Java Code Examples for java.util.Collections#singleton()

The following examples show how to use java.util.Collections#singleton() . 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 check out the related API usage on the sidebar.
Example 1
Source Project: FHIR   File: DerbyMigrationTest.java    License: Apache License 2.0 6 votes vote down vote up
@Test
public void testMigrateFhirSchema() throws Exception {
    Set<String> resourceTypes = Collections.singleton("Observation");

    // 1. Create the new schema
    String dbPath = TARGET_DIR + "2020-1";
    try (DerbyMaster db_2020_1 = new DerbyMaster(TARGET_DIR + "2020-1")) {
        createOrUpgradeSchema(resourceTypes, db_2020_1);
        List<String> db_2020_1_ddl = inferDDL(dbPath);

        // 2. Create the old schema
        dbPath = TARGET_DIR + "2019";
        try (DerbyMaster db_2019 = createOldDerbyDatabase(dbPath, resourceTypes)) {

            // 3. Upgrade the old schema to the new one
            createOrUpgradeSchema(resourceTypes, db_2019);
            System.out.println("FHIR database migrated successfully.");

            // 4. Assert they match
            List<String> db_2019_migrated_ddl = inferDDL(dbPath);
            System.out.println("2019 migrated: " + db_2019_migrated_ddl);
            System.out.println("2020-1: " + db_2020_1_ddl);
            assertEquals(db_2020_1_ddl, db_2019_migrated_ddl);
        }
    }
}
 
Example 2
@Override
public Set<WeightedForwardQuery<TransitionFunction>> generateSeed(SootMethod method, Unit unit) {
    Iterator<Edge> edIt = Scene.v().getCallGraph().edgesOutOf(unit);
    while (edIt.hasNext()) {
        SootMethod m = edIt.next().getTgt().method();
        if (retrieveIteratorConstructors().contains(m)) {
            Stmt stmt = ((Stmt) unit);
            InvokeExpr invokeExpr = stmt.getInvokeExpr();
            if (stmt instanceof AssignStmt) {
                AssignStmt assignStmt = (AssignStmt) stmt;
                InstanceInvokeExpr iie = (InstanceInvokeExpr) invokeExpr;
                return Collections
                        .singleton(new WeightedForwardQuery<>(
                                new Statement(stmt, method), new AllocVal(assignStmt.getLeftOp(), method,
                                        assignStmt.getLeftOp(), new Statement((Stmt) unit, m)),
                                initialTransition()));
            }
        }
    }
    return Collections.emptySet();
}
 
Example 3
private Set<String> getPackagesToScan(AnnotationMetadata metadata) {
	AnnotationAttributes attributes = AnnotationAttributes
			.fromMap(metadata.getAnnotationAttributes(WebGuestComponentScan.class.getName()));
	String[] value = attributes.getStringArray("value");
	String[] basePackages = attributes.getStringArray("basePackages");
	Class<?>[] basePackageClasses = attributes.getClassArray("basePackageClasses");
	if (!ObjectUtils.isEmpty(value)) {
		Assert.state(ObjectUtils.isEmpty(basePackages),
				"@WebGuestComponentScan basePackages and value attributes are mutually exclusive");
	}
	Set<String> packagesToScan = new LinkedHashSet<String>();
	packagesToScan.addAll(Arrays.asList(value));
	packagesToScan.addAll(Arrays.asList(basePackages));
	for (Class<?> basePackageClass : basePackageClasses) {
		packagesToScan.add(ClassUtils.getPackageName(basePackageClass));
	}
	if (packagesToScan.isEmpty()) {
		return Collections.singleton(ClassUtils.getPackageName(metadata.getClassName()));
	}
	return packagesToScan;
}
 
Example 4
@Override
public Collection<Document> toDocuments(LuceneIndex index, TrainStop value) {

  Document doc = new Document();
  // Index the name of the train stop
  doc.add(new TextField("name", value.getName(), Field.Store.NO));

  Field[] fields = SpatialHelper.getIndexableFields(value.getLongitude(), value.getLatitude());

  for (Field field : fields) {
    doc.add(field);
  }

  return Collections.singleton(doc);
}
 
Example 5
@Override
public Collection<LocationIdentity> getLocations() {
    if (locationIdentity == null) {
        return Collections.emptySet();
    } else {
        return Collections.singleton(locationIdentity);
    }
}
 
Example 6
@Test
public void testCreatePrivilege_applicationWithAllAction() {
  when(authorizationManager.getPrivilege("name")).thenThrow(new NoSuchPrivilegeException("name"));

