resource/src/main/java/org/apache/oodt/cas/resource/system/ResourceManagerMain.java

/*
 * 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.oodt.cas.resource.system;

import org.apache.oodt.cas.resource.system.rpc.ResourceManagerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ResourceManagerMain {

    private static final Logger logger = LoggerFactory.getLogger(ResourceManagerMain.class);

    public static void main(String[] args) throws Exception {
        int portNum = -1;
        String usage = "AvroRpcResourceManager --portNum <port number for xml rpc service>\n";

        for (int i = 0; i < args.length; i++) {
            if (args[i].equals("--portNum")) {
                portNum = Integer.parseInt(args[++i]);
            }
        }

        if (portNum == -1) {
            System.err.println(usage);
            System.exit(1);
        }

        final ResourceManager manager = ResourceManagerFactory.getResourceManager(portNum);
        manager.startUp();

        logger.info("Resource manager started at port: {}", portNum);
        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                manager.shutdown();
            }
        });

        for (; ; ) {
            try {
                Thread.currentThread().join();
            } catch (InterruptedException e) {
                logger.error("Main thread interrupted. Exiting: {}", e.getMessage());
                manager.shutdown();
                break;
            }
        }
    }
}