AbstractOioByteChannel (Netty API Reference (4.1.22.Final))

java.lang.Object
- io.netty.util.DefaultAttributeMap
- - io.netty.channel.AbstractChannel
  - - io.netty.channel.oio.AbstractOioChannel
    - - io.netty.channel.oio.AbstractOioByteChannel

All Implemented Interfaces:

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

已知直接子类：

OioByteStreamChannel
```
public abstract class AbstractOioByteChannel
extends AbstractOioChannel
```
OIO的抽象基类，它从/向Socket读写字节

Nested Class Summary
- 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.oio.AbstractOioChannel
  SO_TIMEOUT

构造方法摘要

构造方法
Modifier	Constructor and Description
`protected`	`AbstractOioByteChannel(Channel parent)`

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 abstract int`	`available()` 返回准备从底层套接字读取的字节数。
`protected void`	`doRead()`
`protected abstract int`	`doReadBytes(ByteBuf buf)` 从底层套接字读取字节。
`protected void`	`doWrite(ChannelOutboundBuffer in)` 将给定缓冲区的内容刷新到远程对等体。
`protected abstract void`	`doWriteBytes(ByteBuf buf)` 将由`ByteBuf`保存的数据写入底层套接字。
`protected abstract void`	`doWriteFileRegion(FileRegion region)` 将由`FileRegion`保存的数据写入底层套接字。
`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 abstract boolean`	`isInputShutdown()` 确定此通道的输入端是否已关闭。
`ChannelMetadata`	`metadata()` 返回`ChannelMetadata`的的`Channel`其描述的性质`Channel` 。
`protected abstract ChannelFuture`	`shutdownInput()` 关闭此通道的输入端。

Methods inherited from class io.netty.channel.oio.AbstractOioChannel
clearReadPending, doBeginRead, doConnect, isCompatible, isReadPending, newUnsafe, setReadPending

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, doClose, doDeregister, doDisconnect, doRegister, doShutdownOutput, equals, eventLoop, flush, hashCode, id, invalidateLocalAddress, invalidateRemoteAddress, isRegistered, isWritable, localAddress, localAddress0, newChannelPipeline, newFailedFuture, newId, newProgressivePromise, newPromise, newSucceededFuture, parent, pipeline, read, remoteAddress, remoteAddress0, toString, unsafe, 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, isOpen

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

- 构造方法详细信息
  - AbstractOioByteChannel
```
protected AbstractOioByteChannel(Channel parent)
```
    另请参见：
    
    AbstractOioByteChannel(Channel)
- 方法详细信息
  - 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 。
  - isInputShutdown
```
protected abstract boolean isInputShutdown()
```
    确定此通道的输入端是否已关闭。
    
    结果
    
    true如果此通道的输入端已关闭。
  - shutdownInput
```
protected abstract ChannelFuture shutdownInput()
```
    关闭此通道的输入端。
    
    结果
    
    将在关机完成时完成的频道未来。
  - doRead
```
protected void doRead()
```
    Specified by:
    
    doRead在课堂上 AbstractOioChannel
  - 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)
                                                throws java.lang.Exception
```
    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 AbstractChannel
    
    异常
    
    java.lang.Exception
  - available
```
protected abstract int available()
```
    返回准备从底层套接字读取的字节数。
  - doReadBytes
```
protected abstract int doReadBytes(ByteBuf buf)
                            throws java.lang.Exception
```
    从底层套接字读取字节。
    
    参数
    
    buf - 写入读取字节的ByteBuf
    
    结果
    
    计算读取的字节数。如果底层Socket被关闭，这可能会返回一个负值
    
    异常
    
    java.lang.Exception - 发生错误时抛出
  - doWriteBytes
```
protected abstract void doWriteBytes(ByteBuf buf)
                              throws java.lang.Exception
```
    将由ByteBuf持有的数据写入底层套接字。
    
    参数
    
    buf - 持有要传输的数据的ByteBuf
    
    异常
    
    java.lang.Exception - 发生错误时抛出
  - doWriteFileRegion
```
protected abstract void doWriteFileRegion(FileRegion region)
                                   throws java.lang.Exception
```
    将由FileRegion保存的数据写入底层套接字。
    
    参数
    
    region - 持有要传输的数据的FileRegion
    
    异常
    
    java.lang.Exception - 发生错误时抛出

Class AbstractOioByteChannel

Nested Class Summary

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.oio.AbstractOioChannel

构造方法摘要

方法摘要

Methods inherited from class io.netty.channel.oio.AbstractOioChannel

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

AbstractOioByteChannel

方法详细信息

metadata

isInputShutdown

shutdownInput

doRead

doWrite

filterOutboundMessage

available

doReadBytes

doWriteBytes

doWriteFileRegion