Examples with Stat org.apache.pulsar.metadata.api.Stat used on opensource projects

Example 26 with Stat

use of org.apache.pulsar.metadata.api.Stat in project pulsar by yahoo.

the class MetaStoreImplTest method readMalformedML.

@Test(timeOut = 20000)
void readMalformedML() throws Exception {
    MetaStore store = new MetaStoreImpl(metadataStore, executor);
    metadataStore.put("/managed-ledgers/my_test", "non-valid".getBytes(), Optional.empty()).join();
    final CountDownLatch latch = new CountDownLatch(1);
    store.getManagedLedgerInfo("my_test", false, new MetaStoreCallback<MLDataFormats.ManagedLedgerInfo>() {

        public void operationFailed(MetaStoreException e) {
            // Ok
            latch.countDown();
        }

        public void operationComplete(ManagedLedgerInfo result, Stat version) {
            fail("Operation should have failed");
        }
    });
    latch.await();
}

Example 27 with Stat

use of org.apache.pulsar.metadata.api.Stat in project pulsar by yahoo.

the class MetaStoreImplTest method deleteNonExistingML.

@Test
void deleteNonExistingML() throws Exception {
    MetaStore store = new MetaStoreImpl(metadataStore, executor);
    AtomicReference<MetaStoreException> exception = new AtomicReference<>();
    CountDownLatch counter = new CountDownLatch(1);
    store.removeManagedLedger("non-existing", new MetaStoreCallback<Void>() {

        @Override
        public void operationComplete(Void result, Stat version) {
            counter.countDown();
        }

        @Override
        public void operationFailed(MetaStoreException e) {
            exception.set(e);
            counter.countDown();
        }
    });
    counter.await();
    assertNotNull(exception.get());
}

Example 28 with Stat

use of org.apache.pulsar.metadata.api.Stat in project pulsar by yahoo.

the class MetaStoreImplTest method updatingCursorNode.

@Test(timeOut = 20000)
void updatingCursorNode() throws Exception {
    MetaStore store = new MetaStoreImpl(metadataStore, executor);
    metadataStore.put("/managed-ledgers/my_test", "".getBytes(), Optional.empty()).join();
    final CompletableFuture<Void> promise = new CompletableFuture<>();
    ManagedCursorInfo info = ManagedCursorInfo.newBuilder().setCursorsLedgerId(1).build();
    store.asyncUpdateCursorInfo("my_test", "c1", info, null, new MetaStoreCallback<Void>() {

        public void operationFailed(MetaStoreException e) {
            promise.completeExceptionally(e);
        }

        public void operationComplete(Void result, Stat version) {
            // Update again using the version
            metadataStore.failConditional(new MetadataStoreException("error"), (op, path) -> op == FaultInjectionMetadataStore.OperationType.PUT && path.contains("my_test") && path.contains("c1"));
            ManagedCursorInfo info = ManagedCursorInfo.newBuilder().setCursorsLedgerId(2).build();
            store.asyncUpdateCursorInfo("my_test", "c1", info, version, new MetaStoreCallback<Void>() {

                public void operationFailed(MetaStoreException e) {
                    // ok
                    promise.complete(null);
                }

                @Override
                public void operationComplete(Void result, Stat version) {
                    promise.completeExceptionally(new Exception("should have failed"));
                }
            });
        }
    });
    promise.get();
}

Example 29 with Stat

use of org.apache.pulsar.metadata.api.Stat in project pulsar by yahoo.

the class MetadataStoreBatchingTest method testBatchWrite.

@Test(dataProvider = "impl")
public void testBatchWrite(String provider, Supplier<String> urlSupplier) throws Exception {
    @Cleanup MetadataStore store = MetadataStoreFactory.create(urlSupplier.get(), MetadataStoreConfig.builder().batchingEnabled(true).batchingMaxDelayMillis(1_000).build());
    String key1 = newKey();
    CompletableFuture<Stat> f1 = store.put(key1, new byte[0], Optional.empty());
    String key2 = newKey();
    CompletableFuture<Stat> f2 = store.put(key2, new byte[0], Optional.empty());
    Stat s1 = f1.join();
    Stat s2 = f2.join();
    log.info("s1: {}", s1);
    log.info("s2: {}", s2);
}

Example 30 with Stat

use of org.apache.pulsar.metadata.api.Stat in project pulsar by yahoo.

the class MetadataStoreTest method notificationListeners.

@Test(dataProvider = "impl")
public void notificationListeners(String provider, Supplier<String> urlSupplier) throws Exception {
    @Cleanup MetadataStore store = MetadataStoreFactory.create(urlSupplier.get(), MetadataStoreConfig.builder().build());
    BlockingQueue<Notification> notifications = new LinkedBlockingDeque<>();
    store.registerListener(n -> {
        notifications.add(n);
    });
    String key1 = newKey();
    assertFalse(store.get(key1).join().isPresent());
    // Trigger created notification
    Stat stat = store.put(key1, "value-1".getBytes(), Optional.empty()).join();
    assertTrue(store.get(key1).join().isPresent());
    assertEquals(store.getChildren(key1).join(), Collections.emptyList());
    assertEquals(stat.getVersion(), 0);
    Notification n = notifications.poll(3, TimeUnit.SECONDS);
    assertNotNull(n);
    assertEquals(n.getType(), NotificationType.Created);
    assertEquals(n.getPath(), key1);
    // Trigger modified notification
    stat = store.put(key1, "value-2".getBytes(), Optional.empty()).join();
    n = notifications.poll(3, TimeUnit.SECONDS);
    assertNotNull(n);
    assertEquals(n.getType(), NotificationType.Modified);
    assertEquals(n.getPath(), key1);
    assertEquals(stat.getVersion(), 1);
    // Trigger modified notification on the parent
    String key1Child = key1 + "/xx";
    assertFalse(store.get(key1Child).join().isPresent());
    store.put(key1Child, "value-2".getBytes(), Optional.empty()).join();
    n = notifications.poll(3, TimeUnit.SECONDS);
    assertNotNull(n);
    assertEquals(n.getType(), NotificationType.Created);
    assertEquals(n.getPath(), key1Child);
    n = notifications.poll(3, TimeUnit.SECONDS);
    assertNotNull(n);
    assertEquals(n.getType(), NotificationType.ChildrenChanged);
    assertEquals(n.getPath(), key1);
    assertTrue(store.exists(key1Child).join());
    assertEquals(store.getChildren(key1).join(), Collections.singletonList("xx"));
    store.delete(key1Child, Optional.empty()).join();
    n = notifications.poll(3, TimeUnit.SECONDS);
    assertNotNull(n);
    assertEquals(n.getType(), NotificationType.Deleted);
    assertEquals(n.getPath(), key1Child);
    // Parent should be notified of the deletion
    n = notifications.poll(3, TimeUnit.SECONDS);
    assertNotNull(n);
    assertEquals(n.getType(), NotificationType.ChildrenChanged);
    assertEquals(n.getPath(), key1);
}