java.util.concurrent.Callable Java Examples
The following examples show how to use
java.util.concurrent.Callable.
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Example #1
Source File: Basic.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
/** * That method starts a set of threads, each thread sends a given number of * notifications. * The number of threads can be set via the attribute numOfNotificationSenders. * The number of notification sent by each thread can be set via * the attribute numOfNotificationSenderLoops. * Depending on the parameter customNotification we send either custom * notification(s) or MBeanServer registration and unregistration notification(s). * When customNotification=true the total number of notification(s) sent is * (numOfNotificationSenders * numOfNotificationSenderLoops). They are * sequentially of type NOTIF_TYPE_0 then NOTIF_TYPE_1 and so on. * * When customNotification=false the total number of notification(s) sent is * (numOfNotificationSenders * numOfNotificationSenderLoops) registration * notification(s) * + * (numOfNotificationSenders * numOfNotificationSenderLoops) unregistration * notification(s) * * @throws java.lang.Exception */ public void sendNotificationWave(boolean customNotification) throws Exception { // Build the set of notification sender. Collection<Callable<Integer>> tasks = new HashSet<Callable<Integer>>(numOfNotificationSenders); for (int i = 1; i <= numOfNotificationSenders; i++) { tasks.add(new NotifSender(numOfNotificationSenderLoops, customNotification, i)); } // Start all notification sender in parallel. ExecutorService execServ = null; try { execServ = Executors.newFixedThreadPool(numOfNotificationSenders); List<Future<Integer>> taskHandlers = execServ.invokeAll(tasks); checkNotifSenderThreadStatus(taskHandlers); } finally { if (!execServ.isShutdown()) { execServ.shutdown(); } } }
Example #2
Source File: CachingArtifactResolvingHelper.java From thorntail with Apache License 2.0 | 6 votes |
private Set<ArtifactSpec> resolveInParallel(Collection<ArtifactSpec> toResolve) throws InterruptedException { ExecutorService threadPool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * 10); List<Callable<ArtifactSpec>> callable = toResolve.stream() .map(spec -> (Callable<ArtifactSpec>) (() -> this.resolve(spec))) .collect(Collectors.toList()); List<Future<ArtifactSpec>> futures = threadPool.invokeAll( callable ); Set<ArtifactSpec> result = futures.stream() .map(this::safeGet) .filter(Objects::nonNull) .collect(Collectors.toSet()); threadPool.shutdown(); return result; }
Example #3
Source File: SecurityInvocationHandlerTest.java From development with Apache License 2.0 | 6 votes |
@Before public void setup() { sessionContext = new TestSessionContext(null, null); callable = new Callable<Object>() { @Override public Void call() { return null; } }; ctx = new IInvocationCtx() { @Override public TransactionManager getTransactionManager() { return null; } @Override public boolean isApplicationException(Exception e) { return false; } }; }
Example #4
Source File: ForkJoinPoolTest.java From streamsupport with GNU General Public License v2.0 | 6 votes |
/** * timed invokeAll(null time unit) throws NullPointerException */ public void testTimedInvokeAllNullTimeUnit() throws Throwable { ExecutorService e = new ForkJoinPool(1); PoolCleaner cleaner = null; try { cleaner = cleaner(e); List<Callable<String>> l = new ArrayList<>(); l.add(new StringTask()); try { e.invokeAll(l, randomTimeout(), null); shouldThrow(); } catch (NullPointerException success) {} } finally { if (cleaner != null) { cleaner.close(); } } }
Example #5
Source File: SubscriptionDaoIT_Paging_Filtering_Supplier.java From development with Apache License 2.0 | 6 votes |
