/**
    *
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.hadoop.hbase.mapreduce;
  
  import org.apache.hadoop.hbase.HBaseInterfaceAudience;
  import org.apache.hadoop.hbase.classification.InterfaceAudience;
  import org.apache.hadoop.hbase.classification.InterfaceStability;
  import org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication;
  import org.apache.hadoop.hbase.snapshot.ExportSnapshot;
  import org.apache.hadoop.util.ProgramDriver;
  
  /**
   * Driver for hbase mapreduce jobs. Select which to run by passing
   * name of job to this main.
   */
  @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)
  @InterfaceStability.Stable
  public class Driver {
    /**
     * @param args
     * @throws Throwable
     */
    public static void main(String[] args) throws Throwable {
      ProgramDriver pgd = new ProgramDriver();
  
      pgd.addClass(RowCounter.NAME, RowCounter.class,
        "Count rows in HBase table.");
      pgd.addClass(CellCounter.NAME, CellCounter.class,
        "Count cells in HBase table.");
      pgd.addClass(Export.NAME, Export.class, "Write table data to HDFS.");
      pgd.addClass(Import.NAME, Import.class, "Import data written by Export.");
      pgd.addClass(ImportTsv.NAME, ImportTsv.class, "Import data in TSV format.");
      pgd.addClass(LoadIncrementalHFiles.NAME, LoadIncrementalHFiles.class,
                   "Complete a bulk data load.");
      pgd.addClass(CopyTable.NAME, CopyTable.class,
          "Export a table from local cluster to peer cluster.");
      pgd.addClass(VerifyReplication.NAME, VerifyReplication.class, "Compare" +
          " the data from tables in two different clusters. WARNING: It" +
          " doesn't work for incrementColumnValues'd cells since the" +
          " timestamp is changed after being appended to the log.");
      pgd.addClass(WALPlayer.NAME, WALPlayer.class, "Replay WAL files.");
      pgd.addClass(ExportSnapshot.NAME, ExportSnapshot.class, "Export" +
          " the specific snapshot to a given FileSystem.");
  
      ProgramDriver.class.getMethod("driver", new Class [] {String[].class}).
        invoke(pgd, new Object[]{args});
    }
  }