text: // 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.
  
  #pragma once
  
  #include "meta/meta_service.h"
  #include "meta/server_load_balancer.h"
  
  namespace dsn {
  namespace replication {
  
  class dummy_balancer : public server_load_balancer
  {
  public:
      dummy_balancer(meta_service *s) : server_load_balancer(s) {}
      virtual bool balance(meta_view view, migration_list &list) { return false; }
      virtual bool check(meta_view view, migration_list &list) { return false; }
      virtual void report(const migration_list &list, bool balance_checker) {}
      virtual std::string get_balance_operation_count(const std::vector<std::string> &args)
      {
          return std::string("unknown");
      }
      virtual void score(meta_view view, double &primary_stddev, double &total_stddev) {}
  };
  
  } // namespace replication
  } // namespace dsn
  