Example usage for com.google.common.collect Iterables filter

Introduction

In this page you can find the example usage for com.google.common.collect Iterables filter.

Prototype

@GwtIncompatible("Class.isInstance")
@CheckReturnValue
public static <T> Iterable<T> filter(final Iterable<?> unfiltered, final Class<T> desiredType)

Source Link

Document

Returns all elements in unfiltered that are of the type desiredType .

Usage

From source file:co.cask.cdap.common.HttpExceptionHandler.java

@Override
public void handle(Throwable t, HttpRequest request, HttpResponder responder) {
    // Check if the exception is caused by Service being unavailable: this will happen during master startup
    if (Iterables.size(Iterables.filter(Throwables.getCausalChain(t), ServiceUnavailableException.class)) > 0) {
        // no need to log ServiceUnavailableException because at master startup we are waiting for services to come up
        responder.sendString(HttpResponseStatus.SERVICE_UNAVAILABLE, t.getMessage());
    } else if (t instanceof HttpErrorStatusProvider) {
        logWithTrace(request, t);//  ww w.j  ava 2  s  .  com
        responder.sendString(HttpResponseStatus.valueOf(((HttpErrorStatusProvider) t).getStatusCode()),
                t.getMessage());
    } else {
        LOG.error("Unexpected error: request={} {} user={}:", request.getMethod().getName(), request.getUri(),
                Objects.firstNonNull(SecurityRequestContext.getUserId(), "<null>"), t);
        responder.sendString(HttpResponseStatus.INTERNAL_SERVER_ERROR, Throwables.getRootCause(t).getMessage());
    }
}

From source file:org.eclipse.viatra.query.patternlanguage.emf.ui.validation.EMFPatternLanguageUniqueClassNameValidator.java

@Override
protected boolean checkUniqueInIndex(JvmDeclaredType type, Iterable<IEObjectDescription> descriptions) {
    URI objectURI = EcoreUtil.getURI(type);
    if (objectURI.isPlatformResource()) {
        String project = objectURI.segment(1);
        return super.checkUniqueInIndex(type, Iterables.filter(descriptions, it -> {
            URI candidate = it.getEObjectURI();
            return candidate.isPlatformResource() && !!projectHelper.isStandaloneFileURI(type, candidate)
                    && Objects.equals(candidate.segment(1), project);
        }));// w  w w  . ja va 2 s  .c o  m
    }
    return true;
}

From source file:com.lithium.flow.config.parsers.SubtractConfigParser.java

@Override
public boolean parseLine(@Nonnull String line, @Nonnull ConfigBuilder builder) {
    checkNotNull(line);/*from   w  ww.  jav a2  s  . c o  m*/
    checkNotNull(builder);

    int index = line.indexOf("-=");
    if (index > -1 && index < line.indexOf("=")) {
        String key = line.substring(0, index).trim();
        final String value = line.substring(index + 2).trim();
        String oldValue = builder.getString(key);
        if (oldValue != null) {
            builder.setString(key, Joiner.on(" ")
                    .join(Iterables.filter(Splitter.on(" ").split(oldValue), input -> !value.equals(input))));
            return true;
        }
    }
    return false;
}

From source file:org.jclouds.openstack.nova.ec2.xml.NovaDescribeImagesResponseHandler.java

public Set<Image> getResult() {
    return ImmutableSet.copyOf(Iterables.filter(contents, new Predicate<Image>() {
        @Override// www . j  a  v a2 s.  c  o  m
        public boolean apply(Image image) {
            return image.getImageType() == ImageType.MACHINE;
        }
    }));
}

From source file:org.jclouds.cloudsigma.functions.SplitNewlinesAndReturnSecondField.java

@Override
public Set<String> apply(HttpResponse response) {
    return ImmutableSet
            .copyOf(Iterables.filter(Iterables.transform(super.apply(response), new Function<String, String>() {

