Java Code Examples for java.util.function.Supplier

The following examples show how to use java.util.function.Supplier. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
public SecurityRealmService(final Consumer<SecurityRealm> securityRealmConsumer,
                     final Supplier<SubjectSupplementalService> subjectSupplementalSupplier,
                     final Supplier<CallbackHandlerFactory> secretCallbackFactorySupplier,
                     final Supplier<KeytabIdentityFactoryService> keytabFactorySupplier,
                     final Supplier<SSLContext> sslContextSupplier,
                     final Supplier<String> tmpDirPathSupplier,
                     final Set<Supplier<CallbackHandlerService>> callbackHandlerServices,
                     final String name, final boolean mapGroupsToRoles) {
    this.securityRealmConsumer = securityRealmConsumer;
    this.subjectSupplementalSupplier = subjectSupplementalSupplier;
    this.secretCallbackFactorySupplier = secretCallbackFactorySupplier;
    this.keytabFactorySupplier = keytabFactorySupplier;
    this.sslContextSupplier = sslContextSupplier;
    this.tmpDirPathSupplier = tmpDirPathSupplier;
    this.callbackHandlerServices = callbackHandlerServices;
    this.name = name;
    this.mapGroupsToRoles = mapGroupsToRoles;
}
 
Example 2
Source Project: vividus   Source File: SubStepsTests.java    License: Apache License 2.0 6 votes vote down vote up
@Test
void shouldExecuteSubStepWithParameters()
{
    @SuppressWarnings("unchecked")
    Supplier<String> parameterProvider = mock(Supplier.class);
    when(parameterProvider.get()).thenReturn("parameters");
    StepResult stepResult = mock(StepResult.class);
    Step compositeStep = mock(Step.class);
    when(step.getComposedSteps()).thenReturn(List.of(compositeStep, compositeStep));
    when(compositeStep.perform(storyReporter, null)).thenReturn(stepResult);
    InOrder ordered = inOrder(subStepsListener, step, parameterProvider, stepResult);
    when(step.perform(storyReporter, null)).thenReturn(stepResult);
    Keywords keywords = mock(Keywords.class);
    when(configuration.keywords()).thenReturn(keywords);
    when(step.asString(keywords)).thenReturn("step");
    subSteps.execute(Optional.of(parameterProvider));

    ordered.verify(subStepsListener).beforeSubSteps();
    ordered.verify(parameterProvider).get();
    ordered.verify(stepResult).withParameterValues("step [parameters]");
    ordered.verify(stepResult).describeTo(storyReporter);
    ordered.verify(subStepsListener).afterSubSteps();
    ordered.verifyNoMoreInteractions();
}
 
Example 3
private String demoNoBlock() {
	CompletableFuture<String> resultCompletableFuture = CompletableFuture.supplyAsync(new Supplier<String>() {
		public String get() {
			try {
				TimeUnit.SECONDS.sleep(6);
				//int i = 1/0; 如果有异常,则永远也不返回,即永远得不到结果
				System.out.println("执行线程:"+Thread.currentThread().getName());  
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			return "hello";
		}
	}, executor);

	resultCompletableFuture.thenAcceptAsync(new Consumer<String>() {  
	    @Override  
	    public void accept(String t) {  
	    System.out.println(t);  
	    System.out.println("回调线程:"+Thread.currentThread().getName());  
	    frame.setTitle(t);
	    }  
	}, executor);  
	System.out.println("直接不阻塞返回了######");  
	return "直接不阻塞返回了######";
}
 
Example 4
private static <T, S extends Spliterator<T>> void testSplitOnce(
        Collection<T> exp,
        Supplier<S> supplier,
        UnaryOperator<Consumer<T>> boxingAdapter) {
    S spliterator = supplier.get();
    long sizeIfKnown = spliterator.getExactSizeIfKnown();
    boolean isOrdered = spliterator.hasCharacteristics(Spliterator.ORDERED);

