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: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);
    }//ww w.j  av  a2  s  .c o m

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

From source file:cz.cuni.mff.ms.brodecva.botnicek.ide.aiml.types.AttributeImplementation.java

/**
 * Vytvo atribut./*from   www .  j a  v a2 s.c  o m*/
 * 
 * @param name
 *            nzev
 * @param value
 *            hodnota
 * @param namespace
 *            prostor jmen
 * @return atribut
 */
public static AttributeImplementation create(final String name, final String value, final URI namespace) {
    Preconditions.checkNotNull(name);
    Preconditions.checkNotNull(value);
    Preconditions.checkNotNull(namespace);
    Preconditions.checkArgument(!name.isEmpty());

    return new AttributeImplementation(name, value, Optional.of(namespace));
}

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

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

From source file:com.streamsets.pipeline.hbase.api.common.producer.HBaseColumn.java

public void setQualifier(byte[] qualifier) {
    this.qualifier = Optional.of(qualifier);
}

From source file:org.jclouds.openstack.keystone.v2_0.functions.PresentWhenAdminURLExistsForIdentityService.java

@Override
public Optional<Object> apply(ClassMethodArgsAndReturnVal input) {
    //TODO: log and return absent when the admin url for identity service isn't available
    return Optional.of(input.getReturnVal());
}

From source file:ch.css.workingdiary.service.EntryService.java

public Optional<Long> create(final Entry newEntry, final long userId) {
    final long newEntryId = entryDao.create(newEntry.getTitle(), newEntry.getMessage(), newEntry.isDraft(),
            userId);//from www  . ja  va  2s . c  om
    return Optional.of(newEntryId);
}

From source file:gobblin.hive.HivePartitionComparator.java

@SuppressWarnings("unchecked")
public T compareValues() {
    if (!this.result) {
        compare(Optional.of(((HivePartition) this.existingUnit).getValues()),
                Optional.of(((HivePartition) this.newUnit).getValues()));
    }//from   w  w w .j a v  a 2s. co m
    return (T) this;
}

From source file:org.pau.assetmanager.business.HistoricalStockValuesBusiness.java

public static Optional<HistoricalStockValue> getHistoricalLastValueForSymbol(String symbol) {
    String query = "select historicalStockValue from HistoricalStockValue historicalStockValue where symbol = :symbol order by year desc, month desc";
    List<HistoricalStockValue> optionalHistoricalStockValue = DaoFunction
            .<HistoricalStockValue>querySimpleListFunction("symbol", symbol).apply(query);
    if (optionalHistoricalStockValue.size() > 0) {
        return Optional.of(optionalHistoricalStockValue.iterator().next());
    } else {/*from   w ww.  j  av  a 2s. co m*/
        return Optional.absent();
    }
}

From source file:com.facebook.buck.shell.ExportFileBuilder.java

public ExportFileBuilder setOut(String out) {
    arg.out = Optional.of(out);
    return this;
}

From source file:org.opendaylight.controller.netconf.confignetconfconnector.mapping.attributes.toxml.CompositeAttributeWritingStrategy.java

@Override
public void writeElement(Element parentElement, String namespace, Object value) {
    Util.checkType(value, Map.class);

    Element innerNode = XmlUtil.createElement(document, key, Optional.of(namespace));

    Map<?, ?> map = (Map<?, ?>) value;

    for (Entry<?, ?> innerObjectEntry : map.entrySet()) {
        Util.checkType(innerObjectEntry.getKey(), String.class);

        String innerKey = (String) innerObjectEntry.getKey();
        Object innerValue = innerObjectEntry.getValue();

        innerStrats.get(innerKey).writeElement(innerNode, namespace, innerValue);
    }// w w  w .j a v a 2 s.  c  om
    parentElement.appendChild(innerNode);
}