parquet.thrift.ThriftParquetReader Maven / Gradle / Ivy
/**
* Copyright 2012 Twitter, Inc.
*
* 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 parquet.thrift;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.thrift.TBase;
import parquet.hadoop.ParquetReader;
import parquet.hadoop.thrift.ThriftReadSupport;
/**
* To read a parquet file into thrift objects
* @author Julien Le Dem
*
* @param the thrift type
*/
public class ThriftParquetReader> extends ParquetReader {
/**
* @param file the file to read
* @param thriftClass the class used to read
* @throws IOException
*/
public ThriftParquetReader(Path file, Class thriftClass) throws IOException {
super(file, new ThriftReadSupport(thriftClass));
}
/**
* @param conf the configuration
* @param file the file to read
* @param thriftClass the class used to read
* @throws IOException
*/
public ThriftParquetReader(Configuration conf, Path file, Class thriftClass) throws IOException {
super(conf, file, new ThriftReadSupport(thriftClass));
}
/**
* will use the thrift class based on the file metadata if a thrift class information is present
* @param file the file to read
* @throws IOException
*/
public ThriftParquetReader(Path file) throws IOException {
super(file, new ThriftReadSupport());
}
/**
* will use the thrift class based on the file metadata if a thrift class information is present
* @param conf the configuration
* @param file the file to read
* @throws IOException
*/
public ThriftParquetReader(Configuration conf, Path file) throws IOException {
super(conf, file, new ThriftReadSupport());
}
}
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