/**
* @param gridName Grid name.
* @return Cache configuration.
* @throws Exception In case of error.
*/
@SuppressWarnings("unchecked")
protected CacheConfiguration cacheConfiguration(String gridName) throws Exception {
CacheConfiguration cfg = defaultCacheConfiguration();
CacheStore<?, ?> store = cacheStore();
if (store != null) {
cfg.setCacheStoreFactory(new TestStoreFactory());
cfg.setReadThrough(true);
cfg.setWriteThrough(true);
cfg.setLoadPreviousValue(true);
}
cfg.setSwapEnabled(swapEnabled());
cfg.setCacheMode(cacheMode());
cfg.setAtomicityMode(atomicityMode());
cfg.setWriteSynchronizationMode(writeSynchronization());
cfg.setNearConfiguration(nearConfiguration());
Class<?>[] idxTypes = indexedTypes();
if (!F.isEmpty(idxTypes)) cfg.setIndexedTypes(idxTypes);
if (cacheMode() == PARTITIONED) cfg.setBackups(1);
return cfg;
}
/** {@inheritDoc} */
@SuppressWarnings("unchecked")
@Override
protected IgniteConfiguration getConfiguration(String gridName) throws Exception {
IgniteConfiguration c = super.getConfiguration(gridName);
TransactionConfiguration txCfg = c.getTransactionConfiguration();
txCfg.setDefaultTxConcurrency(txConcurrency);
txCfg.setDefaultTxIsolation(txIsolation);
txCfg.setTxSerializableEnabled(true);
CacheConfiguration cc = defaultCacheConfiguration();
cc.setCacheMode(cacheMode());
cc.setAtomicityMode(TRANSACTIONAL);
cc.setSwapEnabled(false);
cc.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
cc.setEvictionPolicy(plc);
cc.setEvictSynchronizedKeyBufferSize(1);
cc.setEvictSynchronized(true);
if (testStore != null) {
cc.setCacheStoreFactory(singletonFactory(testStore));
cc.setReadThrough(true);
cc.setWriteThrough(true);
cc.setLoadPreviousValue(true);
} else cc.setCacheStoreFactory(null);
c.setCacheConfiguration(cc);
TcpDiscoverySpi disco = new TcpDiscoverySpi();
disco.setIpFinder(ipFinder);
c.setDiscoverySpi(disco);
return c;
}
/**
* Executes example.
*
* @param args Command line arguments, none required.
* @throws IgniteException If example execution failed.
*/
public static void main(String[] args) throws IgniteException {
ExamplesUtils.checkMinMemory(MIN_MEMORY);
// To start ignite with desired configuration uncomment the appropriate line.
try (Ignite ignite = Ignition.start("examples/config/example-ignite.xml")) {
System.out.println();
System.out.println(">>> Cache store example started.");
CacheConfiguration<Long, Person> cacheCfg = new CacheConfiguration<>(CACHE_NAME);
// Set atomicity as transaction, since we are showing transactions in example.
cacheCfg.setAtomicityMode(TRANSACTIONAL);
// Configure JDBC store.
cacheCfg.setCacheStoreFactory(FactoryBuilder.factoryOf(CacheJdbcPersonStore.class));
// Configure JDBC session listener.
cacheCfg.setCacheStoreSessionListenerFactories(
new Factory<CacheStoreSessionListener>() {
@Override
public CacheStoreSessionListener create() {
CacheJdbcStoreSessionListener lsnr = new CacheJdbcStoreSessionListener();
lsnr.setDataSource(CacheJdbcPersonStore.DATA_SRC);
return lsnr;
}
});
cacheCfg.setReadThrough(true);
cacheCfg.setWriteThrough(true);
try (IgniteCache<Long, Person> cache = ignite.getOrCreateCache(cacheCfg)) {
// Make initial cache loading from persistent store. This is a
// distributed operation and will call CacheStore.loadCache(...)
// method on all nodes in topology.
loadCache(cache);
// Start transaction and execute several cache operations with
// read/write-through to persistent store.
executeTransaction(cache);
}
}
}