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

Example 1 with Stat

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

the class ManagedLedgerTest method testBackwardCompatiblityForMeta.

@Test
public void testBackwardCompatiblityForMeta() throws Exception {
    final ManagedLedgerInfo[] storedMLInfo = new ManagedLedgerInfo[3];
    final Stat[] versions = new Stat[1];
    ManagedLedgerConfig conf = new ManagedLedgerConfig();
    conf.setMaxEntriesPerLedger(1);
    conf.setRetentionSizeInMB(10);
    conf.setRetentionTime(1, TimeUnit.HOURS);
    ManagedLedger ml = factory.open("backward_test_ledger", conf);
    ml.openCursor("c1");
    ml.addEntry("msg1".getBytes());
    ml.addEntry("msg2".getBytes());
    ml.close();
    MetaStore store = new MetaStoreImpl(metadataStore, executor);
    CountDownLatch l1 = new CountDownLatch(1);
    // obtain the ledger info
    store.getManagedLedgerInfo("backward_test_ledger", false, new MetaStoreCallback<ManagedLedgerInfo>() {

        @Override
        public void operationComplete(ManagedLedgerInfo result, Stat version) {
            storedMLInfo[0] = result;
            versions[0] = version;
            l1.countDown();
        }

        @Override
        public void operationFailed(MetaStoreException e) {
            fail("on get ManagedLedgerInfo backward_test_ledger");
        }
    });
    l1.await();
    ManagedLedgerInfo.Builder builder1 = ManagedLedgerInfo.newBuilder();
    // simulate test for old ledger with no timestampl
    for (LedgerInfo info : storedMLInfo[0].getLedgerInfoList()) {
        LedgerInfo noTimestamp = ManagedLedgerInfo.LedgerInfo.newBuilder().mergeFrom(info).clearTimestamp().build();
        assertFalse(noTimestamp.hasTimestamp(), "expected old version info with no timestamp");
        builder1.addLedgerInfo(noTimestamp);
    }
    storedMLInfo[1] = builder1.build();
    // test timestamp on new ledger
    CountDownLatch l2 = new CountDownLatch(1);
    store.asyncUpdateLedgerIds("backward_test_ledger", storedMLInfo[1], versions[0], new MetaStoreCallback<Void>() {

        @Override
        public void operationComplete(Void result, Stat version) {
            l2.countDown();
        }

        @Override
        public void operationFailed(MetaStoreException e) {
            fail("on asyncUpdateLedgerIds");
        }
    });
    // verify that after update ledgers have timestamp
    ManagedLedgerImpl newVersionLedger = (ManagedLedgerImpl) factory.open("backward_test_ledger", conf);
    List<LedgerInfo> mlInfo = newVersionLedger.getLedgersInfoAsList();
    assertTrue(mlInfo.stream().allMatch(ledgerInfo -> ledgerInfo.hasTimestamp()));
}

Example 2 with Stat

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

the class MetaStoreImplTest method failInCreatingMLnode.

@Test(timeOut = 20000)
void failInCreatingMLnode() throws Exception {
    MetaStore store = new MetaStoreImpl(metadataStore, executor);
    final CompletableFuture<Void> promise = new CompletableFuture<>();
    metadataStore.failConditional(new MetadataStoreException("error"), (op, path) -> op == FaultInjectionMetadataStore.OperationType.PUT);
    store.getManagedLedgerInfo("my_test", false, new MetaStoreCallback<MLDataFormats.ManagedLedgerInfo>() {

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

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

Example 3 with Stat

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

the class MetaStoreImplTest method updatingMLNode.

@Test(timeOut = 20000)
void updatingMLNode() throws Exception {
    MetaStore store = new MetaStoreImpl(metadataStore, executor);
    metadataStore.put("/managed-ledgers/my_test", "".getBytes(), Optional.empty());
    final CompletableFuture<Void> promise = new CompletableFuture<>();
    store.getManagedLedgerInfo("my_test", false, new MetaStoreCallback<ManagedLedgerInfo>() {

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

        public void operationComplete(ManagedLedgerInfo mlInfo, Stat version) {
            // Update again using the version
            metadataStore.failConditional(new MetadataStoreException.BadVersionException("error"), (op, path) -> op == FaultInjectionMetadataStore.OperationType.PUT && path.contains("my_test"));
            store.asyncUpdateLedgerIds("my_test", mlInfo, 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 4 with Stat

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

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 5 with Stat

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

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();
}