org.apache.nifi.distributed.cache.client

Class CacheClientChannelInitializer

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.channel.ChannelInitializer<io.netty.channel.Channel>

org.apache.nifi.distributed.cache.client.CacheClientChannelInitializer

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler

public class CacheClientChannelInitializer
extends io.netty.channel.ChannelInitializer<io.netty.channel.Channel>

Bootstrap a new netty connection. This performs the socket handshake used by the nifi distributed set / distributed map client controller services.

Nested Class Summary

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

io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field and Description
private SSLContext	sslContext The (optional) secure context associated with the channel.
private VersionNegotiatorFactory	versionNegotiatorFactory The factory used to create the VersionNegotiator upon initialization of the channel.

Constructor Summary

Constructors

Constructor and Description
CacheClientChannelInitializer(SSLContext sslContext, VersionNegotiatorFactory factory) Constructor.

Method Summary

Modifier and Type	Method and Description
protected void	initChannel(io.netty.channel.Channel channel)

Methods inherited from class io.netty.channel.ChannelInitializer

channelRegistered, exceptionCaught, handlerAdded, handlerRemoved

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelRead, channelReadComplete, channelUnregistered, channelWritabilityChanged, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, isSharable

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

sslContext

private final SSLContext sslContext

The (optional) secure context associated with the channel. If null, channel is not SSL protected.

versionNegotiatorFactory

private final VersionNegotiatorFactory versionNegotiatorFactory

The factory used to create the VersionNegotiator upon initialization of the channel.

Constructor Detail

CacheClientChannelInitializer

public CacheClientChannelInitializer(SSLContext sslContext,
                                     VersionNegotiatorFactory factory)

Constructor.

Parameters:

sslContext - the secure context (if any) to be associated with the channel

factory - creator of object used to broker the version of the distributed cache protocol with the service

Method Detail

initChannel

protected void initChannel(io.netty.channel.Channel channel)

Specified by:

initChannel in class io.netty.channel.ChannelInitializer<io.netty.channel.Channel>