DefaultHttp2FrameStream Class — netty Architecture

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/Http2FrameCodec.java lines 753–787

    static class DefaultHttp2FrameStream implements Http2FrameStream {

        private volatile int id = -1;
        private volatile Http2Stream stream;

        final Http2FrameStreamEvent stateChanged = Http2FrameStreamEvent.stateChanged(this);
        final Http2FrameStreamEvent writabilityChanged = Http2FrameStreamEvent.writabilityChanged(this);

        Channel attachment;

        DefaultHttp2FrameStream setStreamAndProperty(PropertyKey streamKey, Http2Stream stream) {
            assert id == -1 || stream.id() == id;
            this.stream = stream;
            this.id = stream.id();
            stream.setProperty(streamKey, this);
            return this;
        }

        @Override
        public int id() {
            Http2Stream stream = this.stream;
            return stream == null ? id : stream.id();
        }

        @Override
        public State state() {
            Http2Stream stream = this.stream;
            return stream == null ? State.IDLE : stream.state();
        }

        @Override
        public String toString() {
            return String.valueOf(id());
        }
    }