@Override public void writeRequested(ChannelHandlerContext ctx, MessageEvent e) throws Exception { if (e.getMessage() instanceof KafkaRequest) { ctx.setAttachment(((KafkaRequest) e.getMessage()).getResponseHandler()); } super.writeRequested(ctx, e); }
@Override public synchronized void writeRequested(ChannelHandlerContext ctx, MessageEvent e) throws Exception { if (isFoundCluster && !headerSent) { sendHeader(ctx); } super.writeRequested(ctx, e); }
/** * {@inheritDoc} Down-casts the received downstream event into more meaningful sub-type event and * calls an appropriate handler method with the down-casted event. */ public void handleDownstream(ChannelHandlerContext ctx, ChannelEvent e) throws Exception { if (e instanceof MessageEvent) { writeRequested(ctx, (MessageEvent) e); } else if (e instanceof ChannelStateEvent) { ChannelStateEvent evt = (ChannelStateEvent) e; switch (evt.getState()) { case OPEN: if (!Boolean.TRUE.equals(evt.getValue())) { closeRequested(ctx, evt); } break; case BOUND: if (evt.getValue() != null) { bindRequested(ctx, evt); } else { unbindRequested(ctx, evt); } break; case CONNECTED: if (evt.getValue() != null) { connectRequested(ctx, evt); } else { disconnectRequested(ctx, evt); } break; case INTEREST_OPS: setInterestOpsRequested(ctx, evt); break; default: ctx.sendDownstream(e); } } else { ctx.sendDownstream(e); } }