com.pinterest.terrapin.controller.TerrapinControllerMain.java Source code

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Here is the source code for com.pinterest.terrapin.controller.TerrapinControllerMain.java

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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 com.pinterest.terrapin.controller;

import com.pinterest.terrapin.TerrapinUtil;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Main java class for firing up the Terrapin controller.
 */
public class TerrapinControllerMain {
    private static final Logger LOG = LoggerFactory.getLogger(TerrapinControllerMain.class);

    public static void main(String[] args) {
        PropertiesConfiguration configuration = TerrapinUtil.readPropertiesExitOnFailure(
                System.getProperties().getProperty("terrapin.config", "controller.properties"));
        try {
            LOG.info("Starting controller.");
            final TerrapinControllerHandler handler = new TerrapinControllerHandler(configuration);
            handler.start();

            Runtime.getRuntime().addShutdownHook(new Thread() {
                @Override
                public void run() {
                    handler.shutdown();
                }
            });
        } catch (Throwable t) {
            LOG.error("Could not start the controller.", t);
        }
    }
}