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:com.github.rinde.rinsim.event.Event.java

/**
 * Create a new event instance.// ww w . ja va  2s  .  c  o  m
 * @param type the event type.
 * @param pIssuer The event issuer, may be null.
 */
public Event(Enum<?> type, @Nullable Object pIssuer) {
    eventType = type;
    issuer = Optional.fromNullable(pIssuer);
}

From source file:com.facebook.buck.rules.ProjectConfigBuilder.java

public ProjectConfigBuilder setSrcRule(@Nullable BuildRule srcRule) {
    arg.srcTarget = Optional.fromNullable(srcRule);
    return this;
}

From source file:com.vino.repositories.CellarRepository.java

public Optional<WineCellar> getCellarByKey(String key) {
    return Optional
            .fromNullable(collections.from(EntityType.CELLAR).findOne(new ObjectId(key)).as(WineCellar.class));
}

From source file:org.locationtech.geogig.plumbing.diff.DiffPathTracker.java

public Optional<Node> currentRightTree() {
    return Optional.fromNullable(rightTrees.peek());
}

From source file:org.geogit.api.RevPerson.java

/**
 * @return the name
 */
public Optional<String> getName() {
    return Optional.fromNullable(name);
}

From source file:ph.devcon.android.speaker.fragment.SpeakerOnlyFragment.java

@Override
public void onResume() {
    super.onResume();
    FetchedSpeakerListEvent event = eventBus.getStickyEvent(FetchedSpeakerListEvent.class);
    Optional<FetchedSpeakerListEvent> eventOptional = Optional.fromNullable(event);
    if (eventOptional.isPresent()) {
        setSpeakerList(eventOptional.get().speakers);
    }/*  ww  w. jav  a  2 s  .c o  m*/
}

From source file:org.n52.shetland.aqd.EReportingChange.java

public EReportingChange(boolean changed, String description) {
    this.changed = changed;
    this.description = Optional.fromNullable(description);
}

From source file:org.eclipse.che.plugin.languageserver.ide.editor.signature.SignatureHelpImpl.java

public SignatureHelpImpl(SignatureHelpDTO dto) {
    activeParameter = Optional.fromNullable(dto.getActiveParameter());
    activeSignature = Optional.fromNullable(dto.getActiveSignature());
    signatureInfos = new ArrayList<>(dto.getSignatures().size());
    for (SignatureInformationDTO signatureInformationDTO : dto.getSignatures()) {
        signatureInfos.add(new SignatureInfoImpl(signatureInformationDTO));
    }//  w  w  w.j a  v  a  2s.  c  o m
}

From source file:org.croudtrip.db.AbstractDAO.java

public final Optional<T> findById(long id) {
    return Optional.fromNullable(get(id));
}

From source file:se.sics.ktoolbox.util.Either.java

public Optional<R> getOptionalRight() {
    if (this.isRight()) {
        return Optional.fromNullable(this.getRight());
    } else {/*w ww . ja  va2  s .  c  om*/
        return Optional.absent();
    }
}