Java Multimaps类代码示例

import com.google.common.collect.Multimaps; //导入依赖的package包/类
LongPositions(Iterable<? extends Object> elements, final int bitPerLong) {
  this.elements = ImmutableList.copyOf(elements);
  checkArgument(bitPerLong <= BITS_IN_LONG, bitPerLong);

  for (int i = 0; i < this.elements.size(); i++) {
    positions.put(
        this.elements.get(i),
        new BitPosition(
            i / bitPerLong,
            i % bitPerLong));
  }

  this.longPositions = ImmutableSortedMap.copyOf(
      Maps.transformEntries(
          Multimaps.index(positions.values(), ToLongIndex.FUNCTION).asMap(),
          new Maps.EntryTransformer<Integer, Collection<BitPosition>, LongSet>() {
            @Override
            public LongSet transformEntry(Integer key, Collection<BitPosition> position) {
              return new LongSet(key, position);
            }
          }));
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
public void runTasks() {
    Multimaps.asMap(ImmutableListMultimap.copyOf(taskQueue)).values().forEach(tasks -> {
        int size = tasks.size();
        while (size > 0) {
            int last = size - 1;
            Task<?> current = tasks.get(last);
            if (current.done()) {
                taskQueue.get(current.getClass()).remove(last);
                size--;
                continue;
            }
            current.tick();
            return;
        }
    });
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
private static Multimap<String, SecurityIndex> runImpactAnalysis(Network network, Set<String> contingencyIds,
                                                                 ComputationManager computationManager, SimulatorFactory simulatorFactory,
                                                                 ContingenciesProvider contingenciesProvider,
                                                                 PrintStream out) throws Exception {
    Stabilization stabilization = simulatorFactory.createStabilization(network, computationManager, 0);
    ImpactAnalysis impactAnalysis = simulatorFactory.createImpactAnalysis(network, computationManager, 0, contingenciesProvider);
    Map<String, Object> initContext = new HashMap<>();
    SimulationParameters simulationParameters = SimulationParameters.load();
    stabilization.init(simulationParameters, initContext);
    impactAnalysis.init(simulationParameters, initContext);
    out.println("running stabilization simulation...");
    StabilizationResult sr = stabilization.run();
    out.println("stabilization status: " + sr.getStatus());
    out.println("stabilization metrics: " + sr.getMetrics());
    if (sr.getStatus() == StabilizationStatus.COMPLETED) {
        out.println("running impact analysis...");
        ImpactAnalysisResult iar = impactAnalysis.run(sr.getState(), contingencyIds);
        out.println("impact analysis metrics: " + iar.getMetrics());

        return Multimaps.index(iar.getSecurityIndexes(), securityIndex -> securityIndex.getId().getContingencyId());

    }
    return null;
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
public final CorpusQueryAssessments filterForAssessment(final Set<QueryAssessment2016> assessment2016) {
  final ImmutableSet.Builder<QueryResponse2016> matchingQueriesB = ImmutableSet.builder();
  for (final QueryResponse2016 queryResponse2016 : assessments().keySet()) {
    if (assessment2016.contains(assessments().get(queryResponse2016))) {
      matchingQueriesB.add(queryResponse2016);
    }
  }
  final ImmutableSet<QueryResponse2016> matchingQueries = matchingQueriesB.build();
  final CorpusQueryAssessments.Builder ret = CorpusQueryAssessments.builder();
  ret.queryReponses(matchingQueries);
  ret.putAllQueryResponsesToSystemIDs(
      Multimaps.filterKeys(queryResponsesToSystemIDs(), in(matchingQueries)));
  ret.putAllMetadata(Maps.filterKeys(metadata(), in(matchingQueries)));
  ret.putAllAssessments(Maps.filterKeys(assessments(), in(matchingQueries)));
  return ret.build();
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
private ResponseLinking linkResponses(final Symbol docId,
    final Iterable<Response> responses) {
  final Predicate<Response> HasRelevantRealis =
      compose(in(realisesWhichMustBeAligned), ResponseFunctions.realis());
  final ImmutableSet<Response> systemResponsesAlignedRealis =
      FluentIterable.from(responses).filter(HasRelevantRealis).toSet();

  final Multimap<Symbol, Response> responsesByEventType =
      Multimaps.index(systemResponsesAlignedRealis, ResponseFunctions.type());

  final ImmutableSet.Builder<ResponseSet> ret = ImmutableSet.builder();

  for (final Collection<Response> responseSet : responsesByEventType.asMap().values()) {
    ret.add(ResponseSet.from(responseSet));
  }

  return ResponseLinking.builder().docID(docId).addAllResponseSets(ret.build()).build();
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
/**
 * Assigns all fields an id if possible.  Fields are grouped by name and for each group, if there
 * is a single id, all fields in the group are assigned this id.  If the group has multiple ids,
 * an error is reported.
 */
protected final Set<String> inferThriftFieldIds()
{
    Set<String> fieldsWithConflictingIds = new HashSet<>();

