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.yetus.audience.InterfaceAudience;
023import org.apache.yetus.audience.InterfaceStability;
024import org.apache.hadoop.util.ProgramDriver;
025
026import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;
027
028/**
029 * Driver for hbase mapreduce jobs. Select which to run by passing name of job
030 * to this main.
031 */
032@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)
033@InterfaceStability.Stable
034public class Driver {
035
036  private static ProgramDriver pgd = new ProgramDriver();
037
038  @VisibleForTesting
039  static void setProgramDriver(ProgramDriver pgd0) {
040    pgd = pgd0;
041  }
042
043  /**
044   * @param args
045   * @throws Throwable
046   */
047  public static void main(String[] args) throws Throwable {
048    pgd.addClass(RowCounter.NAME, RowCounter.class, "Count rows in HBase table");
049    ProgramDriver.class.getMethod("driver", new Class[] { String[].class })
050        .invoke(pgd, new Object[] { args });
051  }
052}