    ArrayList<T> fromSplit = new ArrayList<>();
    Spliterator<T> s1 = supplier.get();
    Spliterator<T> s2 = s1.trySplit();
    long s1Size = s1.getExactSizeIfKnown();
    long s2Size = (s2 != null) ? s2.getExactSizeIfKnown() : 0;
    Consumer<T> addToFromSplit = boxingAdapter.apply(fromSplit::add);
    if (s2 != null)
        s2.forEachRemaining(addToFromSplit);
    s1.forEachRemaining(addToFromSplit);

    if (sizeIfKnown >= 0) {
        assertEquals(sizeIfKnown, fromSplit.size());
        if (s1Size >= 0 && s2Size >= 0)
            assertEquals(sizeIfKnown, s1Size + s2Size);
    }
    assertContents(fromSplit, exp, isOrdered);
}
 
Example 5
Source Project: mockneat   Source File: Seq.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public Supplier<T> supplier() {
    return () -> {
        if (iterator.hasNext())
            return (T) iterator.next();
        else
            if (cycle) {
                this.iterator = iterable.iterator();
                return (T) iterator.next();
            }
            else {
                if (after == null) {
                    return null;
                }
                return (T) after.get();
            }
    };
}
 
Example 6
Source Project: java-ml-projects   Source File: AppUtils.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * 
 * Perform an async call
 * 
 * @param action
 * @param success
 * @param error
 */
public static <T extends Object> void doAsyncWork(Supplier<T> action, Consumer<T> success,
		Consumer<Throwable> error) {
	Task<T> tarefaCargaPg = new Task<T>() {
		@Override
		protected T call() throws Exception {
			return action.get();
		}

		@Override
		protected void succeeded() {
			success.accept(getValue());
		}

		@Override
		protected void failed() {
			error.accept(getException());
		}
	};
	Thread t = new Thread(tarefaCargaPg);
	t.setDaemon(true);
	t.start();
}
 
Example 7
Source Project: ClaimChunk   Source File: SqlBacking.java    License: MIT License 6 votes vote down vote up
static boolean getTableDoesntExist(ClaimChunk claimChunk,
                                   Supplier<Connection> connection,
                                   String databaseName,
                                   String tableName) throws SQLException {
    String sql = "SELECT count(*) FROM information_schema.TABLES WHERE (`TABLE_SCHEMA` = ?) AND (`TABLE_NAME` = ?)";
    try (PreparedStatement statement = prep(claimChunk, connection, sql)) {
        statement.setString(1, databaseName);
        statement.setString(2, tableName);
        try (ResultSet results = statement.executeQuery()) {
            if (results.next()) {
                return results.getInt(1) <= 0;
            }
        }
    }
    return true;
}
 
Example 8
public static LogEvent of(long sequenceNumber,
        boolean isLoggable, String name,
        Logger.Level level, ResourceBundle bundle,
        String key, Supplier<String> supplier,
        Throwable thrown, Object... params) {
    LogEvent evt = new LogEvent(sequenceNumber);
    evt.loggerName = name;
    evt.level = level;
    evt.args = params;
    evt.bundle = bundle;
    evt.thrown = thrown;
    evt.supplier = supplier;
    evt.msg = key;
    evt.isLoggable = isLoggable;
    return evt;
}
 
Example 9
Source Project: divolte-collector   Source File: SeleniumTestBase.java    License: Apache License 2.0 6 votes vote down vote up
@Parameters(name = "Selenium JS test: {1} (quirks-mode={2})")
public static Iterable<Object[]> sauceLabBrowsersToTest() {
    final Collection<Object[]> browserList;
    if (!System.getenv().containsKey(DRIVER_ENV_VAR)) {
        browserList = Collections.emptyList();
    } else if (SAUCE_DRIVER.equals(System.getenv().get(DRIVER_ENV_VAR))) {
        browserList = SAUCE_BROWSER_LIST;
        logger.info("Selenium test running on SauceLabs with these browsers:\n{}",
                    browserNameList(SAUCE_BROWSER_LIST));
    } else if (BS_DRIVER.equals(System.getenv().get(DRIVER_ENV_VAR))) {
        browserList = BS_BROWSER_LIST;
        logger.info("Selenium test running on BrowserStack with these browsers:\n{}",
                    browserNameList(BS_BROWSER_LIST));
    } else {
        // Parameters are not used for non-sauce tests
        browserList = ImmutableList.of(new Object[] {
                (Supplier<DesiredCapabilities>) () -> LOCAL_RUN_CAPABILITIES, "Local JS test run"
        });
    }
    // For each browser, we need to run in and out of quirks mode.
    return browserList.stream()
            .flatMap((browser) ->
                    ImmutableList.of(new Object[] { browser[0], browser[1], false },
                                     new Object[] { browser[0], browser[1], true  }).stream())
            .collect(Collectors.toList());
}
 
