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

Introduction

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

Prototype

public abstract boolean isPresent();

Source Link

Document

Returns true if this holder contains a (non-null) instance.

Usage

From source file:org.sonar.server.computation.task.projectanalysis.formula.coverage.CoverageUtils.java

static double getMeasureVariations(CounterInitializationContext counterContext, String metricKey) {
    Optional<Measure> measure = counterContext.getMeasure(metricKey);
    if (!measure.isPresent() || !measure.get().hasVariation()) {
        return 0d;
    }//from w  w w . j a  va  2 s .c  om
    return measure.get().getVariation();
}

From source file:org.apache.usergrid.persistence.model.entity.EntityMap.java

public static Optional<EntityMap> fromEntity(Optional<Entity> entity) {
    if (entity.isPresent()) {
        EntityMap map = fromEntity(entity.get());
        return Optional.fromNullable(map);
    } else {/*from   w  ww  .  j a  v a 2 s  .co m*/
        return Optional.absent();
    }
}

From source file:org.sonar.server.computation.formula.SumFormula.java

private static <T extends Number> boolean shouldCreateMeasure(CreateMeasureContext context, Optional<T> value) {
    return value.isPresent() && CrawlerDepthLimit.LEAVES.isDeeperThan(context.getComponent().getType());
}

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

public static <T> void writeToParcel(final @NonNull Parcel dest, final @NonNull Optional<T> value) {
    dest.writeValue(value.isPresent());
    if (value.isPresent()) {
        dest.writeValue(value.get());/* w ww. j a v  a2s.c  om*/
    }
}

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  v  a  2s .com*/
        next = getOriginalIfPossible(next.get());
    }
    return previous.orNull();
}

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;//w  w  w.ja v  a 2  s  . c  om
        next = getOriginalIfPossible(next.get());
    }
    return previous.orNull();
}

From source file:org.opendaylight.alto.spce.network.util.DataHelper.java

/**
 * @param dataBroker/*  w ww . j a  v  a2  s. c o  m*/
 * @param iid
 * @param type
 * @param <T>
 * @return The data of iid
 * @throws ReadDataFailedException
 */
public static <T extends DataObject> T readFromDataStore(DataBroker dataBroker, InstanceIdentifier<T> iid,
        LogicalDatastoreType type) throws ReadDataFailedException {
    ReadOnlyTransaction tx = dataBroker.newReadOnlyTransaction();
    Future<Optional<T>> future = tx.read(type, iid);
    try {
        if (future != null) {
            Optional<T> optional = future.get();
            if (optional.isPresent()) {
                return optional.get();
            }
        }
    } catch (InterruptedException | ExecutionException e) {
        e.printStackTrace();
    } finally {
        tx.close();
    }
    throw new ReadDataFailedException();
}

From source file:google.registry.util.UrlFetchUtils.java

/** Sets the HTTP Basic Authentication header on an {@link HTTPRequest}. */
public static void setAuthorizationHeader(HTTPRequest req, Optional<String> login) {
    if (login.isPresent()) {
        String token = base64().encode(login.get().getBytes(UTF_8));
        req.addHeader(new HTTPHeader(AUTHORIZATION, "Basic " + token));
    }//from   w  w  w .j a v  a  2s .c  o  m
}

From source file:org.apache.distributedlog.namespace.DistributedLogNamespaceImpl.java

private static <T> java.util.Optional<T> gOptional2JOptional(Optional<T> gOptional) {
    if (gOptional.isPresent()) {
        return java.util.Optional.of(gOptional.get());
    } else {/*w  ww  .j  av  a  2s.  c om*/
        return java.util.Optional.empty();
    }
}

From source file:com.treasuredata.client.TDClientException.java

private static final String formatErrorMessage(ErrorType errorType, String message, Optional<Exception> cause) {
    String rootCauseErrorMessage = cause.isPresent() ? " The root cause: " + cause.get().getMessage() : "";
    return String.format("[%s] %s%s", errorType.name(), message != null ? message : "", rootCauseErrorMessage);
}