Example usage for com.google.common.collect SetMultimap asMap

Introduction

In this page you can find the example usage for com.google.common.collect SetMultimap asMap.

Prototype

@Override
Map<K, Collection<V>> asMap();

Source Link

Document

Note: The returned map's values are guaranteed to be of type Set .

Usage

From source file:org.sonar.server.notification.NotificationService.java

private static void dispatch(Notification notification, SetMultimap<String, NotificationChannel> recipients) {
    for (Map.Entry<String, Collection<NotificationChannel>> entry : recipients.asMap().entrySet()) {
        String username = entry.getKey();
        Collection<NotificationChannel> userChannels = entry.getValue();
        LOG.debug("For user {} via {}", username, userChannels);
        for (NotificationChannel channel : userChannels) {
            try {
                channel.deliver(notification, username);
            } catch (Exception e) {
                // catch all exceptions in order to deliver via other channels
                LOG.warn("Unable to deliver notification " + notification + " for user " + username + " via "
                        + channel, e);//from  ww  w.j  a  va2  s.c  om
            }
        }
    }
}

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From source file:com.google.caliper.runner.FullCartesianExperimentSelector.java

protected static <T> Set<List<T>> cartesian(SetMultimap<String, T> multimap) {
    @SuppressWarnings({ "unchecked", "rawtypes" }) // promised by spec
    ImmutableMap<String, Set<T>> paramsAsMap = (ImmutableMap) multimap.asMap();
    return Sets.cartesianProduct(paramsAsMap.values().asList());
}

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From source file:com.datatorrent.contrib.kafka.KafkaMetadataUtil.java

/**
 * @param brokers in multiple clusters, keyed by cluster id
 * @param topic/*from   w  ww .ja  v a 2  s  .c  om*/
 * @return Get the partition metadata list for the specific topic via the brokers
 * null if topic is not found
 */
public static Map<String, List<PartitionMetadata>> getPartitionsForTopic(SetMultimap<String, String> brokers,
        final String topic) {
    return Maps.transformEntries(brokers.asMap(),
            new EntryTransformer<String, Collection<String>, List<PartitionMetadata>>() {
                @Override
                public List<PartitionMetadata> transformEntry(String key, Collection<String> bs) {
                    return getPartitionsForTopic(new HashSet<String>(bs), topic);
                }
            });
}

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From source file:com.addthis.hydra.query.MeshFileRefCache.java

/**
 * This method filters the file references to ensure that only valid file references are returned.
 * <p/>/*ww w .  jav a  2s.com*/
 * The filter checks for two things.
 * <p/>
 * <ol>
 * <li>the last modified date for each file for the same task should be the same, if not it will take the
 * newest file</li>
 * <li>the size of the files should be equal, if not, take the files with the largest known size</li>
 * </ol>
 *
 * @param fileRefDataSet - the original unfiltered file reference set
 * @return - filtered file reference map containing only valid file references
 */
@Nonnull
protected static SetMultimap<Integer, FileReference> filterFileReferences(
        @Nonnull SetMultimap<Integer, FileReference> fileRefDataSet) {
    if (fileRefDataSet.isEmpty()) {
        return fileRefDataSet;
    }
    int baseKeySetSize = fileRefDataSet.keySet().size();
    SetMultimap<Integer, FileReference> filteredFileReferenceSet = HashMultimap.create(baseKeySetSize,
            fileRefDataSet.size() / baseKeySetSize);
    for (Map.Entry<Integer, Collection<FileReference>> entry : fileRefDataSet.asMap().entrySet()) {
        int key = entry.getKey();
        final Collection<FileReference> fileReferences = entry.getValue();
        long mostRecentTime = -1;

        for (FileReference fileReference : fileReferences) {
            if ((mostRecentTime < 0) || (fileReference.lastModified > mostRecentTime)) {
                mostRecentTime = fileReference.lastModified;
            }
        }

        final long mostRecentTimeF = mostRecentTime;
        Predicate<FileReference> isMostRecent = input -> (input != null)
                && (input.lastModified == mostRecentTimeF);

        Collection<FileReference> filteredFileReferences = Collections2.filter(fileReferences, isMostRecent);
        filteredFileReferenceSet.putAll(key, filteredFileReferences);
    }
    return filteredFileReferenceSet;
}

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From source file:omero.cmd.graphs.GraphUtil.java

/**
 * Make a copy of a multimap with the full class names in the keys replaced by the simple class names
 * and the ordering of the values preserved.
 * @param entriesByFullName a multimap//from w ww  .j av a  2  s  .c o m
 * @return a new multimap with the same contents, except for the package name having been trimmed off each key
 */
static <X> SetMultimap<String, X> trimPackageNames(SetMultimap<String, X> entriesByFullName) {
    final SetMultimap<String, X> entriesBySimpleName = LinkedHashMultimap.create();
    for (final Map.Entry<String, Collection<X>> entriesForOneClass : entriesByFullName.asMap().entrySet()) {
        final String fullClassName = entriesForOneClass.getKey();
        final String simpleClassName = fullClassName.substring(fullClassName.lastIndexOf('.') + 1);
        final Collection<X> values = entriesForOneClass.getValue();
        entriesBySimpleName.putAll(simpleClassName, values);
    }
    return entriesBySimpleName;
}