  ApiPrivilegeApplicationRequest apiPrivilege = new ApiPrivilegeApplicationRequest("name", "description", "domain",
      Collections.singleton(PrivilegeAction.ALL));

  underTest.createPrivilege(apiPrivilege);

  ArgumentCaptor<Privilege> argument = ArgumentCaptor.forClass(Privilege.class);
  verify(authorizationManager).addPrivilege(argument.capture());
  assertPrivilege(argument.getValue(), "name", "description", DOMAIN_KEY, "domain", ACTIONS_KEY, "*");
}
 
Example 7
Source Project: datawave   File: QueryFunctions.java    License: Apache License 2.0 5 votes vote down vote up
public static Collection<?> between(Object field, String left, boolean leftInclusive, String right, boolean rightInclusive) {
    // we only want to test against the normalized variant to be consistent with the DatawaveArithmetic
    String fieldValue = ValueTuple.getNormalizedStringValue(field);
    if (fieldValue != null) {
        int leftComparison = fieldValue.compareTo(left);
        if (leftComparison > 0 || (leftInclusive && leftComparison == 0)) {
            int rightComparison = fieldValue.compareTo(right);
            if (rightComparison < 0 || (rightInclusive && rightComparison == 0)) {
                return Collections.singleton(getHitTermString(field));
            }
        }
    }
    return Collections.emptySet();
}
 
Example 8
@Override
public Collection<CanvasObject> getObjects() {
	return Collections.singleton((CanvasObject) text);
}
 
Example 9
Source Project: jeka   File: JkLocalLibDependency.java    License: Apache License 2.0 4 votes vote down vote up
private JkLocalLibDependency(Runnable producer, Path file, Path ideProjectDir, JkDependencySet dependencies) {
    super(producer, ideProjectDir, Collections.singleton(file));
    this.dependencies = dependencies.withIdeProjectDir(ideProjectDir);
}
 
Example 10
/**
 * Test JMX metrics.
 *
 * @throws Exception If failed.
 */
@Test
public void testJmxClusterMetrics() throws Exception {
    Ignite node = grid();

    Ignite node1 = startGrid(1);
    Ignite node2 = startClientGrid(2);

    waitForDiscovery(node2, node1, node);

    UUID nodeId0 = node.cluster().localNode().id();
    UUID nodeId1 = node1.cluster().localNode().id();
    UUID nodeId2 = node2.cluster().localNode().id();

    Set<UUID> srvNodes = new HashSet<>(Arrays.asList(nodeId0, nodeId1));
    Set<UUID> clientNodes = Collections.singleton(nodeId2);
    Set<UUID> allNodes = new HashSet<>(Arrays.asList(nodeId0, nodeId1, nodeId2));

    // ClusterMetricsMXBeanImpl test.
    JmxClusterMetricsHelper helperCluster = new JmxClusterMetricsHelper(node.configuration(),
        ClusterMetricsMXBeanImpl.class);

    assertEquals(node.cluster().topologyVersion(), helperCluster.attr("TopologyVersion"));

    assertEquals(2, helperCluster.attr("TotalServerNodes"));
    assertEquals(1, helperCluster.attr("TotalClientNodes"));

    assertEquals(allNodes, helperCluster.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, true, true));
    assertEquals(srvNodes, helperCluster.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, true, false));
    assertEquals(clientNodes, helperCluster.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, false, true));
    assertEquals(Collections.emptySet(), helperCluster.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, false, false));

    assertEquals(srvNodes, helperCluster.nodeIdsForAttribute(ATTR_CLIENT_MODE, "false", true, true));
    assertEquals(Collections.emptySet(), helperCluster.nodeIdsForAttribute(ATTR_CLIENT_MODE, "false", false,
        false));
    assertEquals(clientNodes, helperCluster.nodeIdsForAttribute(ATTR_CLIENT_MODE, "true", true, true));

    assertTrue(helperCluster.attributeNames().containsAll(node.cluster().localNode().attributes().keySet()));
    assertTrue(helperCluster.attributeNames().containsAll(node1.cluster().localNode().attributes().keySet()));
    assertTrue(helperCluster.attributeNames().containsAll(node2.cluster().localNode().attributes().keySet()));

    assertEquals(new HashSet<>(Arrays.asList("true", "false")), helperCluster.attributeValues(ATTR_CLIENT_MODE));
    assertEquals(Collections.emptySet(), helperCluster.attributeValues("NO_SUCH_ATTRIBUTE"));

