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.schedule.default_assign.Selector;
  
  import com.alibaba.jstorm.schedule.default_assign.ResourceWorkerSlot;
  import com.alibaba.jstorm.schedule.default_assign.TaskAssignContext;
  
  public class InputComponentNumSelector extends AbstractSelector {
      public InputComponentNumSelector(final TaskAssignContext context) {
          super(context);
          this.workerComparator = new WorkerComparator() {
              @Override
              public int compare(ResourceWorkerSlot o1, ResourceWorkerSlot o2) {
                  int o1Num = context.getInputComponentNumOnWorker(o1, name);
                  int o2Num = context.getInputComponentNumOnWorker(o2, name);
                  if (o1Num == o2Num)
                      return 0;
                  return o1Num > o2Num ? -1 : 1;
              }
          };
          this.supervisorComparator = new WorkerComparator() {
              @Override
              public int compare(ResourceWorkerSlot o1, ResourceWorkerSlot o2) {
                  int o1Num = context.getInputComponentNumOnSupervisor(o1.getNodeId(), name);
                  int o2Num = context.getInputComponentNumOnSupervisor(o2.getNodeId(), name);
                  if (o1Num == o2Num)
                      return 0;
                  return o1Num > o2Num ? -1 : 1;
              }
          };
      }
  }
  