VectorizedParquetInputFormat.java example

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/**
 * Licensed 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.hadoop.hive.ql.io.parquet;

import java.io.IOException;

import org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedParquetRecordReader;
import org.apache.hadoop.mapred.InputSplit;
import org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mapred.FileInputFormat;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.RecordReader;
import org.apache.hadoop.mapred.Reporter;

/**
 * Vectorized input format for Parquet files
 */
public class VectorizedParquetInputFormat
  extends FileInputFormat<NullWritable, VectorizedRowBatch> {

  public VectorizedParquetInputFormat() {
  }

  @Override
  public RecordReader<NullWritable, VectorizedRowBatch> getRecordReader(
    InputSplit inputSplit,
    JobConf jobConf,
    Reporter reporter) throws IOException {
    return new VectorizedParquetRecordReader(inputSplit, jobConf);
  }
}