Java Code Examples for javax.annotation.Nullable

The following examples show how to use javax.annotation.Nullable. 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
private static StateTableEntry<Integer, VoidNamespace, Integer> generateElement(
	@Nonnull Random random,
	@Nullable StateTableEntry<Integer, VoidNamespace, Integer> next) {

	Integer generatedKey =  random.nextInt() & Integer.MAX_VALUE;
	return new StateTableEntry<>(
		generatedKey,
		VoidNamespace.INSTANCE,
		random.nextInt(),
		generatedKey.hashCode(),
		next,
		0,
		0);
}
 
Example 2
Source Project: flink   Source File: ArchivedExecutionGraph.java    License: Apache License 2.0 5 votes vote down vote up
public ArchivedExecutionGraph(
		JobID jobID,
		String jobName,
		Map<JobVertexID, ArchivedExecutionJobVertex> tasks,
		List<ArchivedExecutionJobVertex> verticesInCreationOrder,
		long[] stateTimestamps,
		JobStatus state,
		@Nullable ErrorInfo failureCause,
		String jsonPlan,
		StringifiedAccumulatorResult[] archivedUserAccumulators,
		Map<String, SerializedValue<OptionalFailure<Object>>> serializedUserAccumulators,
		ArchivedExecutionConfig executionConfig,
		boolean isStoppable,
		@Nullable CheckpointCoordinatorConfiguration jobCheckpointingConfiguration,
		@Nullable CheckpointStatsSnapshot checkpointStatsSnapshot) {

	this.jobID = Preconditions.checkNotNull(jobID);
	this.jobName = Preconditions.checkNotNull(jobName);
	this.tasks = Preconditions.checkNotNull(tasks);
	this.verticesInCreationOrder = Preconditions.checkNotNull(verticesInCreationOrder);
	this.stateTimestamps = Preconditions.checkNotNull(stateTimestamps);
	this.state = Preconditions.checkNotNull(state);
	this.failureCause = failureCause;
	this.jsonPlan = Preconditions.checkNotNull(jsonPlan);
	this.archivedUserAccumulators = Preconditions.checkNotNull(archivedUserAccumulators);
	this.serializedUserAccumulators = Preconditions.checkNotNull(serializedUserAccumulators);
	this.archivedExecutionConfig = Preconditions.checkNotNull(executionConfig);
	this.isStoppable = isStoppable;
	this.jobCheckpointingConfiguration = jobCheckpointingConfiguration;
	this.checkpointStatsSnapshot = checkpointStatsSnapshot;
}
 
Example 3
Source Project: kylin-on-parquet-v2   Source File: JobOptimizeRequest.java    License: Apache License 2.0 5 votes vote down vote up
public Set<Long> getCuboidsRecommend() {
    return Sets.newHashSet(FluentIterable.from(cuboidsRecommend).transform(new Function<String, Long>() {
        @Nullable
        @Override
        public Long apply(@Nullable String cuboid) {
            return Long.valueOf(cuboid);
        }
    }));
}
 
Example 4
Source Project: stateful-functions   Source File: ProtobufMessage.java    License: Apache License 2.0 5 votes vote down vote up
@Nullable
private static Address protobufAddressToSdkAddress(EnvelopeAddress address) {
  if (address == null
      || (address.getId().isEmpty()
          && address.getNamespace().isEmpty()
          && address.getType().isEmpty())) {
    return null;
  }
  FunctionType functionType = new FunctionType(address.getNamespace(), address.getType());
  return new Address(functionType, address.getId());
}
 
Example 5
@Inject(method = SPAWN, at = @At(value = "INVOKE", target = "net/minecraft/world/World.spawnEntity(Lnet/minecraft/entity/Entity;)Z"), cancellable = true, locals = LocalCapture.CAPTURE_FAILHARD)
private void hookMobSpawns(World world, @Nullable CompoundTag itemTag, @Nullable Text name, @Nullable PlayerEntity player, BlockPos pos, SpawnType type, boolean alignPosition, boolean bl, CallbackInfoReturnable<Entity> callback, Entity entity) {
	if (!(entity instanceof MobEntity)) {
		return;
	}

