Example usage for com.google.common.base Optional fromNullable

Introduction

In this page you can find the example usage for com.google.common.base Optional fromNullable.

Prototype

public static <T> Optional<T> fromNullable(@Nullable T nullableReference)

Source Link

Document

If nullableReference is non-null, returns an Optional instance containing that reference; otherwise returns Optional#absent .

Usage

From source file:org.opentestsystem.delivery.logging.EventInfo.java

/**
 * @return Moment in time of the event, such as the entry, exit or error
 *///from ww  w.j  a  v a 2  s .  c om
public Optional<String> checkpoint() {
    return Optional.fromNullable(checkpoint);
}

From source file:com.facebook.buck.d.DBinaryBuilder.java

public DBinaryBuilder setDeps(ImmutableSortedSet<BuildTarget> deps) {
    arg.deps = Optional.fromNullable(deps);
    return this;
}

From source file:com.qcadoo.mes.assignmentToShift.dataProviders.AssignmentToShiftCriteria.java

public AssignmentToShiftCriteria withCriteria(final SearchCriterion assignmentCriteria) {
    this.criteria = Optional.fromNullable(assignmentCriteria);
    return this;
}

From source file:net.es.nsi.pce.pf.PfUtils.java

public static String getDestinationStpOrFail(P2PServiceBaseType p2ps) {
    Optional<String> destStp = Optional.fromNullable(Strings.emptyToNull(p2ps.getDestSTP()));
    if (destStp.isPresent()) {
        return destStp.get();
    }//from w  w  w .j a va2s .c o m

    throw Exceptions.missingParameter(Point2PointTypes.getSourceStp().getNamespace(),
            Point2PointTypes.getDestStp().getType(), "null");
}

From source file:ch.acanda.eclipse.pmd.domain.WorkspaceModel.java

/**
 * Returns the project model for a project with the specified name.
 *
 * @param name The name of the project ({@code IProject.getName()}).
 * @return The project model if it was previously added otherwise {@code Optional#absent()}.
 *///from  ww  w .  j a  v  a2  s  .c om
public Optional<ProjectModel> getProject(final String name) {
    return Optional.fromNullable(projects.get(name));
}

From source file:org.opendaylight.controller.filtervalve.cors.jaxb.Context.java

public synchronized void initialize(String fileName, Map<String, Filter> namesToTemplates) {
    checkState(initialized == false, "Already initialized");
    Map<String, Filter> namesToFilters = new HashMap<>();
    for (Filter filter : filters) {
        try {/*from w  ww.  j  a va2s.  c  o m*/
            filter.initialize(fileName, Optional.fromNullable(namesToTemplates.get(filter.getFilterName())));
        } catch (Exception e) {
            throw new IllegalStateException(
                    format("Error while processing filter %s of context %s, defined in %s",
                            filter.getFilterName(), path, fileName),
                    e);
        }
        namesToFilters.put(filter.getFilterName(), filter);
    }
    filters = Collections.unmodifiableList(new ArrayList<>(filters));
    LinkedHashMap<String, Filter> patternMap = new LinkedHashMap<>();
    for (FilterMapping filterMapping : filterMappings) {
        filterMapping.initialize();
        Filter found = namesToFilters.get(filterMapping.getFilterName());
        if (found != null) {
            patternMap.put(filterMapping.getUrlPattern(), found);
        } else {
            logger.error("Cannot find matching filter for filter-mapping {} of context {}, defined in {}",
                    filterMapping.getFilterName(), path, fileName);
            throw new IllegalStateException(
                    format("Cannot find filter for filter-mapping %s of context %s, defined in %s",
                            filterMapping.getFilterName(), path, fileName));
        }
    }
    filterMappings = Collections.unmodifiableList(new ArrayList<>(filterMappings));
    urlMatcher = new UrlMatcher<>(patternMap);
    initialized = true;
}

From source file:org.eclipse.epp.internal.logging.aeri.ui.notifications.Notification.java

public Optional<NotificationPopup> getPopup() {
    return Optional.fromNullable(popup);
}

From source file:com.dangdang.ddframe.rdb.sharding.parser.result.router.ConditionContext.java

/**
 * ?./*from w w w  .  ja  va2s .  co m*/
 * 
 * @param table ??
 * @param column ??
 * @return ?
 */
public Optional<Condition> find(final String table, final String column) {
    return Optional.fromNullable(conditions.get(new Column(column, table)));
}

From source file:im.dadoo.teak.biz.bo.impl.DefaultArchiveBO.java

@Override
public Optional<ArchivePO> insert(String title, String author, String html, String thumbnailPath,
        long categoryId) {
    long publishDatetime = System.currentTimeMillis();
    int click = 0;
    String text = Jsoup.parse(html).text();
    ArchivePO archivePO = new ArchivePO();
    archivePO.setTitle(title);//from   w w w . j  ava2  s  .  co m
    archivePO.setAuthor(author);
    archivePO.setHtml(html);
    archivePO.setText(text);
    archivePO.setPublishDatetime(publishDatetime);
    archivePO.setClick(click);
    archivePO.setThumbnailPath(thumbnailPath);
    archivePO.setCategoryId(categoryId);
    return Optional.fromNullable(this.archiveDAO.insert(archivePO));
}

From source file:org.apache.rya.indexing.pcj.fluo.app.query.StatementPatternIdManager.java

/**
 * Add specified Set of ids to the Fluo table with Column {@link FluoQueryColumns#STATEMENT_PATTERN_IDS}. Also
 * updates the hash of the updated nodeId Set and writes that to the Column
 * {@link FluoQueryColumns#STATEMENT_PATTERN_IDS_HASH}
 *
 * @param tx - Fluo Transaction object for performing atomic operations on Fluo table.
 * @param ids - ids to add to the StatementPattern nodeId Set
 *///  w w  w .  j  a  v  a 2  s . c o  m
public static void addStatementPatternIds(TransactionBase tx, Set<String> ids) {
    checkNotNull(tx);
    checkNotNull(ids);
    Optional<Bytes> val = Optional.fromNullable(tx.get(Bytes.of(STATEMENT_PATTERN_ID), STATEMENT_PATTERN_IDS));
    StringBuilder builder = new StringBuilder();
    if (val.isPresent()) {
        builder.append(val.get().toString());
        builder.append(VAR_DELIM);
    }
    String idString = builder.append(Joiner.on(VAR_DELIM).join(ids)).toString();
    tx.set(Bytes.of(STATEMENT_PATTERN_ID), STATEMENT_PATTERN_IDS, Bytes.of(idString));
    tx.set(Bytes.of(STATEMENT_PATTERN_ID), STATEMENT_PATTERN_IDS_HASH,
            Bytes.of(Hashing.sha256().hashString(idString).toString()));
}