content: /*
   * Licensed 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
   *
   *     http://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 org.apache.bookkeeper.common.router;
  
  import io.netty.buffer.ByteBuf;
  
  /**
   * Compute a hash value for an {@link io.netty.buffer.ByteBuf}.
   */
  public class ByteBufHashRouter extends AbstractHashRouter<ByteBuf> {
  
      public static ByteBufHashRouter of() {
          return ROUTER;
      }
  
      private static final ByteBufHashRouter ROUTER = new ByteBufHashRouter();
  
      private ByteBufHashRouter() {
      }
  
      @Override
      ByteBuf getRoutingKeyData(ByteBuf key) {
          return key.retain();
      }
  }
  