@Test
public void testGet_whenNotExist() {
final MultiMap mm = client.getMultiMap(randomString());
Collection coll = mm.get("NOT_THERE");
assertEquals(Collections.EMPTY_SET, coll);
}
@Test
public void testMultiMapPutAndGet() {
HazelcastClient hClient = getHazelcastClient();
MultiMap<String, String> map = hClient.getMultiMap("testMultiMapPutAndGet");
map.put("Hello", "World");
Collection<String> values = map.get("Hello");
assertEquals("World", values.iterator().next());
map.put("Hello", "Europe");
map.put("Hello", "America");
map.put("Hello", "Asia");
map.put("Hello", "Africa");
map.put("Hello", "Antarctica");
map.put("Hello", "Australia");
values = map.get("Hello");
assertEquals(7, values.size());
assertTrue(map.containsKey("Hello"));
assertFalse(map.containsKey("Hi"));
}
@Test
public void testGet() {
final Object key = "key";
final int maxItemsPerKey = 33;
final MultiMap mm = client.getMultiMap(randomString());
Set expected = new TreeSet();
for (int i = 0; i < maxItemsPerKey; i++) {
mm.put(key, i);
expected.add(i);
}
Collection resultSet = new TreeSet(mm.get(key));
assertEquals(expected, resultSet);
}
@Test
public void testPutAndRoleBack() throws Exception {
final String mapName = randomString();
final String key = "key";
final String value = "value";
final MultiMap multiMap = client.getMultiMap(mapName);
TransactionContext tx = client.newTransactionContext();
tx.beginTransaction();
TransactionalMultiMap mulitMapTxn = tx.getMultiMap(mapName);
mulitMapTxn.put(key, value);
mulitMapTxn.put(key, value);
tx.rollbackTransaction();
assertEquals(Collections.EMPTY_LIST, multiMap.get(key));
}
@Test
public void testRemoveAll() throws Exception {
final String mapName = randomString();
final String key = "key";
MultiMap multiMap = client.getMultiMap(mapName);
for (int i = 0; i < 10; i++) {
multiMap.put(key, i);
}
TransactionContext tx = client.newTransactionContext();
tx.beginTransaction();
TransactionalMultiMap txnMultiMap = tx.getMultiMap(mapName);
txnMultiMap.remove(key);
tx.commitTransaction();
assertEquals(Collections.EMPTY_LIST, multiMap.get(key));
}
@Test
public void get() throws InterruptedException {
HazelcastClient hClient = getHazelcastClient();
MultiMap<String, Integer> multiMap = hClient.getMultiMap("get");
assertTrue(multiMap.put("a", 1));
assertTrue(multiMap.put("a", 2));
Map<Integer, CountDownLatch> map = new HashMap<Integer, CountDownLatch>();
map.put(1, new CountDownLatch(1));
map.put(2, new CountDownLatch(1));
Collection<Integer> collection = multiMap.get("a");
assertEquals(Values.class, collection.getClass());
assertEquals(2, collection.size());
for (Iterator<Integer> it = collection.iterator(); it.hasNext(); ) {
Integer o = it.next();
map.get(o).countDown();
}
assertTrue(map.get(1).await(10, TimeUnit.SECONDS));
assertTrue(map.get(2).await(10, TimeUnit.SECONDS));
}
@Test
public void testTransactionAtomicity_whenMultiMapGetIsUsed_withoutTransaction()
throws InterruptedException {
final HazelcastInstance hz = Hazelcast.newHazelcastInstance(createConfigWithDummyTxService());
final String name = HazelcastTestSupport.generateRandomString(5);
Thread producerThread = startProducerThread(hz, name);
try {
IQueue<String> q = hz.getQueue(name);
for (int i = 0; i < 1000; i++) {
String id = q.poll();
if (id != null) {
MultiMap<Object, Object> multiMap = hz.getMultiMap(name);
Collection<Object> values = multiMap.get(id);
assertFalse(values.isEmpty());
multiMap.remove(id);
} else {
LockSupport.parkNanos(100);
}
}
} finally {
stopProducerThread(producerThread);
}
}
@Override
public void get(final K k, final Handler<AsyncResult<ChoosableIterable<V>>> resultHandler) {
ChoosableSet<V> entries = cache.get(k);
Future<ChoosableIterable<V>> result = Future.future();
if (entries != null && entries.isInitialised()) {
result.setResult(entries).setHandler(resultHandler);
} else {
vertx.executeBlocking(
() -> map.get(k),
(AsyncResult<Collection<V>> res2) -> {
Future<ChoosableIterable<V>> sresult = Future.future();
if (res2.succeeded()) {
Collection<V> entries2 = res2.result();
ChoosableSet<V> sids;
if (entries2 != null) {
sids = new ChoosableSet<>(entries2.size());
for (V hid : entries2) {
sids.add(hid);
}
} else {
sids = new ChoosableSet<>(0);
}
ChoosableSet<V> prev = cache.putIfAbsent(k, sids);
if (prev != null) {
// Merge them
prev.merge(sids);
sids = prev;
}
sids.setInitialised();
sresult.setResult(sids);
} else {
sresult.setFailure(result.cause());
}
sresult.setHandler(resultHandler);
});
}
}
public Collection<V> get(K key) {
return delegate.get(key);
}