                @Override/*from  w w w  .j a va 2 s .  c  om*/
                public String apply(String arg0) {
                    if (arg0 == null)
                        return null;
                    Iterable<String> parts = Splitter.on(' ').split(arg0);
                    if (Iterables.size(parts) == 2)
                        return Iterables.get(parts, 1);
                    else if (Iterables.size(parts) == 1)
                        return Iterables.get(parts, 0);
                    return null;
                }

            }), Predicates.notNull()));
}

From source file:com.facebook.presto.execution.SampledSplitSource.java

@Override
public List<Split> getNextBatch(int maxSize) throws InterruptedException {
    List<Split> nextBatch = splitSource.getNextBatch(maxSize);
    Iterable<Split> sampleIterable = Iterables.filter(nextBatch, new Predicate<Split>() {
        public boolean apply(@Nullable Split input) {
            return ThreadLocalRandom.current().nextDouble() < sampleRatio;
        }/*from w w w . j a  va2 s. c o  m*/
    });
    return ImmutableList.copyOf(sampleIterable);
}

From source file:org.eclipse.sirius.business.internal.contribution.ReuseHelper.java

/**
 * Tests whether an object contains any contribution which use elements from
 * another as source and contribute to the target (or any of its children).
 * //from w  w w.  java2  s  . co m
 * @param target
 *            the reuse target.
 * @param potentialSource
 *            the potential source of reuse.
 * @return <code>true</code> if the target contains any contribution which
 *         get values from the source (or any of its descendant) and put
 *         them in the target (or any of its descendants).
 */
public boolean reuses(final EObject target, final EObject potentialSource) {
    return Iterables.any(Iterables.filter(AllContents.of(target, true), Contribution.class),
            new Predicate<Contribution>() {
                public boolean apply(Contribution input) {
                    if (input.getSource() instanceof DirectEObjectReference
                            && input.getTarget() instanceof DirectEObjectReference) {
                        EObject sourceValue = ((DirectEObjectReference) input.getSource()).getValue();
                        EObject targetValue = ((DirectEObjectReference) input.getTarget()).getValue();
                        boolean fromSource = sourceValue == potentialSource
                                || EcoreUtil.isAncestor(potentialSource, sourceValue);
                        boolean toTarget = targetValue == target || EcoreUtil.isAncestor(target, targetValue);
                        return fromSource && toTarget;
                    } else {
                        return false;
                    }
                }
            });
}

From source file:com.seyren.core.service.live.MetricsTask.java

@Override
public void run() {
    final List<Check> checks = checksStore.getChecks(true, true).getValues();
    for (final Check check : checks) {
        Iterator<Metric> metricByName = Iterables.filter(metrics, new FindByName(check.getName())).iterator();
        if (metricByName.hasNext()) {
            Metric found = metricByName.next();
            CheckRunner runner = checkRunnerFactory.create(check, found.getValue());
            runner.run();/*from w  w  w . j  a  v  a2  s  .  c o  m*/
        }
    }
}

From source file:org.jclouds.vcloud.functions.OrgsForNames.java

@Override
public Iterable<Org> apply(Iterable<String> from) {
    return Iterables.filter(transform(from, new Function<String, Org>() {
        public Org apply(String from) {
            return aclient.getOrgApi().findOrgNamed(from);
        }//from   w ww.j a v a 2  s  .  co m
    }), Predicates.notNull());
}

From source file:org.fuusio.api.nfc.SmartPosterRecord.java

public static SmartPosterRecord parse(final NdefRecord[] recordsRaw) {
    try {//from  ww w.j  av a2 s  . c o  m
        final Iterable<ParsedNdefRecord> records = getRecords(recordsRaw);
        final UriRecord uri = Iterables.getOnlyElement(Iterables.filter(records, UriRecord.class));
        final TextRecord title = getFirstIfExists(records, TextRecord.class);
        final RecommendedAction action = parseRecommendedAction(recordsRaw);
        final String type = parseType(recordsRaw);
        return new SmartPosterRecord(uri, title, action, type);
    } catch (final NoSuchElementException e) {
        throw new IllegalArgumentException(e);
    }
}