| Package | Description | 
|---|---|
| io.netty.channel | The core channel API which is asynchronous and event-driven abstraction of
 various transports such as a
 NIO Channel. | 
| io.netty.channel.nio | NIO-based channel
 API implementation - recommended for a large number of connections (>= 1000). | 
| io.netty.channel.oio | Old blocking I/O based channel API implementation - recommended for
 a small number of connections (< 1000). | 
| io.netty.channel.socket.nio | NIO-based socket channel
 API implementation - recommended for a large number of connections (>= 1000). | 
| io.netty.channel.udt.nio | UDT Transport for NIO Channels. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DefaultFileRegion | 
| Modifier and Type | Method and Description | 
|---|---|
| FileRegion | FileRegion. retain() | 
| FileRegion | DefaultFileRegion. retain() | 
| FileRegion | FileRegion. retain(int increment) | 
| FileRegion | DefaultFileRegion. retain(int increment) | 
| FileRegion | FileRegion. touch() | 
| FileRegion | DefaultFileRegion. touch() | 
| FileRegion | FileRegion. touch(Object hint) | 
| FileRegion | DefaultFileRegion. touch(Object hint) | 
| Modifier and Type | Method and Description | 
|---|---|
| protected abstract long | AbstractNioByteChannel. doWriteFileRegion(FileRegion region)Write a  FileRegion | 
| Modifier and Type | Method and Description | 
|---|---|
| protected void | OioByteStreamChannel. doWriteFileRegion(FileRegion region) | 
| protected abstract void | AbstractOioByteChannel. doWriteFileRegion(FileRegion region)Write the data which is hold by the  FileRegionto the underlying Socket. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected long | NioSocketChannel. doWriteFileRegion(FileRegion region) | 
| Modifier and Type | Method and Description | 
|---|---|
| protected long | NioUdtByteConnectorChannel. doWriteFileRegion(FileRegion region) | 
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