Example usage for java.util Collections singleton

List of usage examples for java.util Collections singleton

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Introduction

In this page you can find the example usage for java.util Collections singleton.

Prototype

public static <T> Set<T> singleton(T o)

Source Link

Document

Returns an immutable set containing only the specified object.

Usage

From source file:com.opengamma.financial.analytics.UnitPositionScalingFunction.java

@Override
public Set<ValueRequirement> getRequirements(final FunctionCompilationContext context,
        final ComputationTarget target, final ValueRequirement desiredValue) {
    final Position position = target.getPosition();
    final Security security = position.getSecurity();
    final ValueProperties constraints = desiredValue.getConstraints().withoutAny(ValuePropertyNames.FUNCTION);
    final ValueRequirement requirement = new ValueRequirement(_requirementName, ComputationTargetType.SECURITY,
            security.getUniqueId(), constraints);
    return Collections.singleton(requirement);
}

From source file:com.vrem.util.EnumUtilsTest.java

@Test
public void testFindUsingValues() throws Exception {
    // setup//from   w ww.ja v  a 2s  . c  o m
    TestObject expected = TestObject.VALUE1;
    Set<TestObject> values = Collections.singleton(expected);
    // execute
    Set<String> actual = EnumUtils.find(values);
    // validate
    assertEquals(1, actual.size());
    assertTrue(actual.contains("" + expected.ordinal()));
}

From source file:org.openmrs.module.kenyaemr.fragment.controller.Moh257FragmentController.java

/**
 * Convenience method to get encounters from the given form
 * @param patient the patient/*from  ww  w . j  a  va  2  s  .c  o m*/
 * @param form the form
 * @return the encounters
 */
private static List<Encounter> getPatientEncounterByForm(Patient patient, Form form) {
    return Context.getEncounterService().getEncounters(patient, null, null, null, Collections.singleton(form),
            null, null, null, null, false);
}

From source file:grakn.core.graql.analytics.DegreeVertexProgram.java

@Override
public Set<VertexComputeKey> getVertexComputeKeys() {
    return Collections.singleton(VertexComputeKey.of(DEGREE, false));
}

From source file:com.datatorrent.lib.io.fs.AbstractThroughputFileInputOperatorTest.java

@Test
public void testInitialPartitioning() {
    underTest.setPartitionCount(4);// w ww .  j a  v  a2 s.  c o  m
    underTest.setPreferredMaxPendingFilesPerOperator(6);

    for (int i = 0; i < 74; i++) {
        underTest.pendingFiles.add("file-" + i);
    }

    int partitioncount = underTest.getNewPartitionCount(Collections.singleton(mockPartition), null);
    Assert.assertEquals(4, partitioncount);
}

From source file:com.devicehive.handler.notification.NotificationSubscribeInsertIntegrationTest.java

@Test
public void shouldSubscribeToDeviceNotifications() throws Exception {
    String device1 = randomUUID().toString();
    String device2 = randomUUID().toString();

    String subscriber1 = randomUUID().toString();
    String subscriber2 = randomUUID().toString();
    String subscriber3 = randomUUID().toString();

    NotificationSubscribeRequest sr1 = new NotificationSubscribeRequest(subscriber1, device1, null, null);
    Request r1 = Request.newBuilder().withBody(sr1).withSingleReply(false).build();
    TestCallback c1 = new TestCallback();
    client.call(r1, c1);/*from  w  w w . jav a 2s  .  c  o  m*/

    NotificationSubscribeRequest sr2 = new NotificationSubscribeRequest(subscriber1, device2,
            Collections.singleton("temperature"), null);
    Request r2 = Request.newBuilder().withBody(sr2).withSingleReply(false).build();
    TestCallback c2 = new TestCallback();
    client.call(r2, c2);

    NotificationSubscribeRequest sr3 = new NotificationSubscribeRequest(subscriber2, device2, null, null);
    Request r3 = Request.newBuilder().withBody(sr3).withSingleReply(false).build();
    TestCallback c3 = new TestCallback();
    client.call(r3, c3);

    NotificationSubscribeRequest sr4 = new NotificationSubscribeRequest(subscriber2, device1,
            Collections.singleton("vibration"), null);
    Request r4 = Request.newBuilder().withBody(sr4).withSingleReply(false).build();
    TestCallback c4 = new TestCallback();
    client.call(r4, c4);

    NotificationSubscribeRequest sr5 = new NotificationSubscribeRequest(subscriber3, randomUUID().toString(),
            null, null);
    Request r5 = Request.newBuilder().withBody(sr5).withSingleReply(false).build();
    TestCallback c5 = new TestCallback();
    client.call(r5, c5);

    //wait subsribers to subscribe
    Stream.of(c1.subscribeFuture, c2.subscribeFuture, c3.subscribeFuture, c4.subscribeFuture,
            c5.subscribeFuture).forEach(CompletableFuture::join);

    //devices send notifications
    List<CompletableFuture<Response>> futures = Stream.of(device1, device2).flatMap(device -> {
        List<CompletableFuture<Response>> list = Stream.of("temperature", "vibration").map(name -> {
            DeviceNotification notification = new DeviceNotification();
            notification.setId(0);
            notification.setNotification(name);
            notification.setDeviceGuid(device);
            NotificationInsertRequest event = new NotificationInsertRequest(notification);
            CompletableFuture<Response> f = new CompletableFuture<>();
            client.call(Request.newBuilder().withBody(event).build(), f::complete);
            return f;
        }).collect(Collectors.toList());
        return list.stream();
    }).collect(Collectors.toList());

