001/**
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *     http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 */
019package org.apache.hadoop.hbase.mapred;
020
021import org.apache.hadoop.hbase.HBaseInterfaceAudience;
022import org.apache.hadoop.util.ProgramDriver;
023import org.apache.yetus.audience.InterfaceAudience;
024import org.apache.yetus.audience.InterfaceStability;
025
026/**
027 * Driver for hbase mapreduce jobs. Select which to run by passing name of job
028 * to this main.
029 */
030@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)
031@InterfaceStability.Stable
032public class Driver {
033
034  private static ProgramDriver pgd = new ProgramDriver();
035
036  @InterfaceAudience.Private
037  static void setProgramDriver(ProgramDriver pgd0) {
038    pgd = pgd0;
039  }
040
041  /**
042   * @param args
043   * @throws Throwable
044   */
045  public static void main(String[] args) throws Throwable {
046    pgd.addClass(RowCounter.NAME, RowCounter.class, "Count rows in HBase table");
047    ProgramDriver.class.getMethod("driver", new Class[] { String[].class })
048        .invoke(pgd, new Object[] { args });
049  }
050}