+ }).start();
+
+ // 5. Create a new read Tx from the chain to read and verify
+ // the data from the first
+ // Tx is visible after being readied.
+ DOMStoreReadTransaction readTx = txChain.newReadOnlyTransaction();
+ Optional<NormalizedNode<?, ?>> optional = readTx.read(TestModel.TEST_PATH).get(5, TimeUnit.SECONDS);
+ assertEquals("isPresent", true, optional.isPresent());
+ assertEquals("Data node", testNode, optional.get());
+
+ // 6. Create a new RW Tx from the chain, write more data,
+ // and ready it
+ final DOMStoreReadWriteTransaction rwTx = txChain.newReadWriteTransaction();
+ final MapNode outerNode = ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME).build();
+ rwTx.write(TestModel.OUTER_LIST_PATH, outerNode);
+
+ final DOMStoreThreePhaseCommitCohort cohort2 = rwTx.ready();
+
+ // 7. Create a new read Tx from the chain to read the data
+ // from the last RW Tx to
+ // verify it is visible.
+ readTx = txChain.newReadWriteTransaction();
+ optional = readTx.read(TestModel.OUTER_LIST_PATH).get(5, TimeUnit.SECONDS);
+ assertEquals("isPresent", true, optional.isPresent());
+ assertEquals("Data node", outerNode, optional.get());
+
+ // 8. Wait for the 2 commits to complete and close the
+ // chain.
+ continueCommit1.countDown();
+ Uninterruptibles.awaitUninterruptibly(commit1Done, 5, TimeUnit.SECONDS);
+
+ if (commit1Error.get() != null) {
+ throw commit1Error.get();
+ }
+
+ doCommit(cohort2);
+
+ txChain.close();
+
+ // 9. Create a new read Tx from the data store and verify
+ // committed data.
+ readTx = dataStore.newReadOnlyTransaction();
+ optional = readTx.read(TestModel.OUTER_LIST_PATH).get(5, TimeUnit.SECONDS);
+ assertEquals("isPresent", true, optional.isPresent());
+ assertEquals("Data node", outerNode, optional.get());
+ }
+ }
+ };
+ }
+
+ @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());
+ }
+ }
+ };
+ }
+
+ @Test
+ public void testCreateChainedTransactionsInQuickSuccession() throws Exception {
+ new IntegrationTestKit(getSystem(), datastoreContextBuilder) {
+ {
+ try (AbstractDataStore dataStore = setupAbstractDataStore(
+ testParameter, "testCreateChainedTransactionsInQuickSuccession", "cars-1")) {
+
+ final ConcurrentDOMDataBroker broker = new ConcurrentDOMDataBroker(
+ ImmutableMap.<LogicalDatastoreType, DOMStore>builder()
+ .put(LogicalDatastoreType.CONFIGURATION, dataStore).build(),
+ MoreExecutors.directExecutor());
+
+ final TransactionChainListener listener = Mockito.mock(TransactionChainListener.class);
+ DOMTransactionChain txChain = broker.createTransactionChain(listener);
+
+ final List<CheckedFuture<Void, TransactionCommitFailedException>> futures = new ArrayList<>();
+
+ final DOMDataWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
+ writeTx.put(LogicalDatastoreType.CONFIGURATION, CarsModel.BASE_PATH, CarsModel.emptyContainer());
+ writeTx.put(LogicalDatastoreType.CONFIGURATION, CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
+ futures.add(writeTx.submit());
+
+ int numCars = 100;
+ for (int i = 0; i < numCars; i++) {
+ final DOMDataReadWriteTransaction rwTx = txChain.newReadWriteTransaction();
+
+ rwTx.merge(LogicalDatastoreType.CONFIGURATION, CarsModel.newCarPath("car" + i),
+ CarsModel.newCarEntry("car" + i, BigInteger.valueOf(20000)));
+
+ futures.add(rwTx.submit());
+ }
+
+ for (final CheckedFuture<Void, TransactionCommitFailedException> f : futures) {
+ f.checkedGet();
+ }
+
+ final Optional<NormalizedNode<?, ?>> optional = txChain.newReadOnlyTransaction()
+ .read(LogicalDatastoreType.CONFIGURATION, CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS);
+ assertEquals("isPresent", true, optional.isPresent());
+ assertEquals("# cars", numCars, ((Collection<?>) optional.get().getValue()).size());
+
+ txChain.close();
+
+ broker.close();
+ }
+ }
+ };
+ }
+
+ @Test
+ public void testCreateChainedTransactionAfterEmptyTxReadied() throws Exception {
+ new IntegrationTestKit(getSystem(), datastoreContextBuilder) {
+ {
+ try (AbstractDataStore dataStore = setupAbstractDataStore(
+ testParameter, "testCreateChainedTransactionAfterEmptyTxReadied", "test-1")) {
+
+ final DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
+
+ final DOMStoreReadWriteTransaction rwTx1 = txChain.newReadWriteTransaction();
+
+ rwTx1.ready();
+
+ final DOMStoreReadWriteTransaction rwTx2 = txChain.newReadWriteTransaction();
+
+ final Optional<NormalizedNode<?, ?>> optional = rwTx2.read(TestModel.TEST_PATH).get(
+ 5, TimeUnit.SECONDS);
+ assertEquals("isPresent", false, optional.isPresent());
+
+ txChain.close();
+ }
+ }
+ };
+ }
+
+ @Test
+ public void testCreateChainedTransactionWhenPreviousNotReady() throws Exception {
+ new IntegrationTestKit(getSystem(), datastoreContextBuilder) {
+ {
+ try (AbstractDataStore dataStore = setupAbstractDataStore(
+ testParameter, "testCreateChainedTransactionWhenPreviousNotReady", "test-1")) {
+
+ final DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
+
+ final DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
+ assertNotNull("newWriteOnlyTransaction returned null", writeTx);
+
+ writeTx.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+
+ // Try to create another Tx of each type - each should fail
+ // b/c the previous Tx wasn't
+ // readied.