@Test public void getSubscriptionsForMyCustomersFilteredByServiceIDNoSubscriptionReturned() throws Exception { // given final String not_existing_service_id = "not existing"; final int expected = 0; Set<Filter> filterSet = createFilterSet(null, null, null, null, not_existing_service_id); final Pagination pagination = createPagination(0, NUM_CUSTOMER_SUBSCRIPTIONS, null, filterSet); // when List<Subscription> result = runTX(new Callable<List<Subscription>>() { @Override public List<Subscription> call() throws Exception { return dao.getSubscriptionsForMyCustomers(supplierUser, states, pagination); } }); // then assertEquals(expected, result.size()); }
Example #6
Source File: JdbcThinTransactionsWithMvccEnabledSelfTest.java From ignite with Apache License 2.0 | 6 votes |
/** * Test that exception in one of the statements does not kill connection worker altogether. * @throws SQLException if failed. */ @Test public void testExceptionHandling() throws SQLException { try (Connection c = c(true, NestedTxMode.ERROR)) { try (Statement s = c.createStatement()) { s.execute("INSERT INTO INTS(k, v) values(1, 1)"); assertEquals(1, grid(0).cache("ints").get(1)); GridTestUtils.assertThrows(null, new Callable<Void>() { @Override public Void call() throws Exception { s.execute("INSERT INTO INTS(x, y) values(1, 1)"); return null; } }, SQLException.class, "Failed to parse query"); s.execute("INSERT INTO INTS(k, v) values(2, 2)"); assertEquals(2, grid(0).cache("ints").get(2)); } } }
Example #7
Source File: DefaultTaskInputs.java From Pushjet-Android with BSD 2-Clause "Simplified" License | 6 votes |
private Object unwrap(Object value) { while (true) { if (value instanceof Callable) { Callable callable = (Callable) value; try { value = callable.call(); } catch (Exception e) { throw UncheckedException.throwAsUncheckedException(e); } } else if (value instanceof Closure) { Closure closure = (Closure) value; value = closure.call(); } else if (value instanceof FileCollection) { FileCollection fileCollection = (FileCollection) value; return fileCollection.getFiles(); } else { return value; } } }
Example #8
Source File: MaybeUsingTest.java From RxJava3-preview with Apache License 2.0 | 6 votes |
@Test public void errorNonEager() { Maybe.using(new Callable<Object>() { @Override public Object call() throws Exception { return 1; } }, new Function<Object, MaybeSource<Integer>>() { @Override public MaybeSource<Integer> apply(Object v) throws Exception { return Maybe.error(new TestException()); } }, new Consumer<Object>() { @Override public void accept(Object d) throws Exception { } }, false) .test() .assertFailure(TestException.class); }
Example #9
Source File: ZkClient.java From TakinRPC with Apache License 2.0 | 6 votes |
public boolean delete(final String path) { try { retryUntilConnected(new Callable<byte[]>() { @Override public byte[] call() throws Exception { _connection.delete(path); return null; } }); return true; } catch (ZkNoNodeException e) { return false; } }
Example #10
Source File: Nodes.java From data.int-map with Eclipse Public License 1.0 | 6 votes |
public Object fold(final long n, final IFn combiner, final IFn reducer, final IFn fjtask, final IFn fjfork, final IFn fjjoin) { if (n > count()) { List<Callable> tasks = new ArrayList(); for (int i = 0; i < 16; i++) { final INode node = children[i]; if (node != null) { tasks.add(new Callable() { public Object call() throws Exception { return node.fold(n, combiner, reducer, fjtask, fjfork, fjjoin); } }); } } return foldTasks(tasks, combiner, fjtask, fjfork, fjjoin); } else { return kvreduce(reducer, combiner.invoke()); } }
Example #11
Source File: CAccessibility.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
