org.apache.hadoop.hive.ql.io.parquet.convert.DataWritableRecordConverter Maven / Gradle / Ivy
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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.convert;
import org.apache.hadoop.hive.ql.io.parquet.read.DataWritableReadSupport;
import org.apache.hadoop.io.ArrayWritable;
import parquet.io.api.GroupConverter;
import parquet.io.api.RecordMaterializer;
import parquet.schema.GroupType;
import parquet.schema.MessageTypeParser;
import java.util.Map;
/**
*
* A MapWritableReadSupport, encapsulates the tuples
*
*/
public class DataWritableRecordConverter extends RecordMaterializer {
private final HiveStructConverter root;
public DataWritableRecordConverter(final GroupType requestedSchema, final Map metadata) {
this.root = new HiveStructConverter(requestedSchema,
MessageTypeParser.parseMessageType(metadata.get(DataWritableReadSupport.HIVE_TABLE_AS_PARQUET_SCHEMA)), metadata);
}
@Override
public ArrayWritable getCurrentRecord() {
return root.getCurrentArray();
}
@Override
public GroupConverter getRootConverter() {
return root;
}
}