooledDirectByteBuf
alloc, allocateDirect, array, arrayOffset, capacity, capacity, deallocate, freeDirect, getBytes, getBytes, getBytes, getBytes, getBytes, hasArray, internalNioBuffer, isContiguous, isDirect, nioBuffer, nioBufferCount, nioBuffers, order, readBytes, readBytes, readBytes, readBytes, readBytes, setBytes, setBytes, unwrap

从类继承的方法 io.netty.buffer.AbstractReferenceCountedByteBuf
refCnt, release, release, resetRefCnt, retain, retain, setRefCnt, touch, touch

从类继承的方法 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, getBytes, getBytes, getBytes, getChar, getCharSequence, getDouble, getFloat, getIntLE, getLongLE, getMedium, getMediumLE, getShortLE, getUnsignedByte, getUnsignedInt, getUnsignedIntLE, getUnsignedMediumLE, getUnsignedShort, getUnsignedShortLE, hashCode, indexOf, isReadable, isReadable, isReadOnly, isWritable, isWritable, markReaderIndex, markWriterIndex, maxCapacity, maxCapacity, maxWritableBytes, nioBuffer, nioBuffers, order, readableBytes, readBoolean, readByte, 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, setBytes, setBytes, setBytes, setChar, setCharSequence, setDouble, setFloat, setIndex, setIntLE, setLongLE, setMediumLE, setShortLE, skipBytes, slice, 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

从类继承的方法 io.netty.buffer.ByteBuf
asByteBuf, getDoubleLE, getFloatLE, maxFastWritableBytes, readDoubleLE, readFloatLE, setDoubleLE, setFloatLE, writeDoubleLE, writeFloatLE

从类继承的方法 java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- 构造器详细资料
  - UnpooledUnsafeDirectByteBuf
```
public UnpooledUnsafeDirectByteBuf(ByteBufAllocator alloc,
                                   int initialCapacity,
                                   int maxCapacity)
```
    Creates a new direct buffer.
    
    参数:
    
    initialCapacity - the initial capacity of the underlying direct buffer
    
    maxCapacity - the maximum capacity of the underlying direct buffer
  - UnpooledUnsafeDirectByteBuf
```
protected UnpooledUnsafeDirectByteBuf(ByteBufAllocator alloc,
                                      java.nio.ByteBuffer initialBuffer,
                                      int maxCapacity)
```
    Creates a new direct buffer by wrapping the specified initial buffer.
    
    参数:
    
    maxCapacity - the maximum capacity of the underlying direct buffer
- 方法详细资料
  - hasMemoryAddress
```
public boolean hasMemoryAddress()
```
    从类复制的说明: ByteBuf
    
    Returns true if and only if this buffer has a reference to the low-level memory address that points to the backing data.
    
    覆盖:
    
    hasMemoryAddress 在类中 UnpooledDirectByteBuf
  - memoryAddress
```
public long memoryAddress()
```
    从类复制的说明: ByteBuf
    
    Returns the low-level memory address that point to the first byte of ths backing data.
    
    覆盖:
    
    memoryAddress 在类中 UnpooledDirectByteBuf
  - getByte
```
public byte getByte(int index)
```
    从类复制的说明: ByteBuf
    
    Gets a byte at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    getByte 在类中 UnpooledDirectByteBuf
  - _getByte
```
protected byte _getByte(int index)
```
    覆盖:
    
    _getByte 在类中 UnpooledDirectByteBuf
  - getShort
```
public short getShort(int index)
```
    从类复制的说明: ByteBuf
    
    Gets a 16-bit short integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    getShort 在类中 UnpooledDirectByteBuf
  - _getShort
```
protected short _getShort(int index)
```
    覆盖:
    
    _getShort 在类中 UnpooledDirectByteBuf
  - _getShortLE
```
protected short _getShortLE(int index)
```
    覆盖:
    
    _getShortLE 在类中 UnpooledDirectByteBuf
  - getUnsignedMedium
```
public int getUnsignedMedium(int index)
```
    从类复制的说明: ByteBuf
    
    Gets an unsigned 24-bit medium integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    getUnsignedMedium 在类中 UnpooledDirectByteBuf
  - _getUnsignedMedium
```
protected int _getUnsignedMedium(int index)
```
    覆盖:
    
