Example usage for java.util Collections EMPTY

Introduction

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

Prototype

Set EMPTY_SET

To view the source code for java.util Collections EMPTY_SET.

Click Source Link

Document

The empty set (immutable).

Usage

From source file:org.eclipse.m2e.importer.tests.MavenImporterTest.java

@Test
public void testRootWithoutPom() throws Exception {
    Set<IProject> newProjects = null;
    // important part here is the "getParentFile()"
    SmartImportJob job = new SmartImportJob(projectDirectory.getParentFile(), Collections.EMPTY_SET, true,
            true);/*  w  ww .  ja va  2 s .  c  o m*/

    Map<File, List<ProjectConfigurator>> proposals = job.getImportProposals(monitor);
    Assert.assertEquals("Expected 2 projects to import", 2, proposals.size()); //$NON-NLS-1$
    boolean thymConfiguratorFound = false;
    for (ProjectConfigurator configurator : proposals.values().iterator().next()) {
        if (configurator instanceof MavenProjectConfigurator) {
            thymConfiguratorFound = true;
        }
    }
    Assert.assertTrue("Maven configurator not found while checking directory", thymConfiguratorFound); //$NON-NLS-1$

    // accept proposals
    job.setDirectoriesToImport(proposals.keySet());

    IWorkspaceRoot wsRoot = ResourcesPlugin.getWorkspace().getRoot();
    Set<IProject> beforeImport = new HashSet<>(Arrays.asList(wsRoot.getProjects()));
    job.run(monitor);
    job.join();
    newProjects = new HashSet<>(Arrays.asList(wsRoot.getProjects()));
    newProjects.removeAll(beforeImport);
    Assert.assertEquals("Expected only 2 new projects", 2, newProjects.size()); //$NON-NLS-1$

    JobHelpers.waitForJobs(new IJobMatcher() {
        public boolean matches(Job job) {
            return MavenProjectConfigurator.UPDATE_MAVEN_CONFIGURATION_JOB_NAME.equals(job.getName());
        }
    }, 30_000);

    for (IProject project : newProjects) {
        Assert.assertTrue(project.getLocation().toFile().getCanonicalPath()
                .startsWith(projectDirectory.getCanonicalPath()));
        IMavenProjectFacade mavenProject = MavenPlugin.getMavenProjectRegistry().getProject(project);
        Assert.assertNotNull("Project not configured as Maven", mavenProject); //$NON-NLS-1$
    }
}

From source file:grails.plugin.searchable.internal.util.GrailsDomainClassUtils.java

/**
 * Get the actual (user-defined) Classes for the given GrailsDomainClass Collection.
 * Equivalent to collecting the results of <code>grailsDomainClass.getClazz()</code> on
 * each element//  w  w w. ja  va  2s  .com
 *
 * @param grailsDomainClasses
 * @return A collection of User-defined classes, which may be empty
 */
public static Collection getClazzes(Collection grailsDomainClasses) {
    if (grailsDomainClasses == null || grailsDomainClasses.isEmpty()) {
        return Collections.EMPTY_SET;
    }
    Set clazzes = new HashSet();
    for (Iterator iter = grailsDomainClasses.iterator(); iter.hasNext();) {
        clazzes.add(((GrailsDomainClass) iter.next()).getClazz());
    }
    return clazzes;
}

From source file:org.apache.geode.internal.admin.remote.RemoteTransportConfig.java

/**
 * Creates a new <code>RemoteTransportConfig</code> from the configuration information in a
 * <code>DistributionConfig</code>. We assume that <code>config</code> already been checked for
 * errors.//from www  . j  ava 2  s  .co m
 * 
 * @since GemFire 3.0
 */
public RemoteTransportConfig(DistributionConfig config, int vmKind) {
    if (config.getBindAddress() == null) {
        this.bindAddress = DistributionConfig.DEFAULT_BIND_ADDRESS;
    } else {
        this.bindAddress = config.getBindAddress();
    }
    this.vmKind = vmKind;
    this.tcpPort = config.getTcpPort();
    this.membershipPortRange = getMembershipPortRangeString(config.getMembershipPortRange());
    this.sslConfig = new SSLConfig();

    String initialHosts = config.getLocators();
    if (initialHosts == null) {
        initialHosts = "";
    }
    initialHosts = initialHosts.trim();

    if (config.getMcastPort() > 0) {
        this.mcastId = new DistributionLocatorId(config.getMcastAddress(), config.getMcastPort(),
                config.getBindAddress(), this.sslConfig);
        this.mcastEnabled = true;
    } else {
        this.mcastEnabled = false;
        this.mcastId = null;
    }

    this.tcpDisabled = config.getDisableTcp();
    this.disableAutoReconnect = config.getDisableAutoReconnect();

