+ waitUntilLeader(shard);
+
+ final String transactionID = "tx1";
+ final BatchedModifications batched = new BatchedModifications(transactionID, DataStoreVersions.CURRENT_VERSION, null);
+ batched.setReady(true);
+ batched.setTotalMessagesSent(2);
+
+ shard.tell(batched, getRef());
+
+ final Failure failure = expectMsgClass(duration("5 seconds"), akka.actor.Status.Failure.class);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+
+ if(failure != null) {
+ throw failure.cause();
+ }
+ }};
+ }
+
+ @Test
+ public void testBatchedModificationsWithOperationFailure() throws Throwable {
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testBatchedModificationsWithOperationFailure");
+
+ waitUntilLeader(shard);
+
+ // Test merge with invalid data. An exception should occur when the merge is applied. Note that
+ // write will not validate the children for performance reasons.
+
+ String transactionID = "tx1";
+
+ ContainerNode invalidData = ImmutableContainerNodeBuilder.create().withNodeIdentifier(
+ new YangInstanceIdentifier.NodeIdentifier(TestModel.TEST_QNAME)).
+ withChild(ImmutableNodes.leafNode(TestModel.JUNK_QNAME, "junk")).build();
+
+ BatchedModifications batched = new BatchedModifications(transactionID, CURRENT_VERSION, null);
+ batched.addModification(new MergeModification(TestModel.TEST_PATH, invalidData));
+ shard.tell(batched, getRef());
+ Failure failure = expectMsgClass(duration("5 seconds"), akka.actor.Status.Failure.class);
+
+ Throwable cause = failure.cause();
+
+ batched = new BatchedModifications(transactionID, DataStoreVersions.CURRENT_VERSION, null);
+ batched.setReady(true);
+ batched.setTotalMessagesSent(2);
+
+ shard.tell(batched, getRef());
+
+ failure = expectMsgClass(duration("5 seconds"), akka.actor.Status.Failure.class);
+ assertEquals("Failure cause", cause, failure.cause());
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @SuppressWarnings("unchecked")
+ private static void verifyOuterListEntry(final TestActorRef<Shard> shard, final Object expIDValue) throws Exception {
+ final NormalizedNode<?, ?> outerList = readStore(shard, TestModel.OUTER_LIST_PATH);
+ assertNotNull(TestModel.OUTER_LIST_QNAME.getLocalName() + " not found", outerList);
+ assertTrue(TestModel.OUTER_LIST_QNAME.getLocalName() + " value is not Iterable",
+ outerList.getValue() instanceof Iterable);
+ final Object entry = ((Iterable<Object>)outerList.getValue()).iterator().next();
+ assertTrue(TestModel.OUTER_LIST_QNAME.getLocalName() + " entry is not MapEntryNode",
+ entry instanceof MapEntryNode);
+ final MapEntryNode mapEntry = (MapEntryNode)entry;
+ final Optional<DataContainerChild<? extends PathArgument, ?>> idLeaf =
+ mapEntry.getChild(new YangInstanceIdentifier.NodeIdentifier(TestModel.ID_QNAME));
+ assertTrue("Missing leaf " + TestModel.ID_QNAME.getLocalName(), idLeaf.isPresent());
+ assertEquals(TestModel.ID_QNAME.getLocalName() + " value", expIDValue, idLeaf.get().getValue());
+ }
+
+ @Test
+ public void testBatchedModificationsOnTransactionChain() throws Throwable {
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testBatchedModificationsOnTransactionChain");
+
+ waitUntilLeader(shard);
+
+ final String transactionChainID = "txChain";
+ final String transactionID1 = "tx1";
+ final String transactionID2 = "tx2";
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ // Send a BatchedModifications to start a chained write transaction and ready it.
+
+ final ContainerNode containerNode = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
+ final YangInstanceIdentifier path = TestModel.TEST_PATH;
+ shard.tell(newBatchedModifications(transactionID1, transactionChainID, path,
+ containerNode, true, false, 1), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // Create a read Tx on the same chain.
+
+ shard.tell(new CreateTransaction(transactionID2, TransactionType.READ_ONLY.ordinal() ,
+ transactionChainID).toSerializable(), getRef());
+
+ final CreateTransactionReply createReply = expectMsgClass(duration("3 seconds"), CreateTransactionReply.class);
+
+ getSystem().actorSelection(createReply.getTransactionActorPath()).tell(new ReadData(path), getRef());
+ final ReadDataReply readReply = expectMsgClass(duration("3 seconds"), ReadDataReply.class);
+ assertEquals("Read node", containerNode, readReply.getNormalizedNode());
+
+ // Commit the write transaction.
+
+ shard.tell(new CanCommitTransaction(transactionID1).toSerializable(), getRef());
+ final CanCommitTransactionReply canCommitReply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("Can commit", true, canCommitReply.getCanCommit());
+
+ shard.tell(new CommitTransaction(transactionID1).toSerializable(), getRef());
+ expectMsgClass(duration, CommitTransactionReply.SERIALIZABLE_CLASS);
+
+ // Verify data in the data store.
