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

Introduction

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

Prototype

public abstract T get();

Source Link

Document

Returns the contained instance, which must be present.

Usage

From source file:com.aegiswallet.widgets.AegisTypeface.java

public static void applyTypeface(TextView widget, Optional<Font> font) {
    Optional<Typeface> typeface = createTypeface(widget, font);
    if (typeface.isPresent()) {
        widget.setTypeface(typeface.get());
    }/*from   ww w .  j a  v a2s .c om*/
}

From source file:org.eclipse.buildship.core.workspace.internal.EclipseVmUtil.java

private static IVMInstall findOrRegisterVM(String version, File location) {
    Optional<IVMInstall> vm = findRegisteredVM(version);
    return vm.isPresent() ? vm.get() : registerNewVM("Java SE " + version, location);
}

From source file:ec.nbdemetra.jdbc.OpenJndiJdbcDataSource.java

static void preFillBean(JdbcBean bean, Node node) {
    Optional<DatabaseConnection> dbConn = findConnection(node);
    if (dbConn.isPresent()) {
        bean.setDbName(dbConn.get().getDisplayName());
    }/*from   w ww . j a va 2  s .  co m*/
    if (isTableOrView(node)) {
        bean.setTableName(node.getName());
    }
}

From source file:org.opendaylight.faas.fabric.utils.InterfaceManager.java

@SuppressWarnings("unchecked")
public static InstanceIdentifier<TerminationPoint> convDevPort2FabricPort(DataBroker broker, FabricId fabricid,
        InstanceIdentifier<TerminationPoint> tpIid) {

    ReadTransaction rt = broker.newReadOnlyTransaction();
    Optional<TerminationPoint> opt = MdSalUtils.syncReadOper(rt, tpIid);
    if (opt.isPresent()) {
        TerminationPoint tp = opt.get();
        return (InstanceIdentifier<TerminationPoint>) tp.getAugmentation(FabricPortAug.class).getPortRef()
                .getValue();/*  w w w  .j  av  a2 s  .c  o  m*/
    }
    return null;
}

From source file:gobblin.writer.partitioner.TimeBasedAvroWriterPartitioner.java

/**
 *  Check if the partition column value is present and is a Long object. Otherwise, use current system time.
 *//*from  w  w  w  .ja  v  a 2 s.  c om*/
private static long getRecordTimestamp(Optional<Object> writerPartitionColumnValue) {
    return writerPartitionColumnValue.orNull() instanceof Long ? (Long) writerPartitionColumnValue.get()
            : System.currentTimeMillis();
}

From source file:com.complexible.common.base.Copyables.java

/**
 * If the {@link Optional} has ({@link Optional#isPresent isPresent a value} a {@link Copyable#copy} is made of the object.
 * Otherwise, with an absent value, the Optional is returned as-is
 *
 * @param theObj    the object to copy//from www .j av  a 2  s. c  o m
 * @param <T>       the object's type
 * @return          an Optional which contains a copy of the object if a value is present on the optional.
 */
public static <T> Optional<T> copy(final Optional<T> theObj) {
    if (theObj.isPresent()) {
        return Optional.of(copy(theObj.get()));
    } else {
        // no value, no need to make a copy
        return theObj;
    }
}

From source file:org.apache.gobblin.compliance.utils.ProxyUtils.java

@SafeVarargs
public static HiveProxyQueryExecutor getQueryExecutor(State state, Optional<String>... owners)
        throws IOException {
    List<String> proxies = new ArrayList<>();
    for (Optional<String> owner : owners) {
        if (owner.isPresent()) {
            proxies.add(owner.get());
        }/*from ww  w. jav a 2  s  .co  m*/
    }
    return new HiveProxyQueryExecutor(state, proxies);
}

From source file:org.fabrician.enabler.util.DockerActivationInfo.java

public static DockerActivationInfo inject(final ActivationInfo info, final String containerIdentity,
        final DockerClient client) {
    Optional<Container> c = client.inspectContainer(containerIdentity);
    if (c.isPresent()) {
        DockerActivationInfo.instance(info, c.get()).inject();
    }// w  w w.ja  v a2 s.  c o  m
    return DockerActivationInfo.instance(info, null);
}

From source file:com.shufudong.GuavaExample.collect.OptionalExample.java

/**
 * @return//from w  w  w. j av  a 2s  .  c o m
 * @category <p></p>
 * <ol>
 * <li> boolean isPresent()Optional?T?nulltrueTnullfalse</li>
 * <li>T get()Optional?TT???nullOptionalget()IllegalStateException</li>
 * <li>T or(T)Optional?T?Optional?T?T</li>
 * <li>T orNull()Optional??TOptional?null?fromNullable()</li>
 * <li>Set<T> asSet()??SetSet?Optional??TSet?T??Optional?T??Set</li>
 * </ol>
 * @throw
 */
public static void testMethodReturn() {
    Optional<Long> value = method();
    if (value.isPresent() == true) {
        System.out.println(": " + value.get());
    } else {

        System.out.println(": " + value.or(-12L));
    }

    System.out.println(" orNull: " + value.orNull());

    Optional<Long> valueNoNull = methodNoNull();
    if (valueNoNull.isPresent() == true) {
        Set<Long> set = valueNoNull.asSet();
        System.out.println(" set  size : " + set.size());
        System.out.println(": " + valueNoNull.get());
    } else {
        System.out.println(": " + valueNoNull.or(-12L));
    }

    System.out.println(" orNull: " + valueNoNull.orNull());
}

From source file:org.opendaylight.faas.fabric.utils.InterfaceManager.java

@SuppressWarnings("unchecked")
public static InstanceIdentifier<TerminationPoint> convFabricPort2DevicePort(DataBroker broker,
        FabricId fabricid, TpId tpid) {// w  w w . j  a v a  2  s .c om
    InstanceIdentifier<TerminationPoint> iidFPort = MdSalUtils.createFabricPortIId(fabricid, tpid);

    ReadTransaction rt = broker.newReadOnlyTransaction();
    Optional<TerminationPoint> opt = MdSalUtils.syncReadOper(rt, iidFPort);
    if (opt.isPresent()) {
        TerminationPoint tp = opt.get();
        return (InstanceIdentifier<TerminationPoint>) tp.getAugmentation(FabricPortAugment.class)
                .getFportAttribute().getDevicePort().getValue();
    }
    return null;
}