Java Code Examples for java.util.Arrays

@Override
public CompletableFuture<SchemaVersion> getSchemaVersionBySchemaData(
        List<SchemaAndMetadata> schemaAndMetadataList,
        SchemaData schemaData) {
    final CompletableFuture<SchemaVersion> completableFuture = new CompletableFuture<>();
    SchemaVersion schemaVersion;
    for (SchemaAndMetadata schemaAndMetadata : schemaAndMetadataList) {
        if (Arrays.equals(hashFunction.hashBytes(schemaAndMetadata.schema.getData()).asBytes(),
                hashFunction.hashBytes(schemaData.getData()).asBytes())) {
            schemaVersion = schemaAndMetadata.version;
            completableFuture.complete(schemaVersion);
            return completableFuture;
        }
    }
    completableFuture.complete(null);
    return completableFuture;
}
 

@Test
public void recoverWithRecursiveList(){

    AtomicInteger count = new AtomicInteger(0);
    List<Integer> result = of(1, 2, 3).<Integer>map(i -> {
        throw new RuntimeException();
    })
        .recoverWith(e->of(100,200,300).peek(i-> {
            if (count.incrementAndGet() < 200)
                throw new RuntimeException();
        }))
        .stream()
        .toList();


    assertThat(count.get(),greaterThan(200));

    assertThat(result,equalTo(Arrays.asList(100,200,300)));
}
 

@Test
public void testGetBusinessObjectDataNotificationRegistrationsByNotificationFilterTrimParameters()
{
    // Create a business object data notification registration key.
    NotificationRegistrationKey notificationRegistrationKey = new NotificationRegistrationKey(NAMESPACE, NOTIFICATION_NAME);

    // Create and persist a business object data notification registration entity.
    notificationRegistrationDaoTestHelper.createBusinessObjectDataNotificationRegistrationEntity(notificationRegistrationKey,
        NotificationEventTypeEntity.EventTypesBdata.BUS_OBJCT_DATA_STTS_CHG.name(), BDEF_NAMESPACE, BDEF_NAME, FORMAT_USAGE_CODE, FORMAT_FILE_TYPE_CODE,
        FORMAT_VERSION, STORAGE_NAME, BDATA_STATUS, BDATA_STATUS_2, notificationRegistrationDaoTestHelper.getTestJobActions(),
        NotificationRegistrationStatusEntity.ENABLED);

    // Retrieve a list of business object data notification registration keys using input parameters with leading and trailing empty spaces.
    assertEquals(new BusinessObjectDataNotificationRegistrationKeys(Arrays.asList(notificationRegistrationKey)),
        businessObjectDataNotificationRegistrationService.getBusinessObjectDataNotificationRegistrationsByNotificationFilter(
            new BusinessObjectDataNotificationFilter(addWhitespace(BDEF_NAMESPACE), addWhitespace(BDEF_NAME), addWhitespace(FORMAT_USAGE_CODE),
                addWhitespace(FORMAT_FILE_TYPE_CODE), NO_FORMAT_VERSION, NO_STORAGE_NAME, NO_BDATA_STATUS, NO_BDATA_STATUS)));
}
 

@Test
public void removeOperationAfterDelete_addRemove_subsequentOperationsAreNotAffected() {
    List<String> items = resetToRemoveAfterAddCase();

    nodeList.add("foo");
    int index = items.size();
    nodeList.remove(index);

    nodeList.remove(index - 1);
    // As a result: "remove" and "add" before it are discarded and the last
    // "remove" operation is not affected
    List<NodeChange> changes = collectChanges(nodeList);
    Assert.assertEquals(1, changes.size());
    Assert.assertTrue(changes.get(0) instanceof ListRemoveChange<?>);

    verifyRemoved(changes, Arrays.asList(items.get(index - 1)), index - 1);
}
 

public void testGetJsonMapConfig() throws Exception {
    config.clear();
    Map<String, Object> configMap = config.getJsonMapConfig("test");
    // case1: regular config
    Assert.assertEquals("default config", configMap.get("value"));
    // case2: config with environment variable
    if (!OS.startsWith("windows")) {
        Assert.assertEquals(System.getenv("HOME"), configMap.get("value1"));
    }
    // case3: escape from injecting environment variable
    Assert.assertEquals("${ESCAPE}", configMap.get("value2"));
    // case4: override to map with centralized file
    Assert.assertEquals("test", configMap.get("value3"));
    // case5: override to map with centralized file
    Assert.assertEquals(Arrays.asList("element1", "element2"), configMap.get("value4"));
    // case6: override to map with centralized file
    Assert.assertEquals(testMap, configMap.get("value5"));
    // case7: default value start with $ but not escape
    Assert.assertEquals("$abc", configMap.get("value6"));
}
 

