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.syncope.core.propagation.PropagationManager.java

private List<PropagationTask> getUpdateTaskIds(final SyncopeUser user, final PropagationByResource propByRes,
        final String password, final Set<String> vAttrsToBeRemoved, final Set<AttributeMod> vAttrsToBeUpdated,
        final Boolean enable, final Set<String> syncResourceNames) throws NotFoundException {

    PropagationByResource localPropByRes = userDataBinder.fillVirtual(user,
            vAttrsToBeRemoved == null ? Collections.EMPTY_SET : vAttrsToBeRemoved,
            vAttrsToBeUpdated == null ? Collections.EMPTY_SET : vAttrsToBeUpdated, AttributableUtil.USER);

    if (propByRes != null && !propByRes.isEmpty()) {
        localPropByRes.merge(propByRes);
    } else {//  w  w w .j  ava  2 s . co m
        localPropByRes.addAll(PropagationOperation.UPDATE, user.getResourceNames());
    }

    if (syncResourceNames != null) {
        localPropByRes.get(PropagationOperation.CREATE).removeAll(syncResourceNames);
        localPropByRes.get(PropagationOperation.UPDATE).removeAll(syncResourceNames);
        localPropByRes.get(PropagationOperation.DELETE).removeAll(syncResourceNames);
    }

    return provision(user, password, enable, localPropByRes);
}

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From source file:org.lightjason.agentspeak.grammar.CASTVisitorPlanBundle.java

@Override
public final Object visitAnnotations(final PlanBundleParser.AnnotationsContext p_context) {
    if ((p_context == null) || (p_context.isEmpty()))
        return Collections.EMPTY_SET;

    final Set<IAnnotation<?>> l_annotation = new HashSet<>();

    if (p_context.annotation_atom() != null)
        p_context.annotation_atom().stream().map(i -> (IAnnotation<?>) this.visitAnnotation_atom(i))
                .forEach(l_annotation::add);

    if (p_context.annotation_literal() != null)
        p_context.annotation_literal().stream().map(i -> (IAnnotation<?>) this.visitAnnotation_literal(i))
                .forEach(l_annotation::add);

    return l_annotation.isEmpty() ? Collections.EMPTY_SET : l_annotation;
}

---

From source file:uk.ac.ebi.intact.dataexchange.psimi.solr.ontology.OntologySearcher.java

public Set<String> getOntologyNames() throws SolrServerException {
    if (ontologyNames == null) {
        SolrQuery query = new SolrQuery("*:*");
        query.setStart(0);//from  w w w .  j a v  a2s  . com
        query.setRows(0);

        // prepare faceting
        query.setFacet(true);
        query.setParam(FacetParams.FACET_FIELD, "ontology");
        query.setFacetLimit(10);
        query.setFacetMinCount(1);
        query.set(FacetParams.FACET_OFFSET, 0);

        // order by unique id
        query.addSortField(OntologyFieldNames.ID, SolrQuery.ORDER.asc);

        QueryResponse response = search(query, null);
        FacetField facetField = response.getFacetField("ontology");

        if (facetField.getValues() == null) {
            return Collections.EMPTY_SET;
        }

        ontologyNames = new HashSet<String>(facetField.getValues().size());

        for (FacetField.Count c : facetField.getValues()) {
            ontologyNames.add(c.getName());
        }
    }

    return ontologyNames;
}

---

From source file:org.apache.axis2.classloader.MultiParentClassLoader.java

public Enumeration findResources(String name) throws IOException {
    if (isDestroyed()) {
        return Collections.enumeration(Collections.EMPTY_SET);
    }/*  w  ww.java 2 s .  com*/

    List resources = new ArrayList();

    //
    // if we are using inverse class loading, add the resources from local urls first
    //
    if (inverseClassLoading && !isDestroyed()) {
        List myResources = Collections.list(super.findResources(name));
        resources.addAll(myResources);
    }

