List of usage examples for java.util.concurrent.atomic AtomicBoolean AtomicBoolean
public AtomicBoolean(boolean initialValue)
From source file:Main.java
public static void main(String[] argv) throws Exception { AtomicBoolean atomicBoolean = new AtomicBoolean(true); System.out.println(atomicBoolean); }
From source file:com.blockhaus2000.csvviewer.CsvViewerMain.java
public static void main(final String[] args) { try (final CSVParser parser = new CSVParser(new InputStreamReader(System.in), CSVFormat.DEFAULT)) { final Table table = new Table(); final Map<String, Integer> headerMap = parser.getHeaderMap(); if (headerMap != null) { final TableRow headerRow = new TableRow(); headerMap.keySet().forEach(headerData -> headerRow.addCell(new TableRowCell(headerData))); table.setHeaderRow(headerRow); }//from www .ja v a 2s.c om final AtomicBoolean asHeader = new AtomicBoolean(headerMap == null); parser.getRecords().forEach(record -> { final TableRow row = new TableRow(); record.forEach(rowData -> row.addCell(new TableRowCell(rowData))); if (asHeader.getAndSet(false)) { table.setHeaderRow(row); } else { table.addRow(row); } }); System.out.println(table.getFormattedString()); } catch (final IOException cause) { throw new RuntimeException("An error occurred whilst parsing stdin!", cause); } }
From source file:org.eclipse.swt.snippets.Snippet141.java
public static void main(String[] args) { display = new Display(); shell = new Shell(display); shell.setText("Snippet 141"); shell.setSize(300, 300);/* ww w. j a v a 2 s.co m*/ shell.open(); shellGC = new GC(shell); shellBackground = shell.getBackground(); FileDialog dialog = new FileDialog(shell); dialog.setFilterExtensions(new String[] { "*.gif" }); String fileName = dialog.open(); final AtomicBoolean stopAnimation = new AtomicBoolean(false); if (fileName != null) { loader = new ImageLoader(); try { imageDataArray = loader.load(fileName); if (imageDataArray.length > 1) { animateThread = new Thread("Animation") { @Override public void run() { /* Create an off-screen image to draw on, and fill it with the shell background. */ Image offScreenImage = new Image(display, loader.logicalScreenWidth, loader.logicalScreenHeight); GC offScreenImageGC = new GC(offScreenImage); offScreenImageGC.setBackground(shellBackground); offScreenImageGC.fillRectangle(0, 0, loader.logicalScreenWidth, loader.logicalScreenHeight); try { /* Create the first image and draw it on the off-screen image. */ int imageDataIndex = 0; ImageData imageData = imageDataArray[imageDataIndex]; if (image != null && !image.isDisposed()) image.dispose(); image = new Image(display, imageData); offScreenImageGC.drawImage(image, 0, 0, imageData.width, imageData.height, imageData.x, imageData.y, imageData.width, imageData.height); /* Now loop through the images, creating and drawing each one * on the off-screen image before drawing it on the shell. */ int repeatCount = loader.repeatCount; while ((loader.repeatCount == 0 || repeatCount > 0) && !stopAnimation.get()) { switch (imageData.disposalMethod) { case SWT.DM_FILL_BACKGROUND: /* Fill with the background color before drawing. */ Color bgColor = null; if (useGIFBackground && loader.backgroundPixel != -1) { bgColor = new Color(display, imageData.palette.getRGB(loader.backgroundPixel)); } offScreenImageGC.setBackground(bgColor != null ? bgColor : shellBackground); offScreenImageGC.fillRectangle(imageData.x, imageData.y, imageData.width, imageData.height); if (bgColor != null) bgColor.dispose(); break; case SWT.DM_FILL_PREVIOUS: /* Restore the previous image before drawing. */ offScreenImageGC.drawImage(image, 0, 0, imageData.width, imageData.height, imageData.x, imageData.y, imageData.width, imageData.height); break; } imageDataIndex = (imageDataIndex + 1) % imageDataArray.length; imageData = imageDataArray[imageDataIndex]; image.dispose(); image = new Image(display, imageData); offScreenImageGC.drawImage(image, 0, 0, imageData.width, imageData.height, imageData.x, imageData.y, imageData.width, imageData.height); /* Draw the off-screen image to the shell. */ shellGC.drawImage(offScreenImage, 0, 0); /* Sleep for the specified delay time (adding commonly-used slow-down fudge factors). */ try { int ms = imageData.delayTime * 10; if (ms < 20) ms += 30; if (ms < 30) ms += 10; Thread.sleep(ms); } catch (InterruptedException e) { } /* If we have just drawn the last image, decrement the repeat count and start again. */ if (imageDataIndex == imageDataArray.length - 1) repeatCount--; } } catch (SWTException ex) { System.out.println("There was an error animating the GIF"); } finally { if (offScreenImage != null && !offScreenImage.isDisposed()) offScreenImage.dispose(); if (offScreenImageGC != null && !offScreenImageGC.isDisposed()) offScreenImageGC.dispose(); if (image != null && !image.isDisposed()) image.dispose(); } } }; animateThread.setDaemon(true); animateThread.start(); } } catch (SWTException ex) { System.out.println("There was an error loading the GIF"); } } while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } stopAnimation.set(true); display.dispose(); }
From source file:accumulo.AccumuloStuff.java
public static void main(String[] args) throws Exception { File tmp = new File(System.getProperty("user.dir") + "/target/mac-test"); if (tmp.exists()) { FileUtils.deleteDirectory(tmp);/* www .j a v a 2 s . c om*/ } tmp.mkdirs(); String passwd = "password"; MiniAccumuloConfigImpl cfg = new MiniAccumuloConfigImpl(tmp, passwd); cfg.setNumTservers(1); // cfg.useMiniDFS(true); final MiniAccumuloClusterImpl cluster = cfg.build(); setCoreSite(cluster); cluster.start(); ExecutorService svc = Executors.newFixedThreadPool(2); try { Connector conn = cluster.getConnector("root", passwd); String table = "table"; conn.tableOperations().create(table); final BatchWriter bw = conn.createBatchWriter(table, new BatchWriterConfig()); final AtomicBoolean flushed = new AtomicBoolean(false); Runnable writer = new Runnable() { @Override public void run() { try { Mutation m = new Mutation("row"); m.put("colf", "colq", "value"); bw.addMutation(m); bw.flush(); flushed.set(true); } catch (Exception e) { log.error("Got exception trying to flush mutation", e); } log.info("Exiting batchwriter thread"); } }; Runnable restarter = new Runnable() { @Override public void run() { try { for (ProcessReference proc : cluster.getProcesses().get(ServerType.TABLET_SERVER)) { cluster.killProcess(ServerType.TABLET_SERVER, proc); } cluster.exec(TabletServer.class); } catch (Exception e) { log.error("Caught exception restarting tabletserver", e); } log.info("Exiting restart thread"); } }; svc.execute(writer); svc.execute(restarter); log.info("Waiting for shutdown"); svc.shutdown(); if (!svc.awaitTermination(120, TimeUnit.SECONDS)) { log.info("Timeout on shutdown exceeded"); svc.shutdownNow(); } else { log.info("Cleanly shutdown"); log.info("Threadpool is terminated? " + svc.isTerminated()); } if (flushed.get()) { log.info("****** BatchWriter was flushed *********"); } else { log.info("****** BatchWriter was NOT flushed *********"); } bw.close(); log.info("Got record {}", Iterables.getOnlyElement(conn.createScanner(table, Authorizations.EMPTY))); } finally { cluster.stop(); } }
From source file:com.easarrive.aws.plugins.common.service.impl.SimpleProducerConsumer.java