    // group fields by explicit name or by name extracted from field, method or property
    Multimap<String, FieldMetadata> fieldsByExplicitOrExtractedName = Multimaps.index(fields, FieldMetadata::getOrExtractThriftFieldName);
    inferThriftFieldIds(fieldsByExplicitOrExtractedName, fieldsWithConflictingIds);

    // group fields by name extracted from field, method or property
    // this allows thrift name to be set explicitly without having to duplicate the name on getters and setters
    // todo should this be the only way this works?
    Multimap<String, FieldMetadata> fieldsByExtractedName = Multimaps.index(fields, FieldMetadata::extractName);
    inferThriftFieldIds(fieldsByExtractedName, fieldsWithConflictingIds);

    return fieldsWithConflictingIds;
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
private String computeToString() {
  StringBuilder builder = new StringBuilder().append(type).append('/').append(subtype);
  if (!parameters.isEmpty()) {
    builder.append("; ");
    Multimap<String, String> quotedParameters =
        Multimaps.transformValues(
            parameters,
            new Function<String, String>() {
              @Override
              public String apply(String value) {
                return TOKEN_MATCHER.matchesAllOf(value) ? value : escapeAndQuote(value);
              }
            });
    PARAMETER_JOINER.appendTo(builder, quotedParameters.entries());
  }
  return builder.toString();
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
private SetMultimap<String, IntegrationSessionExtension> getExtensionMap()
{
	if( extensionMap == null )
	{
		synchronized( this )
		{
			if( extensionMap == null )
			{
				final SetMultimap<String, IntegrationSessionExtension> map = HashMultimap
					.<String, IntegrationSessionExtension>create();
				for( Extension ext : resultsTracker.getExtensions() )
				{
					final IntegrationSessionExtension integExtension = resultsTracker.getBeanByExtension(ext);
					for( Parameter parameter : ext.getParameters("type") )
					{
						map.put(parameter.valueAsString(), integExtension);
					}
				}
				extensionMap = Multimaps.unmodifiableSetMultimap(map);
			}
		}
	}
	return extensionMap;
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
@Activate
public void activate() {
    ribTable4 = new ConcurrentInvertedRadixTree<>(
            new DefaultByteArrayNodeFactory());
    ribTable6 = new ConcurrentInvertedRadixTree<>(
            new DefaultByteArrayNodeFactory());

    routesWaitingOnArp = Multimaps.synchronizedSetMultimap(
            HashMultimap.create());

    coreService.registerApplication(ROUTER_APP_ID);

    bgpUpdatesExecutor = Executors.newSingleThreadExecutor(
            new ThreadFactoryBuilder()
            .setNameFormat("rib-updates-%d").build());
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
/**
 * Constructor.
 */
public RemoteConfigLongPollService() {
  m_longPollFailSchedulePolicyInSecond = new ExponentialSchedulePolicy(1, 120); //in second
  m_longPollingStopped = new AtomicBoolean(false);
  m_longPollingService = Executors.newSingleThreadExecutor(
      ApolloThreadFactory.create("RemoteConfigLongPollService", true));
  m_longPollStarted = new AtomicBoolean(false);
  m_longPollNamespaces =
      Multimaps.synchronizedSetMultimap(HashMultimap.<String, RemoteConfigRepository>create());
  m_notifications = Maps.newConcurrentMap();
  m_remoteNotificationMessages = Maps.newConcurrentMap();
  m_responseType = new TypeToken<List<ApolloConfigNotification>>() {
  }.getType();
  gson = new Gson();
  m_configUtil = ApolloInjector.getInstance(ConfigUtil.class);
  m_httpUtil = ApolloInjector.getInstance(HttpUtil.class);
  m_serviceLocator = ApolloInjector.getInstance(ConfigServiceLocator.class);
  m_longPollRateLimiter = RateLimiter.create(m_configUtil.getLongPollQPS());
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
@Override
public synchronized <T extends DOMNotificationListener> ListenerRegistration<T> registerNotificationListener(final T listener, final Collection<SchemaPath> types) {
    final ListenerRegistration<T> reg = new AbstractListenerRegistration<T>(listener) {
        @Override
        protected void removeRegistration() {
            final ListenerRegistration<T> me = this;