    // See what type of discovery is being used
    if (initialHosts.length() == 0) {
        // loner system
        this.ids = Collections.EMPTY_SET;
        return;
    } else {
        HashSet locators = new HashSet();
        StringTokenizer stringTokenizer = new StringTokenizer(initialHosts, ",");
        while (stringTokenizer.hasMoreTokens()) {
            String locator = stringTokenizer.nextToken();
            if (StringUtils.isNotEmpty(locator)) {
                locators.add(new DistributionLocatorId(locator));
            }
        }

        if (this.mcastEnabled) {
            locators.add(this.mcastId);
        }
        this.ids = Collections.unmodifiableSet(locators);
        if (this.mcastEnabled) {
            Assert.assertTrue(this.mcastId != null);
        }
    }
}

From source file:org.objectstyle.cayenne.query.UpdateBatchQuery.java

/**
 * Creates new UpdateBatchQuery.//from   w ww.j  ava  2 s .com
 * 
 * @param dbEntity Table or view to update.
 * @param qualifierAttributes DbAttributes used in the WHERE clause.
 * @param nullQualifierNames DbAttribute names in the WHERE clause that have null values.
 * @param updatedAttribute DbAttributes describing updated columns.
 * @param batchCapacity Estimated size of the batch.
 */
public UpdateBatchQuery(DbEntity dbEntity, List qualifierAttributes, List updatedAttribute,
        Collection nullQualifierNames, int batchCapacity) {

    super(dbEntity);

    this.updatedAttributes = updatedAttribute;
    this.qualifierAttributes = qualifierAttributes;
    this.nullQualifierNames = nullQualifierNames != null ? nullQualifierNames : Collections.EMPTY_SET;

    qualifierSnapshots = new ArrayList(batchCapacity);
    updateSnapshots = new ArrayList(batchCapacity);

    dbAttributes = new ArrayList(updatedAttributes.size() + qualifierAttributes.size());
    dbAttributes.addAll(updatedAttributes);
    dbAttributes.addAll(qualifierAttributes);
}

From source file:org.red5.server.ClientRegistry.java

/**
 * Return collection of clients/*  w  w  w. j a  v a 2  s . c om*/
 * 
 * @return Collection of clients
 */
@SuppressWarnings("unchecked")
protected Collection<IClient> getClients() {
    if (!hasClients()) {
        // avoid creating new Collection object if no clients exist.
        return Collections.EMPTY_SET;
    }
    return Collections.unmodifiableCollection(clients.values());
}

From source file:com.adobe.ags.curly.test.ErrorBehaviorTest.java

@Test
public void testActionIgnore() throws IOException, ParseException {
    ApplicationState.getInstance().errorBehaviorProperty().set(ErrorBehavior.HALT);
    Action fail1 = failureAction();
    Action fail2 = failureAction();
    fail1.setErrorBehavior(ErrorBehavior.IGNORE);
    fail2.setErrorBehavior(ErrorBehavior.IGNORE);
    List<Action> actions = Arrays.asList(fail1, fail2);
    ActionGroupRunner runner = new ActionGroupRunner("Action Ignore Test", ignore -> client, actions,
            Collections.EMPTY_MAP, Collections.EMPTY_SET);
    runner.run();//from  www .  ja  v a 2s.com
    assertResults(runner.getResult(), false, true);
}

From source file:org.jahia.services.content.interceptor.HtmlFilteringInterceptorTest.java

@Test
@SuppressWarnings("unchecked")
public void testFilteringDisabled() throws Exception {
    String source = "abc";
    assertEquals("Filtering should nor be done as the tag set is empty", source,
            HtmlFilteringInterceptor.filterTags(source, Collections.EMPTY_SET));
}

From source file:de.hybris.platform.servicelayer.interceptor.RemoveInterceptorTest.java

@Before
public void setUp() throws Exception {
    MockitoAnnotations.initMocks(this);
    CountryModel country = modelService.create(CountryModel.class);
    country.setIsocode("DE");
    country.setActive(Boolean.TRUE);
    modelService.save(country);/*from w w w.  j av a  2s.  co  m*/

    final RegionModel region = modelService.create(RegionModel.class);
    region.setIsocode("DE-BW");
    region.setCountry(country);
    modelService.save(region);

    country = modelService.create(CountryModel.class);
    country.setIsocode("US");
    country.setActive(Boolean.TRUE);
    modelService.save(country);

    reg = (DefaultInterceptorRegistry) ((DefaultModelService) modelService).getInterceptorRegistry();

    gotRegionInterceptors.clear();
    reg.registerInterceptor("Region", new RegionRemoveInterceptor(), Collections.EMPTY_SET);

    given(persistenceTypeService.getPersistenceType(anyCollection())).willReturn(PersistenceType.JALO);
}

