/*
 * 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.kyuubi.spark.connector.common

import org.apache.spark.sql.SparkSession

object LocalSparkSession {
  def stop(spark: SparkSession): Unit = {
    if (spark != null) {
      spark.stop()
    }
    // To avoid RPC rebinding to the same port, since it doesn't unbind immediately on shutdown
    System.clearProperty("spark.driver.port")
  }

  /** Runs `f` by passing in `spark` and ensures that `spark` is stopped. */
  def withSparkSession[T](spark: SparkSession)(f: SparkSession => T): T = {
    try {
      f(spark)
    } finally {
      stop(spark)
    }
  }
}
