Examples with DOMStoreReadTransaction org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction used on opensource projects

Example 11 with DOMStoreReadTransaction

use of org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction in project controller by opendaylight.

the class ClientBackedDataStoreTest method testNewReadOnlyTransaction.

@Test
public void testNewReadOnlyTransaction() throws Exception {
    try (ClientBackedDataStore clientBackedDataStore = new ClientBackedDataStore(actorContext, UNKNOWN_ID, clientActor)) {
        final DOMStoreReadTransaction tx = clientBackedDataStore.newReadOnlyTransaction();
        Assert.assertNotNull(tx);
        Mockito.verify(clientActor, Mockito.times(1)).createSnapshot();
    }
}

Example 12 with DOMStoreReadTransaction

use of org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction in project controller by opendaylight.

the class DistributedDataStoreIntegrationTest method testRestoreFromDatastoreSnapshot.

@Test
public void testRestoreFromDatastoreSnapshot() throws Exception {
    new IntegrationTestKit(getSystem(), datastoreContextBuilder) {

        {
            final String name = "transactionIntegrationTest";
            final ContainerNode carsNode = CarsModel.newCarsNode(CarsModel.newCarsMapNode(CarsModel.newCarEntry("optima", BigInteger.valueOf(20000L)), CarsModel.newCarEntry("sportage", BigInteger.valueOf(30000L))));
            DataTree dataTree = new InMemoryDataTreeFactory().create(DataTreeConfiguration.DEFAULT_OPERATIONAL, SchemaContextHelper.full());
            AbstractShardTest.writeToStore(dataTree, CarsModel.BASE_PATH, carsNode);
            NormalizedNode<?, ?> root = AbstractShardTest.readStore(dataTree, YangInstanceIdentifier.EMPTY);
            final Snapshot carsSnapshot = Snapshot.create(new ShardSnapshotState(new MetadataShardDataTreeSnapshot(root)), Collections.emptyList(), 2, 1, 2, 1, 1, "member-1", null);
            dataTree = new InMemoryDataTreeFactory().create(DataTreeConfiguration.DEFAULT_OPERATIONAL, SchemaContextHelper.full());
            final NormalizedNode<?, ?> peopleNode = PeopleModel.create();
            AbstractShardTest.writeToStore(dataTree, PeopleModel.BASE_PATH, peopleNode);
            root = AbstractShardTest.readStore(dataTree, YangInstanceIdentifier.EMPTY);
            final Snapshot peopleSnapshot = Snapshot.create(new ShardSnapshotState(new MetadataShardDataTreeSnapshot(root)), Collections.emptyList(), 2, 1, 2, 1, 1, "member-1", null);
            restoreFromSnapshot = new DatastoreSnapshot(name, null, Arrays.asList(new DatastoreSnapshot.ShardSnapshot("cars", carsSnapshot), new DatastoreSnapshot.ShardSnapshot("people", peopleSnapshot)));
            try (AbstractDataStore dataStore = setupAbstractDataStore(testParameter, name, "module-shards-member1.conf", true, "cars", "people")) {
                final DOMStoreReadTransaction readTx = dataStore.newReadOnlyTransaction();
                // two reads
                Optional<NormalizedNode<?, ?>> optional = readTx.read(CarsModel.BASE_PATH).get(5, TimeUnit.SECONDS);
                assertEquals("isPresent", true, optional.isPresent());
                assertEquals("Data node", carsNode, optional.get());
                optional = readTx.read(PeopleModel.BASE_PATH).get(5, TimeUnit.SECONDS);
                assertEquals("isPresent", true, optional.isPresent());
                assertEquals("Data node", peopleNode, optional.get());
            }
        }
    };
}

Example 13 with DOMStoreReadTransaction

use of org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction in project controller by opendaylight.

the class DistributedDataStoreIntegrationTest method testTransactionWritesWithShardNotInitiallyReady.

@SuppressWarnings("checkstyle:IllegalCatch")
private void testTransactionWritesWithShardNotInitiallyReady(final String testName, final boolean writeOnly) throws Exception {
    new IntegrationTestKit(getSystem(), datastoreContextBuilder) {

        {
            final String shardName = "test-1";
            // Setup the InMemoryJournal to block shard recovery to ensure
            // the shard isn't
            // initialized until we create and submit the write the Tx.
            final String persistentID = String.format("member-1-shard-%s-%s", shardName, testName);
            final CountDownLatch blockRecoveryLatch = new CountDownLatch(1);
            InMemoryJournal.addBlockReadMessagesLatch(persistentID, blockRecoveryLatch);
            try (AbstractDataStore dataStore = setupAbstractDataStore(testParameter, testName, false, shardName)) {
                // Create the write Tx
                final DOMStoreWriteTransaction writeTx = writeOnly ? dataStore.newWriteOnlyTransaction() : dataStore.newReadWriteTransaction();
                assertNotNull("newReadWriteTransaction returned null", writeTx);
                // Do some modification operations and ready the Tx on a
                // separate thread.
                final YangInstanceIdentifier listEntryPath = YangInstanceIdentifier.builder(TestModel.OUTER_LIST_PATH).nodeWithKey(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1).build();
                final AtomicReference<DOMStoreThreePhaseCommitCohort> txCohort = new AtomicReference<>();
                final AtomicReference<Exception> caughtEx = new AtomicReference<>();
                final CountDownLatch txReady = new CountDownLatch(1);
                final Thread txThread = new Thread(() -> {
                    try {
                        writeTx.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
                        writeTx.merge(TestModel.OUTER_LIST_PATH, ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME).build());
                        writeTx.write(listEntryPath, ImmutableNodes.mapEntry(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1));
                        writeTx.delete(listEntryPath);
                        txCohort.set(writeTx.ready());
                    } catch (Exception e) {
                        caughtEx.set(e);
                    } finally {
                        txReady.countDown();
                    }
                });
                txThread.start();
                // Wait for the Tx operations to complete.
                final boolean done = Uninterruptibles.awaitUninterruptibly(txReady, 5, TimeUnit.SECONDS);
                if (caughtEx.get() != null) {
                    throw caughtEx.get();
                }
                assertEquals("Tx ready", true, done);
                // At this point the Tx operations should be waiting for the
                // shard to initialize so
                // trigger the latch to let the shard recovery to continue.
                blockRecoveryLatch.countDown();
                // Wait for the Tx commit to complete.
                doCommit(txCohort.get());
                // Verify the data in the store
                final DOMStoreReadTransaction readTx = dataStore.newReadOnlyTransaction();
                Optional<NormalizedNode<?, ?>> optional = readTx.read(TestModel.TEST_PATH).get(5, TimeUnit.SECONDS);
                assertEquals("isPresent", true, optional.isPresent());
                optional = readTx.read(TestModel.OUTER_LIST_PATH).get(5, TimeUnit.SECONDS);
                assertEquals("isPresent", true, optional.isPresent());
                optional = readTx.read(listEntryPath).get(5, TimeUnit.SECONDS);
                assertEquals("isPresent", false, optional.isPresent());
            }
        }
    };
}

