This is an automated email from the ASF dual-hosted git repository. chesnay pushed a commit to branch release-1.10 in repository https://gitbox.apache.org/repos/asf/flink.git
commit cbb8cb65db71a600d551ba0ceb9bd413f47a5c3a Author: Chesnay Schepler <[email protected]> AuthorDate: Thu May 28 14:45:13 2020 +0200 [FLINK-17558][tests] Add TestExecutorResource --- .../testutils/executor/TestExecutorResource.java | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/flink-test-utils-parent/flink-test-utils-junit/src/main/java/org/apache/flink/testutils/executor/TestExecutorResource.java b/flink-test-utils-parent/flink-test-utils-junit/src/main/java/org/apache/flink/testutils/executor/TestExecutorResource.java new file mode 100644 index 0000000..b7619fc --- /dev/null +++ b/flink-test-utils-parent/flink-test-utils-junit/src/main/java/org/apache/flink/testutils/executor/TestExecutorResource.java @@ -0,0 +1,55 @@ +/* + * 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.flink.testutils.executor; + +import org.junit.rules.ExternalResource; + +import java.util.concurrent.Executor; +import java.util.concurrent.ExecutorService; +import java.util.function.Supplier; + +/** + * Resource which starts/stops an {@link ExecutorService} for testing purposes. + */ +public class TestExecutorResource extends ExternalResource { + + private final Supplier<ExecutorService> serviceFactory; + + private ExecutorService executorService; + + public TestExecutorResource(Supplier<ExecutorService> serviceFactory) { + this.serviceFactory = serviceFactory; + } + + @Override + protected void before() throws Throwable { + executorService = serviceFactory.get(); + } + + public Executor getExecutor() { + // only return an Executor since this resource is in charge of the life cycle + return executorService; + } + + @Override + protected void after() { + if (executorService != null) { + executorService.shutdown(); + } + } +}
