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

Introduction

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

Prototype

public static <T> Optional<T> of(T reference)

Source Link

Document

Returns an Optional instance containing the given non-null reference.

Usage

From source file:net.diogobohm.timed.impl.ui.taskitem.TaskItemModel.java

@Override
public void setDomainBean(Task task) {
    getStartDateHolder().setValue(Optional.of(task.getStart()));
    getStopDateHolder().setValue(task.getFinish());
    getTaskLabelHolder().setTypedValue(task);
    getTaskElapsedTimeHolder().setTypedValue(Task.convertWorkedTimeToString(getTaskTime(task)));
}

From source file:org.stilavia.service.zalando.RequestChain.java

public RequestChain(RequestChain parent, String path) {
    Preconditions.checkNotNull(parent);//from  www .j  a  v a 2 s. c o m
    this.context = parent.getContext();
    this.parent = Optional.of(parent);
    this.path = path;
}

From source file:com.facebook.buck.rules.coercer.ListTypeCoercer.java

@Override
public Optional<ImmutableList<T>> getOptionalValue() {
    return Optional.of(ImmutableList.<T>of());
}

From source file:se.sics.kompics.network.netty.MessageWrapper.java

MessageWrapper(MessageNotify.Req notify) {
    this.msg = notify.msg;
    this.notify = Optional.of(notify);
}

From source file:org.feature4j.MatcherFeatureOverride.java

@Override
public Optional<V> extractFeatureValue(FeaturesContext ctx) {
    if (matcher.matches(ctx)) {
        return Optional.of(overrideValue);
    } else {//from   ww w .  ja  va  2s . c o  m
        return Optional.absent();
    }
}

From source file:br.com.objectos.way.ide.IFileWrapperPojo.java

@Override
public Optional<ICompilationUnit> getICompilationUnit() {
    IJavaElement element = JavaCore.create(file);
    ICompilationUnit compilationUnit = (ICompilationUnit) element.getAncestor(IJavaElement.COMPILATION_UNIT);
    return Optional.of(compilationUnit);
}

From source file:com.google.errorprone.bugpatterns.threadsafety.GuardedByBinder.java

/**
 * Creates a {@link GuardedByExpression} from a bound AST node, or returns
 * {@code Optional.absent()} if the AST node doesn't correspond to a 'simple'
 * lock expression./*www .  j ava  2  s.  c om*/
 */
public static Optional<GuardedByExpression> bindExpression(JCTree.JCExpression exp, VisitorState visitorState) {
    try {
        return Optional.of(bind(exp,
                BinderContext.of(ALREADY_BOUND_RESOLVER,
                        ASTHelpers.getSymbol(visitorState.findEnclosing(ClassTree.class)),
                        visitorState.getTypes(), Names.instance(visitorState.context))));
    } catch (IllegalGuardedBy expected) {
        return Optional.absent();
    }
}

From source file:com.vsct.dt.hesperides.security.SimpleAuthenticator.java

@Override
public Optional<User> authenticate(final BasicCredentials basicCredentials) throws AuthenticationException {
    return Optional.of(new User(basicCredentials.getUsername(), true));
}

From source file:cf.janga.hook.core.DefaultPluginRegistration.java

public DefaultPluginRegistration(String pluginFileName, String pluginClass, String loadingError) {
    super("", "", "");
    this.loadingError = Optional.of(loadingError);
    this.pluginClass = pluginClass;
    this.pluginFileName = pluginFileName;
}

From source file:de.flapdoodle.apache.pivot.events.AsyncEvent.java

public <X> Optional<X> payload(Class<X> type) {
    if (!failed()) {
        if (type.isInstance(payload)) {
            return Optional.of((X) payload);
        }//w  ww.j  av  a  2 s  . c  o m
    }
    return Optional.absent();
}