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

Introduction

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

Prototype

public static <T> Iterable<T> limit(final Iterable<T> iterable, final int limitSize)

Source Link

Document

Creates an iterable with the first limitSize elements of the given iterable.

Usage

From source file:org.apache.james.transport.mailets.remote.delivery.DelaysAndMaxRetry.java

private static DelaysAndMaxRetry addExtraAttemptToLastDelay(int intendedMaxRetries, int extra,
        List<Delay> delayTimesList) throws MessagingException {
    if (delayTimesList.size() != 0) {
        Delay lastDelay = delayTimesList.get(delayTimesList.size() - 1);
        LOGGER.warn("Delay of {} msecs is now attempted: {} times", lastDelay.getDelayTimeInMs(),
                lastDelay.getAttempts());
        return new DelaysAndMaxRetry(intendedMaxRetries, ImmutableList.copyOf(Iterables.concat(
                Iterables.limit(delayTimesList, delayTimesList.size() - 1),
                ImmutableList.of(new Delay(lastDelay.getAttempts() + extra, lastDelay.getDelayTimeInMs())))));
    } else {/*  ww w.java 2  s  . co m*/
        throw new MessagingException("No delaytimes, cannot continue");
    }
}

From source file:org.zanata.client.commands.init.TransConfigPrompt.java

public TransConfigPrompt(ConsoleInteractor console, ConfigurableProjectOptions opts, Set<String> srcFiles) {
    this.console = console;
    this.opts = opts;
    this.srcFilesSample = ImmutableSet.copyOf(Iterables.limit(srcFiles, 5));
    remainingFileNumber = srcFiles.size() - srcFilesSample.size();
    pullOptions = new PullOptionsImpl();
    // copy over options
    pullOptions.setUrl(opts.getUrl());/*from ww w  .  j  a  va  2s .  c  o m*/
    pullOptions.setUsername(opts.getUsername());
    pullOptions.setKey(opts.getKey());
    pullOptions.setProj(opts.getProj());
    pullOptions.setProjectVersion(opts.getProjectVersion());
    pullOptions.setProjectType(opts.getProjectType());
    pullOptions.setLocaleMapList(opts.getLocaleMapList());

    transFilePathFinder = makeTransFilePathFinder(pullOptions);
}

From source file:com.facebook.presto.tests.QueryAssertions.java

public static void assertContains(MaterializedResult actual, MaterializedResult expected) {
    for (MaterializedRow row : expected.getMaterializedRows()) {
        if (!actual.getMaterializedRows().contains(row)) {
            fail(format("expected row missing: %s\nActual %s rows:\n    %s\nExpected %s rows:\n    %s\n", row,
                    actual.getMaterializedRows().size(), Joiner.on("\n    ").join(Iterables.limit(actual, 100)),
                    expected.getMaterializedRows().size(),
                    Joiner.on("\n    ").join(Iterables.limit(expected, 100))));
        }//from  w  ww .  j  a  v  a2s .  c  om
    }
}

From source file:com.brighttag.agathon.service.impl.PerDataCenterSeedService.java

/**
 * Return the first {@code numSeeds} seeds from the {@code instancesInDC} collection
 * for the given {@code dataCenter}./*from www  .  jav  a 2s. c om*/
 *
 * @param dataCenter the data center name
 * @param instancesInDC a collection of instances in the data center
 * @return the public DNS names or IP addresses of the first {@code numSeeds} hosts
 */
private Iterable<String> getSeeds(String dataCenter, ImmutableSet<CassandraInstance> instancesInDC) {
    int size = instancesInDC.size();
    if (size < numSeeds) {
        LOG.warn("Too few seeds for data center '{}'. Continuing with {} seeds.", dataCenter, size);
    }

    return Iterables.transform(Iterables.limit(instancesInDC, numSeeds), INSTANCE_TO_SEED);
}