	MobEntity mob = (MobEntity) entity;

	if (EntityEvents.doSpecialSpawn(mob, world, pos.getX(), pos.getY(), pos.getZ(), null, type)) {
		callback.setReturnValue(null);
	}
}
 
Example 6
Source Project: presto   Source File: PageFunctionCompiler.java    License: Apache License 2.0 5 votes vote down vote up
@Nullable
@Managed
@Nested
public CacheStatsMBean getProjectionCache()
{
    return projectionCacheStats;
}
 
Example 7
public ParallelProcessingTraverserWorker(
    TraverserConfiguration conf,
    IndexingService indexingService,
    @Nullable ExecutorService executor) {
  super(conf, indexingService);
  this.itemRetriever = conf.getItemRetriever();
  this.hostload = conf.getHostload();
  this.sharedExecutor = executor != null;
  this.executor = sharedExecutor ? executor : Executors.newCachedThreadPool();
  queue = new ConcurrentLinkedQueue<>();
}
 
Example 8
Source Project: Flink-CEPplus   Source File: AvroSerializer.java    License: Apache License 2.0 5 votes vote down vote up
@SuppressWarnings("unchecked")
private void read16Layout(@Nullable String schemaString, ObjectInputStream in)
		throws IOException, ClassNotFoundException {

	Schema schema = AvroFactory.parseSchemaString(schemaString);
	Class<T> type = (Class<T>) in.readObject();

	this.previousSchema = new SerializableAvroSchema();
	this.schema = new SerializableAvroSchema(schema);
	this.type = type;
}
 
Example 9
@Nullable
protected synchronized Map<Integer, VertCoordType> readTable3(String path) {
  try (InputStream is = GribResourceReader.getInputStream(path)) {
    SAXBuilder builder = new SAXBuilder();
    org.jdom2.Document doc = builder.build(is);
    Element root = doc.getRootElement();

    Map<Integer, VertCoordType> result = new HashMap<>(200);
    List<Element> params = root.getChildren("parameter");
    for (Element elem1 : params) {
      int code = Integer.parseInt(elem1.getAttributeValue("code"));
      String desc = elem1.getChildText("description");
      String abbrev = elem1.getChildText("abbrev");
      String units = elem1.getChildText("units");
      String datum = elem1.getChildText("datum");
      boolean isLayer = elem1.getChild("isLayer") != null;
      boolean isPositiveUp = elem1.getChild("isPositiveUp") != null;
      VertCoordType lt = new VertCoordType(code, desc, abbrev, units, datum, isPositiveUp, isLayer);
      result.put(code, lt);
    }

    return Collections.unmodifiableMap(result); // all at once - thread safe
  } catch (IOException | JDOMException e) {
    logger.error("Cant parse NcepLevelTypes = " + path, e);
    return null;
  }
}
 
Example 10
Source Project: flink   Source File: StreamTaskNetworkInput.java    License: Apache License 2.0 5 votes vote down vote up
@Override
@Nullable
public StreamElement pollNextNullable() throws Exception {

	while (true) {
		// get the stream element from the deserializer
		if (currentRecordDeserializer != null) {
			DeserializationResult result = currentRecordDeserializer.getNextRecord(deserializationDelegate);
			if (result.isBufferConsumed()) {
				currentRecordDeserializer.getCurrentBuffer().recycleBuffer();
				currentRecordDeserializer = null;
			}

			if (result.isFullRecord()) {
				return deserializationDelegate.getInstance();
			}
		}

		Optional<BufferOrEvent> bufferOrEvent = checkpointedInputGate.pollNext();
		if (bufferOrEvent.isPresent()) {
			processBufferOrEvent(bufferOrEvent.get());
		} else {
			if (checkpointedInputGate.isFinished()) {
				isFinished = true;
				checkState(checkpointedInputGate.isAvailable().isDone(), "Finished BarrierHandler should be available");
				if (!checkpointedInputGate.isEmpty()) {
					throw new IllegalStateException("Trailing data in checkpoint barrier handler.");
				}
			}
			return null;
		}
	}
}
 