+
+ final NormalizedNode<?, ?> actualNode = readStore(shard, path);
+ assertEquals("Stored node", containerNode, actualNode);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testOnBatchedModificationsWhenNotLeader() {
+ final AtomicBoolean overrideLeaderCalls = new AtomicBoolean();
+ new ShardTestKit(getSystem()) {{
+ final Creator<Shard> creator = new Creator<Shard>() {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public Shard create() throws Exception {
+ return new Shard(newShardBuilder()) {
+ @Override
+ protected boolean isLeader() {
+ return overrideLeaderCalls.get() ? false : super.isLeader();
+ }
+
+ @Override
+ protected ActorSelection getLeader() {
+ return overrideLeaderCalls.get() ? getSystem().actorSelection(getRef().path()) :
+ super.getLeader();
+ }
+ };
+ }
+ };
+
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ Props.create(new DelegatingShardCreator(creator)), "testOnBatchedModificationsWhenNotLeader");
+
+ waitUntilLeader(shard);
+
+ overrideLeaderCalls.set(true);
+
+ final BatchedModifications batched = new BatchedModifications("tx", DataStoreVersions.CURRENT_VERSION, "");
+
+ shard.tell(batched, ActorRef.noSender());
+
+ expectMsgEquals(batched);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testForwardedReadyTransactionWithImmediateCommit() throws Exception{
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testForwardedReadyTransactionWithImmediateCommit");
+
+ waitUntilLeader(shard);
+
+ final ShardDataTree dataStore = shard.underlyingActor().getDataStore();
+
+ final String transactionID = "tx1";
+ final MutableCompositeModification modification = new MutableCompositeModification();
+ final NormalizedNode<?, ?> containerNode = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
+ final ShardDataTreeCohort cohort = setupMockWriteTransaction("cohort", dataStore,
+ TestModel.TEST_PATH, containerNode, modification);
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ // Simulate the ForwardedReadyTransaction messages that would be sent
+ // by the ShardTransaction.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID, CURRENT_VERSION,
+ cohort, modification, true, true), getRef());
+
+ expectMsgClass(duration, ThreePhaseCommitCohortMessages.CommitTransactionReply.class);
+
+ final InOrder inOrder = inOrder(cohort);
+ inOrder.verify(cohort).canCommit();
+ inOrder.verify(cohort).preCommit();
+ inOrder.verify(cohort).commit();
+
+ final NormalizedNode<?, ?> actualNode = readStore(shard, TestModel.TEST_PATH);
+ assertEquals(TestModel.TEST_QNAME.getLocalName(), containerNode, actualNode);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testReadyLocalTransactionWithImmediateCommit() throws Exception{
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testReadyLocalTransactionWithImmediateCommit");
+
+ waitUntilLeader(shard);
+
+ final ShardDataTree dataStore = shard.underlyingActor().getDataStore();
+
+ final DataTreeModification modification = dataStore.newModification();
+
+ final ContainerNode writeData = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
+ new WriteModification(TestModel.TEST_PATH, writeData).apply(modification);
+ final MapNode mergeData = ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME).build();
+ new MergeModification(TestModel.OUTER_LIST_PATH, mergeData).apply(modification);
+
+ final String txId = "tx1";
+ modification.ready();
+ final ReadyLocalTransaction readyMessage = new ReadyLocalTransaction(txId, modification, true);
+
+ shard.tell(readyMessage, getRef());
+
+ expectMsgClass(CommitTransactionReply.SERIALIZABLE_CLASS);
+
+ final NormalizedNode<?, ?> actualNode = readStore(shard, TestModel.OUTER_LIST_PATH);
+ assertEquals(TestModel.OUTER_LIST_QNAME.getLocalName(), mergeData, actualNode);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testReadyLocalTransactionWithThreePhaseCommit() throws Exception{
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testReadyLocalTransactionWithThreePhaseCommit");
+
+ waitUntilLeader(shard);
+
+ final ShardDataTree dataStore = shard.underlyingActor().getDataStore();
+
+ final DataTreeModification modification = dataStore.newModification();
+
+ final ContainerNode writeData = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
+ new WriteModification(TestModel.TEST_PATH, writeData).apply(modification);
+ final MapNode mergeData = ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME).build();
+ new MergeModification(TestModel.OUTER_LIST_PATH, mergeData).apply(modification);
+
+ final String txId = "tx1";
+ modification.ready();
+ final ReadyLocalTransaction readyMessage = new ReadyLocalTransaction(txId, modification, false);
+
+ shard.tell(readyMessage, getRef());
+
+ expectMsgClass(ReadyTransactionReply.class);
+
+ // Send the CanCommitTransaction message.
