| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.iotdb.hive; |
| |
| import org.apache.iotdb.hadoop.tsfile.TSFInputFormat; |
| |
| import org.apache.hadoop.io.MapWritable; |
| import org.apache.hadoop.io.NullWritable; |
| import org.apache.hadoop.mapred.FileInputFormat; |
| import org.apache.hadoop.mapred.InputSplit; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.RecordReader; |
| import org.apache.hadoop.mapred.Reporter; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| |
| /** |
| * The class implement is same as {@link org.apache.iotdb.hadoop.tsfile.TSFInputFormat} and is |
| * customized for Hive to implements JobConfigurable interface. |
| */ |
| public class TSFHiveInputFormat extends FileInputFormat<NullWritable, MapWritable> { |
| |
| private static final Logger logger = LoggerFactory.getLogger(TSFHiveInputFormat.class); |
| |
| @Override |
| public RecordReader<NullWritable, MapWritable> getRecordReader( |
| InputSplit split, JobConf job, Reporter reporter) throws IOException { |
| return new TSFHiveRecordReader(split, job); |
| } |
| |
| @Override |
| public InputSplit[] getSplits(JobConf job, int numSplits) throws IOException { |
| job.setBoolean(INPUT_DIR_RECURSIVE, true); |
| return TSFInputFormat.getTSFInputSplit(job, Arrays.asList(super.listStatus(job)), logger) |
| .toArray(new InputSplit[0]); |
| } |
| } |