Example usage for java.util Collections EMPTY_SET

Introduction

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

Prototype

Set EMPTY_SET

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Document

The empty set (immutable).

Usage

From source file:org.apache.nifi.processors.standard.AttributesToJSON.java

@OnScheduled
public void onScheduled(ProcessContext context) {
    attributesToRemove = context.getProperty(INCLUDE_CORE_ATTRIBUTES).asBoolean() ? Collections.EMPTY_SET
            : Arrays.stream(CoreAttributes.values()).map(CoreAttributes::key).collect(Collectors.toSet());
    attributes = buildAtrs(context.getProperty(ATTRIBUTES_LIST).getValue(), attributesToRemove);
    nullValueForEmptyString = context.getProperty(NULL_VALUE_FOR_EMPTY_STRING).asBoolean();
    destinationContent = DESTINATION_CONTENT.equals(context.getProperty(DESTINATION).getValue());
}

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From source file:org.keycloak.models.jpa.JpaRealmProvider.java

@Override
public Set<RoleModel> getRealmRoles(RealmModel realm) {
    TypedQuery<String> query = em.createNamedQuery("getRealmRoleIds", String.class);
    query.setParameter("realm", realm.getId());
    List<String> roles = query.getResultList();

    if (roles.isEmpty())
        return Collections.EMPTY_SET;
    Set<RoleModel> list = new HashSet<>();
    for (String id : roles) {
        list.add(session.realms().getRoleById(id, realm));
    }//from   w  w w  .  j a v  a  2  s .  c  o  m
    return Collections.unmodifiableSet(list);
}

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From source file:org.apache.jackrabbit.core.security.principal.DefaultPrincipalProvider.java

/**
 * Recursively collect all Group-principals the specified principal is
 * member of.//from  w ww .ja v  a 2 s  .  c o m
 *
 * @param princ
 * @return all Group principals the specified <code>princ</code> is member of
 * including inherited membership.
 */
private Set collectGroupMembership(Principal princ, Set membership) {
    String princName = princ.getName();
    if (!hasPrincipal(princName)) {
        return Collections.EMPTY_SET;
    }
    try {
        Authorizable auth = userManager.getAuthorizable(princ);
        if (auth != null) {
            Iterator itr = auth.memberOf();
            while (itr.hasNext()) {
                Group group = (Group) itr.next();
                Principal groupPrinc = group.getPrincipal();
                if (membership.add(groupPrinc)) {
                    membership.addAll(collectGroupMembership(groupPrinc, membership));
                } else {
                    String msg = "Cyclic group membership detected with Group " + groupPrinc.getName();
                    log.error(msg);
                }
            }
        } else {
            log.debug("Cannot find authorizable for principal " + princ.getName());
        }
    } catch (RepositoryException e) {
        log.warn("Failed to determine membership for " + princName, e.getMessage());
    }
    return membership;
}

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From source file:org.apache.geronimo.tomcat.deployment.TomcatModuleBuilderTest.java

private EARContext createEARContext(File outputPath, Environment environment, Repository repository,
        ConfigurationStore configStore, AbstractName moduleName) throws DeploymentException {
    Set repositories = repository == null ? Collections.EMPTY_SET : Collections.singleton(repository);
    Set configurationManagers = configurationManager == null ? Collections.EMPTY_SET
            : Collections.singleton(configurationManager);
    ArtifactManager artifactManager = new DefaultArtifactManager();
    ArtifactResolver artifactResolver = new DefaultArtifactResolver(artifactManager, repositories, null,
            configurationManagers);// w w w  .  j a  va2  s.  c  o m
    return new EARContext(outputPath, null, environment, ConfigurationModuleType.WAR, naming,
            configurationManager, bundle.getBundleContext(), new AbstractNameQuery(serverName), moduleName,
            new AbstractNameQuery(tmName), new AbstractNameQuery(ctcName), null);
}

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From source file:org.jsecurity.session.mgt.SimpleSession.java

public Collection<Object> getAttributeKeys() throws InvalidSessionException {
    Map<Object, Object> attributes = getAttributes();
    if (attributes == null) {
        //noinspection unchecked
        return Collections.EMPTY_SET;
    }/* w  w w  .jav a2 s . co  m*/
    return attributes.keySet();
}

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From source file:de.hybris.platform.catalog.jalo.synchronization.ItemCopyCreatorTest.java

@Test
public void testUpdatingNullValues() throws JaloBusinessException {
    final UnitModel u = modelService.create(UnitModel.class);
    u.setCode("unit-" + System.nanoTime());
    u.setUnitType("type");
    u.setConversion(Double.valueOf(1.0));
    modelService.save(u);/*from   w w  w  .  j av a  2 s.  c o m*/

    final ProductModel p = modelService.create(ProductModel.class);
    p.setCatalogVersion((CatalogVersionModel) modelService.get(src));
    p.setCode("foo-" + System.nanoTime());
    p.setMinOrderQuantity(12);
    p.setUnit(u);
    p.setApprovalStatus(ArticleApprovalStatus.APPROVED);
    modelService.save(p);

    final Product pJalo = modelService.getSource(p);

