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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.mapred;
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.io.WritableComparable;
26  import org.apache.hadoop.mapred.Mapper;
27  
28  /**
29   * Scan an HBase table to sort by a specified sort column.
30   * If the column does not exist, the record is not passed to Reduce.
31   *
32   * @param <K> WritableComparable key class
33   * @param <V> Writable value class
34   */
35  @Deprecated
36  @InterfaceAudience.Public
37  @InterfaceStability.Stable
38  public interface TableMap<K extends WritableComparable<? super K>, V>
39  extends Mapper<ImmutableBytesWritable, Result, K, V> {
40  
41  }