Example usage for java.util Set isEmpty

List of usage examples for java.util Set isEmpty

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Introduction

In this page you can find the example usage for java.util Set isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this set contains no elements.

Usage

From source file:com.espertech.esper.epl.core.ResultSetProcessorSimple.java

/**
 * Applies the select-clause to the given events returning the selected events. The number of events stays the
 * same, i.e. this method does not filter it just transforms the result set.
 * @param exprProcessor - processes each input event and returns output event
 * @param events - input events//from  ww  w  .j a va 2 s  .  co  m
 * @param isNewData - indicates whether we are dealing with new data (istream) or old data (rstream)
 * @param isSynthesize - set to true to indicate that synthetic events are required for an iterator result set
 * @return output events, one for each input event
 */
protected static EventBean[] getSelectEventsNoHaving(SelectExprProcessor exprProcessor,
        Set<MultiKey<EventBean>> events, boolean isNewData, boolean isSynthesize,
        ExprEvaluatorContext exprEvaluatorContext) {
    if ((events == null) || (events.isEmpty())) {
        return null;
    }
    int length = events.size();

    EventBean[] result = new EventBean[length];

    int count = 0;
    for (MultiKey<EventBean> key : events) {
        EventBean[] eventsPerStream = key.getArray();
        result[count] = exprProcessor.process(eventsPerStream, isNewData, isSynthesize, exprEvaluatorContext);
        count++;
    }

    return result;
}

From source file:net.lldp.checksims.ChecksimsCommandLine.java

/**
 * Parse basic CLI flags and produce a ChecksimsConfig.
 *
 * @param cli Parsed command line/*w w w  .j a  v a 2 s .  c  o  m*/
 * @return Config derived from parsed CLI
 * @throws ChecksimsException Thrown on invalid user input or internal error
 */
static ChecksimsConfig parseBaseFlags(CommandLine cli) throws ChecksimsException {
    checkNotNull(cli);

    // If we don't have a logger, set one up
    if (logs == null) {
        logs = LoggerFactory.getLogger(ChecksimsCommandLine.class);
    }

    // Create a base config to work from
    ChecksimsConfig config = new ChecksimsConfig();

    // Parse plagiarism detection algorithm
    if (cli.hasOption("a")) {
        config = config.setAlgorithm(
                AlgorithmRegistry.getInstance().getImplementationInstance(cli.getOptionValue("a")));
        config = config.setTokenization(config.getAlgorithm().getPercentableCalculator());
    }

    // Parse tokenization
    if (cli.hasOption("t")) {
        config = config.setTokenization(SubmissionPercentableCalculator.fromString(cli.getOptionValue("t")));
    }

    // Parse number of threads to use
    if (cli.hasOption("j")) {
        int numThreads = Integer.parseInt(cli.getOptionValue("j"));

        if (numThreads < 1) {
            throw new ChecksimsException("Thread count must be positive!");
        }

        config = config.setNumThreads(numThreads);
    }

    if (cli.hasOption("ignoreInvalid")) {
        config = config.ignoreInvalid();
    }

    // Parse preprocessors
    // Ensure no duplicates
    if (cli.hasOption("p")) {
        List<SubmissionPreprocessor> preprocessors = SetUniqueList.setUniqueList(new ArrayList<>());

        String[] preprocessorsToUse = cli.getOptionValues("p");
        for (String s : preprocessorsToUse) {
            SubmissionPreprocessor p = PreprocessorRegistry.getInstance().getImplementationInstance(s);
            preprocessors.add(p);
        }
        config = config.setPreprocessors(preprocessors);
    }

    // Parse output strategies
    // Ensure no duplicates
    if (cli.hasOption("o")) {
        String[] desiredStrategies = cli.getOptionValues("o");
        Set<String> deduplicatedStrategies = new HashSet<>(Arrays.asList(desiredStrategies));

        if (deduplicatedStrategies.isEmpty()) {
            throw new ChecksimsException("Error: did not obtain a valid output strategy!");
        }