+ assertExceptionOnTxChainCreates(txChain, IllegalStateException.class);
+ }
+ }
+ };
+ }
+
+ @Test
+ public void testCreateChainedTransactionAfterClose() throws Exception {
+ new IntegrationTestKit(getSystem(), datastoreContextBuilder) {
+ {
+ try (AbstractDataStore dataStore = setupAbstractDataStore(
+ testParameter, "testCreateChainedTransactionAfterClose", "test-1")) {
+
+ final DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
+ txChain.close();
+
+ // Try to create another Tx of each type - should fail b/c
+ // the previous Tx was closed.
+ assertExceptionOnTxChainCreates(txChain, TransactionChainClosedException.class);
+ }
+ }
+ };
+ }
+
+ @Test
+ public void testChainWithReadOnlyTxAfterPreviousReady() throws Exception {
+ new IntegrationTestKit(getSystem(), datastoreContextBuilder) {
+ {
+ try (AbstractDataStore dataStore = setupAbstractDataStore(
+ testParameter, "testChainWithReadOnlyTxAfterPreviousReady", "test-1")) {
+
+ final DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
+
+ // Create a write tx and submit.
+ final DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
+ writeTx.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+ final DOMStoreThreePhaseCommitCohort cohort1 = writeTx.ready();
+
+ // Create read-only tx's and issue a read.
+ CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> readFuture1 = txChain
+ .newReadOnlyTransaction().read(TestModel.TEST_PATH);
+
+ CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> readFuture2 = txChain
+ .newReadOnlyTransaction().read(TestModel.TEST_PATH);
+
+ // Create another write tx and issue the write.
+ DOMStoreWriteTransaction writeTx2 = txChain.newWriteOnlyTransaction();
+ writeTx2.write(TestModel.OUTER_LIST_PATH,
+ ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME).build());
+
+ // Ensure the reads succeed.
+
+ assertEquals("isPresent", true, readFuture1.checkedGet(5, TimeUnit.SECONDS).isPresent());
+ assertEquals("isPresent", true, readFuture2.checkedGet(5, TimeUnit.SECONDS).isPresent());
+
+ // Ensure the writes succeed.
+ DOMStoreThreePhaseCommitCohort cohort2 = writeTx2.ready();
+
+ doCommit(cohort1);
+ doCommit(cohort2);
+
+ assertEquals("isPresent", true, txChain.newReadOnlyTransaction().read(TestModel.OUTER_LIST_PATH)
+ .checkedGet(5, TimeUnit.SECONDS).isPresent());
+ }
+ }
+ };
+ }
+
+ @Test
+ public void testChainedTransactionFailureWithSingleShard() throws Exception {
+ new IntegrationTestKit(getSystem(), datastoreContextBuilder) {
+ {
+ try (AbstractDataStore dataStore = setupAbstractDataStore(
+ testParameter, "testChainedTransactionFailureWithSingleShard", "cars-1")) {
+
+ final ConcurrentDOMDataBroker broker = new ConcurrentDOMDataBroker(
+ ImmutableMap.<LogicalDatastoreType, DOMStore>builder()
+ .put(LogicalDatastoreType.CONFIGURATION, dataStore).build(),
+ MoreExecutors.directExecutor());
+
+ final TransactionChainListener listener = Mockito.mock(TransactionChainListener.class);
+ final DOMTransactionChain txChain = broker.createTransactionChain(listener);
+
+ final DOMDataReadWriteTransaction writeTx = txChain.newReadWriteTransaction();
+
+ writeTx.put(LogicalDatastoreType.CONFIGURATION, PeopleModel.BASE_PATH,
+ PeopleModel.emptyContainer());
+
+ final ContainerNode invalidData = ImmutableContainerNodeBuilder.create()
+ .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(CarsModel.BASE_QNAME))
+ .withChild(ImmutableNodes.leafNode(TestModel.JUNK_QNAME, "junk")).build();
+
+ writeTx.merge(LogicalDatastoreType.CONFIGURATION, CarsModel.BASE_PATH, invalidData);
+
+ try {
+ writeTx.submit().checkedGet(5, TimeUnit.SECONDS);
+ fail("Expected TransactionCommitFailedException");
+ } catch (final TransactionCommitFailedException e) {
+ // Expected