Example 10
@Override
public IView filterView(final IView view, final JSONFilterViewRequest filterViewRequest, Supplier<IViewsRepository> viewsRepo)
{
	final CreateViewRequest.Builder filterViewBuilder = CreateViewRequest.filterViewBuilder(view, filterViewRequest);

	if (view instanceof HUEditorView)
	{
		final HUEditorView huEditorView = HUEditorView.cast(view);
		filterViewBuilder.setParameters(huEditorView.getParameters());

		final ViewId parentViewId = huEditorView.getParentViewId();
		final IView parentView = viewsRepo.get().getView(parentViewId);
		if (parentView instanceof PickingSlotView)
		{
			final PickingSlotView pickingSlotView = PickingSlotView.cast(parentView);

			filterViewBuilder.setParameter(HUsToPickViewFilters.PARAM_CurrentShipmentScheduleId, pickingSlotView.getCurrentShipmentScheduleId());
		}
	}

	final CreateViewRequest createViewRequest = filterViewBuilder.build();

	return createView(createViewRequest);
}
 
Example 11
Source Project: quarkus   Source File: OidcIdentityProvider.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public Uni<SecurityIdentity> authenticate(TokenAuthenticationRequest request,
        AuthenticationRequestContext context) {
    ContextAwareTokenCredential credential = (ContextAwareTokenCredential) request.getToken();
    RoutingContext vertxContext = credential.getContext();
    return Uni.createFrom().deferred(new Supplier<Uni<SecurityIdentity>>() {
        @Override
        public Uni<SecurityIdentity> get() {
            if (tenantResolver.isBlocking(vertxContext)) {
                return context.runBlocking(new Supplier<SecurityIdentity>() {
                    @Override
                    public SecurityIdentity get() {
                        return authenticate(request, vertxContext).await().indefinitely();
                    }
                });
            }

            return authenticate(request, vertxContext);
        }
    });

}
 
Example 12
Source Project: smallrye-reactive-messaging   Source File: Message.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Create a message with the given payload and ack function.
 * No metadata are associated with the message.
 * Negative-acknowledgement is immediate.
 *
 * @param payload The payload, must not be {@code null}.
 * @param ack The ack function, this will be invoked when the returned messages {@link #ack()} method is invoked.
 * @param <T> the type of payload
 * @return A message with the given payload, no metadata and ack function.
 */
static <T> Message<T> of(T payload, Supplier<CompletionStage<Void>> ack) {
    if (payload == null) {
        throw new IllegalArgumentException("`payload` must not be `null`");
    }
    return new Message<T>() {
        @Override
        public T getPayload() {
            return payload;
        }

        @Override
        public Metadata getMetadata() {
            return Metadata.empty();
        }

        @Override
        public Supplier<CompletionStage<Void>> getAck() {
            return ack;
        }
    };
}
 
Example 13
Source Project: arcusplatform   Source File: SessionHeartBeater.java    License: Apache License 2.0 6 votes vote down vote up
@Inject
public SessionHeartBeater(
   Partitioner partitioner,
   IntraServiceMessageBus intraServiceBus,
   Supplier<Stream<PartitionedSession>> sessionSupplier
) {
   this.sessionSupplier = sessionSupplier;
   this.partitioner = partitioner;
   this.intraServiceBus = intraServiceBus;
   this.executor = Executors
      .newSingleThreadScheduledExecutor(
         ThreadPoolBuilder
            .defaultFactoryBuilder()
            .setNameFormat("ipcd-session-heartbeat")
            .build()
      );
   this.heartbeatTimer = IrisMetrics.metrics("bridge.ipcd").timer("heartbeat");
}
 