public static void main(String[] args) throws InterruptedException { final AWSCredentials credentials = new BasicAWSCredentials("AKIAIDPJMKK4UHLE3OVA", "A+cn+TT3tUs6xbto5k1IKkWwPLBq995aOkqKxZNY"); final String endpoint = "sqs.us-west-2.amazonaws.com"; final String queueName = "image"; final int producerCount = 10; final int consumerCount = 3; final int batchSize = 3; final int messageSizeByte = 10000; final int runTimeMinutes = 100; // configure the SQS client with enough connections for all producer and // consumer threads AmazonSQS sqsClient = new AmazonSQSClient(credentials, new ClientConfiguration().withMaxConnections(producerCount + consumerCount)); sqsClient.setEndpoint(endpoint);/* w ww . java2 s . com*/ String queueUrl = sqsClient.getQueueUrl(new GetQueueUrlRequest(queueName)).getQueueUrl(); // the flag to stop producer, consumer, and monitor threads AtomicBoolean stop = new AtomicBoolean(false); // start the producers final AtomicInteger producedCount = new AtomicInteger(); Thread[] producers = new Thread[producerCount]; for (int i = 0; i < producerCount; i++) { producers[i] = new BatchProducer(sqsClient, queueUrl, batchSize, messageSizeByte, producedCount, stop); producers[i].start(); } // start the consumers final AtomicInteger consumedCount = new AtomicInteger(); Thread[] consumers = new Thread[consumerCount]; for (int i = 0; i < consumerCount; i++) { consumers[i] = new BatchConsumer(sqsClient, queueUrl, batchSize, consumedCount, stop); consumers[i].start(); } // start the monitor (thread) Thread monitor = new Monitor(producedCount, consumedCount, stop); monitor.start(); // wait for the specified amount of time then stop Thread.sleep(TimeUnit.MINUTES.toMillis(Math.min(runTimeMinutes, MAX_RUNTIME_MINUTES))); stop.set(true); // join all threads for (int i = 0; i < producerCount; i++) producers[i].join(); for (int i = 0; i < consumerCount; i++) consumers[i].join(); monitor.interrupt(); monitor.join(); }
From source file:com.arpnetworking.tsdaggregator.TsdAggregator.java
/** * Entry point for Time Series Data (TSD) Aggregator. * * @param args the command line arguments *//*from w w w . j av a2 s . co m*/ public static void main(final String[] args) { LOGGER.info("Launching tsd-aggregator"); // Global initialization Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() { @Override public void uncaughtException(final Thread thread, final Throwable throwable) { LOGGER.error("Unhandled exception!", throwable); } }); Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() { @Override public void run() { final LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory(); context.stop(); } })); System.setProperty("org.vertx.logger-delegate-factory-class-name", "org.vertx.java.core.logging.impl.SLF4JLogDelegateFactory"); // Run the tsd aggregator if (args.length != 1) { throw new RuntimeException("No configuration file specified"); } LOGGER.debug(String.format("Loading configuration from file; file=%s", args[0])); final File configurationFile = new File(args[0]); final Configurator<TsdAggregator, TsdAggregatorConfiguration> configurator = new Configurator<>( TsdAggregator.class, TsdAggregatorConfiguration.class); final ObjectMapper objectMapper = TsdAggregatorConfiguration.createObjectMapper(); final DynamicConfiguration configuration = new DynamicConfiguration.Builder().setObjectMapper(objectMapper) .addSourceBuilder( new JsonNodeFileSource.Builder().setObjectMapper(objectMapper).setFile(configurationFile)) .addTrigger(new FileTrigger.Builder().setFile(configurationFile).build()).addListener(configurator) .build(); configuration.launch(); final AtomicBoolean isRunning = new AtomicBoolean(true); Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() { @Override public void run() { LOGGER.info("Stopping tsd-aggregator"); configuration.shutdown(); configurator.shutdown(); isRunning.set(false); } })); while (isRunning.get()) { try { Thread.sleep(30000); } catch (final InterruptedException e) { break; } } LOGGER.info("Exiting tsd-aggregator"); }