    _getUnsignedMedium 在类中 UnpooledDirectByteBuf
  - _getUnsignedMediumLE
```
protected int _getUnsignedMediumLE(int index)
```
    覆盖:
    
    _getUnsignedMediumLE 在类中 UnpooledDirectByteBuf
  - getInt
```
public int getInt(int index)
```
    从类复制的说明: ByteBuf
    
    Gets a 32-bit integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    getInt 在类中 UnpooledDirectByteBuf
  - _getInt
```
protected int _getInt(int index)
```
    覆盖:
    
    _getInt 在类中 UnpooledDirectByteBuf
  - _getIntLE
```
protected int _getIntLE(int index)
```
    覆盖:
    
    _getIntLE 在类中 UnpooledDirectByteBuf
  - getLong
```
public long getLong(int index)
```
    从类复制的说明: ByteBuf
    
    Gets a 64-bit long integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    getLong 在类中 UnpooledDirectByteBuf
  - _getLong
```
protected long _getLong(int index)
```
    覆盖:
    
    _getLong 在类中 UnpooledDirectByteBuf
  - _getLongLE
```
protected long _getLongLE(int index)
```
    覆盖:
    
    _getLongLE 在类中 UnpooledDirectByteBuf
  - getBytes
```
public ByteBuf getBytes(int index,
                        ByteBuf dst,
                        int dstIndex,
                        int length)
```
    从类复制的说明: ByteBuf
    
    Transfers this buffer's data to the specified destination starting at the specified absolute index. This method does not modify readerIndex or writerIndex of both the source (i.e. this) and the destination.
    
    覆盖:
    
    getBytes 在类中 UnpooledDirectByteBuf
    
    dstIndex - the first index of the destination
    
    length - the number of bytes to transfer
  - setByte
```
public ByteBuf setByte(int index,
                       int value)
```
    从类复制的说明: ByteBuf
    
    Sets the specified byte at the specified absolute index in this buffer. The 24 high-order bits of the specified value are ignored. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    setByte 在类中 UnpooledDirectByteBuf
  - _setByte
```
protected void _setByte(int index,
                        int value)
```
    覆盖:
    
    _setByte 在类中 UnpooledDirectByteBuf
  - setShort
```
public ByteBuf setShort(int index,
                        int value)
```
    从类复制的说明: ByteBuf
    
    Sets the specified 16-bit short integer at the specified absolute index in this buffer. The 16 high-order bits of the specified value are ignored. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    setShort 在类中 UnpooledDirectByteBuf
  - _setShort
```
protected void _setShort(int index,
                         int value)
```
    覆盖:
    
    _setShort 在类中 UnpooledDirectByteBuf
  - _setShortLE
```
protected void _setShortLE(int index,
                           int value)
```
    覆盖:
    
    _setShortLE 在类中 UnpooledDirectByteBuf
  - setMedium
```
public ByteBuf setMedium(int index,
                         int value)
```
    从类复制的说明: ByteBuf
    
    Sets the specified 24-bit medium integer at the specified absolute index in this buffer. Please note that the most significant byte is ignored in the specified value. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    setMedium 在类中 UnpooledDirectByteBuf
  - _setMedium
```
protected void _setMedium(int index,
                          int value)
```
    覆盖:
    
    _setMedium 在类中 UnpooledDirectByteBuf
  - _setMediumLE
```
protected void _setMediumLE(int index,
                            int value)
```
    覆盖:
    
    _setMediumLE 在类中 UnpooledDirectByteBuf
  - setInt
```
public ByteBuf setInt(int index,
                      int value)
```
    从类复制的说明: ByteBuf
    
    Sets the specified 32-bit integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    setInt 在类中 UnpooledDirectByteBuf
  - _setInt
```
protected void _setInt(int index,
                       int value)
```
    覆盖:
    
    _setInt 在类中 UnpooledDirectByteBuf
  - _setIntLE
```
protected void _setIntLE(int index,
                         int value)
```
    覆盖:
    
    _setIntLE 在类中 UnpooledDirectByteBuf
  - setLong
```
public ByteBuf setLong(int index,
                       long value)
```
    从类复制的说明: ByteBuf
    
    Sets the specified 64-bit long integer at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    setLong 在类中 UnpooledDirectByteBuf
  - _setLong
```
protected void _setLong(int index,
                        long value)
```
    覆盖:
    
    _setLong 在类中 UnpooledDirectByteBuf
  - _setLongLE
```
protected void _setLongLE(int index,
                          long value)
```
    覆盖:
    
    _setLongLE 在类中 UnpooledDirectByteBuf
  - setBytes
```
public ByteBuf setBytes(int index,
                        ByteBuf src,
                        int srcIndex,
                        int length)
```
    从类复制的说明: ByteBuf
    
    Transfers the specified source buffer's data to this buffer starting at the specified absolute index. This method does not modify readerIndex or writerIndex of both the source (i.e. this) and the destination.
    
