/*
    * Copyright 2020 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;
  
  /**
   * Default implementation of {@linkplain Http2PriorityFrame}
   */
  public final class DefaultHttp2PriorityFrame extends AbstractHttp2StreamFrame implements Http2PriorityFrame {
  
      private final int streamDependency;
      private final short weight;
      private final boolean exclusive;
  
      public DefaultHttp2PriorityFrame(int streamDependency, short weight, boolean exclusive) {
          this.streamDependency = streamDependency;
          this.weight = weight;
          this.exclusive = exclusive;
      }
  
      @Override
      public int streamDependency() {
          return streamDependency;
      }
  
      @Override
      public short weight() {
          return weight;
      }
  
      @Override
      public boolean exclusive() {
          return exclusive;
      }
  
      @Override
      public DefaultHttp2PriorityFrame stream(Http2FrameStream stream) {
          super.stream(stream);
          return this;
      }
  
      @Override
      public String name() {
          return "PRIORITY_FRAME";
      }
  
      @Override
      public boolean equals(Object o) {
          if (!(o instanceof DefaultHttp2PriorityFrame)) {
              return false;
          }
          DefaultHttp2PriorityFrame other = (DefaultHttp2PriorityFrame) o;
          boolean same = super.equals(other);
          return same && streamDependency == other.streamDependency
                  && weight == other.weight && exclusive == other.exclusive;
      }
  
      @Override
      public int hashCode() {
          int hash = super.hashCode();
          hash = hash * 31 + streamDependency;
          hash = hash * 31 + weight;
          hash = hash * 31 + (exclusive ? 1 : 0);
          return hash;
      }
  
      @Override
      public String toString() {
          return "DefaultHttp2PriorityFrame(" +
                  "stream=" + stream() +
                  ", streamDependency=" + streamDependency +
                  ", weight=" + weight +
                  ", exclusive=" + exclusive +
                  ')';
      }
  }