    // ClusterLocalNodeMetricsMXBeanImpl test.
    JmxClusterMetricsHelper helperNode0 = new JmxClusterMetricsHelper(node.configuration(),
        ClusterLocalNodeMetricsMXBeanImpl.class);
    JmxClusterMetricsHelper helperNode2 = new JmxClusterMetricsHelper(node2.configuration(),
        ClusterLocalNodeMetricsMXBeanImpl.class);

    // For server node.
    assertEquals(1, helperNode0.attr("TotalServerNodes"));
    assertEquals(0, helperNode0.attr("TotalClientNodes"));

    assertEquals(node.cluster().topologyVersion(), helperNode0.attr("TopologyVersion"));

    assertEquals(node.cluster().localNode().attributes().keySet(), helperNode0.attributeNames());

    assertEquals(Collections.singleton("false"), helperNode0.attributeValues(ATTR_CLIENT_MODE));
    assertEquals(Collections.emptySet(), helperNode0.attributeValues("NO_SUCH_ATTRIBUTE"));

    assertEquals(Collections.singleton(nodeId0), helperNode0.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, true,
        true));
    assertEquals(Collections.singleton(nodeId0), helperNode0.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, true,
        false));
    assertEquals(Collections.emptySet(), helperNode0.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, false, true));
    assertEquals(Collections.emptySet(), helperNode0.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, false, false));

    // For client node.
    assertEquals(0, helperNode2.attr("TotalServerNodes"));
    assertEquals(1, helperNode2.attr("TotalClientNodes"));

    assertEquals(node.cluster().topologyVersion(), helperNode2.attr("TopologyVersion"));

    assertEquals(node2.cluster().localNode().attributes().keySet(), helperNode2.attributeNames());

    assertEquals(Collections.singleton("true"), helperNode2.attributeValues(ATTR_CLIENT_MODE));
    assertEquals(Collections.emptySet(), helperNode2.attributeValues("NO_SUCH_ATTRIBUTE"));

    assertEquals(Collections.singleton(nodeId2), helperNode2.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, true,
        true));
    assertEquals(Collections.emptySet(), helperNode2.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, true, false));
    assertEquals(Collections.singleton(nodeId2), helperNode2.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, false,
        true));
    assertEquals(Collections.emptySet(), helperNode2.nodeIdsForAttribute(ATTR_BUILD_VER, VER_STR, false, false));
}
 
Example 11
protected Set<String> getObject() {
    return Collections.singleton("string");
}
 
Example 12
@Override
public Set<Class<?>> getClasses() {
    return Collections.singleton(RequestDispatcherController.class);
}
 
Example 13
@Override
public Set<MapDoc.Gamemode> getGamemodes(MapModuleContext context) {
    return isEnabled() ? Collections.singleton(MapDoc.Gamemode.blitz) : Collections.emptySet();
}
 
Example 14
Source Project: synthea   File: TransitionMetricsTest.java    License: Apache License 2.0 4 votes vote down vote up
@Test public void testExampleModule() throws Exception {
  Person person = new Person(0L);
  person.attributes.put(Person.RACE, "black");
  person.attributes.put(Person.ETHNICITY, "nonhispanic");
  person.attributes.put(Person.GENDER, "F");
  long time = System.currentTimeMillis();
  LifecycleModule.birth(person, time);
  
  Module example = TestHelper.getFixture("example_module.json");
  // some notes about this example module:
  // 1. gender != M --> transition immediately to terminal
  // 2. Age_Guard waits until age 40 and transitions 90% to terminal
  //    so we need a fixed seed to ensure we hit things
  
  time = run(person, example, time);
  
  TransitionMetrics metrics = new TransitionMetrics();
  
  Collection<Module> modules = Collections.singleton(example);
  
  metrics.recordStats(person, time, modules);
  metrics.printStats(1, modules); // print it to ensure no exceptions. don't parse the output

  Metric m = metrics.getMetric(example.name, "Initial");
  assertEquals(1, m.entered.get()); // 1 person entered the state
  assertEquals(0, m.current.get()); // none currently in this state
  