    覆盖:
    
    setBytes 在类中 UnpooledDirectByteBuf
    
    srcIndex - the first index of the source
    
    length - the number of bytes to transfer
  - setBytes
```
public ByteBuf setBytes(int index,
                        byte[] src,
                        int srcIndex,
                        int length)
```
    从类复制的说明: ByteBuf
    
    Transfers the specified source array's data to this buffer starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    setBytes 在类中 UnpooledDirectByteBuf
  - setBytes
```
public ByteBuf setBytes(int index,
                        java.nio.ByteBuffer src)
```
    从类复制的说明: ByteBuf
    
    Transfers the specified source buffer's data to this buffer starting at the specified absolute index until the source buffer's position reaches its limit. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    setBytes 在类中 UnpooledDirectByteBuf
  - setBytes
```
public int setBytes(int index,
                    java.io.InputStream in,
                    int length)
             throws java.io.IOException
```
    从类复制的说明: ByteBuf
    
    Transfers the content of the specified source stream to this buffer starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    setBytes 在类中 UnpooledDirectByteBuf
    
    length - the number of bytes to transfer
    
    返回:
    
    the actual number of bytes read in from the specified channel. -1 if the specified InputStream reached EOF.
    
    抛出:
    
    java.io.IOException - if the specified stream threw an exception during I/O
  - copy
```
public ByteBuf copy(int index,
                    int length)
```
    从类复制的说明: 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.
    
    覆盖:
    
    copy 在类中 UnpooledDirectByteBuf
  - newSwappedByteBuf
```
protected SwappedByteBuf newSwappedByteBuf()
```
    从类复制的说明: AbstractByteBuf
    
    Creates a new SwappedByteBuf for this ByteBuf instance.
    
    覆盖:
    
    newSwappedByteBuf 在类中 AbstractByteBuf
  - setZero
```
public ByteBuf setZero(int index,
                       int length)
```
    从类复制的说明: ByteBuf
    
    Fills this buffer with NUL (0x00) starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.
    
    覆盖:
    
    setZero 在类中 AbstractByteBuf
    
    length - the number of NULs to write to the buffer
  - writeZero
```
public ByteBuf writeZero(int length)
```
    从类复制的说明: ByteBuf
    
    Fills this buffer with NUL (0x00) starting at the current writerIndex and increases the writerIndex by the specified length. If this.writableBytes is less than length, ByteBuf.ensureWritable(int) will be called in an attempt to expand capacity to accommodate.
    
    覆盖:
    
    writeZero 在类中 AbstractByteBuf
    
    参数:
    
    length - the number of NULs to write to the buffer

类 UnpooledUnsafeDirectByteBuf

构造器概要

方法概要

从类继承的方法 io.netty.buffer.UnpooledDirectByteBuf

从类继承的方法 io.netty.buffer.AbstractReferenceCountedByteBuf

从类继承的方法 io.netty.buffer.AbstractByteBuf

从类继承的方法 io.netty.buffer.ByteBuf

从类继承的方法 java.lang.Object

构造器详细资料

UnpooledUnsafeDirectByteBuf

UnpooledUnsafeDirectByteBuf

方法详细资料

hasMemoryAddress

memoryAddress

getByte

_getByte

getShort

_getShort

_getShortLE

getUnsignedMedium

_getUnsignedMedium

_getUnsignedMediumLE

getInt

_getInt

_getIntLE

getLong

_getLong

_getLongLE

getBytes

setByte

_setByte

setShort

_setShort

_setShortLE

setMedium

_setMedium

_setMediumLE

setInt

_setInt

_setIntLE

setLong

_setLong

_setLongLE

setBytes

setBytes

setBytes

setBytes

copy

newSwappedByteBuf

setZero

writeZero