Example usage for com.google.common.collect Maps newConcurrentMap

List of usage examples for com.google.common.collect Maps newConcurrentMap

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Introduction

In this page you can find the example usage for com.google.common.collect Maps newConcurrentMap.

Prototype

public static <K, V> ConcurrentMap<K, V> newConcurrentMap()

Source Link

Document

Returns a general-purpose instance of ConcurrentMap , which supports all optional operations of the ConcurrentMap interface.

Usage

From source file:org.lanternpowered.server.inject.impl.SimpleModule.java

@SuppressWarnings({ "unchecked", "rawtypes" })
public SimpleModule(List<Binding<?>> bindings, Map<Class<?>, Supplier<?>> suppliers,
        List<MethodSpec<?>> methodBindings) {
    Map<Class<?>, List<Binding<?>>> map = Maps.newConcurrentMap();
    for (Binding<?> binding : bindings) {
        map.computeIfAbsent(binding.getParameterSpec().getType(), type -> Lists.newCopyOnWriteArrayList())
                .add(binding);/*from ww w.j  a  v a2 s  . c o  m*/
    }
    this.methodBindings = ImmutableList.copyOf(methodBindings);
    this.bindings = (Map) ImmutableMap.copyOf(Maps.transformValues(map, ImmutableList::copyOf));
    this.suppliers = ImmutableMap.copyOf(suppliers);
}

From source file:org.onosproject.mapping.impl.SimpleMappingStore.java

/**
 * Obtains the mapping store for specified device and store type.
 *
 * @param type     mapping store type//from w w  w .j a  va  2s .  c  o  m
 * @param deviceId device identifier
 * @return Map representing Mapping Store of given device and store type
 */
private ConcurrentMap<MappingId, List<StoredMappingEntry>> getMappingStoreByDeviceId(Type type,
        DeviceId deviceId) {
    switch (type) {
    case MAP_DATABASE:
        return mapDbStore.computeIfAbsent(deviceId, k -> Maps.newConcurrentMap());
    case MAP_CACHE:
        return mapCacheStore.computeIfAbsent(deviceId, k -> Maps.newConcurrentMap());
    default:
        log.error(UNRECOGNIZED_STORE_MSG, type);
        return null;
    }
}

From source file:com.arpnetworking.tsdcore.tailer.FilePositionStore.java

private FilePositionStore(final Builder builder) {
    _file = builder._file;/*  w  w  w  . ja  va  2  s . com*/
    _flushInterval = builder._flushInterval;
    _flushThreshold = builder._flushThreshold.longValue();
    _retention = builder._retention;

    ConcurrentMap<String, Descriptor> state = Maps.newConcurrentMap();
    try {
        state = OBJECT_MAPPER.readValue(_file, STATE_MAP_TYPE_REFERENCE);
    } catch (final IOException e) {
        LOGGER.warn(String.format("Unable to load state; file=%s", _file), e);
    }
    _state = state;
}

From source file:org.apache.giraph.comm.messages.DiskBackedOnlineComputeMessageStoreByPartition.java

/**
 * @param service//from  ww  w  . j a va 2s.c  o m
 *            Service worker
 * @param maxSizeOfMessagesInMemory
 *            Number of messages to keep in memory
 * @param fileStoreFactory
 *            Factory for creating file stores when flushing
 */
public DiskBackedOnlineComputeMessageStoreByPartition(CentralizedServiceWorker<I, V, E, M> service,
        int maxSizeOfMessagesInMemory,
        MessageStoreFactory<I, M, FlushableMessageStore<I, M>> fileStoreFactory) {
    this.service = service;
    this.maxSizeOfMessagesInMemory = maxSizeOfMessagesInMemory;
    this.fileStoreFactory = fileStoreFactory;
    partitionMessageStores = Maps.newConcurrentMap();
    conf = ((BspServiceWorker) service).getConfiguration();
    useOnlineCompute = conf.useHotPartition();
}

From source file:kr.ac.postech.lispconfig.LispConfigManager.java

@Activate
protected void activate(ComponentContext context) {
    this.context = context;

    mapResolverMap = Maps.newConcurrentMap();
    eidDbMap = Maps.newConcurrentMap();//w ww. ja  v a2  s . co m
    log.info("Started");
}