    // 1. create copy -> values are non-null
    final Product pCopyJalo = (Product) new CatalogVersionSyncCopyContext(syncJob, syncCronJob, worker) {
        @Override
        protected Set<Language> getTargetLanguages() {
            return jaloSession.getC2LManager().getAllLanguages();
        }

        @Override
        protected SyncSchedule getCurrentSchedule() {
            return new SyncSchedule(pJalo.getPK(), null, null, Collections.EMPTY_SET, Collections.EMPTY_MAP);
        }
    }.copy(pJalo);

    Assert.assertNotNull("Product not copied", pCopyJalo);

    final ProductModel pCopy = modelService.get(pCopyJalo);
    Assert.assertEquals(p.getCode(), pCopy.getCode());
    Assert.assertEquals(p.getMinOrderQuantity(), pCopy.getMinOrderQuantity());
    Assert.assertEquals(p.getApprovalStatus(), pCopy.getApprovalStatus());
    Assert.assertEquals(p.getUnit(), pCopy.getUnit());

    // 2. change original -> some values are null now
    p.setUnit(null);
    p.setMinOrderQuantity(null);
    modelService.save(p);
    Assert.assertNull(p.getMinOrderQuantity());
    Assert.assertNull(p.getUnit());

    // 3. copy again -> copy should have null values too
    final Product pCopyJalo2 = (Product) new CatalogVersionSyncCopyContext(syncJob, syncCronJob, worker) {
        @Override
        protected Set<Language> getTargetLanguages() {
            return jaloSession.getC2LManager().getAllLanguages();
        }

        @Override
        protected SyncSchedule getCurrentSchedule() {
            return new SyncSchedule(pJalo.getPK(), pCopyJalo.getPK(), null, Collections.EMPTY_SET,
                    Collections.EMPTY_MAP);
        }
    }.copy(pJalo);

    Assert.assertNotNull("Product not copied", pCopyJalo2);

    final ProductModel pCopy2 = modelService.get(pCopyJalo2);
    Assert.assertSame(pCopy, pCopy2);
    modelService.refresh(pCopy2);
    // unchanged ?
    Assert.assertEquals(p.getCode(), pCopy2.getCode());
    Assert.assertEquals(p.getApprovalStatus(), pCopy2.getApprovalStatus());
    // null'ed ?
    Assert.assertNull(pCopy2.getUnit());
    Assert.assertNull(pCopy2.getMinOrderQuantity());
}

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From source file:de.tudarmstadt.ukp.clarin.webanno.brat.curation.CasDiff2.java

private DiffAdapter getAdapter(String aType) {
    DiffAdapter adapter = typeAdapters.get(aType);
    if (adapter == null) {
        log.warn("No diff adapter for type [" + aType + "] -- treating as without features");
        adapter = new SpanDiffAdapter(aType, Collections.EMPTY_SET);
        typeAdapters.put(aType, adapter);
    }/*  w w w .j av  a  2 s  . c  o m*/
    return adapter;
}

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From source file:org.forgerock.openam.upgrade.steps.UpgradeServiceSchemaStep.java

private Set<String> listNewServices(Set<String> serviceNames, Set<String> existingServices) {
    Set<String> newServiceNames = new HashSet<String>(serviceNames);

    if (newServiceNames.removeAll(existingServices)) {
        return newServiceNames;
    }/*from   w ww . j a v a  2s . c o m*/

    return Collections.EMPTY_SET;
}

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From source file:pl.datamatica.traccar.api.providers.UserProvider.java

private void removeUserSettings(User user) throws Exception {
    Query query;/*from w w w  .j  a va  2 s  . c o m*/

    query = em.createQuery("DELETE FROM NotificationSettings WHERE user = ?");
    query.setParameter(1, user);
    query.executeUpdate();

    //Remove user data from table users_notifications
    user.setNotificationEvents(Collections.EMPTY_SET);

    //Remove user data from table users_mobilenotifications        
    user.setMobileNotificationSettings(Collections.EMPTY_MAP);

    em.persist(user);

    query = em.createQuery("DELETE FROM UIStateEntry WHERE user = ?");
    query.setParameter(1, user);
    query.executeUpdate();

    query = em.createQuery("DELETE FROM UserDeviceStatus uds WHERE uds.id.user = ?");
    query.setParameter(1, user);
    query.executeUpdate();

    query = em.createQuery("DELETE FROM UserSession us WHERE us.userId = ?");
    query.setParameter(1, user.getId());
    query.executeUpdate();
}

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From source file:web.MockServletContext.java

@Override
public Enumeration getServlets() {
    return Collections.enumeration(Collections.EMPTY_SET);
}

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