Example 11
Source Project: Flink-CEPplus   Source File: SharedSlot.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Creates a new shared slot that has is a sub-slot of the given parent shared slot, and that belongs
 * to the given task group.
 *
 * @param owner The component from which this slot is allocated.
 * @param location The location info of the TaskManager where the slot was allocated from
 * @param slotNumber The number of the slot.
 * @param taskManagerGateway The gateway to communicate with the TaskManager
 * @param assignmentGroup The assignment group that this shared slot belongs to.
 * @param parent The parent slot of this slot.
 * @param groupId The assignment group of this slot.
 */
public SharedSlot(
		SlotOwner owner,
		TaskManagerLocation location,
		int slotNumber,
		TaskManagerGateway taskManagerGateway,
		SlotSharingGroupAssignment assignmentGroup,
		@Nullable SharedSlot parent,
		@Nullable AbstractID groupId) {

	super(owner, location, slotNumber, taskManagerGateway, parent, groupId);

	this.assignmentGroup = checkNotNull(assignmentGroup);
	this.subSlots = new HashSet<Slot>();
}
 
Example 12
Source Project: Flink-CEPplus   Source File: FileUploadHandler.java    License: Apache License 2.0 5 votes vote down vote up
private void handleError(ChannelHandlerContext ctx, String errorMessage, HttpResponseStatus responseStatus, @Nullable Throwable e) {
	HttpRequest tmpRequest = currentHttpRequest;
	deleteUploadedFiles();
	reset();
	LOG.warn(errorMessage, e);
	HandlerUtils.sendErrorResponse(
		ctx,
		tmpRequest,
		new ErrorResponseBody(errorMessage),
		responseStatus,
		Collections.emptyMap()
	);
	ReferenceCountUtil.release(tmpRequest);
}
 
Example 13
@Nullable
public static Range<Double> getMzRangeFromFormula(String formula, IonizationType ionType,
    MZTolerance mzTolerance, Integer charge) {
  if ((formula == null) || (ionType == null) || (mzTolerance == null) || (charge == null))
    return null;

  String ionizedFormula = FormulaUtils.ionizeFormula(formula, ionType, charge);
  double calculatedMZ = FormulaUtils.calculateExactMass(ionizedFormula, charge) / charge;

  return mzTolerance.getToleranceRange(calculatedMZ);
}
 
Example 14
Source Project: incubator-tuweni   Source File: AES256GCM.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Decrypt a message using a given key and a detached message authentication code.
 *
 * @param cipherText The cipher text to decrypt.
 * @param mac The message authentication code.
 * @param data Extra non-confidential data that is included within the encrypted payload.
 * @param key The key to use for decryption.
 * @param nonce The nonce that was used for encryption.
 * @return The decrypted data, or {@code null} if verification failed.
 * @throws UnsupportedOperationException If AES256-GSM support is not available.
 */
@Nullable
public static byte[] decryptDetached(byte[] cipherText, byte[] mac, byte[] data, Key key, Nonce nonce) {
  assertAvailable();
  checkArgument(!key.isDestroyed(), "Key has been destroyed");

  long abytes = Sodium.crypto_aead_aes256gcm_abytes();
  if (abytes > Integer.MAX_VALUE) {
    throw new IllegalStateException("crypto_aead_aes256gcm_abytes: " + abytes + " is too large");
  }
  if (mac.length != abytes) {
    throw new IllegalArgumentException("mac must be " + abytes + " bytes, got " + mac.length);
  }

  byte[] clearText = new byte[cipherText.length];
  int rc = Sodium
      .crypto_aead_aes256gcm_decrypt_detached(
          clearText,
          null,
          cipherText,
          cipherText.length,
          mac,
          data,
          data.length,
          nonce.value.pointer(),
          key.value.pointer());
  if (rc == -1) {
    return null;
  }
  if (rc != 0) {
    throw new SodiumException("crypto_aead_aes256gcm_encrypt: failed with result " + rc);
  }

  return clearText;
}
 
Example 15
Source Project: mzmine3   Source File: NumberRangeType.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * A formatted string representation of the value
 * 
 * @return the formatted representation of the value (or an empty String)
 */
@Override
@Nonnull
public String getFormattedString(@Nullable Object value) {
  if (value instanceof Range) {
    Range r = (Range) value;
    return getFormatter().format(r.lowerEndpoint()) + "-"
        + getFormatter().format(r.upperEndpoint());
  } else
    return "";
}
 
