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1   /*
2    * Copyright 2017 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.handler.codec.http2;
17  
18  import io.netty.util.internal.UnstableApi;
19  
20  @UnstableApi
21  public final class Http2FrameStreamEvent {
22  
23      private final Http2FrameStream stream;
24      private final Type type;
25  
26      enum Type {
27          State,
28          Writability
29      }
30  
31      private Http2FrameStreamEvent(Http2FrameStream stream, Type type) {
32          this.stream = stream;
33          this.type = type;
34      }
35  
36      public Http2FrameStream stream() {
37          return stream;
38      }
39  
40      public Type type() {
41          return type;
42      }
43  
44      static Http2FrameStreamEvent stateChanged(Http2FrameStream stream) {
45          return new Http2FrameStreamEvent(stream, Type.State);
46      }
47  
48      static Http2FrameStreamEvent writabilityChanged(Http2FrameStream stream) {
49          return new Http2FrameStreamEvent(stream, Type.Writability);
50      }
51  }