From source file:com.android.ide.common.blame.MergingLogPersistUtil.java

@NonNull
static Map<SourceFile, Map<SourcePosition, SourceFilePosition>> loadFromMultiFile(@NonNull File folder,
        @NonNull String shard) {//from w  w w  .j  a  va2s.co m
    Map<SourceFile, Map<SourcePosition, SourceFilePosition>> map = Maps.newConcurrentMap();
    JsonReader reader;
    File file = getMultiFile(folder, shard);
    if (!file.exists()) {
        return map;
    }
    try {
        reader = new JsonReader(Files.newReader(file, Charsets.UTF_8));
    } catch (FileNotFoundException e) {
        // Shouldn't happen unless it disappears under us.
        return map;
    }
    try {
        reader.beginArray();
        while (reader.peek() != JsonToken.END_ARRAY) {
            reader.beginObject();
            SourceFile toFile = SourceFile.UNKNOWN;
            Map<SourcePosition, SourceFilePosition> innerMap = Maps.newLinkedHashMap();
            while (reader.peek() != JsonToken.END_OBJECT) {
                final String name = reader.nextName();
                if (name.equals(KEY_OUTPUT_FILE)) {
                    toFile = mSourceFileJsonTypeAdapter.read(reader);
                } else if (name.equals(KEY_MAP)) {
                    reader.beginArray();
                    while (reader.peek() != JsonToken.END_ARRAY) {
                        reader.beginObject();
                        SourceFilePosition from = null;
                        SourcePosition to = null;
                        while (reader.peek() != JsonToken.END_OBJECT) {
                            final String innerName = reader.nextName();
                            if (innerName.equals(KEY_FROM)) {
                                from = mSourceFilePositionJsonTypeAdapter.read(reader);
                            } else if (innerName.equals(KEY_TO)) {
                                to = mSourcePositionJsonTypeAdapter.read(reader);
                            } else {
                                throw new IOException(String.format("Unexpected property: %s", innerName));
                            }
                        }
                        if (from == null || to == null) {
                            throw new IOException("Each record must contain both from and to.");
                        }
                        innerMap.put(to, from);
                        reader.endObject();
                    }
                    reader.endArray();
                } else {
                    throw new IOException(String.format("Unexpected property: %s", name));
                }
            }
            map.put(toFile, innerMap);
            reader.endObject();
        }
        reader.endArray();
        return map;
    } catch (IOException e) {
        // TODO: trigger a non-incremental merge if this happens.
        throw new RuntimeException(e);
    } finally {
        try {
            reader.close();
        } catch (Throwable e2) {
            // well, we tried.
        }
    }
}

From source file:org.zanata.security.oauth.SecurityTokens.java

String getAuthorizationCode(String username, String clientId) throws OAuthSystemException {
    Map<String, String> clientIdToAuthCode = authorizationCodesByUsername.getIfPresent(username);
    if (clientIdToAuthCode != null && clientIdToAuthCode.containsKey(clientId)) {
        return clientIdToAuthCode.get(clientId);
    }// w w  w .  jav  a2  s.  c  o m
    String authorizationCode = oAuthIssuer.authorizationCode();
    try {
        authorizationCodesByUsername.get(username, () -> {
            ConcurrentMap<String, String> map = Maps.newConcurrentMap();
            map.put(clientId, authorizationCode);
            return map;
        });
    } catch (ExecutionException e) {
        throw new RuntimeException(e);
    }
    return authorizationCode;
}

From source file:org.onosproject.incubator.net.virtual.impl.provider.DefaultVirtualPacketProvider.java

@Activate
public void activate() {
    appId = coreService.registerApplication("org.onosproject.virtual.virtual-packet");
    providerRegistryService.registerProvider(this);

    contextMap = Maps.newConcurrentMap();

    log.info("Started");
}

From source file:gobblin.service.modules.flow.IdentityFlowToJobSpecCompiler.java

public IdentityFlowToJobSpecCompiler(Config config, Optional<Logger> log, boolean instrumentationEnabled) {
    this.log = log.isPresent() ? log.get() : LoggerFactory.getLogger(getClass());
    if (instrumentationEnabled) {
        this.metricContext = Instrumented.getMetricContext(ConfigUtils.configToState(config),
                IdentityFlowToJobSpecCompiler.class);
        this.flowCompilationSuccessFulMeter = Optional
                .of(this.metricContext.meter(ServiceMetricNames.FLOW_COMPILATION_SUCCESSFUL_METER));
        this.flowCompilationFailedMeter = Optional
                .of(this.metricContext.meter(ServiceMetricNames.FLOW_COMPILATION_FAILED_METER));
        this.flowCompilationTimer = Optional
                .<Timer>of(this.metricContext.timer(ServiceMetricNames.FLOW_COMPILATION_TIMER));
    } else {/*from   w w w  . j a  v  a  2 s  .co m*/
        this.metricContext = null;
        this.flowCompilationSuccessFulMeter = Optional.absent();
        this.flowCompilationFailedMeter = Optional.absent();
        this.flowCompilationTimer = Optional.absent();
    }

    this.topologySpecMap = Maps.newConcurrentMap();
    this.config = config;
    /***
     * For multi-tenancy, the following needs to be added:
     * 1. Change singular templateCatalog to Map<URI, JobCatalogWithTemplates> to support multiple templateCatalogs
     * 2. Pick templateCatalog from JobCatalogWithTemplates based on URI, and try to resolve JobSpec using that
     */
    try {
        if (this.config.hasPath(ServiceConfigKeys.TEMPLATE_CATALOGS_FULLY_QUALIFIED_PATH_KEY)
                && StringUtils.isNotBlank(
                        this.config.getString(ServiceConfigKeys.TEMPLATE_CATALOGS_FULLY_QUALIFIED_PATH_KEY))) {
            Config templateCatalogCfg = config.withValue(ConfigurationKeys.JOB_CONFIG_FILE_GENERAL_PATH_KEY,
                    this.config.getValue(ServiceConfigKeys.TEMPLATE_CATALOGS_FULLY_QUALIFIED_PATH_KEY));
            this.templateCatalog = Optional.of(new FSJobCatalog(templateCatalogCfg));
        } else {
            this.templateCatalog = Optional.absent();
        }
    } catch (IOException e) {
        throw new RuntimeException("Could not initialize IdentityFlowToJobSpecCompiler because of "
                + "TemplateCatalog initialization failure", e);
    }
}

From source file:com.pinterest.terrapin.client.FileSetViewManager.java

FileSetViewManager(String clusterName) {
    this.clusterName = clusterName;
    this.fileSetInfoBackupMap = Maps.newConcurrentMap();
    this.zkBackedFileSetInfoMap = Maps.newHashMap();
    this.zkBackedViewInfoMap = Maps.newHashMap();
}