/**
   * Query all purchases made at a specific store for 3 specific products. This query uses
   * cross-cache joins between {@link DimStore}, {@link DimProduct} objects stored in {@code
   * 'replicated'} cache and {@link FactPurchase} objects stored in {@code 'partitioned'} cache.
   *
   * @throws IgniteException If failed.
   */
  private static void queryProductPurchases() {
    IgniteCache<Integer, FactPurchase> factCache = Ignition.ignite().cache(PARTITIONED_CACHE_NAME);

    // All purchases for certain product made at store2.
    // =================================================

    DimProduct p1 = rand(dataProduct.values());
    DimProduct p2 = rand(dataProduct.values());
    DimProduct p3 = rand(dataProduct.values());

    System.out.println(
        "IDs of products [p1=" + p1.getId() + ", p2=" + p2.getId() + ", p3=" + p3.getId() + ']');

    // Create cross cache query to get all purchases made at store2
    // for specified products.
    QueryCursor<Cache.Entry<Integer, FactPurchase>> prodPurchases =
        factCache.query(
            new SqlQuery(
                    FactPurchase.class,
                    "from \""
                        + REPLICATED_CACHE_NAME
                        + "\".DimStore, \""
                        + REPLICATED_CACHE_NAME
                        + "\".DimProduct, "
                        + "\""
                        + PARTITIONED_CACHE_NAME
                        + "\".FactPurchase "
                        + "where DimStore.id=FactPurchase.storeId and DimProduct.id=FactPurchase.productId "
                        + "and DimStore.name=? and DimProduct.id in(?, ?, ?)")
                .setArgs("Store2", p1.getId(), p2.getId(), p3.getId()));

    printQueryResults(
        "All purchases made at store2 for 3 specific products:", prodPurchases.getAll());
  }
  /**
   * Populate cache with {@code 'facts'}, which in our case are {@link FactPurchase} objects.
   *
   * @param factCache Cache to populate.
   * @throws IgniteException If failed.
   */
  private static void populateFacts(Cache<Integer, FactPurchase> factCache) throws IgniteException {
    for (int i = 0; i < 100; i++) {
      int id = idGen++;

      DimStore store = rand(dataStore.values());
      DimProduct prod = rand(dataProduct.values());

      factCache.put(id, new FactPurchase(id, prod.getId(), store.getId(), (i + 1)));
    }
  }
示例#3
0
  /**
   * @param springCfgPath Spring configuration file path.
   * @return Grid configuration.
   * @throws Exception If failed.
   */
  protected static IgniteConfiguration loadConfiguration(String springCfgPath) throws Exception {
    URL url;

    try {
      url = new URL(springCfgPath);
    } catch (MalformedURLException e) {
      url = IgniteUtils.resolveIgniteUrl(springCfgPath);

      if (url == null)
        throw new IgniteCheckedException(
            "Spring XML configuration path is invalid: "
                + springCfgPath
                + ". Note that this path should be either absolute or a relative local file system path, "
                + "relative to META-INF in classpath or valid URL to IGNITE_HOME.",
            e);
    }

    GenericApplicationContext springCtx;

    try {
      springCtx = new GenericApplicationContext();

      new XmlBeanDefinitionReader(springCtx).loadBeanDefinitions(new UrlResource(url));

      springCtx.refresh();
    } catch (BeansException e) {
      throw new Exception(
          "Failed to instantiate Spring XML application context [springUrl="
              + url
              + ", err="
              + e.getMessage()
              + ']',
          e);
    }

    Map<String, IgniteConfiguration> cfgMap;

    try {
      cfgMap = springCtx.getBeansOfType(IgniteConfiguration.class);
    } catch (BeansException e) {
      throw new Exception(
          "Failed to instantiate bean [type="
              + IgniteConfiguration.class
              + ", err="
              + e.getMessage()
              + ']',
          e);
    }

    if (cfgMap == null || cfgMap.isEmpty())
      throw new Exception("Failed to find ignite configuration in: " + url);

    return cfgMap.values().iterator().next();
  }
  /**
   * @param cls Component class.
   * @param <T> Component type.
   * @return Component class instance or {@code null} if no one plugin override this component.
   */
  public <T> T createComponent(Class<T> cls) {
    for (PluginProvider plugin : plugins.values()) {
      PluginContext ctx = pluginContextForProvider(plugin);

      T comp = (T) plugin.createComponent(ctx, cls);

      if (comp != null) return comp;
    }

    return null;
  }
  /** Print plugins information. */
  private void ackPluginsInfo() {
    U.quietAndInfo(log, "Configured plugins:");

    if (plugins.isEmpty()) {
      U.quietAndInfo(log, "  ^-- None");
      U.quietAndInfo(log, "");
    } else {
      for (PluginProvider plugin : plugins.values()) {
        U.quietAndInfo(log, "  ^-- " + plugin.name() + " " + plugin.version());
        U.quietAndInfo(log, "  ^-- " + plugin.copyright());
        U.quietAndInfo(log, "");
      }
    }
  }
 /** @return All plugin providers. */
 public Collection<PluginProvider> allProviders() {
   return plugins.values();
 }