コード例 #1
0
  @Override
  public void close() {
    for (R2Store store : this.rawStoreList) {
      store.close();
    }
    // shutdown the transportclient in the case when no r2store is created
    if (this.transportClient != null) {
      final FutureCallback<None> clientShutdownCallback = new FutureCallback<None>();
      this.transportClient.shutdown(clientShutdownCallback);
      try {
        clientShutdownCallback.get();
      } catch (InterruptedException e) {
        logger.error("Interrupted while shutting down the TransportClient: " + e.getMessage(), e);
      } catch (ExecutionException e) {
        logger.error(
            "Execution exception occurred while shutting down the TransportClient: "
                + e.getMessage(),
            e);
      }
    }

    final FutureCallback<None> factoryShutdownCallback = new FutureCallback<None>();
    this._clientFactory.shutdown(factoryShutdownCallback);
    try {
      factoryShutdownCallback.get();
    } catch (InterruptedException e) {
      logger.error("Interrupted while shutting down the HttpClientFactory: " + e.getMessage(), e);
    } catch (ExecutionException e) {
      logger.error(
          "Execution exception occurred while shutting down the HttpClientFactory: "
              + e.getMessage(),
          e);
    }
  }
コード例 #2
0
  @Override
  public <K, V, T> Store<K, V, T> getRawStore(
      String storeName, InconsistencyResolver<Versioned<V>> resolver) {

    Store<K, V, T> clientStore = null;

    // The lowest layer : Transporting request to coordinator
    R2Store r2store = null;
    this.d2Client = restClientFactoryConfig.getD2Client();
    if (this.d2Client == null) {
      r2store =
          new R2Store(
              storeName, this.config.getHttpBootstrapURL(), this.transportClient, this.config);
    } else {
      r2store =
          new R2Store(storeName, this.config.getHttpBootstrapURL(), this.d2Client, this.config);
    }

    this.rawStoreList.add(r2store);

    // bootstrap from the coordinator and obtain all the serialization
    // information.
    String serializerInfoXml = r2store.getSerializerInfoXml();
    SerializerDefinition keySerializerDefinition =
        RestUtils.parseKeySerializerDefinition(serializerInfoXml);
    SerializerDefinition valueSerializerDefinition =
        RestUtils.parseValueSerializerDefinition(serializerInfoXml);

    synchronized (this) {
      keySerializerMap.put(storeName, keySerializerDefinition);
      valueSerializerMap.put(storeName, valueSerializerDefinition);
    }

    if (logger.isDebugEnabled()) {
      logger.debug(
          "Bootstrapping for " + storeName + ": Key serializer " + keySerializerDefinition);
      logger.debug(
          "Bootstrapping for " + storeName + ": Value serializer " + valueSerializerDefinition);
    }

    // Start building the stack..
    // First, the transport layer
    Store<ByteArray, byte[], byte[]> store = r2store;

    // TODO: Add jmxId / some unique identifier to the Mbean name
    if (this.config.isEnableJmx()) {
      StatTrackingStore statStore = new StatTrackingStore(store, this.stats);
      store = statStore;
      JmxUtils.registerMbean(
          new StoreStatsJmx(statStore.getStats()),
          JmxUtils.createObjectName(JmxUtils.getPackageName(store.getClass()), store.getName()));
    }

    // Add compression layer
    if (keySerializerDefinition.hasCompression() || valueSerializerDefinition.hasCompression()) {
      store =
          new CompressingStore(
              store,
              new CompressionStrategyFactory().get(keySerializerDefinition.getCompression()),
              new CompressionStrategyFactory().get(valueSerializerDefinition.getCompression()));
    }

    // Add Serialization layer
    Serializer<K> keySerializer =
        (Serializer<K>) serializerFactory.getSerializer(keySerializerDefinition);
    Serializer<V> valueSerializer =
        (Serializer<V>) serializerFactory.getSerializer(valueSerializerDefinition);
    clientStore = SerializingStore.wrap(store, keySerializer, valueSerializer, null);

    // Add inconsistency Resolving layer
    InconsistencyResolver<Versioned<V>> secondaryResolver =
        resolver == null ? new TimeBasedInconsistencyResolver<V>() : resolver;
    clientStore =
        new InconsistencyResolvingStore<K, V, T>(
            clientStore,
            new ChainedResolver<Versioned<V>>(
                new VectorClockInconsistencyResolver<V>(), secondaryResolver));
    return clientStore;
  }