Example 14
Source Project: webanno   Source File: RelationAdapter.java    License: Apache License 2.0 6 votes vote down vote up
public RelationAdapter(LayerSupportRegistry aLayerSupportRegistry,
        FeatureSupportRegistry aFeatureSupportRegistry,
        ApplicationEventPublisher aEventPublisher, AnnotationLayer aLayer,
        String aTargetFeatureName, String aSourceFeatureName,
        Supplier<Collection<AnnotationFeature>> aFeatures,
        List<RelationLayerBehavior> aBehaviors)
{
    super(aLayerSupportRegistry, aFeatureSupportRegistry, aEventPublisher, aLayer, aFeatures);
    
    if (aBehaviors == null) {
        behaviors = emptyList();
    }
    else {
        List<RelationLayerBehavior> temp = new ArrayList<>(aBehaviors);
        AnnotationAwareOrderComparator.sort(temp);
        behaviors = temp;
    }
    
    sourceFeatureName = aSourceFeatureName;
    targetFeatureName = aTargetFeatureName;
}
 
Example 15
Source Project: cyclops   Source File: AsyncRSPartitionAndSplittingTest.java    License: Apache License 2.0 6 votes vote down vote up
@Test
public void testPartition() {
	Supplier<ReactiveSeq<Integer>> s = () -> of(1, 2, 3, 4, 5, 6);

	assertEquals(asList(1, 3, 5), s.get().partition(i -> i % 2 != 0)._1().toList());
	assertEquals(asList(2, 4, 6), s.get().partition(i -> i % 2 != 0)._2().toList());

	assertEquals(asList(2, 4, 6), s.get().partition(i -> i % 2 == 0)._1().toList());
	assertEquals(asList(1, 3, 5), s.get().partition(i -> i % 2 == 0)._2().toList());

	assertEquals(asList(1, 2, 3), s.get().partition(i -> i <= 3)._1().toList());
	assertEquals(asList(4, 5, 6), s.get().partition(i -> i <= 3)._2().toList());

	assertEquals(asList(1, 2, 3, 4, 5, 6), s.get().partition(i -> true)._1().toList());
	assertEquals(asList(), s.get().partition(i -> true)._2().toList());

	assertEquals(asList(), s.get().partition(i -> false)._1().toList());
	assertEquals(asList(1, 2, 3, 4, 5, 6), s.get().partition(i -> false)._2().toList());
}
 
Example 16
Source Project: jdk8u-jdk   Source File: ReduceOps.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Constructs a {@code TerminalOp} that implements a mutable reduce on
 * {@code double} values.
 *
 * @param <R> the type of the result
 * @param supplier a factory to produce a new accumulator of the result type
 * @param accumulator a function to incorporate an int into an
 *        accumulator
 * @param combiner a function to combine an accumulator into another
 * @return a {@code TerminalOp} implementing the reduction
 */
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
           ObjDoubleConsumer<R> accumulator,
           BinaryOperator<R> combiner) {
    Objects.requireNonNull(supplier);
    Objects.requireNonNull(accumulator);
    Objects.requireNonNull(combiner);
    class ReducingSink extends Box<R>
            implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
        @Override
        public void begin(long size) {
            state = supplier.get();
        }

        @Override
        public void accept(double t) {
            accumulator.accept(state, t);
        }

        @Override
        public void combine(ReducingSink other) {
            state = combiner.apply(state, other.state);
        }
    }
    return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
        @Override
        public ReducingSink makeSink() {
            return new ReducingSink();
        }
    };
}
 
Example 17
Source Project: component-runtime   Source File: ComponentManager.java    License: Apache License 2.0 5 votes vote down vote up
private <T> T executeInContainer(final String plugin, final Supplier<T> supplier) {
    final Thread thread = Thread.currentThread();
    final ClassLoader old = thread.getContextClassLoader();
    thread
            .setContextClassLoader(
                    container.find(plugin).map(Container::getLoader).map(ClassLoader.class::cast).orElse(old));
    try {
        return supplier.get();
    } finally {
        thread.setContextClassLoader(old);
    }
}
 
Example 18
public GenericBackendDialogN5(
		final Node n5RootNode,
		final Node browseNode,
		final String identifier,
		final ObservableValue<Supplier<N5Writer>> writerSupplier,
		final ExecutorService propagationExecutor)
{
	this("_Dataset", n5RootNode, browseNode, identifier, writerSupplier, propagationExecutor);
}
 
