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.autermann.wps.commons.description.ows.OwsCodeType.java

public Optional<String> getCodeSpace() {
    return Optional.fromNullable(this.codeSpace);
}

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

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

    if (!optionalNode.isPresent()) {

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

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

    if (node instanceof BNode) {

        if (optionalIsType.isPresent()) {

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

                nodeType = NodeType.BNode;
            } else {

                nodeType = NodeType.TypeBNode;
            }
        } else {

            nodeType = NodeType.BNode;
        }

    } else if (node instanceof Literal) {

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

        if (optionalIsType.isPresent()) {

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

                nodeType = NodeType.Resource;
            } else {

                nodeType = NodeType.TypeResource;
            }
        } else {

            nodeType = NodeType.Resource;
        }
    } else {

        nodeType = null;
    }

    return Optional.fromNullable(nodeType);
}

From source file:com.github.autermann.wps.commons.description.ows.OwsLanguageString.java

public Optional<String> getLang() {
    return Optional.fromNullable(this.lang);
}

From source file:org.auraframework.impl.css.flavor.FlavorMappingImpl.java

@Override
public Optional<DefDescriptor<FlavoredStyleDef>> getLocation(DefDescriptor<ComponentDef> component,
        String flavorName) {/*from  w w w.j av a2 s.co m*/
    return Optional.fromNullable(table.get(component, flavorName));
}

From source file:com.arpnetworking.clusteraggregator.partitioning.InMemoryPartitionSet.java

/**
 * {@inheritDoc}/*  ww w .  j  a v  a2 s  .c  o m*/
 */
@Override
public Optional<Integer> getExistingPartition(final String key) {
    return Optional.fromNullable(_mappings.get(key));
}

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

public void setDescription(String description) {
    this.description = Optional.fromNullable(description);
}

From source file:io.crate.sql.tree.CopyFrom.java

public CopyFrom(Table table, Expression path, @Nullable GenericProperties genericProperties) {

    this.table = table;
    this.path = path;
    this.genericProperties = Optional.fromNullable(genericProperties);
}

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

@Override
public Optional<CategoryPO> insert(String name, String description) {
    CategoryPO categoryPO = this.categoryDAO.findByName(name);
    //????/*from  w  ww  .  jav a  2 s.  c  om*/
    if (categoryPO == null) {
        logger.info(String.format("name{%s} unused", name));
        categoryPO = new CategoryPO();
        categoryPO.setName(name);
        categoryPO.setDescription(description);
        return Optional.fromNullable(this.categoryDAO.insert(categoryPO));
    } else {
        logger.info(String.format("name{%s} used by category{%d}", name, categoryPO.getId()));
        return Optional.absent();
    }
}

From source file:io.crate.sql.tree.CreateBlobTable.java

public CreateBlobTable(Table name, @Nullable ClusteredBy clusteredBy, @Nullable GenericProperties properties) {
    this.name = name;
    this.clusteredBy = Optional.fromNullable(clusteredBy);
    this.genericProperties = Optional.fromNullable(properties);
}

From source file:org.jclouds.azure.management.options.CreateHostedServiceOptions.java

/**
 * @see CreateHostedServiceOptions#getDescription()
 *///from  w ww . j a v a 2  s.  co  m
public CreateHostedServiceOptions description(String description) {
    this.description = Optional.fromNullable(description);
    return this;
}