/**
* Executes example.
*
* @param args Command line arguments, none required.
*/
public static void main(String[] args) {
try (Ignite ignite = Ignition.start("examples/config/example-ignite.xml")) {
System.out.println();
System.out.println(">>> Cache star schema example started.");
CacheConfiguration<Integer, FactPurchase> factCacheCfg =
new CacheConfiguration<>(PARTITIONED_CACHE_NAME);
factCacheCfg.setCacheMode(CacheMode.PARTITIONED);
factCacheCfg.setIndexedTypes(Integer.class, FactPurchase.class);
CacheConfiguration<Integer, Object> dimCacheCfg =
new CacheConfiguration<>(REPLICATED_CACHE_NAME);
dimCacheCfg.setCacheMode(CacheMode.REPLICATED);
dimCacheCfg.setIndexedTypes(
Integer.class, DimStore.class,
Integer.class, DimProduct.class);
try (IgniteCache<Integer, FactPurchase> factCache = ignite.getOrCreateCache(factCacheCfg);
IgniteCache<Integer, Object> dimCache = ignite.getOrCreateCache(dimCacheCfg)) {
populateDimensions(dimCache);
populateFacts(factCache);
queryStorePurchases();
queryProductPurchases();
}
}
}
/**
* @param name Cache name.
* @param cacheMode Cache mode.
* @param parts Number of partitions.
* @return Cache configuration.
*/
private CacheConfiguration cacheConfiguration(String name, CacheMode cacheMode, int parts) {
CacheConfiguration ccfg = new CacheConfiguration();
ccfg.setName(name);
ccfg.setCacheMode(cacheMode);
ccfg.setAtomicityMode(TRANSACTIONAL);
ccfg.setWriteSynchronizationMode(FULL_SYNC);
if (cacheMode == PARTITIONED) ccfg.setBackups(1);
ccfg.setAffinity(new RendezvousAffinityFunction(false, parts));
return ccfg;
}
/** {@inheritDoc} */
@Override
protected IgniteConfiguration getConfiguration(String gridName) throws Exception {
IgniteConfiguration c = super.getConfiguration(gridName);
TcpDiscoverySpi disco = new TcpDiscoverySpi();
disco.setIpFinder(ipFinder);
c.setDiscoverySpi(disco);
CacheConfiguration<?, ?> cc = defaultCacheConfiguration();
cc.setCacheMode(PARTITIONED);
cc.setBackups(1);
cc.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
cc.setAtomicityMode(TRANSACTIONAL);
cc.setIndexedTypes(Integer.class, Integer.class);
c.setCacheConfiguration(cc);
return c;
}
/**
* A copy-constructor for a {@link RICacheConfiguration}.
*
* @param configuration the {@link CacheConfiguration} from which to copy
*/
public RICacheConfiguration(CacheConfiguration<K, V> configuration) {
this(
configuration.getCacheEntryListenerRegistrations(),
configuration.getCacheLoader(),
configuration.getCacheWriter(),
configuration.getCacheEntryExpiryPolicy(),
configuration.isReadThrough(),
configuration.isWriteThrough(),
configuration.isStatisticsEnabled(),
configuration.isStoreByValue(),
configuration.isTransactionsEnabled(),
configuration.getTransactionIsolationLevel(),
configuration.getTransactionMode());
}