content: /*
   * 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.spark;
  
  import java.io.IOException;
  import java.io.Serializable;
  
  import org.junit.After;
  import org.junit.Before;
  
  import org.apache.spark.api.java.JavaSparkContext;
  import org.apache.spark.sql.SparkSession;
  
  public abstract class SharedSparkSession implements Serializable {
  
    protected transient SparkSession spark;
    protected transient JavaSparkContext jsc;
  
    @Before
    public void setUp() throws IOException {
      spark = SparkSession.builder()
        .master("local[2]")
        .appName(getClass().getSimpleName())
        .getOrCreate();
      jsc = new JavaSparkContext(spark.sparkContext());
    }
  
    @After
    public void tearDown() {
      spark.stop();
      spark = null;
    }
  }
  