org.apache.hadoop.hive.ql.exec.spark.HiveMapFunctionResultList Maven / Gradle / Ivy
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/**
* 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.hadoop.hive.ql.exec.spark;
import java.io.IOException;
import java.util.Iterator;
import org.apache.hadoop.io.BytesWritable;
import scala.Tuple2;
public class HiveMapFunctionResultList extends
HiveBaseFunctionResultList> {
private static final long serialVersionUID = 1L;
private final SparkRecordHandler recordHandler;
/**
* Instantiate result set Iterable for Map function output.
*
* @param inputIterator Input record iterator.
* @param handler Initialized {@link SparkMapRecordHandler} instance.
*/
public HiveMapFunctionResultList(
Iterator> inputIterator,
SparkRecordHandler handler) {
super(inputIterator);
recordHandler = handler;
}
@Override
protected void processNextRecord(Tuple2 inputRecord)
throws IOException {
recordHandler.processRow(inputRecord._1(), inputRecord._2());
}
@Override
protected boolean processingDone() {
return recordHandler.getDone();
}
@Override
protected void closeRecordProcessor() {
recordHandler.close();
}
}