查看本类的 API文档回源码主页

   /*
    * Copyright 2013 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.spdy;
  
  import io.netty.util.internal.StringUtil;
  
  /**
   * The default {@link SpdyPingFrame} implementation.
   */
  public class DefaultSpdyPingFrame implements SpdyPingFrame {
  
      private int id;
  
      /**
       * Creates a new instance.
       *
       * @param id the unique ID of this frame
       */
      public DefaultSpdyPingFrame(int id) {
          setId(id);
      }
  
      @Override
      public int id() {
          return id;
      }
  
      @Override
      public SpdyPingFrame setId(int id) {
          this.id = id;
          return this;
      }
  
      @Override
      public String toString() {
          return new StringBuilder()
              .append(StringUtil.simpleClassName(this))
              .append(StringUtil.NEWLINE)
              .append("--> ID = ")
              .append(id())
              .toString();
      }
  }