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1   /**
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *     http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing, software
14   * distributed under the License is distributed on an "AS IS" BASIS,
15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   * See the License for the specific language governing permissions and
17   * limitations under the License.
18   */
19  package org.apache.hadoop.hbase.mapreduce;
20  
21  import org.apache.hadoop.classification.InterfaceAudience;
22  import org.apache.hadoop.classification.InterfaceStability;
23  import org.apache.hadoop.hbase.client.Result;
24  import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
25  import org.apache.hadoop.mapreduce.Mapper;
26  
27  /**
28   * Extends the base <code>Mapper</code> class to add the required input key
29   * and value classes.
30   *
31   * @param <KEYOUT>  The type of the key.
32   * @param <VALUEOUT>  The type of the value.
33   * @see org.apache.hadoop.mapreduce.Mapper
34   */
35  @InterfaceAudience.Public
36  @InterfaceStability.Stable
37  public abstract class TableMapper<KEYOUT, VALUEOUT>
38  extends Mapper<ImmutableBytesWritable, Result, KEYOUT, VALUEOUT> {
39  
40  }