  Map<String,AtomicInteger> dests = m.destinations;
  assertEquals(null, dests.get("Age_Guard")); // the 1 person did not go here
  assertEquals(1, dests.get("Terminal").get()); // they went here
  
  m = metrics.getMetric(example.name, "Pre_Examplitis");
  assertEquals(0, m.entered.get()); // nobody hit this
  
  m = metrics.getMetric(example.name, "Terminal");
  assertEquals(1, m.entered.get()); // 1 person hit this
  assertEquals(1, m.current.get()); // and is still there
  
  metrics = new TransitionMetrics();
  for (long seed : new long[] {31255L, 0L, 12345L}) {
    // seeds chosen by experimentation, to ensure we hit "Pre_Examplitis" at least once
    person = new Person(seed); 
    person.attributes.put(Person.GENDER, "M");
    person.setProvider(EncounterType.WELLNESS, Mockito.mock(Provider.class));
    time = System.currentTimeMillis();
    person.attributes.put(Person.BIRTHDATE, time);

    time = run(person, example, time);
    metrics.recordStats(person, time, modules);
  }

  metrics.printStats(3, modules); // print it to ensure no exceptions

  m = metrics.getMetric(example.name, "Initial");
  assertEquals(3, m.entered.get()); // 3 people entered the state
  assertEquals(0, m.current.get()); // none currently in this state
  
  dests = m.destinations;
  assertEquals(null, dests.get("Terminal")); // the 3 people did not go here
  assertEquals(3, dests.get("Age_Guard").get()); // they went here
  
  m = metrics.getMetric(example.name, "Pre_Examplitis");
  assertEquals(1, m.entered.get());
  
  m = metrics.getMetric(example.name, "Terminal");
  assertEquals(3, m.entered.get());
  assertEquals(3, m.current.get());
}
 
Example 15
Source Project: xtext-core   File: SlotEntry.java    License: Eclipse Public License 2.0 4 votes vote down vote up
protected Set<String> getNsUris() {
	if (nsURI != null)
		return Collections.singleton(nsURI);
	return Sets.newHashSet(EPackage.Registry.INSTANCE.keySet());
}
 
Example 16
Source Project: herddb   File: SimpleSubqueryTest.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void subQueryOnWhereTest() throws Exception {
    String nodeId = "localhost";
    try (DBManager manager = new DBManager("localhost", new MemoryMetadataStorageManager(), new MemoryDataStorageManager(), new MemoryCommitLogManager(), null, null)) {
        manager.start();
        CreateTableSpaceStatement st1 = new CreateTableSpaceStatement("tblspace1", Collections.singleton(nodeId), nodeId, 1, 0, 0);
        manager.executeStatement(st1, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.waitForTablespace("tblspace1", 10000);

        execute(manager, "CREATE TABLE tblspace1.table1 (k1 string primary key,n1 int)", Collections.emptyList());
        execute(manager, "CREATE TABLE tblspace1.table2 (k2 string primary key,fk string)", Collections.emptyList());

        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.table1(k1,n1) values(?,?)", Arrays.asList("mykey", Integer.valueOf(1234))).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.table1(k1,n1) values(?,?)", Arrays.asList("mykey2", Integer.valueOf(1234))).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.table1(k1,n1) values(?,?)", Arrays.asList("mykey3", Integer.valueOf(1234))).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.table1(k1,n1) values(?,?)", Arrays.asList("mykey4", Integer.valueOf(1234))).getUpdateCount());

        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.table2(k2,fk) values(?,?)", Arrays.asList("subkey1", "mykey2")).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.table2(k2,fk) values(?,?)", Arrays.asList("subkey2", "mykey2")).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.table2(k2,fk) values(?,?)", Arrays.asList("subkey3", "mykey3")).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.table2(k2,fk) values(?,?)", Arrays.asList("subkey4", "mykey4")).getUpdateCount());

        assertEquals(2, scan(manager, "SELECT * "
                + "FROM tblspace1.table1 t1 "
                + "WHERE t1.k1 in ('mykey','mykey3')"
                + "", Collections.emptyList()).consumeAndClose().size());

        assertEquals(1, scan(manager, "SELECT * "
                + "FROM tblspace1.table1 t1 "
                + "WHERE t1.k1 in (SELECT fk FROM tblspace1.table2 WHERE k2='subkey4')"
                + "", Collections.emptyList()).consumeAndClose().size());

        assertEquals(1, scan(manager, "SELECT * "
                + "FROM tblspace1.table1 t1 "
                + "WHERE t1.n1 = ? and t1.k1 in (SELECT fk FROM tblspace1.table2 WHERE k2=?)"
                + "", Arrays.asList(1234, "subkey4")).consumeAndClose().size());

        assertEquals(0, scan(manager, "SELECT * "
                + "FROM tblspace1.table1 t1 "
                + "WHERE t1.n1 = ? and t1.k1 in (SELECT fk FROM tblspace1.table2 WHERE k2=?)"
                + "", Arrays.asList(1234, "subkey5")).consumeAndClose().size());

