/**
* 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.common.jsonexplain;
import org.apache.hadoop.hive.common.jsonexplain.spark.SparkJsonParser;
import org.apache.hadoop.hive.common.jsonexplain.tez.TezJsonParser;
import org.apache.hadoop.hive.conf.HiveConf;
public class JsonParserFactory {
private JsonParserFactory() {
// avoid instantiation
}
/**
* @param conf
* @return the appropriate JsonParser to print a JSONObject into outputStream.
*/
public static JsonParser getParser(HiveConf conf) {
if (HiveConf.getVar(conf, HiveConf.ConfVars.HIVE_EXECUTION_ENGINE).equals("tez")) {
return new TezJsonParser();
}
if (HiveConf.getVar(conf, HiveConf.ConfVars.HIVE_EXECUTION_ENGINE).equals("spark")) {
return new SparkJsonParser();
}
return null;
}
}