@Test
public void testFindByDomain() throws TechnicalException {
    // create resource_set, resource_scopes being the most important field.
    Resource resource1 = new Resource().setResourceScopes(Arrays.asList("a","b","c")).setDomain(DOMAIN_ID).setClientId(CLIENT_ID).setUserId(USER_ID);
    Resource resource2 = new Resource().setResourceScopes(Arrays.asList("d","e","f")).setDomain(DOMAIN_ID).setClientId(CLIENT_ID).setUserId(USER_ID);

    repository.create(resource1).blockingGet();
    repository.create(resource2).blockingGet();

    // fetch applications
    TestObserver<Page<Resource>> testObserver = repository.findByDomain(DOMAIN_ID, 0, Integer.MAX_VALUE).test();
    testObserver.awaitTerminalEvent();

    testObserver.assertComplete();
    testObserver.assertNoErrors();
    testObserver.assertValue(resources -> resources.getData().size() == 2);
}
 

@Test
public void insert_Success() {
    String id = "nm0000001";
    Person newPerson = new Person();
    newPerson.nconst = id;
    newPerson.birthYear = 2020;
    newPerson.primaryName = "Tim Tam";
    newPerson.primaryProfession = Arrays.asList("Test", "Dancer");

    assertThat(this.repo.insert(newPerson), is(newPerson));
    assertThat(this.repo.count(), is(2L));

    Person actual = this.repo.findById(id).get();

    assertThat(actual.nconst, is(id));
    assertThat(actual.primaryName, is("Tim Tam"));
    assertThat(actual.birthYear, is(2020));
    assertThat(actual.deathYear, is(nullValue()));
    assertThat(actual.primaryProfession, is(Arrays.asList("Test", "Dancer")));
    assertThat(actual.knownForTitles, is(nullValue()));
}
 

@Override
public boolean equals(java.lang.Object o) {
  if (this == o) {
    return true;
  }
  if (o == null || getClass() != o.getClass()) {
    return false;
  }
  FormatTest formatTest = (FormatTest) o;
  return Objects.equals(this.integer, formatTest.integer) &&
      Objects.equals(this.int32, formatTest.int32) &&
      Objects.equals(this.int64, formatTest.int64) &&
      Objects.equals(this.number, formatTest.number) &&
      Objects.equals(this._float, formatTest._float) &&
      Objects.equals(this._double, formatTest._double) &&
      Objects.equals(this.string, formatTest.string) &&
      Arrays.equals(this._byte, formatTest._byte) &&
      Objects.equals(this.binary, formatTest.binary) &&
      Objects.equals(this.date, formatTest.date) &&
      Objects.equals(this.dateTime, formatTest.dateTime) &&
      Objects.equals(this.uuid, formatTest.uuid) &&
      Objects.equals(this.password, formatTest.password) &&
      Objects.equals(this.bigDecimal, formatTest.bigDecimal);
}
 

@Test
public void testCreatedSigAndPubkeyAreCanonical() throws Exception {
    // Tests that we will not generate non-canonical pubkeys or signatures
    // We dump failed data to error log because this test is not expected to be deterministic
    ECKey key = new ECKey();
    if (!ECKey.isPubKeyCanonical(key.getPubKey())) {
        log.error(Utils.HEX.encode(key.getPubKey()));
        fail();
    }

    byte[] hash = new byte[32];
    new Random().nextBytes(hash);
    byte[] sigBytes = key.sign(Sha256Hash.wrap(hash)).encodeToDER();
    byte[] encodedSig = Arrays.copyOf(sigBytes, sigBytes.length + 1);
    encodedSig[sigBytes.length] = Transaction.SigHash.ALL.byteValue();
    if (!TransactionSignature.isEncodingCanonical(encodedSig)) {
        log.error(Utils.HEX.encode(sigBytes));
        fail();
    }
}
 

