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1   /**
2    * Copyright 2007 The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  package org.apache.hadoop.hbase.mapreduce;
21  
22  import org.apache.hadoop.hbase.client.Result;
23  import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
24  import org.apache.hadoop.mapreduce.Mapper;
25  
26  /**
27   * Extends the base <code>Mapper</code> class to add the required input key
28   * and value classes.
29   *
30   * @param <KEYOUT>  The type of the key.
31   * @param <VALUEOUT>  The type of the value.
32   * @see org.apache.hadoop.mapreduce.Mapper
33   */
34  public abstract class TableMapper<KEYOUT, VALUEOUT>
35  extends Mapper<ImmutableBytesWritable, Result, KEYOUT, VALUEOUT> {
36  
37  }