    //wait notifications delivered
    futures.forEach(CompletableFuture::join);

    assertThat(c1.notifications, hasSize(2));
    c1.notifications.forEach(event -> {
        assertNotNull(event.getNotification());
        assertEquals(event.getNotification().getDeviceGuid(), device1);
        assertEquals(event.getNotification().getId(), Long.valueOf(0));
    });
    Set<String> names = c1.notifications.stream().map(n -> n.getNotification().getNotification())
            .collect(Collectors.toSet());
    assertThat(names, containsInAnyOrder("temperature", "vibration"));

    assertThat(c2.notifications, hasSize(1));
    NotificationEvent e = c2.notifications.stream().findFirst().get();
    assertNotNull(e.getNotification());
    assertEquals(e.getNotification().getDeviceGuid(), device2);
    assertEquals(e.getNotification().getId(), Long.valueOf(0));
    assertEquals(e.getNotification().getNotification(), "temperature");

    assertThat(c3.notifications, hasSize(2));
    c3.notifications.forEach(event -> {
        assertNotNull(event.getNotification());
        assertEquals(event.getNotification().getDeviceGuid(), device2);
        assertEquals(event.getNotification().getId(), Long.valueOf(0));
    });
    names = c3.notifications.stream().map(n -> n.getNotification().getNotification())
            .collect(Collectors.toSet());
    assertThat(names, containsInAnyOrder("temperature", "vibration"));

    assertThat(c4.notifications, hasSize(1));
    e = c4.notifications.stream().findFirst().get();
    assertNotNull(e.getNotification());
    assertEquals(e.getNotification().getDeviceGuid(), device1);
    assertEquals(e.getNotification().getId(), Long.valueOf(0));
    assertEquals(e.getNotification().getNotification(), "vibration");

    assertThat(c5.notifications, is(empty()));
}

From source file:com.opengamma.financial.analytics.model.bond.BondPresentValueCountryCurveFunction.java

@Override
public Set<ValueSpecification> getResults(final FunctionCompilationContext context,
        final ComputationTarget target, final Map<ValueSpecification, ValueRequirement> inputs) {
    String curveName = null;/* www .ja v  a 2  s . co  m*/
    for (ValueSpecification input : inputs.keySet()) {
        if (ValueRequirementNames.YIELD_CURVE.equals(input.getValueName())) {
            curveName = input.getProperty(ValuePropertyNames.CURVE);
            break;
        }
    }
    Validate.notNull(curveName, "curveName");
    return Collections
            .singleton(new ValueSpecification(ValueRequirementNames.PRESENT_VALUE, target.toSpecification(),
                    createValueProperties()
                            .with(ValuePropertyNames.COUNTRY, BondFunctionUtils.getCountryName(target))
                            .with(ValuePropertyNames.CURVE, curveName).get()));
}

From source file:org.gridobservatory.greencomputing.dao.MachineDao.java

@Override
public void insert(Machine machine) {
    this.insert(Collections.singleton(machine));
}

From source file:com.opengamma.financial.analytics.model.bond.BondPresentValueCurrencyCurveFunction.java

@Override
public Set<ValueSpecification> getResults(final FunctionCompilationContext context,
        final ComputationTarget target, final Map<ValueSpecification, ValueRequirement> inputs) {
    String curveName = null;/*from  w w  w  .  j  a v  a2  s.  co m*/
    for (ValueSpecification input : inputs.keySet()) {
        if (ValueRequirementNames.YIELD_CURVE.equals(input.getValueName())) {
            curveName = input.getProperty(ValuePropertyNames.CURVE);
            break;
        }
    }
    Validate.notNull(curveName, "curveName");
    return Collections
            .singleton(new ValueSpecification(ValueRequirementNames.PRESENT_VALUE, target.toSpecification(),
                    createValueProperties()
                            .with(ValuePropertyNames.CURRENCY, BondFunctionUtils.getCurrencyName(target))
                            .with(ValuePropertyNames.CURVE, curveName).get()));
}

From source file:org.cloudfoundry.identity.uaa.oauth.CheckTokenEndpointTests.java

public CheckTokenEndpointTests() {
    authentication = new OAuth2Authentication(
            new DefaultAuthorizationRequest("client", Collections.singleton("read")),
            UaaAuthenticationTestFactory.getAuthentication("12345", "olds", "olds@vmware.com"));

    SignerProvider signerProvider = new SignerProvider();
    signerProvider.setSigningKey("abc");
    signerProvider.setVerifierKey("abc");
    tokenServices.setSignerProvider(signerProvider);
    endpoint.setTokenServices(tokenServices);
    Date oneSecondAgo = new Date(System.currentTimeMillis() - 1000);
    Date thirtySecondsAhead = new Date(System.currentTimeMillis() + 30000);
    UaaUserDatabase userDatabase = new MockUaaUserDatabase("12345", "olds", "olds@vmware.com", null, null,
            oneSecondAgo, oneSecondAgo);
    tokenServices.setUserDatabase(userDatabase);

    approvalStore.addApproval(/* ww  w. j  a  va  2s  . c om*/
            new Approval("olds", "client", "read", thirtySecondsAhead, ApprovalStatus.APPROVED, oneSecondAgo));
    approvalStore.addApproval(
            new Approval("olds", "client", "write", thirtySecondsAhead, ApprovalStatus.APPROVED, oneSecondAgo));
    tokenServices.setApprovalStore(approvalStore);

    Map<String, ? extends ClientDetails> clientDetailsStore = Collections.singletonMap("client",
            new BaseClientDetails("client", "scim, cc", "read, write", "authorization_code, password",
                    "scim.read, scim.write", "http://localhost:8080/uaa"));
    clientDetailsService.setClientDetailsStore(clientDetailsStore);
    tokenServices.setClientDetailsService(clientDetailsService);

    accessToken = tokenServices.createAccessToken(authentication);
}