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:org.geogit.storage.FieldType.java

public static FieldType forValue(Optional<Object> field) {
    if (field.isPresent()) {
        Object realField = field.get();
        Class<?> fieldClass = realField.getClass();
        return forBinding(fieldClass);
    } else {//  w  w  w. j a va 2  s.c om
        return NULL;
    }
}

From source file:org.onos.yangtools.yang.model.util.SchemaNodeUtils.java

public static final SchemaNode getRootOriginalIfPossible(final SchemaNode data) {
    Optional<SchemaNode> previous = Optional.absent();
    Optional<SchemaNode> next = getOriginalIfPossible(data);
    while (next.isPresent()) {
        previous = next;//from  w  w w . j a  va2  s. com
        next = getOriginalIfPossible(next.get());
    }
    return previous.orNull();
}

From source file:org.opendaylight.alto.basic.simpleird.SimpleIrdUtils.java

public static IrdInstance readInstance(ResourceId instanceId, ReadTransaction rx)
        throws InterruptedException, ExecutionException {
    InstanceIdentifier<IrdInstance> iid = getInstanceIID(instanceId);

    Optional<IrdInstance> instance = rx.read(LogicalDatastoreType.OPERATIONAL, iid).get();
    if (instance.isPresent()) {
        return instance.get();
    }//  www  . j  a  v  a 2  s  . com
    return null;
}

From source file:org.opendaylight.yangtools.yang.model.util.SchemaNodeUtils.java

public static SchemaNode getRootOriginalIfPossible(final SchemaNode data) {
    Optional<SchemaNode> previous = Optional.absent();
    Optional<SchemaNode> next = getOriginalIfPossible(data);
    while (next.isPresent()) {
        previous = next;//from ww w .  j  a v a2 s. com
        next = getOriginalIfPossible(next.get());
    }
    return previous.orNull();
}

From source file:de.azapps.tools.OptionalUtils.java

public static <F> void withOptional(@NonNull final Optional<F> optional,
        @NonNull final Procedure<F> procedure) {
    if (optional.isPresent()) {
        procedure.apply(optional.get());
    }/*from w w w.jav a 2s . c  o  m*/
}

From source file:org.sonar.server.computation.task.projectanalysis.step.BuildComponentTreeStep.java

@CheckForNull
private static Analysis toAnalysis(Optional<SnapshotDto> snapshotDto) {
    if (snapshotDto.isPresent()) {
        SnapshotDto dto = snapshotDto.get();
        return new Analysis.Builder().setId(dto.getId()).setUuid(dto.getUuid()).setCreatedAt(dto.getCreatedAt())
                .build();//from   w  w w  . j ava 2 s .c o  m
    }
    return null;
}

From source file:extrabiomes.module.fabrica.scarecrow.ItemScarecrow.java

private static boolean spawnCreature(World world, double x, double y, double z) {
    //{//from   w w w  .java 2 s. c  o  m
    final Optional<Entity> entity = Optional.fromNullable(EntityList.createEntityByName(NAME, world));

    if (entity.isPresent()) {
        entity.get().setLocationAndAngles(x, y, z, world.rand.nextFloat() * 360.0F, 0.0F);
        world.spawnEntityInWorld(entity.get());
    }

    return entity.isPresent();
    //}
}

From source file:org.assertj.guava.error.OptionalShouldBePresentWithValue.java

public static <T> ErrorMessageFactory shouldBePresentWithValue(final Optional<T> actual, final Object value) {
    return new OptionalShouldBePresentWithValue(
            "%nExpecting Optional to contain value %n<%s>%n but contained %n<%s>", value, actual.get());
}

From source file:org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.NeutronHelper.java

/**
 * This looks up the Endpoint L2 key from an
 * operational data store kept in neutron-mapper
 *
 * @param externalId The neutron port UUID
 * @param dataBroker {@link DataBroker} to use for the transaction
 * @return {@link EndpointKey} of the matching Endpoint, null if not found
 *///from  w w  w. j a v a  2 s.c o  m
public static EndpointKey getEpKeyFromNeutronMapper(UniqueId externalId, DataBroker dataBroker) {

    ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
    InstanceIdentifier<EndpointByPort> iid = InstanceIdentifier.create(Mappings.class)
            .child(GbpByNeutronMappings.class).child(EndpointsByPorts.class)
            .child(EndpointByPort.class, new EndpointByPortKey(externalId));
    Optional<EndpointByPort> optionalEp = readFromDs(LogicalDatastoreType.OPERATIONAL, iid, transaction);
    if (optionalEp.isPresent()) {
        EndpointByPort epByPort = optionalEp.get();
        return new EndpointKey(epByPort.getL2Context(), epByPort.getMacAddress());
    }
    return null;
}

From source file:de.flapdoodle.logparser.matcher.stacktrace.AbstractStackElement.java

protected static <T> Optional<T> match(CharSequence input, Pattern pattern, IStackElementFactory<T> factory) {
    Optional<Map<String, String>> m = Patterns.match(pattern.matcher(input));
    if (m.isPresent()) {
        return Optional.of(factory.newInstance(input.toString(), m.get()));
    }/*from   w w w. j  a v a2 s .  co  m*/
    return Optional.absent();
}