ProtoParquetInputFormat.java

/* 
 * 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 parquet.proto;

import com.google.protobuf.MessageOrBuilder;
import org.apache.hadoop.mapreduce.Job;
import parquet.hadoop.ParquetInputFormat;
import parquet.hadoop.util.ContextUtil;

/**
 * A Hadoop {@link org.apache.hadoop.mapreduce.InputFormat} for Parquet files.
 */
public class ProtoParquetInputFormat<T extends MessageOrBuilder> extends ParquetInputFormat<T> {
  public ProtoParquetInputFormat() {
    super(ProtoReadSupport.class);
  }

  public static void setRequestedProjection(Job job, String requestedProjection) {
    ProtoReadSupport.setRequestedProjection(ContextUtil.getConfiguration(job), requestedProjection);
  }

}