public static Object[] getChildren(final Accessible a, final Component c) { if (a == null) return null; return invokeAndWait(new Callable<Object[]>() { public Object[] call() throws Exception { final AccessibleContext ac = a.getAccessibleContext(); if (ac == null) return null; final int numChildren = ac.getAccessibleChildrenCount(); final Object[] children = new Object[numChildren]; for (int i = 0; i < numChildren; i++) { children[i] = ac.getAccessibleChild(i); } return children; } }, c); }
Example #12
Source File: ProductIT.java From development with Apache License 2.0 | 6 votes |
/** * <b>Testcase:</b> Add new Product objects <br> * <b>ExpectedResult:</b> * <ul> * <li>All objects can be retrieved from DB and are identical to provided * Product objects</li> * <li>Cascaded objects (i.e. PriceModel) is also stored</li> * <li>A history object is created for each product stored</li> * <li>History objects are created for CascadeAudit-annotated associated * objects</li> * </ul> * * @throws Throwable */ @Test public void testAdd() throws Throwable { try { runTX(new Callable<Void>() { @Override public Void call() throws Exception { doTestAdd(); return null; } }); runTX(new Callable<Void>() { @Override public Void call() { doTestAddCheck(); return null; } }); } catch (EJBException e) { throw e.getCause(); } }
Example #13
Source File: FakeTestRule.java From buck with Apache License 2.0 | 6 votes |
public FakeTestRule( BuildTarget buildTarget, ProjectFilesystem projectFilesystem, BuildRuleParams buildRuleParams, ImmutableSet<String> labels, Optional<Path> pathToTestOutputDirectory, boolean runTestSeparately, ImmutableList<Step> testSteps, Callable<TestResults> interpretedTestResults) { super(buildTarget, projectFilesystem, buildRuleParams); this.labels = labels; this.pathToTestOutputDirectory = pathToTestOutputDirectory; this.runTestSeparately = runTestSeparately; this.testSteps = testSteps; this.interpretedTestResults = interpretedTestResults; }
Example #14
Source File: ClassMemberPanelUI.java From netbeans with Apache License 2.0 | 6 votes |
private ElementJavadoc getJavaDocFor( @NonNull final ElementNode node, @NullAllowed final Callable<Boolean> cancel) { ElementNode root = getRootNode(); if ( root == null ) { return null; } final ElementHandle<? extends Element> eh = node.getDescritption().getElementHandle(); if (eh == null) { return null; } final JavaSource js = JavaSource.forFileObject( root.getDescritption().fileObject ); if (js == null) { return null; } final JavaDocCalculator calculator = new JavaDocCalculator(eh, cancel); try { js.runUserActionTask( calculator, true ); } catch( IOException ioE ) { Exceptions.printStackTrace( ioE ); return null; } return calculator.doc; }
Example #15
Source File: BasicBillingProxy.java From development with Apache License 2.0 | 6 votes |
<T> Future<T> submitAdapterCall(Callable<T> callable) throws BillingApplicationException { ExecutorService executor = getSingleThreadExecutor(); Future<T> future = null; try { future = executor.submit(callable); } catch (RejectedExecutionException e) { logger.logError(Log4jLogger.SYSTEM_LOG, e, LogMessageIdentifier.ERROR_EXECUTION_OF_BILLING_APPLICATION_TASK_REJECTED); throw new BillingApplicationException( "Call to Billing Adapter failed", new BillingAdapterConnectionException( "The execution of the billing application task was rejected")); } return future; }
Example #16
Source File: JpaPersistenceProvider.java From rice with Educational Community License v2.0 | 6 votes |
/** * {@inheritDoc} */ @Override @Transactional public <T> void deleteAll(final Class<T> type) { doWithExceptionTranslation(new Callable<Object>() { @Override public Object call() { new JpaCriteriaQuery(getSharedEntityManager()).deleteAll(type); // If the L2 cache is enabled, items will still be served from the cache // So, we need to flush that as well for the given type if (sharedEntityManager.getEntityManagerFactory().getCache() != null) { sharedEntityManager.getEntityManagerFactory().getCache().evict(type); } return null; } }); }
Example #17
