/**
* Checks that gets work for implicit txs.
*
* @param cache Cache to test.
* @throws Exception If failed.
*/
private void checkExplicitTx(Ignite ignite, IgniteCache<String, String> cache) throws Exception {
IgniteCache<String, String> asyncCache = cache.withAsync();
Transaction tx = ignite.transactions().txStart();
try {
assertNull(cache.get("key1"));
tx.commit();
} finally {
tx.close();
}
tx = ignite.transactions().txStart();
try {
asyncCache.get("key2");
assertNull(asyncCache.future().get());
tx.commit();
} finally {
tx.close();
}
tx = ignite.transactions().txStart();
try {
assertTrue(cache.getAll(F.asSet("key3", "key4")).isEmpty());
tx.commit();
} finally {
tx.close();
}
tx = ignite.transactions().txStart();
try {
asyncCache.getAll(F.asSet("key5", "key6"));
assertTrue(((Map) asyncCache.future().get()).isEmpty());
tx.commit();
} finally {
tx.close();
}
tx = ignite.transactions().txStart();
try {
cache.put("key7", "key7");
cache.remove("key7");
assertNull(cache.get("key7"));
tx.commit();
} finally {
tx.close();
}
checkEmpty(cache);
}
/**
* Checks that cache is empty.
*
* @param cache Cache to check.
* @throws org.apache.ignite.internal.IgniteInterruptedCheckedException If interrupted while
* sleeping.
*/
@SuppressWarnings({"ErrorNotRethrown", "TypeMayBeWeakened"})
private void checkEmpty(IgniteCache<String, String> cache)
throws IgniteInterruptedCheckedException {
for (int i = 0; i < 3; i++) {
try {
assertTrue(!cache.iterator().hasNext());
break;
} catch (AssertionError e) {
if (i == 2) throw e;
info(">>> Cache is not empty, flushing evictions.");
U.sleep(1000);
}
}
}
/**
* JUnit.
*
* @throws Exception If failed.
*/
@SuppressWarnings({"TooBroadScope"})
public void testRestarts() throws Exception {
int duration = 60 * 1000;
int qryThreadNum = 10;
final long nodeLifeTime = 2 * 1000;
final int logFreq = 20;
final IgniteCache<Integer, Integer> cache = grid(0).cache(null);
assert cache != null;
for (int i = 0; i < KEY_CNT; i++) cache.put(i, i);
assertEquals(KEY_CNT, cache.localSize());
final AtomicInteger qryCnt = new AtomicInteger();
final AtomicBoolean done = new AtomicBoolean();
IgniteInternalFuture<?> fut1 =
multithreadedAsync(
new CAX() {
@Override
public void applyx() throws IgniteCheckedException {
while (!done.get()) {
Collection<Cache.Entry<Integer, Integer>> res =
cache.query(new SqlQuery(Integer.class, "_val >= 0")).getAll();
assertFalse(res.isEmpty());
int c = qryCnt.incrementAndGet();
if (c % logFreq == 0) info("Executed queries: " + c);
}
}
},
qryThreadNum);
final AtomicInteger restartCnt = new AtomicInteger();
CollectingEventListener lsnr = new CollectingEventListener();
for (int i = 0; i < GRID_CNT; i++)
grid(i).events().localListen(lsnr, EventType.EVT_CACHE_REBALANCE_STOPPED);
IgniteInternalFuture<?> fut2 =
multithreadedAsync(
new Callable<Object>() {
@SuppressWarnings({"BusyWait"})
@Override
public Object call() throws Exception {
while (!done.get()) {
int idx = GRID_CNT;
startGrid(idx);
Thread.sleep(nodeLifeTime);
stopGrid(idx);
int c = restartCnt.incrementAndGet();
if (c % logFreq == 0) info("Node restarts: " + c);
}
return true;
}
},
1);
Thread.sleep(duration);
done.set(true);
fut1.get();
fut2.get();
info("Awaiting rebalance events [restartCnt=" + restartCnt.get() + ']');
boolean success = lsnr.awaitEvents(GRID_CNT * 2 * restartCnt.get(), 15000);
for (int i = 0; i < GRID_CNT; i++)
grid(i).events().stopLocalListen(lsnr, EventType.EVT_CACHE_REBALANCE_STOPPED);
assert success;
}
/**
* Checks that gets work for implicit txs.
*
* @param cache Cache to test.
* @throws Exception If failed.
*/
private void checkImplicitTx(IgniteCache<String, String> cache) throws Exception {
assertNull(cache.get("key1"));
IgniteCache<String, String> asyncCache = cache.withAsync();
asyncCache.get("key2");
assertNull(asyncCache.future().get());
assertTrue(cache.getAll(F.asSet("key3", "key4")).isEmpty());
asyncCache.getAll(F.asSet("key5", "key6"));
assertTrue(((Map) asyncCache.future().get()).isEmpty());
cache.put("key7", "key7");
cache.remove("key7", "key7");
assertNull(cache.get("key7"));
checkEmpty(cache);
}