| /* |
| * Copyright 2009-2011 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.asterix.runtime.util; |
| |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import edu.uci.ics.asterix.common.api.AsterixAppContextInfoImpl; |
| import edu.uci.ics.asterix.common.exceptions.AsterixException; |
| |
| public class AsterixRuntimeUtil { |
| |
| public static Set<String> getNodeControllersOnIP(String ipAddress) throws AsterixException { |
| Map<String, Set<String>> nodeControllerInfo = AsterixAppContextInfoImpl.getNodeControllerMap(); |
| Set<String> nodeControllersAtLocation = nodeControllerInfo.get(ipAddress); |
| return nodeControllersAtLocation; |
| } |
| |
| public static Set<String> getNodeControllersOnHostName(String hostName) throws UnknownHostException { |
| Map<String, Set<String>> nodeControllerInfo = AsterixAppContextInfoImpl.getNodeControllerMap(); |
| String address; |
| address = InetAddress.getByName(hostName).getHostAddress(); |
| if (address.equals("127.0.1.1")) { |
| address = "127.0.0.1"; |
| } |
| Set<String> nodeControllersAtLocation = nodeControllerInfo.get(address); |
| return nodeControllersAtLocation; |
| } |
| |
| public static List<String> getAllNodeControllers() { |
| |
| Collection<Set<String>> nodeControllersCollection = AsterixAppContextInfoImpl.getNodeControllerMap().values(); |
| List<String> nodeControllers = new ArrayList<String>(); |
| for (Set<String> ncCollection : nodeControllersCollection) { |
| nodeControllers.addAll(ncCollection); |
| } |
| return nodeControllers; |
| } |
| } |