dz.lab.hdfs.LoadConfiguration.java Source code

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Here is the source code for dz.lab.hdfs.LoadConfiguration.java

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/**
 * (c) Copyright 2005-2014 Heavenize SAS
 * 34, rue serpente, 75006 Paris, FRANCE
 * HEAVENIZE project
 *
 * This code is the property of Heavenize SAS
 * Registration : RCS PARIS B 508 496 528
 * For any question or license, please contact Heavenize at info@heavenize.com
 */
package dz.lab.hdfs;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;

public class LoadConfiguration {
    private final static String PROP_NAME = "fs.default.name";

    static class Vars {
        final static String HADOOP_HOME = "/usr/local/hadoop";
    }

    public static void main(String[] args) {
        Configuration conf = new Configuration();

        // Print the property with empty configuration
        System.out.println("After construction: " + conf.get(PROP_NAME));

        // Add properties from core-site.xml
        conf.addResource(new Path(Vars.HADOOP_HOME + "/conf/core-site.xml"));
        System.out.println("After addResource: " + conf.get(PROP_NAME));

        // Manually set the property
        conf.set(PROP_NAME, "hdfs://192.168.2.72:8020/");
        System.out.println("After set: " + conf.get(PROP_NAME));
    }

}