Example usage for java.util.concurrent.atomic AtomicBoolean set

List of usage examples for java.util.concurrent.atomic AtomicBoolean set

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Introduction

In this page you can find the example usage for java.util.concurrent.atomic AtomicBoolean set.

Prototype

public final void set(boolean newValue)

Source Link

Document

Sets the value to newValue , with memory effects as specified by VarHandle#setVolatile .

Usage

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   w  ww . ja  v  a2  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:org.apache.pulsar.testclient.ManagedLedgerWriter.java

public static void main(String[] args) throws Exception {

    final Arguments arguments = new Arguments();
    JCommander jc = new JCommander(arguments);
    jc.setProgramName("pulsar-perf-producer");

    try {//ww  w.  j  a  v a2s  .  c om
        jc.parse(args);
    } catch (ParameterException e) {
        System.out.println(e.getMessage());
        jc.usage();
        System.exit(-1);
    }

    if (arguments.help) {
        jc.usage();
        System.exit(-1);
    }

    arguments.testTime = TimeUnit.SECONDS.toMillis(arguments.testTime);

    // Dump config variables
    ObjectMapper m = new ObjectMapper();
    ObjectWriter w = m.writerWithDefaultPrettyPrinter();
    log.info("Starting Pulsar managed-ledger perf writer with config: {}", w.writeValueAsString(arguments));

    byte[] payloadData = new byte[arguments.msgSize];
    ByteBuf payloadBuffer = PooledByteBufAllocator.DEFAULT.directBuffer(arguments.msgSize);
    payloadBuffer.writerIndex(arguments.msgSize);

    // Now processing command line arguments
    String managedLedgerPrefix = "test-" + DigestUtils.sha1Hex(UUID.randomUUID().toString()).substring(0, 5);

    ClientConfiguration bkConf = new ClientConfiguration();
    bkConf.setUseV2WireProtocol(true);
    bkConf.setAddEntryTimeout(30);
    bkConf.setReadEntryTimeout(30);
    bkConf.setThrottleValue(0);
    bkConf.setNumChannelsPerBookie(arguments.maxConnections);
    bkConf.setZkServers(arguments.zookeeperServers);

    ManagedLedgerFactoryConfig mlFactoryConf = new ManagedLedgerFactoryConfig();
    mlFactoryConf.setMaxCacheSize(0);
    ManagedLedgerFactory factory = new ManagedLedgerFactoryImpl(bkConf, mlFactoryConf);

    ManagedLedgerConfig mlConf = new ManagedLedgerConfig();
    mlConf.setEnsembleSize(arguments.ensembleSize);
    mlConf.setWriteQuorumSize(arguments.writeQuorum);
    mlConf.setAckQuorumSize(arguments.ackQuorum);
    mlConf.setMinimumRolloverTime(10, TimeUnit.MINUTES);
    mlConf.setMetadataEnsembleSize(arguments.ensembleSize);
    mlConf.setMetadataWriteQuorumSize(arguments.writeQuorum);
    mlConf.setMetadataAckQuorumSize(arguments.ackQuorum);
    mlConf.setDigestType(arguments.digestType);
    mlConf.setMaxSizePerLedgerMb(2048);

    List<CompletableFuture<ManagedLedger>> futures = new ArrayList<>();

    for (int i = 0; i < arguments.numManagedLedgers; i++) {
        String name = String.format("%s-%03d", managedLedgerPrefix, i);
        CompletableFuture<ManagedLedger> future = new CompletableFuture<>();
        futures.add(future);
        factory.asyncOpen(name, mlConf, new OpenLedgerCallback() {

            @Override
            public void openLedgerComplete(ManagedLedger ledger, Object ctx) {
                future.complete(ledger);
            }

            @Override
            public void openLedgerFailed(ManagedLedgerException exception, Object ctx) {
                future.completeExceptionally(exception);
            }
        }, null);
    }

    List<ManagedLedger> managedLedgers = futures.stream().map(CompletableFuture::join)
            .collect(Collectors.toList());

    log.info("Created {} managed ledgers", managedLedgers.size());

    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            printAggregatedStats();
        }
    });

    Collections.shuffle(managedLedgers);
    AtomicBoolean isDone = new AtomicBoolean();

