content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF 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
   *
   *   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 org.apache.bookkeeper.common.hash.Murmur3;
  
  /**
   * Hash router that computes the hash value of a byte array.
   */
  public class BytesHashRouter implements HashRouter<byte[]> {
  
      public static BytesHashRouter of() {
          return ROUTER;
      }
  
      private static final BytesHashRouter ROUTER = new BytesHashRouter();
  
      private BytesHashRouter() {}
  
      @Override
      public Long getRoutingKey(byte[] key) {
          return Murmur3.hash128(key, 0, key.length, AbstractHashRouter.HASH_SEED)[0];
      }
  }
  