org.springframework.yarn.examples.Main.java Source code

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Here is the source code for org.springframework.yarn.examples.Main.java

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/*
 * Copyright 2013 the original author or authors.
 *
 * 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 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.springframework.yarn.examples;

import java.util.Properties;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.util.StringUtils;
import org.springframework.yarn.YarnSystemConstants;
import org.springframework.yarn.client.CommandLineClientRunner;
import org.springframework.yarn.client.YarnClient;

/**
 * Main class for kill-application example.
 *
 * @author Janne Valkealahti
 *
 */
public class Main extends CommandLineClientRunner {

    private static final Log log = LogFactory.getLog(Main.class);

    public static void main(String args[]) {

        Properties properties = StringUtils.splitArrayElementsIntoProperties(args, "=");
        if (properties == null) {
            properties = new Properties();
        }

        boolean nokill = Boolean.parseBoolean(properties.getProperty("nokill"));
        String appid = properties.getProperty("appid");

        if (nokill) {
            new Main().doMain(new String[] { YarnSystemConstants.DEFAULT_CONTEXT_FILE_CLIENT,
                    YarnSystemConstants.DEFAULT_ID_CLIENT, CommandLineClientRunner.OPT_SUBMIT });
        } else if (appid != null) {
            new Main().doMain(new String[] { YarnSystemConstants.DEFAULT_CONTEXT_FILE_CLIENT,
                    YarnSystemConstants.DEFAULT_ID_CLIENT, CommandLineClientRunner.OPT_KILL,
                    CommandLineClientRunner.ARG_APPLICATION_ID + "=" + appid });
        } else if (!nokill) {
            ConfigurableApplicationContext context = null;
            try {
                context = new ClassPathXmlApplicationContext("application-context.xml");
                System.out.println("Submitting kill-application example");
                YarnClient client = (YarnClient) context.getBean("yarnClient");
                ApplicationId applicationId = client.submitApplication();
                System.out.println("Submitted kill-application example");
                System.out.println("Waiting 30 seconds before aborting the application");
                Thread.sleep(30000);
                System.out.println(
                        "Asking resource manager to abort application with applicationid=" + applicationId);
                client.killApplication(applicationId);
            } catch (Throwable e) {
                log.error("Error in main method", e);
            } finally {
                if (context != null) {
                    context.close();
                }
            }
        }
    }

}