    List<List<ManagedLedger>> managedLedgersPerThread = Lists.partition(managedLedgers,
            Math.max(1, managedLedgers.size() / arguments.numThreads));

    for (int i = 0; i < arguments.numThreads; i++) {
        List<ManagedLedger> managedLedgersForThisThread = managedLedgersPerThread.get(i);
        int nunManagedLedgersForThisThread = managedLedgersForThisThread.size();
        long numMessagesForThisThread = arguments.numMessages / arguments.numThreads;
        int maxOutstandingForThisThread = arguments.maxOutstanding;

        executor.submit(() -> {
            try {
                final double msgRate = arguments.msgRate / (double) arguments.numThreads;
                final RateLimiter rateLimiter = RateLimiter.create(msgRate);

                // Acquire 1 sec worth of messages to have a slower ramp-up
                rateLimiter.acquire((int) msgRate);
                final long startTime = System.currentTimeMillis();

                final Semaphore semaphore = new Semaphore(maxOutstandingForThisThread);

                final AddEntryCallback addEntryCallback = new AddEntryCallback() {
                    @Override
                    public void addComplete(Position position, Object ctx) {
                        long sendTime = (Long) (ctx);
                        messagesSent.increment();
                        bytesSent.add(payloadData.length);

                        long latencyMicros = NANOSECONDS.toMicros(System.nanoTime() - sendTime);
                        recorder.recordValue(latencyMicros);
                        cumulativeRecorder.recordValue(latencyMicros);

                        semaphore.release();
                    }

                    @Override
                    public void addFailed(ManagedLedgerException exception, Object ctx) {
                        log.warn("Write error on message", exception);
                        System.exit(-1);
                    }
                };

                // Send messages on all topics/producers
                long totalSent = 0;
                while (true) {
                    for (int j = 0; j < nunManagedLedgersForThisThread; j++) {
                        if (arguments.testTime > 0) {
                            if (System.currentTimeMillis() - startTime > arguments.testTime) {
                                log.info("------------------- DONE -----------------------");
                                printAggregatedStats();
                                isDone.set(true);
                                Thread.sleep(5000);
                                System.exit(0);
                            }
                        }

                        if (numMessagesForThisThread > 0) {
                            if (totalSent++ >= numMessagesForThisThread) {
                                log.info("------------------- DONE -----------------------");
                                printAggregatedStats();
                                isDone.set(true);
                                Thread.sleep(5000);
                                System.exit(0);
                            }
                        }

                        semaphore.acquire();
                        rateLimiter.acquire();

                        final long sendTime = System.nanoTime();
                        managedLedgersForThisThread.get(j).asyncAddEntry(payloadBuffer, addEntryCallback,
                                sendTime);
                    }
                }
            } catch (Throwable t) {
                log.error("Got error", t);
            }
        });
    }

    // Print report stats
    long oldTime = System.nanoTime();

    Histogram reportHistogram = null;

    while (true) {
        try {
            Thread.sleep(10000);
        } catch (InterruptedException e) {
            break;
        }

        if (isDone.get()) {
            break;
        }

        long now = System.nanoTime();
        double elapsed = (now - oldTime) / 1e9;

        double rate = messagesSent.sumThenReset() / elapsed;
        double throughput = bytesSent.sumThenReset() / elapsed / 1024 / 1024 * 8;

        reportHistogram = recorder.getIntervalHistogram(reportHistogram);

        log.info(
                "Throughput produced: {}  msg/s --- {} Mbit/s --- Latency: mean: {} ms - med: {} - 95pct: {} - 99pct: {} - 99.9pct: {} - 99.99pct: {} - Max: {}",
                throughputFormat.format(rate), throughputFormat.format(throughput),
                dec.format(reportHistogram.getMean() / 1000.0),
                dec.format(reportHistogram.getValueAtPercentile(50) / 1000.0),
                dec.format(reportHistogram.getValueAtPercentile(95) / 1000.0),
                dec.format(reportHistogram.getValueAtPercentile(99) / 1000.0),
                dec.format(reportHistogram.getValueAtPercentile(99.9) / 1000.0),
                dec.format(reportHistogram.getValueAtPercentile(99.99) / 1000.0),
                dec.format(reportHistogram.getMaxValue() / 1000.0));

        reportHistogram.reset();

        oldTime = now;
    }

    factory.shutdown();
}

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);/*from  w w w . j  av  a 2s  .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:Main.java

private static boolean deleteFileWithExceptsInner(File file, String suffix, String[] exceptFileNames,
        AtomicBoolean excepted) {
    String fileName = file.getName().toLowerCase(Locale.US);
    if (canDeleteWithSuffixInner(fileName, suffix) && !equalsFileNamesInner(fileName, exceptFileNames)) {
        return file.delete();
    } else {//from   ww w.  ja  va2  s .  c om
        if (excepted != null)
            excepted.set(true);
    }
    return true;
}

