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.asterix.runtime.utils;
  
  import java.net.InetAddress;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.asterix.common.config.CompilerProperties;
  import org.apache.asterix.common.dataflow.ICcApplicationContext;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.api.job.JobSpecification;
  import org.apache.hyracks.control.cc.ClusterControllerService;
  import org.apache.hyracks.control.cc.cluster.INodeManager;
  
  public class RuntimeUtils {
  
      private RuntimeUtils() {
      }
  
      public static Set<String> getNodeControllersOnIP(ICcApplicationContext appCtx, InetAddress ipAddress)
              throws HyracksDataException {
          Map<InetAddress, Set<String>> nodeControllerInfo = getNodeControllerMap(appCtx);
          return nodeControllerInfo.get(ipAddress);
      }
  
      public static List<String> getAllNodeControllers(ICcApplicationContext appCtx) throws HyracksDataException {
          Collection<Set<String>> nodeControllersCollection = getNodeControllerMap(appCtx).values();
          List<String> nodeControllers = new ArrayList<>();
          for (Set<String> ncCollection : nodeControllersCollection) {
              nodeControllers.addAll(ncCollection);
          }
          return nodeControllers;
      }
  
      public static Map<InetAddress, Set<String>> getNodeControllerMap(ICcApplicationContext appCtx)
              throws HyracksDataException {
          Map<InetAddress, Set<String>> map = new HashMap<>();
          appCtx.getServiceContext().getCCContext().getIPAddressNodeMap(map);
          return map;
      }
  
      public static Map<InetAddress, Set<String>> getForcedNodeControllerMap(ICcApplicationContext appCtx) {
          ClusterControllerService ccs = (ClusterControllerService) appCtx.getServiceContext().getControllerService();
          INodeManager nodeManager = ccs.getNodeManager();
          return nodeManager.getIpAddressNodeNameMap();
      }
  
      public static JobSpecification createJobSpecification(ICcApplicationContext appCtx) {
          CompilerProperties compilerProperties = appCtx.getCompilerProperties();
          int frameSize = compilerProperties.getFrameSize();
          return new JobSpecification(frameSize);
      }
  }
  