Java tutorial
/* * Licensed to the Rhiot under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The 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 io.rhiot.spec; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.dataformat.yaml.YAMLFactory; import io.rhiot.spec.report.CSVReport; import org.apache.commons.cli.*; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.File; import java.util.List; import java.util.concurrent.*; public class IoTSpec { private static final Logger LOG = LoggerFactory.getLogger(IoTSpec.class); private static final String CONFIG = "config"; private static final String INSTANCE = "instance"; private static final String REPORT = "report"; public static void main(String[] args) throws Exception { CommandLineParser parser = new DefaultParser(); Options options = new Options(); options.addOption(Option.builder("c").longOpt(CONFIG).desc( "Location of the test configuration file. A default value is 'src/main/resources/test.yaml' for easy IDE testing") .hasArg().build()); options.addOption(Option.builder("i").longOpt(INSTANCE).desc("Instance of the test; A default value is 1") .hasArg().build()); options.addOption(Option.builder("r").longOpt(REPORT) .desc("Location of the test report. A default value is 'target/report.csv'").hasArg().build()); CommandLine line = parser.parse(options, args); ObjectMapper mapper = new ObjectMapper(new YAMLFactory()); TestProfile test = mapper.readValue(new File(line.getOptionValue(CONFIG, "src/main/resources/test.yaml")), TestProfile.class); int instance = Integer.valueOf(line.getOptionValue(INSTANCE, "1")); test.setInstance(instance); String report = line.getOptionValue(REPORT, "target/report.csv"); test.setReport(new CSVReport(report)); LOG.info("Test '" + test.getName() + "' instance " + instance + " started"); final List<Driver> drivers = test.getDrivers(); ExecutorService executorService = Executors.newFixedThreadPool(drivers.size()); List<Future<Void>> results = executorService.invokeAll(drivers, test.getDuration(), TimeUnit.MILLISECONDS); executorService.shutdownNow(); executorService.awaitTermination(5, TimeUnit.SECONDS); results.forEach(result -> { try { result.get(); } catch (ExecutionException execution) { LOG.warn("Exception running driver", execution); } catch (Exception interrupted) { } }); drivers.forEach(driver -> { driver.stop(); try { test.getReport().print(driver); } catch (Exception e) { LOG.warn("Failed to write reports for the driver " + driver); } LOG.debug("Driver " + driver); LOG.debug("\t " + driver.getResult()); }); test.getReport().close(); LOG.info("Test '" + test.getName() + "' instance " + instance + " finished"); } }