/*
    * Copyright 2017 The Netty Project
    *
    * The Netty Project licenses this file to you under the Apache License,
    * version 2.0 (the "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at:
    *
    *   https://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  package io.netty.handler.codec.http2;
  
  import io.netty.util.internal.UnstableApi;
  
  @UnstableApi
  public final class Http2FrameStreamEvent {
  
      private final Http2FrameStream stream;
      private final Type type;
  
      @UnstableApi
      public enum Type {
          State,
          Writability
      }
  
      private Http2FrameStreamEvent(Http2FrameStream stream, Type type) {
          this.stream = stream;
          this.type = type;
      }
  
      public Http2FrameStream stream() {
          return stream;
      }
  
      public Type type() {
          return type;
      }
  
      static Http2FrameStreamEvent stateChanged(Http2FrameStream stream) {
          return new Http2FrameStreamEvent(stream, Type.State);
      }
  
      static Http2FrameStreamEvent writabilityChanged(Http2FrameStream stream) {
          return new Http2FrameStreamEvent(stream, Type.Writability);
      }
  }