package org.infinispan.persistence;
import java.util.List;
import org.infinispan.Cache;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.context.Flag;
import org.infinispan.persistence.dummy.DummyInMemoryStore;
import org.infinispan.persistence.dummy.DummyInMemoryStoreConfigurationBuilder;
import org.infinispan.persistence.spi.CacheLoader;
import org.infinispan.persistence.spi.PersistenceException;
import org.infinispan.test.MultipleCacheManagersTest;
import org.infinispan.test.TestingUtil;
import org.infinispan.test.fwk.CleanupAfterMethod;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.Test;
@Test (testName = "persistence.SharedStoreTest", groups = "functional")
@CleanupAfterMethod
public class SharedStoreTest extends MultipleCacheManagersTest {
@Override
protected void createCacheManagers() throws Throwable {
ConfigurationBuilder cfg = new ConfigurationBuilder();
cfg
.persistence()
.addStore(DummyInMemoryStoreConfigurationBuilder.class)
.storeName(SharedStoreTest.class.getName())
.purgeOnStartup(false).shared(true)
.clustering()
.cacheMode(CacheMode.REPL_SYNC)
.build();
createCluster(cfg, 3);
// don't create the caches here, we want them to join the cluster one by one
}
@AfterMethod
@Override
protected void clearContent() throws Throwable {
// Because the store is shared, the stats are not cleared between methods
// In particular, the clear between methods is added to the statistics
List<CacheLoader<Object, Object>> cachestores = TestingUtil.cachestores(caches());
super.clearContent();
cachestores.forEach(store -> ((DummyInMemoryStore) store).clearStats());
}
public void testUnnecessaryWrites() throws PersistenceException {
// The first cache is created here.
cache(0).put("key", "value");
// the second and third cache are only started here
// so state transfer will copy the key to the other caches
// however is should not write it to the cache store again
for (Cache<Object, Object> c: caches())
assert "value".equals(c.get("key"));
List<CacheLoader<Object, Object>> cacheStores = TestingUtil.cachestores(caches());
for (CacheLoader cs: cacheStores) {
assert cs.contains("key");
DummyInMemoryStore dimcs = (DummyInMemoryStore) cs;
assert dimcs.stats().get("clear") == 0: "Cache store should not be cleared, purgeOnStartup is false";
assert dimcs.stats().get("write") == 1: "Cache store should have been written to just once, but was written to " + dimcs.stats().get("write") + " times";
}
cache(0).remove("key");
for (Cache<Object, Object> c: caches())
assert c.get("key") == null;
for (CacheLoader cs: cacheStores) {
assert !cs.contains("key");
DummyInMemoryStore dimcs = (DummyInMemoryStore) cs;
assert dimcs.stats().get("delete") == 1 : "Entry should have been removed from the cache store just once, but was removed " + dimcs.stats().get("delete") + " times";
}
}
public void testSkipSharedCacheStoreFlagUsage() throws PersistenceException {
cache(0).getAdvancedCache().withFlags(Flag.SKIP_SHARED_CACHE_STORE).put("key", "value");
assert cache(0).get("key").equals("value");
List<CacheLoader<Object, Object>> cachestores = TestingUtil.cachestores(caches());
for (CacheLoader cs : cachestores) {
assert !cs.contains("key");
DummyInMemoryStore dimcs = (DummyInMemoryStore) cs;
assert dimcs.stats().get("write") == 0 : "Cache store should NOT contain any entry. Put was with SKIP_SHARED_CACHE_STORE flag.";
}
}
}