From source file:kn.uni.gis.foxhunt.context.GameContext.java

public static boolean isGameActive() {
    final AtomicBoolean bool = new AtomicBoolean(false);
    HttpContext.getInstance().get(currentGame.getGameUrl().toString(), new EntityHandlerAdapter() {
        @Override//ww w .j a v  a2s.  com
        public void handleEntity(HttpEntity entity, int statusCode) {
            bool.set(statusCode == HttpStatus.SC_OK);
        }
    });

    return bool.get();
}

From source file:com.opinionlab.woa.WallOfAwesome.java

private static SockJSHandler makeEventStream(Vertx vertx) {
    final SockJSHandlerOptions options = new SockJSHandlerOptions().setHeartbeatInterval(2000);
    final SockJSHandler sockJSHandler = SockJSHandler.create(vertx, options);

    sockJSHandler.socketHandler(socket -> {
        final AtomicInteger openCount = new AtomicInteger();
        final AtomicBoolean running = new AtomicBoolean(true);
        LOGGER.info(format("[OPEN] Sockets: %d", openCount.incrementAndGet()));

        socket.endHandler(aVoid -> {/*www  .ja  v  a  2 s . c  om*/
            running.set(false);
            LOGGER.info(format("[CLOSE] Sockets: %d", openCount.decrementAndGet()));
        });

        socket.handler(buffer -> {
            String command = buffer.toString();
            if ("purge".equals(command)) {
                EXECUTOR.execute(() -> {
                    try {
                        AwesomeImap.purge(s -> socket.write(buffer(objectToJson(
                                HashTreePMap.empty().plus("deleted", true).plus("id", s.getId()), NO_TYPES))));
                    } catch (NoSuchProviderException e) {
                        LOGGER.error("Could not purge messages", e);
                    }
                });
            } else {
                LOGGER.error(format("Unknown command: %s", command));
            }
        });

        try {
            final AtomicReference<Date> latestDate = new AtomicReference<>(new Date(0));

            Consumer<Awesome> publishAwesome = awesome -> {
                socket.write(buffer(objectToJson(awesome, NO_TYPES)));

                final Date receivedDate = awesome.getReceivedDate();
                if (latestDate.get().before(receivedDate)) {
                    latestDate.set(receivedDate);
                }
            };
            AwesomeImap.fetchAwesome().forEach(publishAwesome);

            EXECUTOR.execute(() -> {
                LOGGER.info("Polling started.");
                try {
                    while (running.get()) {
                        AwesomeImap.fetchAwesomeSince(latestDate.get()).forEach(publishAwesome);
                        Thread.sleep(1000);
                    }
                } catch (Throwable t) {
                    running.set(false);
                    socket.close();
                    LOGGER.error("Polling ended ABNORMALLY", t);
                } finally {
                    LOGGER.info("Polling ended normally.");
                }
            });
        } catch (MessagingException e) {
            LOGGER.error("Unable to fetch messages.", e);
        }
    });
    return sockJSHandler;
}

From source file:io.github.jeddict.jpa.modeler.properties.convert.ConvertPanel.java

static void importAttributeConverter(String classHandle, AtomicBoolean validated, ModelerFile modelerFile) {
    if (StringUtils.isBlank(classHandle)) {
        validated.set(true);
        return;//  w  w  w.j  ava  2s  .  co  m
    }
    FileObject pkg = findSourceGroupForFile(modelerFile.getFileObject()).getRootFolder();
    try {
        JavaSource javaSource = JavaSource.create(ClasspathInfo.create(pkg));
        javaSource.runUserActionTask(controller -> {
            try {
                controller.toPhase(JavaSource.Phase.ELEMENTS_RESOLVED);
                TypeElement jc = controller.getElements().getTypeElement(classHandle);
                EntityMappings entityMappings = (EntityMappings) modelerFile.getDefinitionElement();
                Optional<Converter> converter = entityMappings.findConverter(classHandle);
                if (jc != null) {
                    DeclaredType attributeConverterType = null;
                    if (!jc.getInterfaces().isEmpty()) { //fetch interface info
                        for (TypeMirror interfaceType : jc.getInterfaces()) {
                            if (interfaceType.getKind() == TypeKind.DECLARED && AttributeConverter.class
                                    .getName().equals(((DeclaredType) interfaceType).asElement().toString())) {
                                attributeConverterType = (DeclaredType) interfaceType;
                            }
                        }
                    }
                    if (attributeConverterType != null
                            && attributeConverterType.getTypeArguments().size() == 2) {
                        TypeMirror attributeType = attributeConverterType.getTypeArguments().get(0);
                        TypeMirror dbFieldType = attributeConverterType.getTypeArguments().get(1);
                        if (!entityMappings.addConverter(classHandle, attributeType.toString(),
                                dbFieldType.toString())) {
                            message("MSG_ATTRIBUTE_CONVERTER_TYPE_CONFLICT", classHandle);
                        } else {
                            if (!converter.isPresent()) {
                                message("MSG_ATTRIBUTE_CONVERTER_TYPE_REGISTERED", classHandle,
                                        attributeType.toString(), dbFieldType.toString());
                            }
                            validated.set(true);
                        }
                    } else {
                        message("MSG_ATTRIBUTE_CONVERTER_NOT_IMPLEMENTED", classHandle);
                    }
                } else {
                    if (converter.isPresent()) {
                        validated.set(true);
                    } else {
                        message("MSG_ARTIFACT_NOT_FOUND", classHandle, pkg.getPath());
                    }
                }
            } catch (IOException t) {
                ExceptionUtils.printStackTrace(t);
            }
        }, true);
    } catch (IOException ex) {
        Exceptions.printStackTrace(ex);
    }
}