From source file:org.openrdf.repository.sparql.query.SPARQLQuery.java

protected Set<String> getBindingNames() {
    if (bindings.size() == 0)
        return Collections.EMPTY_SET;
    Set<String> names = new HashSet<String>();
    String qry = query;/*  w  ww. ja v a2  s . c o m*/
    int b = qry.indexOf('{');
    String select = qry.substring(0, b);
    for (String name : bindings.getBindingNames()) {
        String replacement = getReplacement(bindings.getValue(name));
        if (replacement != null) {
            String pattern = ".*[\\?\\$]" + name + "\\W.*";
            if (Pattern.compile(pattern, Pattern.MULTILINE | Pattern.DOTALL).matcher(select).matches()) {
                names.add(name);
            }
        }
    }
    return names;
}

From source file:com.haulmont.cuba.core.sys.serialization.KryoSerialization.java

protected Kryo newKryoInstance() {
    Kryo kryo = new Kryo();
    kryo.setInstantiatorStrategy(new CubaInstantiatorStrategy());
    if (onlySerializable) {
        kryo.setDefaultSerializer(CubaFieldSerializer.class);
    }/*w ww  . j  a  v a 2  s  .  c  om*/

    //To work properly must itself be loaded by the application classloader (i.e. by classloader capable of loading
    //all the other application classes). For web application it means placing this class inside webapp folder.
    kryo.setClassLoader(KryoSerialization.class.getClassLoader());

    kryo.register(Arrays.asList("").getClass(), new ArraysAsListSerializer());
    kryo.register(Collections.EMPTY_LIST.getClass(), new CollectionsEmptyListSerializer());
    kryo.register(Collections.EMPTY_MAP.getClass(), new CollectionsEmptyMapSerializer());
    kryo.register(Collections.EMPTY_SET.getClass(), new CollectionsEmptySetSerializer());
    kryo.register(Collections.singletonList("").getClass(), new CollectionsSingletonListSerializer());
    kryo.register(Collections.singleton("").getClass(), new CollectionsSingletonSetSerializer());
    kryo.register(Collections.singletonMap("", "").getClass(), new CollectionsSingletonMapSerializer());
    kryo.register(BitSet.class, new BitSetSerializer());
    kryo.register(GregorianCalendar.class, new GregorianCalendarSerializer());
    kryo.register(InvocationHandler.class, new JdkProxySerializer());
    UnmodifiableCollectionsSerializer.registerSerializers(kryo);
    SynchronizedCollectionsSerializer.registerSerializers(kryo);

    kryo.register(CGLibProxySerializer.CGLibProxyMarker.class, new CGLibProxySerializer());
    ImmutableListSerializer.registerSerializers(kryo);
    ImmutableSetSerializer.registerSerializers(kryo);
    ImmutableMapSerializer.registerSerializers(kryo);
    ImmutableMultimapSerializer.registerSerializers(kryo);
    kryo.register(IndirectList.class, new IndirectContainerSerializer());
    kryo.register(IndirectMap.class, new IndirectContainerSerializer());
    kryo.register(IndirectSet.class, new IndirectContainerSerializer());

    kryo.register(org.eclipse.persistence.indirection.IndirectList.class, new IndirectContainerSerializer());
    kryo.register(org.eclipse.persistence.indirection.IndirectMap.class, new IndirectContainerSerializer());
    kryo.register(org.eclipse.persistence.indirection.IndirectSet.class, new IndirectContainerSerializer());

    //classes with custom serialization methods
    kryo.register(HashMultimap.class, new CubaJavaSerializer());
    kryo.register(ArrayListMultimap.class, new CubaJavaSerializer());
    kryo.register(MetaClassImpl.class, new CubaJavaSerializer());
    kryo.register(MetaPropertyImpl.class, new CubaJavaSerializer());
    kryo.register(UnitOfWorkQueryValueHolder.class, new UnitOfWorkQueryValueHolderSerializer(kryo));

    return kryo;
}

Example usage for java.util Collections EMPTY_SET

Introduction

Prototype

Document

Usage