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From source file:omero.cmd.graphs.GraphUtil.java

/**
 * Rearrange the deletion targets such that original files are listed before their containing directories.
 * @param session the Hibernate session/* w ww  . j  av  a2 s  . c om*/
 * @param targetObjects the objects that are to be deleted
 * @return the given target objects with any original files suitably ordered for deletion
 */
static SetMultimap<String, Long> arrangeDeletionTargets(Session session,
        SetMultimap<String, Long> targetObjects) {
    if (targetObjects.get(OriginalFile.class.getName()).size() < 2) {
        /* no need to rearrange anything, as there are not multiple original files */
        return targetObjects;
    }
    final SetMultimap<String, Long> orderedIds = LinkedHashMultimap.create();
    for (final Map.Entry<String, Collection<Long>> targetObjectsByClass : targetObjects.asMap().entrySet()) {
        final String className = targetObjectsByClass.getKey();
        Collection<Long> ids = targetObjectsByClass.getValue();
        if (OriginalFile.class.getName().equals(className)) {
            final Collection<Collection<Long>> sortedIds = ModelObjectSequencer.sortOriginalFileIds(session,
                    ids);
            ids = new ArrayList<Long>(ids.size());
            for (final Collection<Long> idBatch : sortedIds) {
                ids.addAll(idBatch);
            }
        }
        orderedIds.putAll(className, ids);
    }
    return orderedIds;
}

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From source file:co.cask.cdap.etl.common.SetMultimapCodec.java

@Override
public JsonElement serialize(SetMultimap<K, V> src, Type typeOfSrc, JsonSerializationContext context) {
    JsonObject obj = new JsonObject();
    obj.add("map", context.serialize(src.asMap()));
    return obj;//from   w  w  w  .j ava2s .  co m
}

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From source file:org.sonar.server.notifications.NotificationService.java

private void dispatch(Notification notification, SetMultimap<String, NotificationChannel> recipients) {
    for (Map.Entry<String, Collection<NotificationChannel>> entry : recipients.asMap().entrySet()) {
        String username = entry.getKey();
        Collection<NotificationChannel> userChannels = entry.getValue();
        LOG.debug("For user {} via {}", username, userChannels);
        for (NotificationChannel channel : userChannels) {
            try {
                channel.deliver(notification, username);
            } catch (Exception e) {
                // catch all exceptions in order to deliver via other channels
                LOG.warn("Unable to deliver notification " + notification + " for user " + username + " via "
                        + channel, e);//from  www  .j av  a 2s .c o m
            }
        }
    }
}

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From source file:com.google.devtools.build.xcode.xcodegen.PBXBuildFiles.java

/**
 * Returns new or cached instances of PBXBuildFiles corresponding to files that may or may not
 * belong to an aggregate reference (see {@link AggregateReferenceType}). Files specified by the
 * {@code paths} argument are grouped into individual PBXBuildFiles using the given
 * {@link AggregateReferenceType}. Files that are standalone are not put in an aggregate
 * reference, but are put in a standalone PBXBuildFile in the returned sequence.
 *//*  ww w. ja  v a 2 s.c  om*/
public Iterable<PBXBuildFile> get(AggregateReferenceType type, Iterable<Path> paths) {
    ImmutableList.Builder<PBXBuildFile> result = new ImmutableList.Builder<>();
    SetMultimap<AggregateKey, Path> keyedPaths = type.aggregates(paths);
    for (Map.Entry<AggregateKey, Collection<Path>> aggregation : keyedPaths.asMap().entrySet()) {
        if (!aggregation.getKey().isStandalone()) {
            ImmutableSet<Path> itemPaths = ImmutableSet.copyOf(aggregation.getValue());
            result.add(aggregateBuildFile(itemPaths,
                    type.create(aggregation.getKey(), fileReferences(itemPaths))));
        }
    }
    for (Path generalResource : keyedPaths.get(AggregateKey.standalone())) {
        result.add(getStandalone(FileReference.of(generalResource.toString(), SourceTree.GROUP)));
    }

    return result.build();
}

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From source file:com.addthis.hydra.query.MeshFileRefCache.java

@Nonnull
public Set<FileReference> getTaskReferencesIfPresent(String job, int taskId) {
    SetMultimap<Integer, FileReference> refMap = fileReferenceCache.getIfPresent(job);
    if (refMap != null) {
        return (Set<FileReference>) refMap.asMap().get(taskId);
    }//from  ww w .java2  s . c  o m
    return Collections.emptySet();
}

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