package org.infinispan.query.statetransfer;
import org.infinispan.Cache;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.persistence.spi.PersistenceException;
import org.infinispan.persistence.dummy.DummyInMemoryStoreConfigurationBuilder;
import org.infinispan.persistence.spi.CacheLoader;
import org.infinispan.query.test.Person;
import org.infinispan.test.TestingUtil;
import org.testng.annotations.Test;
import static org.testng.AssertJUnit.assertEquals;
/**
* Test that verifies that querying works even after multiple nodes have
* started with unshared, passivated, cache stores, and a new node comes in
* to fetch the persistent state from the other nodes.
*
* @author Galder Zamarreño
* @since 5.2
*/
@Test(groups = "functional", testName = "query.statetransfer.PersistentStateTransferQueryIndexTest")
public class PersistentStateTransferQueryIndexTest extends BaseReIndexingTest {
@Override
protected void configureCache(ConfigurationBuilder builder) {
// Explicitly disable fetching in-memory state in order
// to fetch it from the persistence layer
builder.clustering().stateTransfer().fetchInMemoryState(true)
.persistence().passivation(true)
.addStore(DummyInMemoryStoreConfigurationBuilder.class)
.shared(false)
.preload(true)
.fetchPersistentState(true);
}
public void testFetchingPersistentStateUpdatesIndex() throws Exception {
loadCacheEntries(this.<String, Person>caches().get(0));
// Before adding a node, verify that the query resolves properly
Cache<String, Person> cache1 = this.<String, Person>caches().get(0);
executeSimpleQuery(cache1);
// Since passivation is enabled, cache stores should still be empty
checkCacheStoresEmpty();
// Evict manually entries from both nodes
for (Cache<Object, Object> cache : caches()) {
for (Person p2 : persons) {
cache.evict(p2.getName());
}
}
// After eviction, cache stores should be loaded with instances
checkCacheStoresContainPersons();
// Finally add a node and verify that state transfer happens and query works
addNodeCheckingContentsAndQuery();
}
private void checkCacheStoresContainPersons() throws PersistenceException {
for (Cache<Object, Object> cache : caches()) {
CacheLoader store = TestingUtil.getFirstLoader(cache);
for (int i = 0; i < persons.length; i++)
assertEquals(persons[i], store.load(persons[i].getName()).getValue());
}
}
private void checkCacheStoresEmpty() throws PersistenceException {
for (Cache<Object, Object> cache : caches()) {
CacheLoader store = TestingUtil.getFirstLoader(cache);
for (Person person : persons) {
assert !store.contains(person.getName());
}
}
}
}