Package org.drasyl.handler.pubsub

Class PubSubSubscribeHandler

java.lang.Object
io.netty.channel.ChannelHandlerAdapter
io.netty.channel.ChannelInboundHandlerAdapter
io.netty.channel.ChannelDuplexHandler
org.drasyl.handler.pubsub.PubSubSubscribeHandler
All Implemented Interfaces:
io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler, io.netty.channel.ChannelOutboundHandler
public class PubSubSubscribeHandler extends io.netty.channel.ChannelDuplexHandler
This handler subscribes to topics.

If the broker not confirms withing subscribeTimeoutms, the write Promise is failed.

  • 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
    Description
    static final Duration
    DEFAULT_SUBSCRIBE_TIMEOUT
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    PubSubSubscribeHandler(Duration subscribeTimeout, DrasylAddress broker)
     
    PubSubSubscribeHandler(DrasylAddress broker)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    channelInactive(io.netty.channel.ChannelHandlerContext ctx)
     
    void
    channelRead(io.netty.channel.ChannelHandlerContext ctx, Object msg)
     
    void
    write(io.netty.channel.ChannelHandlerContext ctx, Object msg, io.netty.channel.ChannelPromise promise)
     

    Methods inherited from class io.netty.channel.ChannelDuplexHandler

    bind, close, connect, deregister, disconnect, flush, read

    Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

    channelActive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

    Methods inherited from class io.netty.channel.ChannelHandlerAdapter

    ensureNotSharable, handlerAdded, handlerRemoved, isSharable

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface io.netty.channel.ChannelHandler

    handlerAdded, handlerRemoved

  • Field Details

    • DEFAULT_SUBSCRIBE_TIMEOUT

      public static final Duration DEFAULT_SUBSCRIBE_TIMEOUT

  • Constructor Details

    • PubSubSubscribeHandler

      public PubSubSubscribeHandler(Duration subscribeTimeout, DrasylAddress broker)

    • PubSubSubscribeHandler

      public PubSubSubscribeHandler(DrasylAddress broker)

  • Method Details

    • channelInactive

      public void channelInactive(io.netty.channel.ChannelHandlerContext ctx)
      Specified by:
      channelInactive in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      channelInactive in class io.netty.channel.ChannelInboundHandlerAdapter

    • write

      public void write(io.netty.channel.ChannelHandlerContext ctx, Object msg, io.netty.channel.ChannelPromise promise)
      Specified by:
      write in interface io.netty.channel.ChannelOutboundHandler
      Overrides:
      write in class io.netty.channel.ChannelDuplexHandler

    • channelRead

      public void channelRead(io.netty.channel.ChannelHandlerContext ctx, Object msg) throws Exception
      Specified by:
      channelRead in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      channelRead in class io.netty.channel.ChannelInboundHandlerAdapter
      Throws:
      Exception