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.nbyl.xfdcontrol.service.jenkins.StatusRouteService.java

@PostConstruct
public void startStatusRoute() throws Exception {
    Optional<Route> oldRoute = Optional.fromNullable(camelContext.getRoute(ROUTE_NAME));
    if (oldRoute.isPresent()) {
        camelContext.stopRoute(ROUTE_NAME);
        camelContext.removeRoute(ROUTE_NAME);
    }//from w  ww.j a  v  a 2 s  .  com

    camelContext.addRoutes(new RouteBuilder() {
        @Override
        public void configure() throws Exception {
            from("timer://statusUpdate?fixedRate=true&delay=0&period=10000")
                    .to(settings.getJobUrl() + "/api/json").unmarshal()
                    .json(JsonLibrary.Gson, JenkinsJobStatus.class).convertBodyTo(JenkinsJobStatusEvent.class)
                    .to("spring-event://default").routeId(ROUTE_NAME);
        }
    });
}

From source file:org.opendaylight.controller.config.facade.xml.mapping.attributes.fromxml.AttributeConfigElement.java

public AttributeConfigElement(Object defaultValue, Object value, final EditStrategyType editStrategyType) {
    this.defaultValue = defaultValue;
    this.value = value;
    this.editStrategy = Optional.fromNullable(editStrategyType);
}

From source file:org.opendaylight.yangtools.yang.data.api.schema.tree.spi.LazyMutableContainerNode.java

@Override
public Optional<TreeNode> getChild(final PathArgument childId) {
    final TreeNode modified = getModifiedChild(childId);
    if (modified != null) {
        return Optional.of(modified);
    }/*from   ww  w.j av  a 2 s .co m*/

    return Optional.fromNullable(AbstractContainerNode.getChildFromData(getData(), childId, getVersion()));
}

From source file:org.raml.jaxrs.parser.model.JerseyJaxRsFormParameter.java

@Override
public Optional<String> getDefaultValue() {
    return Optional.fromNullable(this.parameter.getDefaultValue());
}

From source file:adept.common.TemporalSpan.java

private TemporalSpan(TemporalValue beginDate, TemporalValue endDate) {
    this.beginDate = Optional.fromNullable(beginDate);
    this.endDate = Optional.fromNullable(endDate);
}

From source file:org.dswarm.graph.rdf.utils.NodeTypeUtils.java

public static Optional<NodeType> getNodeType(final Optional<RDFNode> optionalNode,
        final Optional<Boolean> optionalIsType) {

    if (!optionalNode.isPresent()) {

        return Optional.absent();
    }//from   w  w w.j a  v  a 2  s  .  co m

    final NodeType nodeType;
    final RDFNode node = optionalNode.get();

    if (node.isURIResource()) {

        if (optionalIsType.isPresent()) {

            if (Boolean.FALSE.equals(optionalIsType.get())) {

                nodeType = NodeType.Resource;
            } else {

                nodeType = NodeType.TypeResource;
            }
        } else {

            nodeType = NodeType.Resource;
        }
    } else if (node.isAnon()) {

        if (optionalIsType.isPresent()) {

            if (Boolean.FALSE.equals(optionalIsType.get())) {

                nodeType = NodeType.BNode;
            } else {

                nodeType = NodeType.TypeBNode;
            }
        } else {

            nodeType = NodeType.BNode;
        }
    } else if (node.isLiteral()) {

        nodeType = NodeType.Literal;
    } else {

        nodeType = null;
    }

    return Optional.fromNullable(nodeType);
}

From source file:org.apache.aurora.scheduler.storage.db.DbSchedulerStore.java

@Timed("scheduler_store_fetch_framework_id")
@Override
public Optional<String> fetchFrameworkId() {
    return Optional.fromNullable(mapper.select());
}

From source file:io.dohko.jdbi.OptionalContainerFactory.java

@Override
public ContainerBuilder<Optional<?>> newContainerBuilderFor(Class<?> type) {
    return new ContainerBuilder<Optional<?>>() {
        private Optional<?> _optional = Optional.absent();

        @Override/*w  ww .j  a v  a2  s  .com*/
        public ContainerBuilder<Optional<?>> add(Object it) {
            this._optional = Optional.fromNullable(it);

            return this;
        }

        @Override
        public Optional<?> build() {
            return _optional;
        }
    };
}

From source file:eu.numberfour.n4js.ui.workingsets.WorkingSetEditWizard.java

/**
 * Returns with the edited working set if it was initialized from the actual selection.
 *
 * @return the edited working set. Could be {@link Optional#absent() absent}.
 *//*from   w ww .  j av  a  2s .  c  om*/
protected Optional<WorkingSet> getEditedWorkingSet() {
    return Optional.fromNullable(editedWorkingSet);
}

From source file:com.github.autermann.matlab.server.MatlabInstanceConfiguration.java

public Optional<File> getBaseDir() {
    return Optional.fromNullable(this.baseDir);
}