Java tutorial
/** * GetDateValueRate.java This file is part of WattDepot. * * Copyright (C) 2014 Cam Moore * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.wattdepot.client.http.api.performance; import java.util.Timer; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.CommandLineParser; import org.apache.commons.cli.HelpFormatter; import org.apache.commons.cli.Options; import org.apache.commons.cli.ParseException; import org.apache.commons.cli.PosixParser; import org.wattdepot.common.exception.BadCredentialException; import org.wattdepot.common.exception.BadSensorUriException; import org.wattdepot.common.exception.IdNotFoundException; /** * GetDateValueRate - Starts up a process that get the value between two dates from the * WattDepot server at the given rate of measurements per second. * * @author Cam Moore * */ public class GetDateValueRate { /** * @param args command line arguments -s <server uri> -u <username> -p * <password> -o <orgId> -mps <measurementsPerSecond> [-d]. * @throws BadSensorUriException if there is a problem with the WattDepot * sensor definition. * @throws IdNotFoundException if there is a problem with the organization id. * @throws BadCredentialException if the credentials are not valid. */ public static void main(String[] args) throws BadCredentialException, IdNotFoundException, BadSensorUriException { Options options = new Options(); CommandLine cmd = null; String serverUri = null; String username = null; String organizationId = null; String password = null; Integer getsPerSec = null; boolean debug = false; options.addOption("h", false, "Usage: GetDateValueRate -s <server uri> -u <username>" + " -p <password> -o <orgId> -gps <getsPerSecond> [-d]"); options.addOption("s", "server", true, "WattDepot Server URI. (http://server.wattdepot.org)"); options.addOption("u", "username", true, "Username"); options.addOption("o", "organizationId", true, "User's Organization id."); options.addOption("p", "password", true, "Password"); options.addOption("gps", "getsPerSecond", true, "Number of gets per second."); options.addOption("d", "debug", false, "Displays statistics as the Measurements are stored."); CommandLineParser parser = new PosixParser(); HelpFormatter formatter = new HelpFormatter(); try { cmd = parser.parse(options, args); } catch (ParseException e) { System.err.println("Command line parsing failed. Reason: " + e.getMessage() + ". Exiting."); System.exit(1); } if (cmd.hasOption("h")) { formatter.printHelp("GetDateValueRate", options); System.exit(0); } if (cmd.hasOption("s")) { serverUri = cmd.getOptionValue("s"); } else { serverUri = "http://server.wattdepot.org/"; } if (cmd.hasOption("u")) { username = cmd.getOptionValue("u"); } else { username = "user"; } if (cmd.hasOption("p")) { password = cmd.getOptionValue("p"); } else { password = "default"; } if (cmd.hasOption("o")) { organizationId = cmd.getOptionValue("o"); } else { organizationId = "organization"; } if (cmd.hasOption("gps")) { getsPerSec = Integer.parseInt(cmd.getOptionValue("gps")); } else { getsPerSec = 13; } debug = cmd.hasOption("d"); if (debug) { System.out.println("Get Value(date) Rate:"); System.out.println(" WattDepotServer: " + serverUri); System.out.println(" Username: " + username); System.out.println(" OrganizationId: " + organizationId); System.out.println(" Password: ********"); System.out.println(" Gets/Sec: " + getsPerSec); } Timer t = new Timer("monitoring"); for (int i = 0; i < getsPerSec; i++) { t.schedule(new GetDateValueTask(serverUri, username, organizationId, password, debug), 0, 1000); } } }