/* * 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.beam.runners.spark; import org.apache.beam.runners.spark.translation.SparkContextFactory; import org.junit.rules.ExternalResource; /** * Explicitly set {@link org.apache.spark.SparkContext} to be reused (or not) in tests. */ public class ReuseSparkContextRule extends ExternalResource { private final boolean reuse; private ReuseSparkContextRule(boolean reuse) { this.reuse = reuse; } public static ReuseSparkContextRule no() { return new ReuseSparkContextRule(false); } public static ReuseSparkContextRule yes() { return new ReuseSparkContextRule(true); } @Override protected void before() throws Throwable { System.setProperty(SparkContextFactory.TEST_REUSE_SPARK_CONTEXT, Boolean.toString(reuse)); } }