    //
    // Add parent resources
    //
    for (int i = 0; i < parents.length; i++) {
        ClassLoader parent = parents[i];
        List parentResources = Collections.list(parent.getResources(name));
        resources.addAll(parentResources);
    }

    //
    // if we are not using inverse class loading, add the resources from local urls now
    //
    if (!inverseClassLoading && !isDestroyed()) {
        List myResources = Collections.list(super.findResources(name));
        resources.addAll(myResources);
    }

    return Collections.enumeration(resources);
}

---

From source file:org.apache.roller.weblogger.config.PingConfig.java

/**
 * Get the set of variant options configured for the given ping target url.
 *
 * @param pingTargetUrl//from   w w w . jav  a  2  s .  c  om
 * @return the set of variant options configured for the given ping target url, or
 *         the empty set if there are no variants configured.
 */
public static Set getVariantOptions(String pingTargetUrl) {
    Set variantOptions = (Set) configuredVariants.get(pingTargetUrl);
    if (variantOptions == null) {
        variantOptions = Collections.EMPTY_SET;
    }
    return variantOptions;
}

---

From source file:org.nuclos.server.navigation.ejb3.TreeNodeFacadeBean.java

private static Set<String> getSubEntityNamesRequiredForGenericObjectTreeNode(Integer iModuleId) {
    // we need no dependend subforms here. get them on demand as child subnode.
    /*final Set<String> result = new HashSet<String>();
    final MasterDataVO mdcvoModule = Modules.getInstance().getModuleById(iModuleId);
            /*from ww  w  .  ja  va 2s  . c o  m*/
    final String base = (String)mdcvoModule.getField("entity");
    final Collection<EntityTreeViewVO> etvs = Modules.getInstance().getSubnodesETV(base);
    for (EntityTreeViewVO etv : etvs) {
       if (etv.isActive())
    result.add(etv.getEntity());
    }
    return result;*/
    return Collections.EMPTY_SET;
}

---

From source file:org.lightjason.agentspeak.grammar.CASTVisitorAgent.java

@Override
public final Object visitAnnotations(final AgentParser.AnnotationsContext p_context) {
    if ((p_context == null) || (p_context.isEmpty()))
        return Collections.EMPTY_SET;

    final Set<IAnnotation<?>> l_annotation = new HashSet<>();

    if (p_context.annotation_atom() != null)
        p_context.annotation_atom().stream().map(i -> (IAnnotation<?>) this.visitAnnotation_atom(i))
                .forEach(l_annotation::add);

    if (p_context.annotation_literal() != null)
        p_context.annotation_literal().stream().map(i -> (IAnnotation<?>) this.visitAnnotation_literal(i))
                .forEach(l_annotation::add);

    return l_annotation.isEmpty() ? Collections.EMPTY_SET : l_annotation;
}

---

From source file:org.xcmis.search.query.content.AbstractQueryTest.java

protected void save(Node node) throws IndexModificationException {
    searchService.update(node.getTree(), Collections.EMPTY_SET);
}

---

From source file:fr.gael.dhus.sync.impl.ODataUserSynchronizer.java

@Override
public boolean synchronize() throws InterruptedException {
    int created = 0, updated = 0;
    try {/*from  www . j  a  v a  2  s  . c o  m*/
        // Makes query parameters
        Map<String, String> query_param = new HashMap<>();

        if (skip != 0) {
            query_param.put("$skip", String.valueOf(skip));
        }

        query_param.put("$top", String.valueOf(pageSize));

        log(Level.DEBUG, "Querying users from " + skip + " to " + skip + pageSize);
        ODataFeed userfeed = readFeedLogPerf("/Users", query_param);