From source file:eu.esdihumboldt.cst.functions.groovy.helper.Category.java

/**
 * Get the parent category.//from w  ww.  ja  v  a2 s. c  o m
 * 
 * @return the parent category
 */
@Nullable
public Category getParent() {
    if (path == null || path.isEmpty()) {
        // no parent
        return null;
    } else if (path.size() == 1) {
        return Category.ROOT;
    } else {
        return new Category(Iterables.limit(path, path.size() - 1));
    }
}

From source file:org.obm.push.bean.change.hierarchy.MailboxPath.java

public Iterable<MailboxPath> reducingPaths() {
    Builder<MailboxPath> paths = ImmutableList.builder();
    List<String> pieces = Splitter.on(separator).omitEmptyStrings().splitToList(path);
    for (int index = pieces.size() - 1; index > 0; index--) {
        String path = Joiner.on(separator).join(Iterables.limit(pieces, index));
        paths.add(MailboxPath.of(path, separator));
    }//from   ww  w .ja  va2  s  . c  om
    return paths.build();
}

From source file:org.apache.streams.data.util.PropertyUtil.java

public static ObjectNode unflattenObjectNode(ObjectNode flatObject, char seperator) {
    ObjectNode root = mapper.createObjectNode();
    Iterator<Map.Entry<String, JsonNode>> iter = flatObject.fields();
    while (iter.hasNext()) {
        Map.Entry<String, JsonNode> item = iter.next();
        String fullKey = item.getKey();
        if (!fullKey.contains(Character.valueOf(seperator).toString())) {
            root.put(item.getKey(), item.getValue());
        } else {//  w w w  . ja  v a  2  s.  c om
            ObjectNode currentNode = root;
            List<String> keyParts = new ArrayList<>();
            Iterables.addAll(keyParts, Splitter.on(seperator).split(item.getKey()));
            for (String part : Iterables.limit(Splitter.on(seperator).split(item.getKey()),
                    keyParts.size() - 1)) {
                if (currentNode.has(part) && currentNode.get(part).isObject()) {
                    currentNode = (ObjectNode) currentNode.get(part);
                } else {
                    ObjectNode newNode = mapper.createObjectNode();
                    currentNode.put(part, newNode);
                    currentNode = newNode;
                }
            }
            currentNode.put(keyParts.get(keyParts.size() - 1), item.getValue());

        }
    }
    return root;
}

From source file:com.palantir.common.collect.IterableView.java

public IterableView<T> limit(int limitSize) {
    return of(Iterables.limit(delegate(), limitSize));
}

From source file:com.google.errorprone.apply.DiffApplier.java

private final void decrementTasks() {
    if (runState.decrementAndGet() == 0) {
        workerService.shutdown();//  ww  w. java2s  .  com
        try {
            destination.flush();
            notifyStopped();
        } catch (Exception e) {
            notifyFailed(e);
        }
        logger.log(Level.INFO, String.format("Completed %d files in %s", completedFiles.get(), stopwatch));
        if (!diffsFailedPaths.isEmpty()) {
            logger.log(Level.SEVERE, String.format("Diffs failed to apply to %d files: %s",
                    diffsFailedPaths.size(), Iterables.limit(diffsFailedPaths, 30)));
        }
    }
}

From source file:org.apache.solr.analytics.facet.SortableFacet.java

/**
 * Apply the sorting options to the given facet results.
 * /* w  ww. j ava  2 s  .co  m*/
 * @param facetResults to apply sorting options to
 * @return the sorted results
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
protected Iterable<FacetBucket> applyOptions(List<FacetBucket> facetResults) {
    // Sorting the buckets if a sort specification is provided
    if (sort == null || facetResults.isEmpty()) {
        return facetResults;
    }
    Comparator comp = sort.getComparator();
    Collections.sort(facetResults, comp);

    Iterable<FacetBucket> facetResultsIter = facetResults;
    // apply the limit
    if (sort.getLimit() > 0) {
        if (sort.getOffset() > 0) {
            facetResultsIter = Iterables.skip(facetResultsIter, sort.getOffset());
        }
        facetResultsIter = Iterables.limit(facetResultsIter, sort.getLimit());
    } else if (sort.getLimit() == 0) {
        return new LinkedList<FacetBucket>();
    }
    return facetResultsIter;
}