From source file:com.mapr.synth.Synth.java
public static void main(String[] args) throws IOException, CmdLineException, InterruptedException, ExecutionException { final Options opts = new Options(); CmdLineParser parser = new CmdLineParser(opts); try {/*from ww w . j a v a 2 s . c o m*/ parser.parseArgument(args); } catch (CmdLineException e) { System.err.println("Usage: " + "[ -count <number>G|M|K ] " + "-schema schema-file " + "[-quote DOUBLE_QUOTE|BACK_SLASH|OPTIMISTIC] " + "[-format JSON|TSV|CSV|XML ] " + "[-threads n] " + "[-output output-directory-name] "); throw e; } Preconditions.checkArgument(opts.threads > 0 && opts.threads <= 2000, "Must have at least one thread and no more than 2000"); if (opts.threads > 1) { Preconditions.checkArgument(!"-".equals(opts.output), "If more than on thread is used, you have to use -output to set the output directory"); } File outputDir = new File(opts.output); if (!"-".equals(opts.output)) { if (!outputDir.exists()) { Preconditions.checkState(outputDir.mkdirs(), String.format("Couldn't create output directory %s", opts.output)); } Preconditions.checkArgument(outputDir.exists() && outputDir.isDirectory(), String.format("Couldn't create directory %s", opts.output)); } if (opts.schema == null) { throw new IllegalArgumentException("Must specify schema file using [-schema filename] option"); } final SchemaSampler sampler = new SchemaSampler(opts.schema); final AtomicLong rowCount = new AtomicLong(); final List<ReportingWorker> tasks = Lists.newArrayList(); int limit = (opts.count + opts.threads - 1) / opts.threads; int remaining = opts.count; for (int i = 0; i < opts.threads; i++) { final int count = Math.min(limit, remaining); remaining -= count; tasks.add(new ReportingWorker(opts, sampler, rowCount, count, i)); } final double t0 = System.nanoTime() * 1e-9; ExecutorService pool = Executors.newFixedThreadPool(opts.threads); ScheduledExecutorService blinker = Executors.newScheduledThreadPool(1); final AtomicBoolean finalRun = new AtomicBoolean(false); final PrintStream sideLog = new PrintStream(new FileOutputStream("side-log")); Runnable blink = new Runnable() { public double oldT; private long oldN; @Override public void run() { double t = System.nanoTime() * 1e-9; long n = rowCount.get(); System.err.printf("%s\t%d\t%.1f\t%d\t%.1f\t%.3f\n", finalRun.get() ? "F" : "R", opts.threads, t - t0, n, n / (t - t0), (n - oldN) / (t - oldT)); for (ReportingWorker task : tasks) { ReportingWorker.ThreadReport r = task.report(); sideLog.printf("\t%d\t%.2f\t%.2f\t%.2f\t%.1f\t%.1f\n", r.fileNumber, r.threadTime, r.userTime, r.wallTime, r.rows / r.threadTime, r.rows / r.wallTime); } oldN = n; oldT = t; } }; if (!"-".equals(opts.output)) { blinker.scheduleAtFixedRate(blink, 0, 10, TimeUnit.SECONDS); } List<Future<Integer>> results = pool.invokeAll(tasks); int total = 0; for (Future<Integer> result : results) { total += result.get(); } Preconditions.checkState(total == opts.count, String .format("Expected to generate %d lines of output, but actually generated %d", opts.count, total)); pool.shutdownNow(); blinker.shutdownNow(); finalRun.set(true); sideLog.close(); blink.run(); }
From source file:com.dxc.temp.SimpleProducerConsumer.java