Example 19
Source Project: blackduck-alert   Source File: VulnerabilityUtil.java    License: Apache License 2.0 5 votes vote down vote up
private static Optional<LinkableItem> createRemediationItem(Supplier<ComponentVersionRemediatingFixesPreviousVulnerabilitiesView> getRemediationOption, String remediationLabel) {
    ComponentVersionRemediatingFixesPreviousVulnerabilitiesView remediatingVersionView = getRemediationOption.get();
    if (null != remediatingVersionView) {
        String versionText = createRemediationVersionText(remediatingVersionView);
        return Optional.of(new LinkableItem(remediationLabel, versionText, remediatingVersionView.getComponentVersion()));
    }
    return Optional.empty();
}
 
Example 20
Source Project: bboxdb   Source File: AbtractClusterFutureBuilder.java    License: Apache License 2.0 5 votes vote down vote up
public Supplier<List<NetworkOperationFuture>> getSupplier() {
	
	if(clusterOperationType == ClusterOperationType.READ_FROM_NODES_HA_IF_REPLICATED) {
		return getReplicatedSupplier();
	} else {
		return getUnreplicatedSupplier();
	}
}
 
Example 21
Source Project: uima-uimaj   Source File: Logger_common_impl.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * @param msgSupplier
 *          A function, which when called, produces the desired log message
 * @param throwable
 *          the exception to log
 */
@Override
public void info(Supplier<String> msgSupplier, Throwable throwable) {
  if (isLoggable(Level.INFO) && isNotLimited(Level.INFO)) {
    log2(null, fqcnCmn, Level.INFO, msgSupplier.get(), null, throwable);
  }
}
 
Example 22
Source Project: otroslogviewer   Source File: ShowLogPatternParserEditor.java    License: Apache License 2.0 5 votes vote down vote up
public ShowLogPatternParserEditor(OtrosApplication otrosApplication,
                                  String logPatternResourceName,
                                  String actionName,
                                  String shortDescription,
                                  Icon icon, Supplier<LogPatternParserEditorBase> viewSupplier) {
  super(otrosApplication);
  this.viewSupplier = viewSupplier;
  putValue(NAME, actionName);
  putValue(SHORT_DESCRIPTION, shortDescription);
  putValue(SMALL_ICON, icon);
  logPatternText = loadDefaultText(logPatternResourceName);

}
 
Example 23
Source Project: moduliths   Source File: Documenter.java    License: Apache License 2.0 5 votes vote down vote up
private void addComponentsToView(Supplier<Stream<Module>> modules, ComponentView view, Options options,
		Consumer<ComponentView> afterCleanup) {

	modules.get().filter(options.getExclusions().negate()) //
			.map(it -> getComponents(options).get(it)) //
			.filter(options.getComponentFilter()).forEach(view::add);

	// Remove filtered dependency types
	DependencyType.allBut(options.getDependencyTypes()) //
			.map(Object::toString) //
			.forEach(it -> view.removeRelationshipsWithTag(it));

	afterCleanup.accept(view);

	// Filter outgoing relationships of target-only modules
	modules.get().filter(options.getTargetOnly()) //
			.forEach(module -> {

				Component component = getComponents(options).get(module);

				view.getRelationships().stream() //
						.map(RelationshipView::getRelationship) //
						.filter(it -> it.getSource().equals(component)) //
						.forEach(it -> view.remove(it));
			});

	// … as well as all elements left without a relationship
	view.removeElementsWithNoRelationships();

	afterCleanup.accept(view);

	// Remove default relationships if more qualified ones exist
	view.getRelationships().stream() //
			.map(RelationshipView::getRelationship) //
			.collect(Collectors.groupingBy(Connection::of)) //
			.values().stream() //
			.forEach(it -> potentiallyRemoveDefaultRelationship(view, it));
}
 
Example 24
private ValueSpec(Supplier<?> supplier, Predicate<Object> validator, BuilderContext context) {
	Objects.requireNonNull(supplier, "Default supplier can not be null");
	Objects.requireNonNull(validator, "Validator can not be null");

	this.comment = context.hasComment() ? context.buildComment() : null;
	this.langKey = context.getTranslationKey();
	this.range = context.getRange();
	this.worldRestart = context.needsWorldRestart();
	this.clazz = context.getClazz();
	this.supplier = supplier;
	this.validator = validator;
}
 
