EmbeddedChannelHandlerContext Class — netty Architecture

Source Code

microbench/src/main/java/io/netty/microbench/channel/EmbeddedChannelHandlerContext.java lines 36–308

public abstract class EmbeddedChannelHandlerContext implements ChannelHandlerContext {
    private static final String HANDLER_NAME = "microbench-delegator-ctx";
    private final EventLoop eventLoop;
    private final Channel channel;
    private final ByteBufAllocator alloc;
    private final ChannelHandler handler;
    private SocketAddress localAddress;

    protected EmbeddedChannelHandlerContext(ByteBufAllocator alloc, ChannelHandler handler, EmbeddedChannel channel) {
        this.alloc = checkNotNull(alloc, "alloc");
        this.channel = checkNotNull(channel, "channel");
        this.handler = checkNotNull(handler, "handler");
        this.eventLoop = checkNotNull(channel.eventLoop(), "eventLoop");
    }

    protected abstract void handleException(Throwable t);

    @Override
    public final <T> Attribute<T> attr(AttributeKey<T> key) {
        return null;
    }

    @Override
    public final <T> boolean hasAttr(AttributeKey<T> key) {
        return false;
    }

    @Override
    public final Channel channel() {
        return channel;
    }

    @Override
    public final EventExecutor executor() {
        return eventLoop;
    }

    @Override
    public final String name() {
        return HANDLER_NAME;
    }

    @Override
    public final ChannelHandler handler() {
        return handler;
    }

    @Override
    public final boolean isRemoved() {
        return false;
    }

    @Override
    public final ChannelHandlerContext fireChannelRegistered() {
        return this;
    }

    @Override
    public final ChannelHandlerContext fireChannelUnregistered() {
        return this;
    }

    @Override
    public final ChannelHandlerContext fireChannelActive() {
        return this;
    }

    @Override
    public final ChannelHandlerContext fireChannelInactive() {
        return this;
    }

    @Override
    public final ChannelHandlerContext fireExceptionCaught(Throwable cause) {
        try {
            handler().exceptionCaught(this, cause);
        } catch (Exception e) {
            handleException(e);
        }
        return null;
    }