@Test
public void testComplexField() throws SyntaxError {

    HashMap<String, String> dateIntervals = new HashMap<>();
    dateIntervals.put("after","[NOW+23DAYS/DAY TO *]");
    dateIntervals.put("before","[* TO NOW+23DAYS/DAY]");

    HashMap<String, String> numberIntervals = new HashMap<>();
    numberIntervals.put("bigger","[23 TO *]");
    numberIntervals.put("smaller","[* TO 22]");

    SingleValuedComplexField.UtilDateComplexField<Taxonomy,Date,Date> complexDateField = new ComplexFieldDescriptorBuilder<Taxonomy,Date,Date>()
            .setFacet(true, tax -> Arrays.asList(tax.getDate()))
            .buildUtilDateComplexField("complexDateTax", Taxonomy.class, Date.class, Date.class);

    SingleValuedComplexField.NumericComplexField<Taxonomy,Number,Number> complexNumberField = new ComplexFieldDescriptorBuilder<Taxonomy,Number,Number>()
            .setFacet(true, tax -> Arrays.asList(tax.getTerm()))
            .buildNumericComplexField("complexNumberTax", Taxonomy.class, Number.class, Number.class);

    Assert.assertTrue(FacetMapper.stringQuery2FacetMapper(complexDateField, "dateFacet",dateIntervals).getName().equals("dateFacet"));
    Assert.assertTrue(FacetMapper.stringQuery2FacetMapper(complexNumberField, "numericFacet", numberIntervals).getName().equals("numericFacet"));

    Assert.assertTrue(true);
}
 

@Test
public void putsJobSuccessWhenBuildSucceeds() {
    // given
    when(mockBuild.getResult()).thenReturn(Result.SUCCESS);
    when(mockJobData.getOutputArtifacts()).thenReturn(generateOutputArtifactsWithNames(Arrays.asList("artifact_1", "artifact_2")));

    // when
    assertTrue(publisher.perform(mockBuild, null, null));

    // then
    final InOrder inOrder = inOrder(mockFactory, mockAWS, mockCodePipelineClient);
    inOrder.verify(mockFactory).getAwsClient(ACCESS_KEY, SECRET_KEY, PROXY_HOST, PROXY_PORT, REGION, PLUGIN_VERSION);
    inOrder.verify(mockAWS).getCodePipelineClient();
    inOrder.verify(mockCodePipelineClient).putJobSuccessResult(putJobSuccessResultRequest.capture());

    final PutJobSuccessResultRequest request = putJobSuccessResultRequest.getValue();
    assertEquals(jobId, request.getJobId());
    assertEquals(BUILD_ID, request.getExecutionDetails().getExternalExecutionId());
    assertEquals("Finished", request.getExecutionDetails().getSummary());

    assertContainsIgnoreCase(PUBLISHING_ARTIFACTS_MESSAGE, outContent.toString());
    assertContainsIgnoreCase(PUT_JOB_SUCCESS_MESSAGE, outContent.toString());
}
 

/** */
private void checkQueryWithRebalance(CacheMode cacheMode) throws Exception {
    IgniteEx ign0 = startGrid(0);

    IgniteCache<Object, Object> cache = ign0.createCache(new CacheConfiguration<>(DEFAULT_CACHE_NAME)
        .setCacheMode(cacheMode)
        .setIndexedTypes(Integer.class, Integer.class));

    cache.put(1, 2);

    blockRebalanceSupplyMessages(ign0, DEFAULT_CACHE_NAME, getTestIgniteInstanceName(1));

    startGrid(1);
    startClientGrid(10);

    for (Ignite ign : G.allGrids()) {
        List<List<?>> res = ign.cache(DEFAULT_CACHE_NAME)
            .query(new SqlFieldsQuery("select * from Integer")).getAll();

        assertEquals(1, res.size());
        assertEqualsCollections(Arrays.asList(1, 2), res.get(0));
    }
}
 

