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/tags/release-0.2.0-rc0/hive/external/shims/src/common/java/org/apache/hadoop/hive/io/HiveIOExceptionHandler.java

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Java | 52 lines | 10 code | 7 blank | 35 comment | 0 complexity | 1af35d1a77d8f09fb4cb2a6658ade16f MD5 | raw file
 1/**
 2 * Licensed to the Apache Software Foundation (ASF) under one
 3 * or more contributor license agreements.  See the NOTICE file
 4 * distributed with this work for additional information
 5 * regarding copyright ownership.  The ASF licenses this file
 6 * to you under the Apache License, Version 2.0 (the
 7 * "License"); you may not use this file except in compliance
 8 * with the License.  You may obtain a copy of the License at
 9 *
10 *     http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19package org.apache.hadoop.hive.io;
20
21import java.io.IOException;
22
23import org.apache.hadoop.mapred.InputFormat;
24import org.apache.hadoop.mapred.RecordReader;
25
26/**
27 * HiveIOExceptionHandler defines an interface that all io exception handler in
28 * Hive should implement. Different IO exception handlers can implement
29 * different logics based on the exception input into it.
30 */
31public interface HiveIOExceptionHandler {
32
33  /**
34   * process exceptions raised when creating a record reader.
35   * 
36   * @param e
37   * @return
38   */
39  public RecordReader<?, ?> handleRecordReaderCreationException(Exception e)
40      throws IOException;
41
42  /**
43   * process exceptions thrown when calling rr's next
44   * 
45   * @param e
46   * @param result
47   * @throws IOException
48   */
49  public void handleRecorReaderNextException(Exception e,
50      HiveIOExceptionNextHandleResult result) throws IOException;
51
52}