Source File: ConcurrentRepositoryTest.java From rapidminer-studio with GNU Affero General Public License v3.0 | 6 votes |
/** * Returns a Callable that calls {@link Folder#refresh()} */ private Callable<Void> folder_refresh(final Folder folder) { return new Callable<Void>() { @Override public Void call() { try { startSignal.await(); Thread.sleep(random.nextInt(THREAD_WAIT_THRESHOLD)); // System.out.println(Thread.currentThread().getName() + " RERESH"); folder.refresh(); } catch (RepositoryException | InterruptedException e) { Assert.fail(Thread.currentThread().getName() + " " + e.getMessage()); } return null; } }; }
Example #18
Source File: ThreadPoolExecutorSubclassTest.java From j2objc with Apache License 2.0 | 6 votes |
/** * invokeAny(c) throws ExecutionException if no task completes */ public void testInvokeAny4() throws Exception { final ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); try (PoolCleaner cleaner = cleaner(e)) { List<Callable<String>> l = new ArrayList<Callable<String>>(); l.add(new NPETask()); try { e.invokeAny(l); shouldThrow(); } catch (ExecutionException success) { assertTrue(success.getCause() instanceof NullPointerException); } } }
Example #19
Source File: RemotePluginCommunicationHelper.java From Easer with GNU General Public License v3.0 | 6 votes |
public void asyncRemoteEditOperationData(final String id, OnEditDataIntentObtainedCallback onEditDataIntentObtainedCallback) { ParcelUuid uuid = onEditDataIntentObtainedCallbackCallbackStore.putCallback(onEditDataIntentObtainedCallback); doAfterConnect(new Callable<Void>() { @Override public Void call() throws Exception { Message message = Message.obtain(); message.what = C.MSG_EDIT_OPERATION_DATA; message.replyTo = inMessenger; Bundle bundle = new Bundle(); bundle.putString(C.EXTRA_PLUGIN_ID, id); bundle.putParcelable(C.EXTRA_MESSAGE_ID, uuid); message.setData(bundle); outMessenger.send(message); return null; } }); }
Example #20
Source File: TestUnsupportedVM.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
private static void assertIOException(Callable<?> c) { try { c.call(); } catch (Exception e) { if (e.getClass() == IOException.class) { return; } } throw new AssertionError("Expected IOException on an unsupported JVM"); }
Example #21
Source File: MainController.java From android-uiconductor with Apache License 2.0 | 5 votes |
@CrossOrigin(origins = "*") @RequestMapping(value = "/playAction", method = RequestMethod.POST) public Callable<String> playAction(@RequestBody PlayActionRequest playActionRequest) { return () -> workflowManager.playAction( playActionRequest.getActionId(), playActionRequest.getPlaySpeedFactor()); }
Example #22
Source File: AnnotationScannerTest.java From netbeans with Apache License 2.0 | 5 votes |
public void testScanTypes() throws Exception { TestUtilities.copyStringToFileObject(srcFO, "Customer.java", "@javax.persistence.Entity()" + "public class Customer { }"); TestUtilities.copyStringToFileObject(srcFO, "Foo.java", "public class Foo { }"); TestUtilities.copyStringToFileObject(srcFO, "Item.java", "@javax.persistence.Entity()" + "public class Item { }"); IndexingManager.getDefault().refreshIndexAndWait(srcFO.getURL(), null); ClasspathInfo cpi = ClasspathInfo.create(srcFO); final AnnotationModelHelper helper = AnnotationModelHelper.create(cpi); final Set<String> types = new HashSet<String>(); helper.runJavaSourceTask(new Callable<Void>() { public Void call() throws InterruptedException { helper.getAnnotationScanner().findAnnotations("javax.persistence.Entity", AnnotationScanner.TYPE_KINDS, new AnnotationHandler() { public void handleAnnotation(TypeElement type, Element element, AnnotationMirror annotation) { types.add(type.getQualifiedName().toString()); } }); return null; } }); assertEquals(2, types.size()); assertTrue(types.contains("Customer")); assertTrue(types.contains("Item")); }
Example #23
