List of usage examples for java.util.concurrent.atomic AtomicReference AtomicReference
public AtomicReference(V initialValue)
From source file:org.bpmscript.process.hibernate.SpringHibernateInstanceManagerTest.java
public void testInstanceManagerSeparateThread() throws Exception { ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext( "/org/bpmscript/endtoend/spring.xml"); try {/*from w w w . j a v a 2 s. co m*/ final IInstanceManager instanceManager = (IInstanceManager) context.getBean("instanceManager"); final String pid1 = instanceManager.createInstance("parentVersion", "definitionId", "test", IJavascriptProcessDefinition.DEFINITION_TYPE_JAVASCRIPT, "one"); IInstance instance = instanceManager.getInstance(pid1); assertNotNull(instance); instanceManager.createInstance("parentVersion", "definitionId", "test", IJavascriptProcessDefinition.DEFINITION_TYPE_JAVASCRIPT, "two"); ExecutorService executorService = Executors.newFixedThreadPool(2); final AtomicReference<Queue<String>> results = new AtomicReference<Queue<String>>( new LinkedList<String>()); Future<Object> future1 = executorService.submit(new Callable<Object>() { public Object call() throws Exception { return instanceManager.doWithInstance(pid1, new IInstanceCallback() { public IExecutorResult execute(IInstance instance) throws Exception { log.info("locking one"); Thread.sleep(2000); results.get().add("one"); return new IgnoredResult("", "", ""); } }); } }); Thread.sleep(100); assertNotNull(future1.get()); } finally { context.destroy(); } }
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 -> {/*from ww w. ja v a 2s .c o m*/ 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:org.workspace7.moviestore.controller.ShoppingCartController.java
/** * @param modelAndView//from www . j a v a2 s . c om * @param session * @param response * @return */ @GetMapping("/cart/show") public ModelAndView showCart(ModelAndView modelAndView, HttpSession session, HttpServletResponse response) { final String hostname = System.getenv().getOrDefault("HOSTNAME", "unknown"); modelAndView.addObject("hostname", hostname); MovieCart movieCart = (MovieCart) session.getAttribute(SESSION_ATTR_MOVIE_CART); log.info("Showing Cart {}", movieCart); if (movieCart != null) { modelAndView.addObject("movieCart", movieCart); AtomicReference<Double> cartTotal = new AtomicReference<>(0.0); Map<String, Integer> movieItems = movieCart.getMovieItems(); List<MovieCartItem> cartMovies = movieCart.getMovieItems().keySet().stream().map(movieId -> { Movie movie = movieDBHelper.query(movieId); int quantity = movieItems.get(movieId); double total = quantity * movie.getPrice(); cartTotal.updateAndGet(aDouble -> aDouble + total); log.info("Movie:{} total for {} items is {}", movie, quantity, total); return MovieCartItem.builder().movie(movie).quantity(quantity).total(total).build(); }).collect(Collectors.toList()); modelAndView.addObject("cartItems", cartMovies); modelAndView.addObject("cartCount", cartMovies.size()); modelAndView.addObject("cartTotal", "" + DecimalFormat.getCurrencyInstance(Locale.US).format(cartTotal.get())); modelAndView.setViewName("cart"); } else { modelAndView.setViewName("redirect:/"); } return modelAndView; }
From source file:com.microsoft.tfs.core.clients.versioncontrol.engines.internal.BaselineFileDownloadOutput.java
