indexing-service/src/main/java/io/druid/indexing/common/task/TaskUtils.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.indexing.common.task;

import org.joda.time.DateTime;
import org.joda.time.Interval;

/**
 */
public class TaskUtils
{
  public static String makeId(String id, final String typeName, String dataSource, Interval interval)
  {
    return id != null ? id : String.format(
        "%s_%s_%s_%s_%s",
        typeName,
        dataSource,
        interval.getStart(),
        interval.getEnd(),
        new DateTime().toString()
    );
  }
}