org.apache.asterix.om.util.AsterixRuntimeUtil Maven / Gradle / Ivy

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/*
 * 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.om.util;

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * Utility class for obtaining information on the set of Hyracks NodeController
 * processes that are running on a given host.
 */
public class AsterixRuntimeUtil {

    public static Set getNodeControllersOnIP(InetAddress ipAddress) throws Exception {
        Map> nodeControllerInfo = getNodeControllerMap();
        Set nodeControllersAtLocation = nodeControllerInfo.get(ipAddress);
        return nodeControllersAtLocation;
    }

    public static List getAllNodeControllers() throws Exception {
        Collection> nodeControllersCollection = getNodeControllerMap().values();
        List nodeControllers = new ArrayList();
        for (Set ncCollection : nodeControllersCollection) {
            nodeControllers.addAll(ncCollection);
        }
        return nodeControllers;
    }

    public static Map> getNodeControllerMap() throws Exception {
        Map> map = new HashMap>();
        AsterixAppContextInfo.getInstance().getCCApplicationContext().getCCContext().getIPAddressNodeMap(map);
        return map;
    }
}