/** * {@inheritDoc}/*from ww w .j av a 2 s . c o m*/ */ @Override public synchronized OutputStream getOutputStream() throws IOException { if (outputStream == null) { final String contentType = getActualContentType(); Check.notNull(contentType, "Cannot open output stream until actual content type is set"); //$NON-NLS-1$ String path = baselineFileNoSuffix.getAbsolutePath(); if (contentType.equals(DownloadContentTypes.APPLICATION_GZIP)) { path = path + BaselineFolder.getGzipExtension(); } else if (contentType.equals(DownloadContentTypes.APPLICATION_OCTET_STREAM)) { path = path + BaselineFolder.getRawExtension(); } else { throw new VersionControlException(MessageFormat.format( Messages.getString("VersionControlClient.UnsupportedContentTypeFormat"), //$NON-NLS-1$ contentType)); } final AtomicBoolean tempCreated = new AtomicBoolean(); final AtomicReference<String> pathReference = new AtomicReference<String>(path); outputStream = BaselineFolderCollection.createFile(pathReference, true, null /* ignored */, tempCreated); path = pathReference.get(); outputStreamFile = new File(path); tempFileCreatedInsteadOfBaseline = tempCreated.get(); } return outputStream; }
From source file:io.spring.initializr.metadata.Link.java
/** * Expand the link using the specified parameters. * @param parameters the parameters value * @return an URI where all variables have been expanded *//*www .j a va 2 s .c om*/ public URI expand(Map<String, String> parameters) { AtomicReference<String> result = new AtomicReference<>(href); templateVariables.forEach(var -> { Object value = parameters.get(var); if (value == null) { throw new IllegalArgumentException( "Could not expand " + href + ", missing value for '" + var + "'"); } result.set(result.get().replace("{" + var + "}", value.toString())); }); try { return new URI(result.get()); } catch (URISyntaxException e) { throw new IllegalStateException("Invalid URL", e); } }
From source file:com.codeabovelab.dm.cluman.job.AbstractJobInstance.java
public AbstractJobInstance(Config config) { Assert.notNull(config.parameters, "parameters is null"); Assert.notNull(config.job, "job is null"); Assert.notNull(config.jobsManager, "jobsManager is null"); Assert.notNull(config.info, "info is null"); this.jobContext = new JobContext(this, config.parameters); this.infoRef = new AtomicReference<>(config.info); this.manager = config.jobsManager; // create wait future with stub this.atEndFuture = SettableFuture.create(); this.job = config.job; this.authentication = config.authentication; this.watcher = config.watcher; this.cancelFuture = ListenableFutureTask.create(this::innerCancel); this.startFuture = ListenableFutureTask.create(this::innerStart); }
From source file:com.amazon.alexa.avs.NotificationManager.java
NotificationManager(NotificationIndicator indicator, SimpleAudioPlayer audioPlayer, BasicHttpClient httpClient,
FileDataStore<NotificationsStatePayload> dataStore) {
this.notificationIndicator = indicator;
this.player = audioPlayer;
this.assets = Collections.synchronizedMap(new HashMap<String, File>());
this.indicatorExecutor = Executors.newSingleThreadExecutor();
this.assetDownloader = Executors.newCachedThreadPool();
this.allowPersistentIndicator = new AtomicBoolean(true);
this.httpClient = httpClient;
this.isSetIndicatorPersisted = new AtomicBoolean(false);
this.indicatorStatus = Status.NONE;
this.dataStore = dataStore;
this.indicatorFutures = Collections.synchronizedSet(new HashSet<Future<?>>());
this.activeAudioAsset = new AtomicReference<String>("");
this.resLoader = Thread.currentThread().getContextClassLoader();
}
From source file:com.bigdata.rdf.sparql.ast.service.ServiceRegistry.java