@Test
public void emptyProposerReturnsNoVotes() {
  final VoteProposer proposer = new VoteProposer();

  assertThat(proposer.getVote(localAddress, new VoteTally(Collections.emptyList())))
      .isEqualTo(Optional.empty());
  assertThat(
          proposer.getVote(
              localAddress,
              new VoteTally(
                  Arrays.asList(
                      Address.fromHexString("0"),
                      Address.fromHexString("1"),
                      Address.fromHexString("2")))))
      .isEqualTo(Optional.empty());
}
 

public static List<ClassPath> gerClassPath(Project project) {
    List<ClassPath> paths = new ArrayList<ClassPath>();
    List<SourceGroup> groups = new ArrayList<SourceGroup>();
    groups.addAll(Arrays.asList(ProjectUtils.getSources(project).getSourceGroups(JavaProjectConstants.SOURCES_TYPE_JAVA)));
    ClassPathProvider cpp = project.getLookup().lookup(ClassPathProvider.class);
    for (SourceGroup group : groups) {
        ClassPath cp = cpp.findClassPath(group.getRootFolder(), ClassPath.COMPILE);
        if (cp != null) {
            paths.add(cp);
        }
        cp = cpp.findClassPath(group.getRootFolder(), ClassPath.SOURCE);
        if (cp != null) {
            paths.add(cp);
        }
    }
    return paths;
}
 

/**
 * Returns an unmodifiable Map of general request
 * properties for this connection. The Map keys
 * are Strings that represent the request-header
 * field names. Each Map value is a unmodifiable List
 * of Strings that represents the corresponding
 * field values.
 *
 * @return  a Map of the general request properties for this connection.
 * @throws IllegalStateException if already connected
 * @since 1.4
 */
@Override
public synchronized Map<String, List<String>> getRequestProperties() {
    if (connected)
        throw new IllegalStateException("Already connected");

    // exclude headers containing security-sensitive info
    if (setUserCookies) {
        return requests.getHeaders(EXCLUDE_HEADERS);
    }
    /*
     * The cookies in the requests message headers may have
     * been modified. Use the saved user cookies instead.
     */
    Map<String, List<String>> userCookiesMap = null;
    if (userCookies != null || userCookies2 != null) {
        userCookiesMap = new HashMap<>();
        if (userCookies != null) {
            userCookiesMap.put("Cookie", Arrays.asList(userCookies));
        }
        if (userCookies2 != null) {
            userCookiesMap.put("Cookie2", Arrays.asList(userCookies2));
        }
    }
    return requests.filterAndAddHeaders(EXCLUDE_HEADERS2, userCookiesMap);
}
 

@Test
public void boundariesShouldBeDefinedByTheLowestAndHighestPoints() {
	Coords3d c1 = new Coords3d(0.0, 10.0, 20.0);
	Coords3d c2 = new Coords3d(15.5, 7.0, 30.0);
	Coords3d c3 = new Coords3d(20.0, 3.14, 40.0);
	Coords3d c4 = new Coords3d(25.0, 5, 60.0);
	
	Triangle3d t1 = new Triangle3d(c1, c2, c3);
	Triangle3d t2 = new Triangle3d(c2, c3, c4);
	
	Polyhedron polyhedron = new Polyhedron(Arrays.asList(t1, t2));
	
	Boundaries3d boundaries = polyhedron.getBoundaries();
	
	assertDoubleEquals(0.0, boundaries.getX().getMin());
	assertDoubleEquals(25.0, boundaries.getX().getMax());
	
	assertDoubleEquals(3.14, boundaries.getY().getMin());
	assertDoubleEquals(10.0, boundaries.getY().getMax());
	
	assertDoubleEquals(20.0, boundaries.getZ().getMin());
	assertDoubleEquals(60.0, boundaries.getZ().getMax());
}
 

private static boolean checkOptionArgsNumber(Option[] options) {
  for (Option option : options) {
    int argNb = option.getArgs();
    String[] args = option.getValues();
    if (argNb == 0) {
      if (args != null && args.length > 0) {
        System.err.println(option.getArgName() + " shall have " + argNb + " arguments (was "
            + Arrays.toString(args) + ")");
        return false;
      }
    } else {
      if (args == null || args.length != argNb) {
        System.err.println(option.getArgName() + " shall have " + argNb + " arguments (was "
            + Arrays.toString(args) + ")");
        return false;
      }
    }
  }
  return true;
}
 

