org.elasticsearch.hadoop.cfg.HadoopSettings Maven / Gradle / Ivy
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* the Apache License, Version 2.0 (the "License"); you may
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* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.hadoop.cfg;
import java.io.InputStream;
import java.util.Locale;
import java.util.Properties;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.JobContext;
import org.elasticsearch.hadoop.mr.HadoopCfgUtils;
import org.elasticsearch.hadoop.mr.HadoopIOUtils;
import org.elasticsearch.hadoop.util.Assert;
public class HadoopSettings extends Settings {
private final Configuration cfg;
public HadoopSettings(Configuration cfg) {
Assert.notNull(cfg, "Non-null properties expected");
this.cfg = cfg;
String jobName = cfg.get(JobContext.JOB_NAME, "");
String user = cfg.get(JobContext.USER_NAME, "");
String taskAttemptId = cfg.get(JobContext.TASK_ATTEMPT_ID, "");
String opaqueId = String.format(Locale.ROOT, "[mapreduce] [%s] [%s] [%s]", user, jobName, taskAttemptId);
setOpaqueId(opaqueId);
}
@Override
public String getProperty(String name) {
return cfg.get(name);
}
@Override
public void setProperty(String name, String value) {
cfg.set(name, value);
}
@Override
public Settings copy() {
// force internal init
cfg.size();
return new HadoopSettings(new Configuration(cfg));
}
@Override
public InputStream loadResource(String location) {
return HadoopIOUtils.open(location, cfg);
}
@Override
public Properties asProperties() {
return HadoopCfgUtils.asProperties(cfg);
}
}
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