        // For each entry, creates a DataBase Object
        for (ODataEntry pdt : userfeed.getEntries()) {
            String username = null;
            try {
                Map<String, Object> props = pdt.getProperties();

                username = (String) props.get(UserEntitySet.USERNAME);
                String email = (String) props.get(UserEntitySet.EMAIL);
                String firstname = (String) props.get(UserEntitySet.FIRSTNAME);
                String lastname = (String) props.get(UserEntitySet.LASTNAME);
                String country = (String) props.get(UserEntitySet.COUNTRY);
                String domain = (String) props.get(UserEntitySet.DOMAIN);
                String subdomain = (String) props.get(UserEntitySet.SUBDOMAIN);
                String usage = (String) props.get(UserEntitySet.USAGE);
                String subusage = (String) props.get(UserEntitySet.SUBUSAGE);
                String phone = (String) props.get(UserEntitySet.PHONE);
                String address = (String) props.get(UserEntitySet.ADDRESS);
                String hash = (String) props.get(UserEntitySet.HASH);
                String password = (String) props.get(UserEntitySet.PASSWORD);
                Date creation = ((GregorianCalendar) props.get(UserEntitySet.CREATED)).getTime();

                // Uses the Scheme encoder as it is the most restrictives, it only allows
                // '+' (forbidden char in usernames, so it's ok)
                // '-' (forbidden char in usernames, so it's ok)
                // '.' (allowed char in usernames, not problematic)
                // the alphanumeric character class (a-z A-Z 0-9)
                String encoded_username = UriUtils.encodeScheme(username, "UTF-8");

                // Retrieves Roles
                String roleq = String.format("/Users('%s')/SystemRoles", encoded_username);
                ODataFeed userrole = readFeedLogPerf(roleq, null);

                List<ODataEntry> roles = userrole.getEntries();
                List<Role> new_roles = new ArrayList<>();
                for (ODataEntry role : roles) {
                    String rolename = (String) role.getProperties().get(SystemRoleEntitySet.NAME);
                    new_roles.add(Role.valueOf(rolename));
                }

                // Has restriction?
                String restricq = String.format("/Users('%s')/Restrictions", encoded_username);
                ODataFeed userrestric = readFeedLogPerf(restricq, null);
                boolean has_restriction = !userrestric.getEntries().isEmpty();

                // Reads user in database, may be null
                User user = USER_SERVICE.getUserNoCheck(username);

                // Updates existing user
                if (user != null && (force || creation.equals(user.getCreated()))) {
                    boolean changed = false;

                    // I wish users had their `Updated` field exposed on OData
                    if (!username.equals(user.getUsername())) {
                        user.setUsername(username);
                        changed = true;
                    }
                    if (email == null && user.getEmail() != null
                            || email != null && !email.equals(user.getEmail())) {
                        user.setEmail(email);
                        changed = true;
                    }
                    if (firstname == null && user.getFirstname() != null
                            || firstname != null && !firstname.equals(user.getFirstname())) {
                        user.setFirstname(firstname);
                        changed = true;
                    }
                    if (lastname == null && user.getLastname() != null
                            || lastname != null && !lastname.equals(user.getLastname())) {
                        user.setLastname(lastname);
                        changed = true;
                    }
                    if (country == null && user.getCountry() != null
                            || country != null && !country.equals(user.getCountry())) {
                        user.setCountry(country);
                        changed = true;
                    }
                    if (domain == null && user.getDomain() != null
                            || domain != null && !domain.equals(user.getDomain())) {
                        user.setDomain(domain);
                        changed = true;
                    }
                    if (subdomain == null && user.getSubDomain() != null
                            || subdomain != null && !subdomain.equals(user.getSubDomain())) {
                        user.setSubDomain(subdomain);
                        changed = true;
                    }
                    if (usage == null && user.getUsage() != null
                            || usage != null && !usage.equals(user.getUsage())) {
                        user.setUsage(usage);
                        changed = true;
                    }
                    if (subusage == null && user.getSubUsage() != null
                            || subusage != null && !subusage.equals(user.getSubUsage())) {
                        user.setSubUsage(subusage);
                        changed = true;
                    }
                    if (phone == null && user.getPhone() != null
                            || phone != null && !phone.equals(user.getPhone())) {
                        user.setPhone(phone);
                        changed = true;
                    }
                    if (address == null && user.getAddress() != null
                            || address != null && !address.equals(user.getAddress())) {
                        user.setAddress(address);
                        changed = true;
                    }

                    if (password == null && user.getPassword() != null
                            || password != null && !password.equals(user.getPassword())) {
                        if (hash == null)
                            hash = PasswordEncryption.NONE.getAlgorithmKey();

