io.druid.segment.loading.SegmentLoaderConfig Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of druid-server Show documentation
Druid Server
The newest version!
/*
 * 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.segment.loading;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.Lists;
import org.hibernate.validator.constraints.NotEmpty;

import java.io.File;
import java.util.List;

/**
 */
public class SegmentLoaderConfig
{
  @JsonProperty
  @NotEmpty
  private List locations = null;

  @JsonProperty("deleteOnRemove")
  private boolean deleteOnRemove = true;

  @JsonProperty
  private File infoDir = null;

  public List getLocations()
  {
    return locations;
  }

  public boolean isDeleteOnRemove()
  {
    return deleteOnRemove;
  }

  public File getInfoDir()
  {
    if (infoDir == null) {
      infoDir = new File(locations.get(0).getPath(), "info_dir");
    }

    return infoDir;
  }

  public SegmentLoaderConfig withLocations(List locations)
  {
    SegmentLoaderConfig retVal = new SegmentLoaderConfig();
    retVal.locations = Lists.newArrayList(locations);
    retVal.deleteOnRemove = this.deleteOnRemove;
    retVal.infoDir = this.infoDir;
    return retVal;
  }

  @Override
  public String toString()
  {
    return "SegmentLoaderConfig{" +
           "locations=" + getLocations() +
           ", deleteOnRemove=" + isDeleteOnRemove() +
           ", infoDir=" + getInfoDir() +
           '}';
  }
}