        // Convert to MatrixPrinters
        Set<MatrixPrinter> printers = new HashSet<>();
        for (String name : deduplicatedStrategies) {
            printers.add(MatrixPrinterRegistry.getInstance().getImplementationInstance(name));
        }

        config = config.setOutputPrinters(printers);
    }

    return config;
}

From source file:com.netflix.genie.core.jpa.specifications.JpaCommandSpecs.java

/**
 * Get a specification using the specified parameters.
 *
 * @param name     The name of the command
 * @param user     The name of the user who created the command
 * @param statuses The status of the command
 * @param tags     The set of tags to search the command for
 * @return A specification object used for querying
 *///from  ww  w  .  jav a 2  s  .co m
public static Specification<CommandEntity> find(final String name, final String user,
        final Set<CommandStatus> statuses, final Set<String> tags) {
    return (final Root<CommandEntity> root, final CriteriaQuery<?> cq, final CriteriaBuilder cb) -> {
        final List<Predicate> predicates = new ArrayList<>();
        if (StringUtils.isNotBlank(name)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(CommandEntity_.name), name));
        }
        if (StringUtils.isNotBlank(user)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(CommandEntity_.user), user));
        }
        if (statuses != null && !statuses.isEmpty()) {
            final List<Predicate> orPredicates = statuses.stream()
                    .map(status -> cb.equal(root.get(CommandEntity_.status), status))
                    .collect(Collectors.toList());
            predicates.add(cb.or(orPredicates.toArray(new Predicate[orPredicates.size()])));
        }
        if (tags != null && !tags.isEmpty()) {
            predicates
                    .add(cb.like(root.get(CommandEntity_.tags), JpaSpecificationUtils.getTagLikeString(tags)));
        }
        return cb.and(predicates.toArray(new Predicate[predicates.size()]));
    };
}

From source file:com.espertech.esper.epl.core.ResultSetProcessorSimple.java

/**
 * Applies the select-clause to the given events returning the selected events. The number of events stays the
 * same, i.e. this method does not filter it just transforms the result set.
 * @param exprProcessor - processes each input event and returns output event
 * @param orderByProcessor - for sorting output events according to the order-by clause
 * @param events - input events/*w w w . j  a  v a  2  s .com*/
 * @param isNewData - indicates whether we are dealing with new data (istream) or old data (rstream)
 * @param isSynthesize - set to true to indicate that synthetic events are required for an iterator result set
 * @param exprEvaluatorContext context for expression evalauation
 * @return output events, one for each input event
 */
protected static EventBean[] getSelectEventsNoHaving(SelectExprProcessor exprProcessor,
        OrderByProcessor orderByProcessor, Set<MultiKey<EventBean>> events, boolean isNewData,
        boolean isSynthesize, ExprEvaluatorContext exprEvaluatorContext) {
    if ((events == null) || (events.isEmpty())) {
        return null;
    }
    int length = events.size();

    EventBean[] result = new EventBean[length];
    EventBean[][] eventGenerators = null;
    if (orderByProcessor != null) {
        eventGenerators = new EventBean[length][];
    }

    int count = 0;
    for (MultiKey<EventBean> key : events) {
        EventBean[] eventsPerStream = key.getArray();
        result[count] = exprProcessor.process(eventsPerStream, isNewData, isSynthesize, exprEvaluatorContext);
        if (orderByProcessor != null) {
            eventGenerators[count] = eventsPerStream;
        }
        count++;
    }

    if (orderByProcessor != null) {
        return orderByProcessor.sort(result, eventGenerators, isNewData, exprEvaluatorContext);
    } else {
        return result;
    }
}

From source file:de.iteratec.iteraplan.businesslogic.reports.query.postprocessing.HideSubInformationSystemReleasesWithConnectionMergingStrategy.java

/**
 * Merges to sets of transports.// w  w w.  j  av  a 2s  .  c  o m
 * 
 * @param transports1
 *          Transport set 1.
 * @param transports2
 *          Transport set 2.
 * @param symetricMerge
 *          The transports are symmetric.
 * @return The merged transports.
 */
private static Set<Transport> mergeTransports(Set<Transport> transports1, Set<Transport> transports2,
        boolean symetricMerge) {
    LOGGER.debug("merging transports {0} and {1}", transports1, transports2);

    if ((transports1 == null) || transports1.isEmpty()) {
        return transports2;
    }
    if ((transports2 == null) || transports2.isEmpty()) {
        return transports1;
    }