@Test
public void testBasic()
{
    Migration m1 = () -> Arrays.asList(v1opA, v1opB);
    Migration m2 = () -> Collections.singletonList(v2op);
    Migration m3 = () -> Collections.singletonList(v3op);
    MigrationSet migrationSet = MigrationSet.build("1", Arrays.asList(m1, m2, m3));

    complete(manager.migrate(migrationSet));

    ModeledFramework<ModelV3> v3Client = ModeledFramework.wrap(client, v3Spec);
    complete(v3Client.read(), (m, e) -> {
        Assert.assertEquals(m.getAge(), 30);
        Assert.assertEquals(m.getFirstName(), "One");
        Assert.assertEquals(m.getLastName(), "Two");
    });

    int count = manager.debugCount.get();
    complete(manager.migrate(migrationSet));
    Assert.assertEquals(manager.debugCount.get(), count);   // second call should do nothing
}
 

static Vector<BarcodeFormat> parseDecodeFormats(Uri inputUri) {
  List<String> formats = inputUri.getQueryParameters(Intents.Scan.SCAN_FORMATS);
  if (formats != null && formats.size() == 1 && formats.get(0) != null){
    formats = Arrays.asList(COMMA_PATTERN.split(formats.get(0)));
  }
  return parseDecodeFormats(formats, inputUri.getQueryParameter(Intents.Scan.MODE));
}
 

void add(Method m) {
    if (length == methods.length) {
        methods = Arrays.copyOf(methods, 2 * methods.length);
    }
    methods[length++] = m;

    if (m != null && m.isDefault())
        defaults++;
}
 

@Test
public void testInsertByteArrayField() {
  byte[] salt = new byte[16];
  random.nextBytes(salt);
  ByteArrayField entity = new ByteArrayField();
  entity.setSalt(salt);
  entity = em.insert(entity);
  entity = em.load(ByteArrayField.class, entity.getId());
  assertTrue(entity.getId() > 0 && Arrays.equals(entity.getSalt(), salt));
}
 

@Override
public void fill(final Element... elements) {
    final Queue<Element> queue = new LinkedList<>(
        Arrays.asList(Objects.requireNonNull(elements))
    );
    forEachSlot((y, x) -> {
        if (queue.isEmpty()) {
            queue.addAll(Arrays.asList(elements));
        }
        if (paneElements[y][x].is(emptyElement())) {
            paneElements[y][x] = queue.poll();
        }
    });
    this.source.notifyTargets(new Object());
}
 

@Override
public String toString() {
  return "ChunkIndex("
      + "length="
      + length
      + ", sizes="
      + Arrays.toString(sizes)
      + ", offsets="
      + Arrays.toString(offsets)
      + ", timeUs="
      + Arrays.toString(timesUs)
      + ", durationsUs="
      + Arrays.toString(durationsUs)
      + ")";
}
 

void test(String name, String... expected) {
    List<Name> result = enclosingCandidates(names.fromString(name));
    if (!result.isEmpty() || expected.length != 0) {
        Name[] expectedNames = new Name[expected.length];
        int i = 0;
        for (String s : expected)
            expectedNames[i++] = names.fromString(s);
        if (!Arrays.equals(result.toArray(), expectedNames))
            throw new AssertionError(name + " : " +
                                     Arrays.toString(expectedNames) + " != " + result);
    }
    System.out.format((Locale)null, "OK: %s -> [%s]%n", name, result);
}
 

private boolean matchSubjectKeyID(X509Certificate xcert) {
    if (ski == null) {
        return true;
    }
    try {
        byte[] extVal = xcert.getExtensionValue("2.5.29.14");
        if (extVal == null) {
            if (debug != null) {
                debug.println("AdaptableX509CertSelector.match: "
                    + "no subject key ID extension. Subject: "
                    + xcert.getSubjectX500Principal());
            }
            return true;
        }
        DerInputStream in = new DerInputStream(extVal);
        byte[] certSubjectKeyID = in.getOctetString();
        if (certSubjectKeyID == null ||
                !Arrays.equals(ski, certSubjectKeyID)) {
            if (debug != null) {
                debug.println("AdaptableX509CertSelector.match: "
                    + "subject key IDs don't match. "
                    + "Expected: " + Arrays.toString(ski) + " "
                    + "Cert's: " + Arrays.toString(certSubjectKeyID));
            }
            return false;
        }
    } catch (IOException ex) {
        if (debug != null) {
            debug.println("AdaptableX509CertSelector.match: "
                + "exception in subject key ID check");
        }
        return false;
    }
    return true;
}
 