From source file:com.google.gerrit.server.documentation.MarkdownFormatter.java

private static String readPegdownCss(AtomicBoolean file) throws IOException {
    String name = "pegdown.css";
    URL url = MarkdownFormatter.class.getResource(name);
    if (url == null) {
        throw new FileNotFoundException("Resource " + name);
    }//from  w  w w .  java2  s  .  co  m
    file.set("file".equals(url.getProtocol()));
    try (InputStream in = url.openStream(); TemporaryBuffer.Heap tmp = new TemporaryBuffer.Heap(128 * 1024)) {
        tmp.copy(in);
        return new String(tmp.toByteArray(), UTF_8);
    }
}

From source file:com.offbynull.portmapper.common.ProcessUtils.java

/**
 * Run a process and dump the stdout stream to a string.
 * @param timeout maximum amount of time the process can take to run
 * @param command command//from   w  w  w  . java 2s . co  m
 * @param args arguments
 * @return stdout from the process dumped to a string
 * @throws IOException if the process encounters an error
 * @throws NullPointerException if any arguments are {@code null} or contains {@code null}
 * @throws IllegalArgumentException any numeric argument is negative
 */
public static String runProcessAndDumpOutput(long timeout, String command, String... args) throws IOException {
    Validate.notNull(command);
    Validate.noNullElements(args);
    Validate.inclusiveBetween(0L, Long.MAX_VALUE, timeout);

    String[] pbCmd = new String[args.length + 1];
    pbCmd[0] = command;
    System.arraycopy(args, 0, pbCmd, 1, args.length);

    ProcessBuilder builder = new ProcessBuilder(pbCmd);

    final AtomicBoolean failedFlag = new AtomicBoolean();

    Timer timer = new Timer("Process timeout timer", true);
    Process proc = null;
    try {
        proc = builder.start();

        final Process finalProc = proc;
        timer.schedule(new TimerTask() {

            @Override
            public void run() {
                failedFlag.set(true);
                finalProc.destroy();
            }
        }, timeout);

        String ret = IOUtils.toString(proc.getInputStream());
        if (failedFlag.get()) {
            throw new IOException("Process failed");
        }

        return ret;
    } finally {
        if (proc != null) {
            proc.destroy();
        }
        timer.cancel();
        timer.purge();
    }
}

From source file:org.apache.hadoop.hbase.client.TestZKAsyncRegistry.java

static void waitUntilAllReplicasHavingRegionLocation(TableName tbl) throws IOException {
    TEST_UTIL.waitFor(TEST_UTIL.getConfiguration().getLong("hbase.client.sync.wait.timeout.msec", 60000), 200,
            true, new ExplainingPredicate<IOException>() {
                @Override//from w ww. java 2 s  .  co m
                public String explainFailure() throws IOException {
                    return TEST_UTIL.explainTableAvailability(tbl);
                }

                @Override
                public boolean evaluate() throws IOException {
                    AtomicBoolean ready = new AtomicBoolean(true);
                    try {
                        RegionLocations locs = REGISTRY.getMetaRegionLocation().get();
                        assertEquals(3, locs.getRegionLocations().length);
                        IntStream.range(0, 3).forEach(i -> {
                            HRegionLocation loc = locs.getRegionLocation(i);
                            if (loc == null) {
                                ready.set(false);
                            }
                        });
                    } catch (Exception e) {
                        ready.set(false);
                    }
                    return ready.get();
                }
            });
}