AbstractNioByteChannel (Netty API Reference (4.1.22.Final))

java.lang.Object
- io.netty.util.DefaultAttributeMap
- - io.netty.channel.AbstractChannel
  - - io.netty.channel.nio.AbstractNioChannel
    - - io.netty.channel.nio.AbstractNioByteChannel

All Implemented Interfaces:

Channel ， ChannelOutboundInvoker ， AttributeMap ，java.lang.Comparable的< Channel >

已知直接子类：

NioSocketChannel ， NioUdtByteConnectorChannel
```
public abstract class AbstractNioByteChannel
extends AbstractNioChannel
```
AbstractNioChannel Channel的基类，以字节为单位进行操作。

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`protected class`	`AbstractNioByteChannel.NioByteUnsafe`

Nested classes/interfaces inherited from class io.netty.channel.nio.AbstractNioChannel
AbstractNioChannel.AbstractNioUnsafe, AbstractNioChannel.NioUnsafe

Nested classes/interfaces inherited from class io.netty.channel.AbstractChannel
AbstractChannel.AbstractUnsafe

Nested classes/interfaces inherited from interface io.netty.channel.Channel
Channel.Unsafe

Field Summary
- Fields inherited from class io.netty.channel.nio.AbstractNioChannel
  readInterestOp

构造方法摘要

构造方法
Modifier	Constructor and Description
`protected`	`AbstractNioByteChannel(Channel parent, java.nio.channels.SelectableChannel ch)` 创建一个新的实例

方法摘要

所有方法接口方法抽象方法具体的方法
Modifier and Type	Method and Description
`protected void`	`clearOpWrite()`
`protected abstract int`	`doReadBytes(ByteBuf buf)` 将字节读入给定的`ByteBuf`并返回金额。
`protected void`	`doWrite(ChannelOutboundBuffer in)` 将给定缓冲区的内容刷新到远程对等体。
`protected int`	`doWrite0(ChannelOutboundBuffer in)` 将对象写入操作系统。
`protected abstract int`	`doWriteBytes(ByteBuf buf)` 写入字节从给定的`ByteBuf`到底层的`Channel` 。
`protected abstract long`	`doWriteFileRegion(FileRegion region)` 写一个`FileRegion`
`protected java.lang.Object`	`filterOutboundMessage(java.lang.Object msg)` 在将新消息添加到此`AbstractChannel`的`ChannelOutboundBuffer`时调用，以便`Channel`实现将消息转换为另一个消息。
`protected void`	`incompleteWrite(boolean setOpWrite)`
`protected boolean`	`isInputShutdown0()`
`ChannelMetadata`	`metadata()` 返回`ChannelMetadata`的的`Channel`其描述的性质`Channel` 。
`protected AbstractNioChannel.AbstractNioUnsafe`	`newUnsafe()` 创建一个新的82470523861836实例，该实例将用于`Channel`的生命周期
`protected void`	`setOpWrite()`
`protected abstract ChannelFuture`	`shutdownInput()` 关闭通道的输入端。

Methods inherited from class io.netty.channel.nio.AbstractNioChannel
clearReadPending, doBeginRead, doClose, doConnect, doDeregister, doFinishConnect, doRegister, eventLoop, isCompatible, isOpen, isReadPending, javaChannel, newDirectBuffer, newDirectBuffer, selectionKey, setReadPending, unsafe

Methods inherited from class io.netty.channel.AbstractChannel
alloc, bind, bind, bytesBeforeUnwritable, bytesBeforeWritable, close, close, closeFuture, compareTo, connect, connect, connect, connect, deregister, deregister, disconnect, disconnect, doBind, doDisconnect, doShutdownOutput, equals, flush, hashCode, id, invalidateLocalAddress, invalidateRemoteAddress, isRegistered, isWritable, localAddress, localAddress0, newChannelPipeline, newFailedFuture, newId, newProgressivePromise, newPromise, newSucceededFuture, parent, pipeline, read, remoteAddress, remoteAddress0, toString, voidPromise, write, write, writeAndFlush, writeAndFlush

Methods inherited from class io.netty.util.DefaultAttributeMap
attr, hasAttr

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.netty.channel.Channel
config, isActive

Methods inherited from interface io.netty.util.AttributeMap
attr, hasAttr

- 构造方法详细信息
  - AbstractNioByteChannel
```
protected AbstractNioByteChannel(Channel parent,
                                 java.nio.channels.SelectableChannel ch)
```
    创建一个新的实例
    