/**
 * Creates a new instance of Epoch for acceptors
 * 
 * @param controller
 * @param parent
 *            Consensus to which this epoch belongs
 * @param timestamp
 *            Timestamp of the epoch
 */
public Epoch(ServerViewController controller, Consensus parent, int timestamp) {
	this.consensus = parent;
	this.timestamp = timestamp;
	this.controller = controller;
	this.proof = new HashSet<>();
	// ExecutionManager manager = consensus.getManager();

	this.lastView = controller.getCurrentView();
	this.me = controller.getStaticConf().getProcessId();

	// int[] acceptors = manager.getAcceptors();
	int n = controller.getCurrentViewN();

	writeSetted = new boolean[n];
	acceptSetted = new boolean[n];

	Arrays.fill(writeSetted, false);
	Arrays.fill(acceptSetted, false);

	if (timestamp == 0) {
		this.write = new byte[n][];
		this.accept = new byte[n][];

		Arrays.fill((Object[]) write, null);
		Arrays.fill((Object[]) accept, null);
	} else {
		Epoch previousEpoch = consensus.getEpoch(timestamp - 1, controller);

		this.write = previousEpoch.getWrite();
		this.accept = previousEpoch.getAccept();
	}
}
 

MessagingWhen(BlockBuilder blockBuilder,
		GeneratedClassMetaData generatedClassMetaData) {
	this.blockBuilder = blockBuilder;
	this.generatedClassMetaData = generatedClassMetaData;
	this.whens.addAll(Arrays.asList(new MessagingTriggeredByWhen(this.blockBuilder),
			new MessagingBodyWhen(this.blockBuilder),
			new MessagingAssertThatWhen(this.blockBuilder)));
}
 

public static void main(String[] args) {
    Properties props = new Properties();

    props.put("bootstrap.servers", "192.169.0.23:9092");
    System.out.println("this is the group part test 1");
    //消费者的组id
    props.put("group.id", "GroupA");//这里是GroupA或者GroupB

    props.put("enable.auto.commit", "true");
    props.put("auto.commit.interval.ms", "1000");

    //从poll(拉)的回话处理时长
    props.put("session.timeout.ms", "30000");
    //poll的数量限制
    //props.put("max.poll.records", "100");

    props.put("key.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");

    props.put("value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");

    KafkaConsumer<String, String> consumer = new KafkaConsumer<String, String>(props);
    //订阅主题列表topic
    consumer.subscribe(Arrays.asList("foo"));
    while (true) {
        ConsumerRecords<String, String> records =consumer.poll(100);
        for (ConsumerRecord<String, String> record : records)
            //　正常这里应该使用线程池处理，不应该在这里处理
            System.out.printf("offset = %d, key = %s, value = %s", record.offset(), record.key(), record.value()+"\n");
    }
}
 

private void initCombinedFrom(List<ConfigModel> configModels) {
  for (ConfigModel model : configModels) {
    Configuration conf = ConfigUtil.createLocalConfig(Arrays.asList(model));
    String name =
        conf.getString(CONFIG_QUALIFIED_MICROSERVICE_NAME_KEY, DEFAULT_MICROSERVICE_NAME);
    if (!StringUtils.isEmpty(name)) {
      checkMicroserviceName(name);
      combinedFrom.add(name);
    }
  }

  combinedFrom.remove(microserviceName);
}
 

@Override
List<List<ClassKind>> permutations() {
    return Arrays.asList(
        Arrays.asList(ClassKind.A, ClassKind.B, ClassKind.C),
        Arrays.asList(ClassKind.A, ClassKind.B, ClassKind.C),
        Arrays.asList(ClassKind.B, ClassKind.A, ClassKind.C),
        Arrays.asList(ClassKind.B, ClassKind.C, ClassKind.A),
        Arrays.asList(ClassKind.C, ClassKind.A, ClassKind.B),
        Arrays.asList(ClassKind.C, ClassKind.B, ClassKind.A)
    );
}