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

Introduction

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

Prototype

@Beta
public abstract T or(Supplier<? extends T> supplier);

Source Link

Document

Returns the contained instance if it is present; supplier.get() otherwise.

Usage

From source file:com.pinterest.teletraan.resource.Images.java

@GET
public List<ImageBean> getImagesByAppname(@QueryParam("app") Optional<String> appName,
        @QueryParam("start") Optional<Integer> start, @QueryParam("size") Optional<Integer> size)
        throws Exception {
    return imageDAO.getImages(appName.orNull(), start.or(1), size.or(DEFAULT_PAGE_SIZE));
}

From source file:org.onos.yangtools.yang.model.repo.api.SourceIdentifier.java

/**
 *
 * Creates new YANG Schema source identifier.
 *
 * @param name Name of schema/*from w w  w .  jav  a2 s  .  co  m*/
 * @param formattedRevision Revision of source in format YYYY-mm-dd. If not present, default value will be used.
 */
public SourceIdentifier(final String name, final Optional<String> formattedRevision) {
    this(name, formattedRevision.or(NOT_PRESENT_FORMATTED_REVISION));
}

From source file:com.addthis.hydra.job.web.resources.TaskResource.java

@GET
@Path("/stop")
@Produces(MediaType.APPLICATION_JSON)// w  w  w .  j  a va2 s  .c om
public Response stopTask(@QueryParam("job") Optional<String> jobId,
        @QueryParam("task") Optional<Integer> task) {
    try {
        spawn.stopTask(jobId.or(""), task.or(-1));
        return Response.ok().build();
    } catch (Exception ex) {
        return Response.serverError().entity(ex.getMessage()).build();
    }
}

From source file:com.addthis.hydra.job.web.resources.TaskResource.java

@GET
@Path("/kill")
@Produces(MediaType.APPLICATION_JSON)//  w w  w  .j a va 2 s . c  o  m
public Response killTask(@QueryParam("job") Optional<String> jobId,
        @QueryParam("task") Optional<Integer> task) {
    try {
        spawn.killTask(jobId.or(""), task.or(-1));
        return Response.ok().build();
    } catch (Exception ex) {
        return Response.serverError().entity(ex.getMessage()).build();
    }
}

From source file:io.crate.operation.projectors.IterableRowEmitter.java

public IterableRowEmitter(RowReceiver rowReceiver, final Iterable<? extends Row> rows,
        Optional<Executor> executor) {
    this.rowReceiver = rowReceiver;
    this.rows = rows;
    this.rowsIt = rows.iterator();
    this.resumeable = new ExecutorResumeHandle(executor.or(MoreExecutors.directExecutor()), this);
}

From source file:com.voxelplugineering.voxelsniper.service.CommandHandlerService.java

@Override
protected void _init() {
    Optional<String> pmsg = this.config.get("permissionsRequiredMessage", String.class);
    this.permissionMessage = pmsg.or("You lack the required permission for this command.");
    this.commands = Maps.newHashMap();
    this.unique = Lists.newArrayList();

}

From source file:io.scigraph.owlapi.curies.CurieUtil.java

/***
 * Returns the CURIE of an IRI, if mapped.
 * /*from  ww w .  j  ava 2 s  .co m*/
 * @param iri
 * @return An {@link Optional} CURIE
 */
public Optional<String> getCurie(String iri) {
    Optional<String> candidate = Optional.absent();
    for (String prefix : curieMap.inverse().keySet()) {
        if (checkNotNull(iri).startsWith(prefix) && candidate.or("").length() < prefix.length()) {
            candidate = Optional.of(prefix);
        }
    }
    if (candidate.isPresent()) {
        return Optional.of(String.format("%s:%s", curieMap.inverse().get(candidate.get()),
                iri.substring(candidate.get().length(), iri.length())));
    } else {
        return Optional.absent();
    }
}

From source file:org.apache.rya.indexing.pcj.fluo.app.export.rya.RyaSubGraphExporter.java

private void insertTriples(TransactionBase tx, final Collection<RyaStatement> triples) {
    for (final RyaStatement triple : triples) {
        Optional<byte[]> visibility = Optional.fromNullable(triple.getColumnVisibility());
        try {// ww w.j a  va  2 s .co  m
            tx.set(spoFormat(triple), FluoQueryColumns.TRIPLES, Bytes.of(visibility.or(new byte[0])));
        } catch (final TripleRowResolverException e) {
            log.error("Could not convert a Triple into the SPO format: " + triple);
        }
    }
}

From source file:com.arpnetworking.tsdcore.statistics.SumStatistic.java

/**
 * {@inheritDoc}//from  w ww .j a  v a 2 s  . c  om
 */
@Override
public Quantity calculate(final List<Quantity> unorderedValues) {
    double sum = 0d;
    Optional<Unit> unit = Optional.absent();
    for (final Quantity sample : unorderedValues) {
        sum += sample.getValue();
        unit = unit.or(sample.getUnit());
    }
    return new Quantity.Builder().setValue(sum).setUnit(unit.orNull()).build();
}

From source file:com.arpnetworking.tsdcore.statistics.MeanStatistic.java

/**
 * {@inheritDoc}/*from  w  w  w  .  j  av a 2s  .  c  o  m*/
 */
@Override
public Quantity calculate(final List<Quantity> orderedValues) {
    // TODO(vkoskela): Statistic calculation should be allowed to either fail or not return a quantity. [MAI-?]
    if (orderedValues.size() == 0) {
        return ZERO;
    }
    double sum = 0;
    Optional<Unit> unit = Optional.absent();
    for (final Quantity sample : orderedValues) {
        sum += sample.getValue();
        unit = unit.or(sample.getUnit());
    }
    return new Quantity.Builder().setValue(sum / orderedValues.size()).setUnit(unit.orNull()).build();
}