/** @throws Exception If failed. */
public void testSystemCache() throws Exception {
CollectionConfiguration colCfg = collectionConfiguration();
IgniteQueue queue = grid(0).queue("Queue1", 0, colCfg);
final CacheConfiguration ccfg = getQueueCache(queue);
GridTestUtils.assertThrows(
log,
new Callable<Object>() {
@Override
public Object call() throws Exception {
grid(0).cache(ccfg.getName());
return null;
}
},
IllegalStateException.class,
"Failed to get cache because it is a system cache");
assertNotNull(((IgniteKernal) grid(0)).internalCache(ccfg.getName()));
}
/**
* 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 cfg = super.getConfiguration(gridName);
TcpDiscoverySpi spi = new TcpDiscoverySpi();
spi.setIpFinder(IP_FINDER);
cfg.setDiscoverySpi(spi);
cfg.setIncludeProperties();
cfg.setIncludeEventTypes(EVT_TASK_FAILED, EVT_TASK_FINISHED, EVT_JOB_MAPPED);
cfg.setConnectorConfiguration(null);
cfg.setPeerClassLoadingEnabled(true);
if (useCache) {
CacheConfiguration cc = defaultCacheConfiguration();
cc.setCacheMode(PARTITIONED);
cc.setNearConfiguration(null);
cc.setWriteSynchronizationMode(FULL_SYNC);
cc.setStartSize(ENTRY_CNT / GRID_CNT);
cc.setSwapEnabled(false);
cc.setBackups(1);
cfg.setCacheSanityCheckEnabled(false);
cfg.setCacheConfiguration(cc);
} else cfg.setCacheConfiguration();
return cfg;
}
/** {@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;
}
/**
* Start grid with IGFS.
*
* @param gridName Grid name.
* @param igfsName IGFS name
* @param mode IGFS mode.
* @param secondaryFs Secondary file system (optional).
* @param restCfg Rest configuration string (optional).
* @return Started grid instance.
* @throws Exception If failed.
*/
protected Ignite startGridWithIgfs(
String gridName,
String igfsName,
IgfsMode mode,
@Nullable IgfsSecondaryFileSystem secondaryFs,
@Nullable IgfsIpcEndpointConfiguration restCfg)
throws Exception {
FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
igfsCfg.setDataCacheName("dataCache");
igfsCfg.setMetaCacheName("metaCache");
igfsCfg.setName(igfsName);
igfsCfg.setBlockSize(IGFS_BLOCK_SIZE);
igfsCfg.setDefaultMode(mode);
igfsCfg.setIpcEndpointConfiguration(restCfg);
igfsCfg.setSecondaryFileSystem(secondaryFs);
igfsCfg.setPrefetchBlocks(PREFETCH_BLOCKS);
igfsCfg.setSequentialReadsBeforePrefetch(SEQ_READS_BEFORE_PREFETCH);
CacheConfiguration dataCacheCfg = defaultCacheConfiguration();
dataCacheCfg.setName("dataCache");
dataCacheCfg.setCacheMode(PARTITIONED);
dataCacheCfg.setNearConfiguration(null);
dataCacheCfg.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
dataCacheCfg.setAffinityMapper(new IgfsGroupDataBlocksKeyMapper(2));
dataCacheCfg.setBackups(0);
dataCacheCfg.setAtomicityMode(TRANSACTIONAL);
dataCacheCfg.setOffHeapMaxMemory(0);
CacheConfiguration metaCacheCfg = defaultCacheConfiguration();
metaCacheCfg.setName("metaCache");
metaCacheCfg.setCacheMode(REPLICATED);
metaCacheCfg.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
metaCacheCfg.setAtomicityMode(TRANSACTIONAL);
IgniteConfiguration cfg = new IgniteConfiguration();
cfg.setGridName(gridName);
TcpDiscoverySpi discoSpi = new TcpDiscoverySpi();
discoSpi.setIpFinder(new TcpDiscoveryVmIpFinder(true));
cfg.setDiscoverySpi(discoSpi);
cfg.setCacheConfiguration(dataCacheCfg, metaCacheCfg);
cfg.setFileSystemConfiguration(igfsCfg);
cfg.setLocalHost("127.0.0.1");
cfg.setConnectorConfiguration(null);
return G.start(cfg);
}