protected ServiceRegistry() { services = new ConcurrentHashMap<URI, ServiceFactory>(); customServices = new CopyOnWriteArrayList<CustomServiceFactory>(); aliases = new ConcurrentHashMap<URI, URI>(); defaultServiceFactoryRef = new AtomicReference<ServiceFactory>( new RemoteServiceFactoryImpl(SPARQLVersion.SPARQL_11)); // Add the Bigdata search service. add(BDS.SEARCH, new SearchServiceFactory()); // Add the Geospatial search service. add(GeoSpatial.SEARCH, new GeoSpatialServiceFactory()); // Add the external Solr search service add(FTS.SEARCH, new FulltextSearchServiceFactory()); // Add the Bigdata search in search service. add(BDS.SEARCH_IN_SEARCH, new SearchInSearchServiceFactory()); // Add the sample index service. add(SampleServiceFactory.SERVICE_KEY, new SampleServiceFactory()); // Add the slice index service. add(SliceServiceFactory.SERVICE_KEY, new SliceServiceFactory()); // Add the values service. add(ValuesServiceFactory.SERVICE_KEY, new ValuesServiceFactory()); if (QueryHints.DEFAULT_DESCRIBE_CACHE) { add(new URIImpl(BD.NAMESPACE + "describe"), new DescribeServiceFactory()); }/*from w ww.j a va 2 s . c om*/ if (true) { /** * @see <a * href="https://sourceforge.net/apps/trac/bigdata/ticket/607"> * HISTORY SERVICE </a> */ add(new URIImpl(BD.NAMESPACE + "history"), new HistoryServiceFactory()); /** * Replacing with a history service using RDR instead of a custom * index. */ add(new URIImpl(BD.NAMESPACE + "rdrhistory"), new RDRHistoryServiceFactory()); } // The Gather-Apply-Scatter RDF Graph Mining service. add(GASService.Options.SERVICE_KEY, new GASService()); }
From source file:com.microsoft.tfs.core.TFSConfigurationServer.java
/** * The most complete way of creating a {@link TFSConfigurationServer}. A * {@link URI}, {@link Credentials} and a {@link ConnectionAdvisor} are * specified./* www . ja v a 2 s. c om*/ * * @param serverURI * the {@link URI} to connect to (must not be <code>null</code>) * @param credentials * the {@link Credentials} to connect with * @param advisor * the {@link ConnectionAdvisor} to use (must not be * <code>null</code>) */ public TFSConfigurationServer(final URI serverURI, final Credentials credentials, final ConnectionAdvisor advisor) { this(serverURI, new AtomicReference<Credentials>(credentials), advisor); }
From source file:com.netflix.curator.ensemble.exhibitor.TestExhibitorEnsembleProvider.java
@Test public void testChanging() throws Exception { TestingServer secondServer = new TestingServer(); try {/*from w ww . j a v a2 s . c o m*/ String mainConnectionString = "count=1&port=" + server.getPort() + "&server0=localhost"; String secondConnectionString = "count=1&port=" + secondServer.getPort() + "&server0=localhost"; final Semaphore semaphore = new Semaphore(0); final AtomicReference<String> connectionString = new AtomicReference<String>(mainConnectionString); Exhibitors exhibitors = new Exhibitors(Lists.newArrayList("foo", "bar"), 1000, dummyConnectionStringProvider); ExhibitorRestClient mockRestClient = new ExhibitorRestClient() { @Override public String getRaw(String hostname, int port, String uriPath, String mimeType) throws Exception { semaphore.release(); return connectionString.get(); } }; ExhibitorEnsembleProvider provider = new ExhibitorEnsembleProvider(exhibitors, mockRestClient, "/foo", 10, new RetryOneTime(1)); provider.pollForInitialEnsemble(); Timing timing = new Timing().multiple(4); final CuratorZookeeperClient client = new CuratorZookeeperClient(provider, timing.session(), timing.connection(), null, new RetryOneTime(2)); client.start(); try { RetryLoop.callWithRetry(client, new Callable<Object>() { @Override public Object call() throws Exception { client.getZooKeeper().create("/test", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); return null; } }); connectionString.set(secondConnectionString); semaphore.drainPermits(); semaphore.acquire(); server.stop(); // create situation where the current zookeeper gets a sys-disconnected Stat stat = RetryLoop.callWithRetry(client, new Callable<Stat>() { @Override public Stat call() throws Exception { return client.getZooKeeper().exists("/test", false); } }); Assert.assertNull(stat); // it's a different server so should be null } finally { client.close(); } } finally { IOUtils.closeQuietly(secondServer); } }