    Map<Integer, Transport> newTransports = createNewTransportsMapFromTransportSet(transports1);

    for (Transport transport : transports2) {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("(bo2: {0})", transport.getBusinessObject().getId());
        }

        Transport existingTransport = newTransports.get(transport.getBusinessObject().getId());
        if (existingTransport != null) {
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("transports to be merged carried same bo {0}",
                        transport.getBusinessObject().getName());
            }

            setNewDirectionsForExistingTransport(transport, existingTransport, symetricMerge);
        } else {
            LOGGER.debug("transports to be merged did not carry same bo");

            setNewDirectionsForNewTransport(symetricMerge, transport);
            newTransports.put(transport.getBusinessObject().getId(), transport);
        }
    }
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("done merging transports: {0}", newTransports.values());
    }
    return new HashSet<Transport>(newTransports.values());
}

From source file:com.netflix.genie.server.repository.jpa.CommandSpecs.java

/**
 * Get a specification using the specified parameters.
 *
 * @param name     The name of the command
 * @param userName The name of the user who created the command
 * @param statuses The status of the command
 * @param tags     The set of tags to search the command for
 * @return A specification object used for querying
 *///www  .  j av  a  2s.c om
public static Specification<Command> find(final String name, final String userName,
        final Set<CommandStatus> statuses, final Set<String> tags) {
    return new Specification<Command>() {
        @Override
        public Predicate toPredicate(final Root<Command> root, final CriteriaQuery<?> cq,
                final CriteriaBuilder cb) {
            final List<Predicate> predicates = new ArrayList<>();
            if (StringUtils.isNotBlank(name)) {
                predicates.add(cb.equal(root.get(Command_.name), name));
            }
            if (StringUtils.isNotBlank(userName)) {
                predicates.add(cb.equal(root.get(Command_.user), userName));
            }
            if (statuses != null && !statuses.isEmpty()) {
                //Could optimize this as we know size could use native array
                final List<Predicate> orPredicates = new ArrayList<>();
                for (final CommandStatus status : statuses) {
                    orPredicates.add(cb.equal(root.get(Command_.status), status));
                }
                predicates.add(cb.or(orPredicates.toArray(new Predicate[orPredicates.size()])));
            }
            if (tags != null) {
                for (final String tag : tags) {
                    if (StringUtils.isNotBlank(tag)) {
                        predicates.add(cb.isMember(tag, root.get(Command_.tags)));
                    }
                }
            }
            return cb.and(predicates.toArray(new Predicate[predicates.size()]));
        }
    };
}

From source file:grails.plugin.springsecurity.SpringSecurityUtils.java

public static boolean ifNotGranted(final Collection<? extends GrantedAuthority> roles) {
    Collection<? extends GrantedAuthority> inferred = findInferredAuthorities(getPrincipalAuthorities());
    Set<String> grantedCopy = retainAll(inferred, roles);
    return grantedCopy.isEmpty();
}

From source file:module.signature.util.XAdESValidator.java

private static void validateSigner(Document document, Set<User> usersPermitted, Set<User> usersExcluded,
        boolean allUsersPermittedShouldBeThere) throws SignatureDataException {

    if (!allUsersPermittedShouldBeThere || ((usersExcluded != null) && !usersExcluded.isEmpty())) {
        //TODO implement it when needed
        throw new DomainException("method.not.yet.implemented");
    }//w  ww . j  av a 2  s .  c  om
    final String ID_NR_PREFIX = "OID.2.5.4.5=BI";
    ArrayList<String> usersPermittedIdNumbers = new ArrayList<String>();
    for (User user : usersPermitted) {
        usersPermittedIdNumbers.add(user.getPerson().getRemotePerson().getDocumentIdNumber());
    }
    //let's extract each signature
    // XMLDSIG
    NodeList nlSignature = document.getElementsByTagNameNS("http://www.w3.org/2000/09/xmldsig#", "Signature");
    //DEBUG 
    System.out.println("Got " + nlSignature.getLength() + " signatures");
    if (nlSignature.getLength() < 1) {
        throw new SignatureException("could.not.find.a.signature.in.incoming.data", true, null);
    }

