EpollEventLoop Class — netty Architecture

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/EpollEventLoop.java lines 35–90

@Deprecated
public class EpollEventLoop extends SingleThreadIoEventLoop {

    private static final InternalLogger LOGGER = InternalLoggerFactory.getInstance(EpollEventLoop.class);

    EpollEventLoop(IoEventLoopGroup parent, ThreadFactory threadFactory, IoHandlerFactory ioHandlerFactory) {
        super(parent, threadFactory, ioHandlerFactory);
    }

    EpollEventLoop(IoEventLoopGroup parent, Executor executor, IoHandlerFactory ioHandlerFactory) {
        super(parent, executor, ioHandlerFactory);
    }

    EpollEventLoop(IoEventLoopGroup parent, Executor executor, IoHandlerFactory ioHandlerFactory,
                   EventLoopTaskQueueFactory taskQueueFactory,
                   EventLoopTaskQueueFactory tailTaskQueueFactory,
                   RejectedExecutionHandler rejectedExecutionHandler) {
        super(parent, executor, ioHandlerFactory, newTaskQueue(taskQueueFactory), newTaskQueue(tailTaskQueueFactory),
                rejectedExecutionHandler);
    }

    private static Queue<Runnable> newTaskQueue(
            EventLoopTaskQueueFactory queueFactory) {
        if (queueFactory == null) {
            return newTaskQueue0(DEFAULT_MAX_PENDING_TASKS);
        }
        return queueFactory.newTaskQueue(DEFAULT_MAX_PENDING_TASKS);
    }

    @Override
    public int registeredChannels() {
        return ((EpollIoHandler) ioHandler()).numRegisteredChannels();
    }

    @Override
    public Iterator<Channel> registeredChannelsIterator() {
        return ((EpollIoHandler) ioHandler()).registeredChannelsList().iterator();
    }

    /**
     * Returns 0.
     */
    public int getIoRatio() {
        return 0;
    }

    /**
     * This method is a no-op.
     *
     * @deprecated
     */
    @Deprecated
    public void setIoRatio(int ioRatio) {
        LOGGER.debug("EpollEventLoop.setIoRatio(int) logic was removed, this is a no-op");
    }
}