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 com.alibaba.jstorm.daemon.nimbus;
  
  import backtype.storm.scheduler.INimbus;
  import backtype.storm.scheduler.IScheduler;
  import backtype.storm.scheduler.SupervisorDetails;
  import backtype.storm.scheduler.Topologies;
  import backtype.storm.scheduler.WorkerSlot;
  import java.util.Collection;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  
  public class DefaultInimbus implements INimbus {
  
      @Override
      public void prepare(Map stormConf, String schedulerLocalDir) {
      }
  
      @Override
      public Collection<WorkerSlot> allSlotsAvailableForScheduling(Collection<SupervisorDetails> existingSupervisors,
                                                                   Topologies topologies,
                                                                   Set<String> topologiesMissingAssignments) {
          Collection<WorkerSlot> result = new HashSet<>();
          for (SupervisorDetails detail : existingSupervisors) {
              for (Integer port : detail.getAllPorts())
                  result.add(new WorkerSlot(detail.getId(), port));
          }
          return result;
      }
  
      @Override
      public void assignSlots(Topologies topologies, Map<String, Collection<WorkerSlot>> newSlotsByTopologyId) {
      }
  
      @Override
      public String getHostName(Map<String, SupervisorDetails> existingSupervisors, String nodeId) {
          return null;
      }
  
      @Override
      public IScheduler getForcedScheduler() {
          return null;
      }
  
  }
  