    HashSet<String> usersFoundIdNumbers = new HashSet<String>();
    for (int i = 0; i < nlSignature.getLength(); i++) {
        //for each signature, let's extract the ID number of who did it
        Element signature = (Element) nlSignature.item(i);
        try {
            XMLSignature xmlSig = new XMLSignature(signature, null);
            KeyInfo ki = xmlSig.getKeyInfo();
            String certificateIDNr = ki.getX509Certificate().getSubjectX500Principal().getName("RFC1779");
            certificateIDNr = certificateIDNr
                    .substring(certificateIDNr.indexOf(ID_NR_PREFIX) + ID_NR_PREFIX.length());
            //let's take out the virgul and the last character, which is a control one
            certificateIDNr = certificateIDNr.substring(0, certificateIDNr.indexOf(',') - 1);
            usersFoundIdNumbers.add(certificateIDNr);
        } catch (XMLSignatureException e) {
            e.printStackTrace();
            throw new SignatureDataException("signature.error.XMLSignatureExceptionError", e);
        } catch (XMLSecurityException e) {
            throw new SignatureDataException("signature.error.XMLSecurityException", e);
        }
    }

    //now let's validate the extracted info
    if (allUsersPermittedShouldBeThere && usersFoundIdNumbers.containsAll(usersPermittedIdNumbers)) {
        return;
        //TODO TODO URGENT uncomment the next two lines (just made possible to be able to test it!!)
    } else {
        throw new SignatureDataException("wrong.document.signer");
    }

    //TODO the rest of the use cases aren't implemented ATM

}

From source file:grails.plugin.springsecurity.SpringSecurityUtils.java

public static boolean ifAnyGranted(final Collection<? extends GrantedAuthority> roles) {
    Collection<? extends GrantedAuthority> inferred = findInferredAuthorities(getPrincipalAuthorities());
    Set<String> grantedCopy = retainAll(inferred, roles);
    return !grantedCopy.isEmpty();
}

From source file:com.netflix.genie.core.jpa.specifications.JpaApplicationSpecs.java

/**
 * Get a specification using the specified parameters.
 *
 * @param name     The name of the application
 * @param user     The name of the user who created the application
 * @param statuses The status of the application
 * @param tags     The set of tags to search the command for
 * @param type     The type of applications to fine
 * @return A specification object used for querying
 *///ww w.  j  a v  a2s  . c o m
public static Specification<ApplicationEntity> find(final String name, final String user,
        final Set<ApplicationStatus> statuses, final Set<String> tags, final String type) {
    return (final Root<ApplicationEntity> root, final CriteriaQuery<?> cq, final CriteriaBuilder cb) -> {
        final List<Predicate> predicates = new ArrayList<>();
        if (StringUtils.isNotBlank(name)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(ApplicationEntity_.name), name));
        }
        if (StringUtils.isNotBlank(user)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(ApplicationEntity_.user), user));
        }
        if (statuses != null && !statuses.isEmpty()) {
            final List<Predicate> orPredicates = statuses.stream()
                    .map(status -> cb.equal(root.get(ApplicationEntity_.status), status))
                    .collect(Collectors.toList());
            predicates.add(cb.or(orPredicates.toArray(new Predicate[orPredicates.size()])));
        }
        if (tags != null && !tags.isEmpty()) {
            predicates.add(
                    cb.like(root.get(ApplicationEntity_.tags), JpaSpecificationUtils.getTagLikeString(tags)));
        }
        if (StringUtils.isNotBlank(type)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(ApplicationEntity_.type), type));
        }
        return cb.and(predicates.toArray(new Predicate[predicates.size()]));
    };
}