            synchronized (DOMNotificationRouter.this) {
                replaceListeners(ImmutableMultimap.copyOf(Multimaps.filterValues(listeners, input -> input != me)));
            }
        }
    };

    if (!types.isEmpty()) {
        final Builder<SchemaPath, ListenerRegistration<? extends DOMNotificationListener>> b = ImmutableMultimap.builder();
        b.putAll(listeners);

        for (final SchemaPath t : types) {
            b.put(t, reg);
        }

        replaceListeners(b.build());
    }

    return reg;
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
@GET
@Produces(MediaType.APPLICATION_JSON)
public Response getHosts() {
  return storage.read(storeProvider -> {
    Multimap<MaintenanceMode, String> hostsByMode =
        Multimaps.transformValues(
          Multimaps.index(
              storeProvider.getAttributeStore().getHostAttributes(),
              IHostAttributes::getMode),
            IHostAttributes::getHost);

    Map<MaintenanceMode, Object> hosts = ImmutableMap.of(
        DRAINED, ImmutableSet.copyOf(hostsByMode.get(DRAINED)),
        SCHEDULED, ImmutableSet.copyOf(hostsByMode.get(SCHEDULED)),
        DRAINING, getTasksByHosts(storeProvider, hostsByMode.get(DRAINING)).asMap());
    return Response.ok(hosts).build();
  });
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
private static Set<InstanceTaskConfig> buildInitialState(Map<Integer, ITaskConfig> tasks) {
  // Translate tasks into instance IDs.
  Multimap<ITaskConfig, Integer> instancesByConfig = HashMultimap.create();
  Multimaps.invertFrom(Multimaps.forMap(tasks), instancesByConfig);

  // Reduce instance IDs into contiguous ranges.
  Map<ITaskConfig, Set<Range<Integer>>> rangesByConfig =
      Maps.transformValues(instancesByConfig.asMap(), Numbers::toRanges);

  ImmutableSet.Builder<InstanceTaskConfig> builder = ImmutableSet.builder();
  for (Map.Entry<ITaskConfig, Set<Range<Integer>>> entry : rangesByConfig.entrySet()) {
    builder.add(new InstanceTaskConfig()
        .setTask(entry.getKey().newBuilder())
        .setInstances(IRange.toBuildersSet(convertRanges(entry.getValue()))));
  }

  return builder.build();
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
@Override
public Response getRoleSummary() {
  Multimap<String, IJobKey> jobsByRole = storage.read(
      storeProvider ->
          Multimaps.index(storeProvider.getTaskStore().getJobKeys(), IJobKey::getRole));

  Multimap<String, IJobKey> cronJobsByRole = Multimaps.index(
      Iterables.transform(Storage.Util.fetchCronJobs(storage), IJobConfiguration::getKey),
      IJobKey::getRole);

  Set<RoleSummary> summaries = FluentIterable.from(
      Sets.union(jobsByRole.keySet(), cronJobsByRole.keySet()))
      .transform(role -> new RoleSummary(
          role,
          jobsByRole.get(role).size(),
          cronJobsByRole.get(role).size()))
      .toSet();

  return ok(Result.roleSummaryResult(new RoleSummaryResult(summaries)));
}
 

import com.google.common.collect.Multimaps; //导入依赖的package包/类
@NotNull
private static List<EnrichedStructuralVariant> enrichStructuralVariants(@NotNull List<StructuralVariant> variants,
        @NotNull DatabaseAccess dbAccess, @NotNull String tumorSample) {
    final PurityContext purityContext = dbAccess.readPurityContext(tumorSample);

    if (purityContext == null) {
        LOGGER.warn("Unable to retrieve purple data. Enrichment may be incomplete.");
    }

    final PurityAdjuster purityAdjuster = purityContext == null
            ? new PurityAdjuster(Gender.FEMALE, 1, 1)
            : new PurityAdjuster(purityContext.gender(), purityContext.bestFit().purity(), purityContext.bestFit().normFactor());

    final List<PurpleCopyNumber> copyNumberList = dbAccess.readCopynumbers(tumorSample);
    final Multimap<String, PurpleCopyNumber> copyNumbers = Multimaps.index(copyNumberList, PurpleCopyNumber::chromosome);
    return EnrichedStructuralVariantFactory.enrich(variants, purityAdjuster, copyNumbers);
}