    }
}
 
Example 17
Source Project: scava   File: SimpleNBody.java    License: Eclipse Public License 2.0 4 votes vote down vote up
/**
 * Divide the simulation space into the given number of cubes. The number of
 * cubes must be a power of 2. This should be called once per simulation, at the beginning.
 * 
 * @return
 * @throws InvalidNumberOfCubesException
 */
private void setupCubes() throws InvalidNumberOfCubesException {
	if (!((numCubes > 0) && ((numCubes & (numCubes - 1)) == 0))) {
		throw new InvalidNumberOfCubesException();
	}
	if (numCubes == 1) {
		cuboides = Collections.singleton(new AxisAlignedCuboid());
	}
	else {
		// axis 0 = x, 1 = y, 2 = z;
		int xPoints = 0;
		int yPoints = 0;
		int zPoints = 0;
		int axis = 0;
		int numcubes = numCubes;
		while (numcubes > 1) {
			switch (axis) {
			case 0:
				xPoints += 2;
				break;
			case 1:
				yPoints += 2;
				break;
			case 2:
				zPoints += 2;
			default:
				axis = 0;
			}
			numcubes /= 2;
			axis++;
		}
		cuboides = new HashSet<>();
		double[] xCoords = axisSlices(xPoints);
		double[] yCoords = axisSlices((yPoints == 0) ? 1 : yPoints);
		double[] zCoords = axisSlices((zPoints == 0) ? 1 : zPoints);
		for (int i = 0; i < xCoords.length-1; i++) {
			for (int j = 0; j < yCoords.length-1; j++) {
				for (int k = 0; k < zCoords.length-1; k++) {
					cuboides.add(new AxisAlignedCuboid(new StockCuboidCoordinates(xCoords[i], yCoords[j], zCoords[k], xCoords[i+1], yCoords[j+1], zCoords[k+1])));
				}
			}
		}
	}
}
 
Example 18
@Test
public void recoverDelete() throws Exception {

    Path dataPath = folder.newFolder("data").toPath();
    Path logsPath = folder.newFolder("logs").toPath();
    Path metadataPath = folder.newFolder("metadata").toPath();
    Path tmoDir = folder.newFolder("tmoDir").toPath();
    Bytes key1 = Bytes.from_string("k1");
    Bytes key2 = Bytes.from_string("k2");
    Bytes key3 = Bytes.from_string("k3");
    String nodeId = "localhost";
    try (DBManager manager = buildDBManager(nodeId,
            metadataPath,
            dataPath,
            logsPath,
            tmoDir)) {
        manager.start();

        CreateTableSpaceStatement st1 = new CreateTableSpaceStatement("tblspace1", Collections.singleton(nodeId),
                nodeId, 1, 0, 0);
        manager.executeStatement(st1, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(),
                TransactionContext.NO_TRANSACTION);
        manager.waitForTablespace("tblspace1", 10000);

        Table table = Table
                .builder()
                .tablespace("tblspace1")
                .name("t1")
                .column("id", ColumnTypes.STRING)
                .column("name", ColumnTypes.STRING)
                .primaryKey("id")
                .build();
        manager.executeStatement(new CreateTableStatement(table), StatementEvaluationContext.
                DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeStatement(new InsertStatement("tblspace1", table.name, new Record(key1, key1)),
                StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeStatement(new InsertStatement("tblspace1", table.name, new Record(key2, key2)),
                StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeStatement(new InsertStatement("tblspace1", table.name, new Record(key3, key3)),
                StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.checkpoint();

        manager.executeStatement(new DeleteStatement("tblspace1", table.name, key2, null),
                StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);

    }

    try (DBManager manager = buildDBManager(nodeId,
            metadataPath,
            dataPath,
            logsPath,
            tmoDir)) {
        manager.start();

        manager.waitForTablespace("tblspace1", 10000);

        GetResult result = manager.get(new GetStatement("tblspace1", "t1", key1, null, false),
                StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        assertTrue(result.found());
    }

}
 
Example 19
Source Project: jaxrs-analyzer   File: TestClass12.java    License: Apache License 2.0 3 votes vote down vote up
public static Set<HttpResponse> getResult() {
    final HttpResponse result = new HttpResponse();

    result.getStatuses().addAll(Arrays.asList(200, 201));

    return Collections.singleton(result);
}
 
Example 20
Source Project: jaxrs-analyzer   File: TestClass8.java    License: Apache License 2.0 3 votes vote down vote up
public static Set<TypeRepresentation> expectedTypeRepresentations() {
    final Map<String, TypeIdentifier> properties = new HashMap<>();

    properties.put("third", TypeUtils.STRING_IDENTIFIER);

    return Collections.singleton(TypeRepresentation.ofConcrete(expectedIdentifier(), properties));
}