Example 16
@Override
public ProducerRecord<byte[], byte[]> serialize(
		final ClickEventStatistics message, @Nullable final Long timestamp) {
	try {
		//if topic is null, default topic will be used
		return new ProducerRecord<>(topic, objectMapper.writeValueAsBytes(message));
	} catch (JsonProcessingException e) {
		throw new IllegalArgumentException("Could not serialize record: " + message, e);
	}
}
 
Example 17
Source Project: presto   Source File: StringStatistics.java    License: Apache License 2.0 5 votes vote down vote up
public StringStatistics(@Nullable Slice minimum, @Nullable Slice maximum, long sum)
{
    if (minimum != null && maximum != null && minimum.compareTo(maximum) > 0) {
        throw new IllegalArgumentException(format(
                "minimum is not less than or equal to maximum: '%s' [%s], '%s' [%s]",
                minimum.toStringUtf8(),
                base16().encode(minimum.getBytes()),
                maximum.toStringUtf8(),
                base16().encode(maximum.getBytes())));
    }
    this.minimum = minimum;
    this.maximum = maximum;
    this.sum = sum;
}
 
Example 18
Source Project: Flink-CEPplus   Source File: TestingDispatcher.java    License: Apache License 2.0 5 votes vote down vote up
TestingDispatcher(
	RpcService rpcService,
	String endpointId,
	Configuration configuration,
	HighAvailabilityServices highAvailabilityServices,
	GatewayRetriever<ResourceManagerGateway> resourceManagerGatewayRetriever,
	BlobServer blobServer,
	HeartbeatServices heartbeatServices,
	JobManagerMetricGroup jobManagerMetricGroup,
	@Nullable String metricQueryServicePath,
	ArchivedExecutionGraphStore archivedExecutionGraphStore,
	JobManagerRunnerFactory jobManagerRunnerFactory,
	FatalErrorHandler fatalErrorHandler) throws Exception {
	super(
		rpcService,
		endpointId,
		configuration,
		highAvailabilityServices,
		highAvailabilityServices.getSubmittedJobGraphStore(),
		resourceManagerGatewayRetriever,
		blobServer,
		heartbeatServices,
		jobManagerMetricGroup,
		metricQueryServicePath,
		archivedExecutionGraphStore,
		jobManagerRunnerFactory,
		fatalErrorHandler,
		VoidHistoryServerArchivist.INSTANCE);

	this.startFuture = new CompletableFuture<>();
}
 
Example 19
/**
 * Finds a channel with the given id and contract hash and returns it, or returns null.
 */
@Nullable
public StoredClientChannel getChannel(Sha256Hash id, Sha256Hash contractHash) {
    lock.lock();
    try {
        Set<StoredClientChannel> setChannels = mapChannels.get(id);
        for (StoredClientChannel channel : setChannels) {
            if (channel.contract.getHash().equals(contractHash))
                return channel;
        }
        return null;
    } finally {
        lock.unlock();
    }
}
 
Example 20
Source Project: presto   Source File: LongArrayBlockBuilder.java    License: Apache License 2.0 5 votes vote down vote up
public LongArrayBlockBuilder(@Nullable BlockBuilderStatus blockBuilderStatus, int expectedEntries)
{
    this.blockBuilderStatus = blockBuilderStatus;
    this.initialEntryCount = max(expectedEntries, 1);

    updateDataSize();
}
 
Example 21
Source Project: supl-client   Source File: EllipsoidArc.java    License: Apache License 2.0 4 votes vote down vote up
@Override
@Nullable
protected Asn1Tag getTag() {
  return TAG_EllipsoidArc;
}
 
Example 22
Source Project: opentelemetry-java   Source File: B3PropagatorTest.java    License: Apache License 2.0 4 votes vote down vote up
@Nullable
@Override
public String get(Map<String, String> carrier, String key) {
  return carrier.get(key);
}
 
Example 23
private Optional<JiraCloudSiteConfig> getSiteConfigFor(@Nullable final String jiraSite) {
    return siteConfigRetriever.getJiraSiteConfig(jiraSite);
}
 
Example 24
Source Project: openAGV   Source File: VehicleProcessModelTO.java    License: Apache License 2.0 4 votes vote down vote up
@Nullable
public Triple getPrecisePosition() {
  return precisePosition;
}
 
