indexing-hadoop/src/main/java/io/druid/indexer/path/StaticPathSpec.java

/*
 * Druid - a distributed column store.
 * Copyright (C) 2012, 2013  Metamarkets Group Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package io.druid.indexer.path;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.metamx.common.logger.Logger;
import io.druid.indexer.HadoopDruidIndexerConfig;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;

import java.io.IOException;

/**
 * Class uses public fields to work around http://jira.codehaus.org/browse/MSHADE-92
 *
 * Adjust to JsonCreator and final fields when resolved.
 */
public class StaticPathSpec implements PathSpec
{
  private static final Logger log = new Logger(StaticPathSpec.class);

  @JsonProperty("paths")
  public String paths;

  public StaticPathSpec()
  {
    this(null);
  }

  public StaticPathSpec(
      String paths
  )
  {
    this.paths = paths;
  }

  @Override
  public Job addInputPaths(HadoopDruidIndexerConfig config, Job job) throws IOException
  {
    log.info("Adding paths[%s]", paths);
    FileInputFormat.addInputPaths(job, paths);
    return job;
  }
}