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1   /**
2    * Copyright 2010 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.mapred;
21  
22  import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
23  import org.apache.hadoop.hbase.client.Result;
24  import org.apache.hadoop.io.Writable;
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  public interface TableMap<K extends WritableComparable<? super K>, V extends Writable>
37  extends Mapper<ImmutableBytesWritable, Result, K, V> {
38  
39  }