Source File: GridEncryptionManager.java From ignite with Apache License 2.0 | 5 votes |
/** * @param c Callable to run with master key change read lock. * @return Computed result. */ private <T> T withMasterKeyChangeReadLock(Callable<T> c) { masterKeyChangeLock.readLock().lock(); try { return c.call(); } catch (Exception e) { throw new IgniteException(e); } finally { masterKeyChangeLock.readLock().unlock(); } }
Example #24
Source File: ScriptObjectMirror.java From nashorn with GNU General Public License v2.0 | 5 votes |
@Override public void putAll(final Map<? extends String, ? extends Object> map) { final ScriptObject oldGlobal = Context.getGlobal(); final boolean globalChanged = (oldGlobal != global); inGlobal(new Callable<Object>() { @Override public Object call() { for (final Map.Entry<? extends String, ? extends Object> entry : map.entrySet()) { final Object value = entry.getValue(); final Object modValue = globalChanged? wrap(value, oldGlobal) : value; sobj.set(entry.getKey(), unwrap(modValue, global), strict); } return null; } }); }
Example #25
Source File: ScriptObjectMirror.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
/** * Utilitity to convert this script object to the given type. * * @param type destination type to convert to * @return converted object */ public <T> T to(final Class<T> type) { return inGlobal(new Callable<T>() { @Override public T call() { return type.cast(ScriptUtils.convert(sobj, type)); } }); }
Example #26
Source File: IndexFreeQueryEngineTest.java From firebase-android-sdk with Apache License 2.0 | 5 votes |
private <T> T expectFullCollectionQuery(Callable<T> c) throws Exception { try { expectIndexFreeExecution = false; return c.call(); } finally { expectIndexFreeExecution = null; } }
Example #27
Source File: RefreshScopePureScaleTests.java From spring-cloud-commons with Apache License 2.0 | 5 votes |
@Test @Repeat(10) @DirtiesContext public void testConcurrentRefresh() throws Exception { // overload the thread pool and try to force Spring to create too many instances int n = 80; this.scope.refreshAll(); final CountDownLatch latch = new CountDownLatch(n); List<Future<String>> results = new ArrayList<>(); for (int i = 0; i < n; i++) { results.add(this.executor.submit(new Callable<String>() { @Override public String call() throws Exception { logger.debug("Background started."); try { return RefreshScopePureScaleTests.this.service.getMessage(); } finally { latch.countDown(); logger.debug("Background done."); } } })); this.executor.submit(new Runnable() { @Override public void run() { logger.debug("Refreshing."); RefreshScopePureScaleTests.this.scope.refreshAll(); } }); } then(latch.await(15000, TimeUnit.MILLISECONDS)).isTrue(); then(this.service.getMessage()).isEqualTo("Foo"); for (Future<String> result : results) { then(result.get()).isEqualTo("Foo"); } }
Example #28
Source File: BackendTransaction.java From grakn with GNU Affero General Public License v3.0 | 5 votes |
public EntryList indexQuery(KeySliceQuery query) { return executeRead(new Callable<EntryList>() { @Override public EntryList call() throws Exception { return cacheEnabled ? indexStore.getSlice(query, storeTx) : indexStore.getSliceNoCache(query, storeTx); } @Override public String toString() { return "VertexIndexQuery"; } }); }
Example #29
Source File: ScriptObjectMirror.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
@Override public void clear() { inGlobal(new Callable<Object>() { @Override public Object call() { sobj.clear(strict); return null; } }); }
Example #30
Source File: StitchAppClientImpl.java From stitch-android-sdk with Apache License 2.0 | 5 votes |
@Override public Task<Void> callFunction( final String name, final List<?> args) { return dispatcher.dispatchTask( new Callable<Void>() { @Override public Void call() { coreClient.callFunction(name, args, null); return null; } }); }