public static void main(String[] args) throws InterruptedException { int argIndex = 0; final String accessKey = args[argIndex++]; final String secretKey = args[argIndex++]; final AWSCredentials credentials = new BasicAWSCredentials(accessKey, secretKey); final String endpoint = args[argIndex++]; final String queueName = args[argIndex++]; final int producerCount = Integer.parseInt(args[argIndex++]); final int consumerCount = Integer.parseInt(args[argIndex++]); final int batchSize = Integer.parseInt(args[argIndex++]); final int messageSizeByte = Integer.parseInt(args[argIndex++]); final int runTimeMinutes = Integer.parseInt(args[argIndex++]); // configure the SQS client with enough connections for all producer and // consumer threads AmazonSQS sqsClient = new AmazonSQSClient(credentials, new ClientConfiguration().withMaxConnections(producerCount + consumerCount)); sqsClient.setEndpoint(endpoint);/* w w w. ja va2s . c o m*/ String queueUrl = sqsClient.getQueueUrl(new GetQueueUrlRequest(queueName)).getQueueUrl(); // the flag to stop producer, consumer, and monitor threads AtomicBoolean stop = new AtomicBoolean(false); // start the producers final AtomicInteger producedCount = new AtomicInteger(); Thread[] producers = new Thread[producerCount]; for (int i = 0; i < producerCount; i++) { if (batchSize == 1) producers[i] = new Producer(sqsClient, queueUrl, messageSizeByte, producedCount, stop); else producers[i] = new BatchProducer(sqsClient, queueUrl, batchSize, messageSizeByte, producedCount, stop); producers[i].start(); } // start the consumers final AtomicInteger consumedCount = new AtomicInteger(); Thread[] consumers = new Thread[consumerCount]; for (int i = 0; i < consumerCount; i++) { if (batchSize == 1) consumers[i] = new Consumer(sqsClient, queueUrl, consumedCount, stop); else consumers[i] = new BatchConsumer(sqsClient, queueUrl, batchSize, consumedCount, stop); consumers[i].start(); } // start the monitor (thread) Thread monitor = new Monitor(producedCount, consumedCount, stop); monitor.start(); // wait for the specified amount of time then stop Thread.sleep(TimeUnit.MINUTES.toMillis(Math.min(runTimeMinutes, MAX_RUNTIME_MINUTES))); stop.set(true); // join all threads for (int i = 0; i < producerCount; i++) producers[i].join(); for (int i = 0; i < consumerCount; i++) consumers[i].join(); monitor.interrupt(); monitor.join(); }
From source file:de.codesourcery.eve.skills.ui.utils.CalendarWidget.java
public static void main(String[] args) throws Exception { final SimpleDateFormat DF = new SimpleDateFormat("dd.MM"); final Calendar specialDate = Calendar.getInstance(); specialDate.add(Calendar.DAY_OF_MONTH, 5); final AtomicBoolean doStuff = new AtomicBoolean(false); final ICalendarRenderer renderer = new ICalendarRenderer() { @Override/*from w ww . ja v a2 s. co m*/ public String getDateLabel(Date date) { return DF.format(date); } @Override public String getText(Date date) { if (DateUtils.isSameDay(date, specialDate.getTime()) && doStuff.get()) { return "SPECIAL !!!"; } return "some\nmultiline\ntext"; } @Override public String getToolTip(Date date) { return getText(date); } @Override public Color getTextColor(Date date) { return Color.RED; } }; final JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.getContentPane().setLayout(new GridBagLayout()); final CalendarWidget widget = new CalendarWidget(new Date(), renderer); widget.addSelectionListener(new ISelectionListener<Date>() { @Override public void selectionChanged(Date selected) { System.out.println("Selected date > " + selected); } }); frame.getContentPane().add(widget, new ConstraintsBuilder().end()); frame.pack(); frame.setVisible(true); java.lang.Thread.sleep(2 * 1000); doStuff.set(true); widget.refreshDateLabel(specialDate.getTime()); }
From source file:Main.java
private static synchronized boolean isRunningTest() { if (null == isRunningTest) { boolean isTest; try {/* ww w .j av a 2 s. c o m*/ Class.forName("android.support.test.espresso.Espresso"); isTest = true; } catch (ClassNotFoundException e) { isTest = false; } isRunningTest = new AtomicBoolean(isTest); } return isRunningTest.get(); }