Example 25
Source Project: Plan   Source File: JSONCache.java    License: GNU Lesser General Public License v3.0 5 votes vote down vote up
public static String getOrCacheString(DataID dataID, UUID serverUUID, Supplier<String> stringSupplier) {
    String identifier = dataID.of(serverUUID);
    byte[] found = cache.getIfPresent(identifier);
    if (found == null) {
        String result = stringSupplier.get();
        cache.put(identifier, result.getBytes(StandardCharsets.UTF_8));
        return result;
    }
    return new String(found, StandardCharsets.UTF_8);
}
 
Example 26
Source Project: alf.io   Source File: Wrappers.java    License: GNU General Public License v3.0 5 votes vote down vote up
public static <T> Optional<T> optionally(Supplier<T> s) {
    try {
        return Optional.ofNullable(s.get());
    } catch (EmptyResultDataAccessException | IllegalArgumentException | IllegalStateException e) {
        return Optional.empty();
    }
}
 
Example 27
Source Project: apicurio-registry   Source File: RegistryClientTest.java    License: Apache License 2.0 5 votes vote down vote up
@RegistryServiceTest
public void testSmoke(Supplier<RegistryService> supplier) {
    RegistryService service = supplier.get();

    service.deleteAllGlobalRules();

    Assertions.assertNotNull(service.toString());
    Assertions.assertEquals(service.hashCode(), service.hashCode());
    Assertions.assertEquals(service, service);
}
 
Example 28
Source Project: ratis   Source File: ServerRestartTests.java    License: Apache License 2.0 5 votes vote down vote up
static void writeSomething(Supplier<Message> newMessage, MiniRaftCluster cluster) throws Exception {
  try(final RaftClient client = cluster.createClient()) {
    // write some messages
    for(int i = 0; i < 10; i++) {
      Assert.assertTrue(client.send(newMessage.get()).isSuccess());
    }
  }
}
 
Example 29
Source Project: netbeans   Source File: JavaKit.java    License: Apache License 2.0 5 votes vote down vote up
protected void initDocument(BaseDocument doc) {
//        doc.addLayer(new JavaDrawLayerFactory.JavaLayer(),
//                JavaDrawLayerFactory.JAVA_LAYER_VISIBILITY);
        doc.putProperty(SyntaxUpdateTokens.class,
              new SyntaxUpdateTokens() {
                  
                  private List tokenList = new ArrayList();
                  
                  public void syntaxUpdateStart() {
                      tokenList.clear();
                  }
      
                  public List syntaxUpdateEnd() {
                      return tokenList;
                  }
      
                  public void syntaxUpdateToken(TokenID id, TokenContextPath contextPath, int offset, int length) {
                      if (JavaTokenContext.LINE_COMMENT == id) {
                          tokenList.add(new TokenInfo(id, contextPath, offset, length));
                      }
                  }
              }
          );
        InputAttributes attrs = new InputAttributes();
        attrs.setValue(JavaTokenId.language(), "fileName", (Supplier<String>) () -> { //NOI18N
            FileObject fo = NbEditorUtilities.getFileObject(doc);
            return fo != null ? fo.getNameExt() : null;
        }, true);
        attrs.setValue(JavaTokenId.language(), "version", (Supplier<String>) () -> { //NOI18N
            return getSourceLevel(doc);
        }, true);
        doc.putProperty(InputAttributes.class, attrs);
      }
 
Example 30
Source Project: ndbc   Source File: ConnectionTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void isValidTrue() throws CheckedFutureException {
  final List<Row> result = new ArrayList<>();
  final String query = "SELECT 1";
  final Supplier<Connection> sup = new ConnectionSupplier() {
    @Override
    BiFunction<String, List<Value<?>>, Exchange<List<Row>>> extendedQueryExchange() {
      return (q, b) -> {
        assertEquals(query, q);
        return Exchange.value(result);
      };
    }
  };
  assertEquals(true, sup.get().isValid().get(timeout));
}