EncoderUtil Class — netty Architecture

Source Code

codec-compression/src/main/java/io/netty/handler/codec/compression/EncoderUtil.java lines 25–52

final class EncoderUtil {
    private static final int THREAD_POOL_DELAY_SECONDS = 10;

    static void closeAfterFinishEncode(final ChannelHandlerContext ctx, final ChannelFuture finishFuture,
                                       final ChannelPromise promise) {
        if (!finishFuture.isDone()) {
            // Ensure the channel is closed even if the write operation completes in time.
            final Future<?> future = ctx.executor().schedule(new Runnable() {
                @Override
                public void run() {
                    ctx.close(promise);
                }
            }, THREAD_POOL_DELAY_SECONDS, TimeUnit.SECONDS);

            finishFuture.addListener(f -> {
                // Cancel the scheduled timeout.
                future.cancel(true);
                if (!promise.isDone()) {
                    ctx.close(promise);
                }
            });
        } else {
            ctx.close(promise);
        }
    }

    private EncoderUtil() { }
}