Example 14 with DOMStoreReadTransaction

use of org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction in project controller by opendaylight.

the class DistributedDataStoreIntegrationTest method testTransactionChainWithMultipleShards.

@Test
public void testTransactionChainWithMultipleShards() throws Exception {
    new IntegrationTestKit(getSystem(), datastoreContextBuilder) {

        {
            try (AbstractDataStore dataStore = setupAbstractDataStore(testParameter, "testTransactionChainWithMultipleShards", "cars-1", "people-1")) {
                final DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
                DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
                assertNotNull("newWriteOnlyTransaction returned null", writeTx);
                writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
                writeTx.write(PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
                writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
                writeTx.write(PeopleModel.PERSON_LIST_PATH, PeopleModel.newPersonMapNode());
                final DOMStoreThreePhaseCommitCohort cohort1 = writeTx.ready();
                final DOMStoreReadWriteTransaction readWriteTx = txChain.newReadWriteTransaction();
                final MapEntryNode car = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
                final YangInstanceIdentifier carPath = CarsModel.newCarPath("optima");
                readWriteTx.write(carPath, car);
                final MapEntryNode person = PeopleModel.newPersonEntry("jack");
                final YangInstanceIdentifier personPath = PeopleModel.newPersonPath("jack");
                readWriteTx.merge(personPath, person);
                Optional<NormalizedNode<?, ?>> optional = readWriteTx.read(carPath).get(5, TimeUnit.SECONDS);
                assertEquals("isPresent", true, optional.isPresent());
                assertEquals("Data node", car, optional.get());
                optional = readWriteTx.read(personPath).get(5, TimeUnit.SECONDS);
                assertEquals("isPresent", true, optional.isPresent());
                assertEquals("Data node", person, optional.get());
                final DOMStoreThreePhaseCommitCohort cohort2 = readWriteTx.ready();
                writeTx = txChain.newWriteOnlyTransaction();
                writeTx.delete(carPath);
                final DOMStoreThreePhaseCommitCohort cohort3 = writeTx.ready();
                final ListenableFuture<Boolean> canCommit1 = cohort1.canCommit();
                final ListenableFuture<Boolean> canCommit2 = cohort2.canCommit();
                doCommit(canCommit1, cohort1);
                doCommit(canCommit2, cohort2);
                doCommit(cohort3);
                txChain.close();
                final DOMStoreReadTransaction readTx = dataStore.newReadOnlyTransaction();
                optional = readTx.read(carPath).get(5, TimeUnit.SECONDS);
                assertEquals("isPresent", false, optional.isPresent());
                optional = readTx.read(personPath).get(5, TimeUnit.SECONDS);
                assertEquals("isPresent", true, optional.isPresent());
                assertEquals("Data node", person, optional.get());
            }
        }
    };
}

Example 15 with DOMStoreReadTransaction

use of org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction in project controller by opendaylight.

the class DistributedDataStoreRemotingIntegrationTest method testTransactionWithCreateTxFailureDueToNoLeader.

@Test
public void testTransactionWithCreateTxFailureDueToNoLeader() throws Exception {
    followerDatastoreContextBuilder.frontendRequestTimeoutInSeconds(2);
    initDatastoresWithCars("testTransactionWithCreateTxFailureDueToNoLeader");
    // Do an initial read to get the primary shard info cached.
    final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
    readTx.read(CarsModel.BASE_PATH).checkedGet(5, TimeUnit.SECONDS);
    // Shutdown the leader and try to create a new tx.
    TestKit.shutdownActorSystem(leaderSystem, true);
    Cluster.get(followerSystem).leave(MEMBER_1_ADDRESS);
    Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
    sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder.operationTimeoutInMillis(10).shardElectionTimeoutFactor(1).customRaftPolicyImplementation(null));
    final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
    rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
    try {
        followerTestKit.doCommit(rwTx.ready());
        fail("Exception expected");
    } catch (final ExecutionException e) {
        final String msg = "Unexpected exception: " + Throwables.getStackTraceAsString(e.getCause());
        if (DistributedDataStore.class.equals(testParameter)) {
            assertTrue(msg, Throwables.getRootCause(e) instanceof NoShardLeaderException);
        } else {
            assertTrue(msg, Throwables.getRootCause(e) instanceof RequestTimeoutException);
        }
    }
}