Example 25
Source Project: supl-client   Source File: RequestAssistanceData.java    License: Apache License 2.0 4 votes vote down vote up
Extend(@Nullable Asn1Tag tag, boolean isImplicitTagging) {
  this.tag = tag;
  this.isImplicitTagging = isImplicitTagging;
}
 
Example 26
@Nullable
default CompoundTag serializeCaps() {
	return getCapabilityProvider().serializeCaps();
}
 
Example 27
Source Project: plugins   Source File: HotColdSolver.java    License: GNU General Public License v3.0 4 votes vote down vote up
/**
 * Process a hot-cold update given a {@link WorldPoint} where a check occurred and the resulting temperature and
 * temperature change discovered at that point. This will filter the set of possible locations which can be the
 * solution.
 *
 * @param worldPoint        The point where a hot-cold check occurred
 * @param temperature       The temperature of the checked point
 * @param temperatureChange The change of temperature of the checked point compared to the previously-checked point
 * @return A set of {@link HotColdLocation}s which are still possible after the filtering occurs. This return value
 * is the same as would be returned by {@code getPossibleLocations()}.
 */
public Set<HotColdLocation> signal(@Nonnull final WorldPoint worldPoint, @Nonnull final HotColdTemperature temperature, @Nullable final HotColdTemperatureChange temperatureChange)
{
	// when the strange device reads a temperature, that means that the center of the final dig location
	// is a range of squares away from the player's current location (Chebyshev AKA Chess-board distance)
	int maxSquaresAway = temperature.getMaxDistance();
	int minSquaresAway = temperature.getMinDistance();

	// maxDistanceArea encompasses all of the points that are within the max possible distance from the player
	final Rectangle maxDistanceArea = new Rectangle(
		worldPoint.getX() - maxSquaresAway,
		worldPoint.getY() - maxSquaresAway,
		2 * maxSquaresAway + 1,
		2 * maxSquaresAway + 1);
	// minDistanceArea encompasses all of the points that are within the min possible distance from the player
	final Rectangle minDistanceArea = new Rectangle(
		worldPoint.getX() - minSquaresAway,
		worldPoint.getY() - minSquaresAway,
		2 * minSquaresAway + 1,
		2 * minSquaresAway + 1);

	// eliminate from consideration dig spots that lie entirely within the min range or entirely outside of the max range
	possibleLocations.removeIf(entry -> minDistanceArea.contains(entry.getRect()) || !maxDistanceArea.intersects(entry.getRect()));

	// if a previous world point has been recorded, we can consider the warmer/colder result from the strange device
	if (lastWorldPoint != null && temperatureChange != null)
	{
		switch (temperatureChange)
		{
			case COLDER:
				// eliminate spots that are absolutely warmer
				possibleLocations.removeIf(entry -> isFirstPointCloserRect(worldPoint, lastWorldPoint, entry.getRect()));
				break;
			case WARMER:
				// eliminate spots that are absolutely colder
				possibleLocations.removeIf(entry -> isFirstPointCloserRect(lastWorldPoint, worldPoint, entry.getRect()));
				break;
			case SAME:
				// eliminate spots which are absolutely colder or warmer (as they would not yield a SAME temperature change)
				possibleLocations.removeIf(entry ->
					isFirstPointCloserRect(worldPoint, lastWorldPoint, entry.getRect())
						|| isFirstPointCloserRect(lastWorldPoint, worldPoint, entry.getRect()));
		}
	}

	lastWorldPoint = worldPoint;
	return getPossibleLocations();
}
 
Example 28
Source Project: presto   Source File: VerifierConfig.java    License: Apache License 2.0 4 votes vote down vote up
@Nullable
public String getTestPasswordOverride()
{
    return testPasswordOverride;
}
 
Example 29
Source Project: supl-client   Source File: UncompressedEphemeris.java    License: Apache License 2.0 4 votes vote down vote up
@Override
@Nullable
protected Asn1Tag getTag() {
  return TAG_ephemIDotType;
}
 
Example 30
Source Project: stateful-functions   Source File: ObjectContainer.java    License: Apache License 2.0 4 votes vote down vote up
Key(Class<?> type, @Nullable String label) {
  this.type = type;
  this.label = label;
}