                        user.setEncryptedPassword(password, User.PasswordEncryption.valueOf(hash));
                        changed = true;
                    }

                    //user.setPasswordEncryption(User.PasswordEncryption.valueOf(hash));

                    if (!SetUtils.isEqualSet(user.getRoles(), new_roles)) {
                        user.setRoles(new_roles);
                        changed = true;
                    }

                    if (has_restriction != !user.getRestrictions().isEmpty()) {
                        if (has_restriction) {
                            user.addRestriction(new LockedAccessRestriction());
                        } else {
                            user.setRestrictions(Collections.EMPTY_SET);
                        }
                        changed = true;
                    }

                    if (changed) {
                        log(Level.DEBUG, "Updating user " + user.getUsername());
                        USER_SERVICE.systemUpdateUser(user);
                        updated++;
                    }
                }
                // Creates new user
                else if (user == null) {
                    user = new User();

                    user.setUsername(username);
                    user.setEmail(email);
                    user.setFirstname(firstname);
                    user.setLastname(lastname);
                    user.setCountry(country);
                    user.setDomain(domain);
                    user.setSubDomain(subdomain);
                    user.setUsage(usage);
                    user.setSubUsage(subusage);
                    user.setPhone(phone);
                    user.setAddress(address);
                    user.setPassword(password);
                    //user.setPasswordEncryption(User.PasswordEncryption.valueOf(hash));
                    user.setCreated(creation);
                    user.setRoles(new_roles);
                    if (has_restriction) {
                        user.addRestriction(new LockedAccessRestriction());
                    }

                    log(Level.DEBUG, "Creating new user " + user.getUsername());
                    USER_SERVICE.systemCreateUser(user);
                    created++;
                } else {
                    log(Level.ERROR, "Namesake '" + username + "' detected!");
                }
            } catch (RootNotModifiableException e) {
            } // Ignored exception
            catch (RequiredFieldMissingException ex) {
                log(Level.ERROR, "Cannot create user '" + username + "'", ex);
            } catch (IOException | ODataException ex) {
                log(Level.ERROR, "OData failure on user '" + username + "'", ex);
            }

            this.skip++;
        }

        // This is the end, resets `skip` to 0
        if (userfeed.getEntries().size() < pageSize) {
            this.skip = 0;
        }
    } catch (IOException | ODataException ex) {
        log(Level.ERROR, "OData failure", ex);
    } catch (LockAcquisitionException | CannotAcquireLockException e) {
        throw new InterruptedException(e.getMessage());
    } finally {
        StringBuilder sb = new StringBuilder("done:    ");
        sb.append(created).append(" new Users,    ");
        sb.append(updated).append(" updated Users,    ");
        sb.append("    from ").append(this.client.getServiceRoot());
        log(Level.INFO, sb.toString());

        this.syncConf.setConfig("skip", String.valueOf(skip));
        SYNC_SERVICE.saveSynchronizer(this);
    }
    return false;
}

---

From source file:org.apromore.plugin.portal.compareBP.ComparePlugin.java

private ModelAbstractions toModelAbstractions(ProcessSummaryType process, VersionSummaryType version)
        throws Exception {
    ExportFormatResultType result = processService.exportProcess(process.getName(), // process name
            process.getId(), // process ID
            version.getName(), // branch
            new Version(version.getVersionNumber()), // version number,
            "BPMN 2.0", // nativeType,
            null, // annotation name,
            false, // with annotations?
            Collections.EMPTY_SET // canoniser properties
    );//from w  w w .j a  va  2s  . co  m
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    TransformerFactory.newInstance().newTransformer()
            .transform(new StreamSource(result.getNative().getInputStream()), new StreamResult(baos));
    return new ModelAbstractions(baos.toByteArray());
}

---

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