    参数
    
    parent - 创建此实例的父级Channel 。可能是null
    
    ch - 它在其上运行的基础 SelectableChannel
- 方法详细信息
  - shutdownInput
```
protected abstract ChannelFuture shutdownInput()
```
    关闭通道的输入端。
  - isInputShutdown0
```
protected boolean isInputShutdown0()
```
  - newUnsafe
```
protected AbstractNioChannel.AbstractNioUnsafe newUnsafe()
```
    从类复制的描述： AbstractChannel
    
    创建一个新的AbstractChannel.AbstractUnsafe实例，该实例将用于Channel的生命周期
    
    Specified by:
    
    newUnsafe在课堂上 AbstractChannel
  - metadata
```
public ChannelMetadata metadata()
```
    从接口Channel复制的描述
    
    返回ChannelMetadata的的Channel其描述的性质Channel 。
  - doWrite0
```
protected final int doWrite0(ChannelOutboundBuffer in)
                      throws java.lang.Exception
```
    将对象写入操作系统。
    参数
    
    in - 包含要写入对象的集合。
    
    结果
    应该从ChannelConfig.getWriteSpinCount()开始的写入量值递减的值。典型的用例如下：
    
    0 - 如果没有尝试写入。如果遇到空的ByteBuf （或其他空的内容），这是适当的
    
    1 - 如果向OS写入数据的单个调用
    
    ChannelUtils.WRITE_STATUS_SNDBUF_FULL - 如果尝试向操作系统写入数据，但没有数据被接受
    异常
    
    java.lang.Exception - 写入期间发生I / O异常。
  - doWrite
```
protected void doWrite(ChannelOutboundBuffer in)
                throws java.lang.Exception
```
    从类复制的描述： AbstractChannel
    
    将给定缓冲区的内容刷新到远程对等体。
    
    Specified by:
    
    doWrite在课堂上 AbstractChannel
    
    异常
    
    java.lang.Exception
  - filterOutboundMessage
```
protected final java.lang.Object filterOutboundMessage(java.lang.Object msg)
```
    从类复制的描述： AbstractChannel
    
    在将新消息添加到此AbstractChannel的ChannelOutboundBuffer时调用，以便Channel实现将消息转换为另一个消息。（例如堆缓冲区 - >直接缓冲区）
    
    重写：
    
    filterOutboundMessage在课堂上 AbstractChannel
  - incompleteWrite
```
protected final void incompleteWrite(boolean setOpWrite)
```
  - doWriteFileRegion
```
protected abstract long doWriteFileRegion(FileRegion region)
                                   throws java.lang.Exception
```
    写一个FileRegion
    
    参数
    
    region - 应写入字节的FileRegion
    
    结果
    
    计算写入字节的数量
    
    异常
    
    java.lang.Exception
  - doReadBytes
```
protected abstract int doReadBytes(ByteBuf buf)
                            throws java.lang.Exception
```
    将字节读入给定的ByteBuf并返回金额。
    
    异常
    
    java.lang.Exception
  - doWriteBytes
```
protected abstract int doWriteBytes(ByteBuf buf)
                             throws java.lang.Exception
```
    写入字节形成给定的ByteBuf到底层的Channel 。
    
    参数
    
    buf - 应写入字节的ByteBuf
    
    结果
    
    计算写入字节的数量
    
    异常
    
    java.lang.Exception
  - setOpWrite
```
protected final void setOpWrite()
```
  - clearOpWrite
```
protected final void clearOpWrite()
```

Class AbstractNioByteChannel

Nested Class Summary

Nested classes/interfaces inherited from class io.netty.channel.nio.AbstractNioChannel

Nested classes/interfaces inherited from class io.netty.channel.AbstractChannel

Nested classes/interfaces inherited from interface io.netty.channel.Channel

Field Summary

Fields inherited from class io.netty.channel.nio.AbstractNioChannel

构造方法摘要

方法摘要

Methods inherited from class io.netty.channel.nio.AbstractNioChannel

Methods inherited from class io.netty.channel.AbstractChannel

Methods inherited from class io.netty.util.DefaultAttributeMap

Methods inherited from class java.lang.Object

Methods inherited from interface io.netty.channel.Channel

Methods inherited from interface io.netty.util.AttributeMap

构造方法详细信息

AbstractNioByteChannel

方法详细信息

shutdownInput

isInputShutdown0

newUnsafe

metadata

doWrite0

doWrite

filterOutboundMessage

incompleteWrite

doWriteFileRegion

doReadBytes

doWriteBytes

setOpWrite

clearOpWrite