+
+ shard.tell(new CanCommitTransaction(txId).toSerializable(), getRef());
+ final CanCommitTransactionReply canCommitReply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("Can commit", true, canCommitReply.getCanCommit());
+
+ // Send the CanCommitTransaction message.
+
+ shard.tell(new CommitTransaction(txId).toSerializable(), getRef());
+ expectMsgClass(CommitTransactionReply.SERIALIZABLE_CLASS);
+
+ final NormalizedNode<?, ?> actualNode = readStore(shard, TestModel.OUTER_LIST_PATH);
+ assertEquals(TestModel.OUTER_LIST_QNAME.getLocalName(), mergeData, actualNode);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testCommitWithPersistenceDisabled() throws Throwable {
+ dataStoreContextBuilder.persistent(false);
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testCommitWithPersistenceDisabled");
+
+ waitUntilLeader(shard);
+
+ final ShardDataTree dataStore = shard.underlyingActor().getDataStore();
+
+ // Setup a simulated transactions with a mock cohort.
+
+ final String transactionID = "tx";
+ final MutableCompositeModification modification = new MutableCompositeModification();
+ final NormalizedNode<?, ?> containerNode = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
+ final ShardDataTreeCohort cohort = setupMockWriteTransaction("cohort", dataStore,
+ TestModel.TEST_PATH, containerNode, modification);
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ // Simulate the ForwardedReadyTransaction messages that would be sent
+ // by the ShardTransaction.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID, CURRENT_VERSION,
+ cohort, modification, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // Send the CanCommitTransaction message.
+
+ shard.tell(new CanCommitTransaction(transactionID).toSerializable(), getRef());
+ final CanCommitTransactionReply canCommitReply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("Can commit", true, canCommitReply.getCanCommit());
+
+ // Send the CanCommitTransaction message.
+
+ shard.tell(new CommitTransaction(transactionID).toSerializable(), getRef());
+ expectMsgClass(duration, CommitTransactionReply.SERIALIZABLE_CLASS);
+
+ final InOrder inOrder = inOrder(cohort);
+ inOrder.verify(cohort).canCommit();
+ inOrder.verify(cohort).preCommit();
+ inOrder.verify(cohort).commit();
+
+ final NormalizedNode<?, ?> actualNode = readStore(shard, TestModel.TEST_PATH);
+ assertEquals(TestModel.TEST_QNAME.getLocalName(), containerNode, actualNode);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ private static DataTreeCandidateTip mockCandidate(final String name) {
+ final DataTreeCandidateTip mockCandidate = mock(DataTreeCandidateTip.class, name);
+ final DataTreeCandidateNode mockCandidateNode = mock(DataTreeCandidateNode.class, name + "-node");
+ doReturn(ModificationType.WRITE).when(mockCandidateNode).getModificationType();
+ doReturn(Optional.of(ImmutableNodes.containerNode(CARS_QNAME))).when(mockCandidateNode).getDataAfter();
+ doReturn(YangInstanceIdentifier.builder().build()).when(mockCandidate).getRootPath();
+ doReturn(mockCandidateNode).when(mockCandidate).getRootNode();
+ return mockCandidate;
+ }
+
+ private static DataTreeCandidateTip mockUnmodifiedCandidate(final String name) {
+ final DataTreeCandidateTip mockCandidate = mock(DataTreeCandidateTip.class, name);
+ final DataTreeCandidateNode mockCandidateNode = mock(DataTreeCandidateNode.class, name + "-node");
+ doReturn(ModificationType.UNMODIFIED).when(mockCandidateNode).getModificationType();
+ doReturn(YangInstanceIdentifier.builder().build()).when(mockCandidate).getRootPath();
+ doReturn(mockCandidateNode).when(mockCandidate).getRootNode();
+ return mockCandidate;
+ }
+
+ @Test
+ public void testCommitWhenTransactionHasNoModifications(){
+ // Note that persistence is enabled which would normally result in the entry getting written to the journal
+ // but here that need not happen
+ new ShardTestKit(getSystem()) {
+ {
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testCommitWhenTransactionHasNoModifications");
+
+ waitUntilLeader(shard);
+
+ final String transactionID = "tx1";
+ final MutableCompositeModification modification = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort = mock(ShardDataTreeCohort.class, "cohort1");
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort).canCommit();
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort).preCommit();
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort).commit();
+ doReturn(mockUnmodifiedCandidate("cohort1-candidate")).when(cohort).getCandidate();
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ // Simulate the ForwardedReadyTransaction messages that would be sent
+ // by the ShardTransaction.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID, CURRENT_VERSION,
+ cohort, modification, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // Send the CanCommitTransaction message.
+
+ shard.tell(new CanCommitTransaction(transactionID).toSerializable(), getRef());
+ final CanCommitTransactionReply canCommitReply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("Can commit", true, canCommitReply.getCanCommit());
+
+ shard.tell(new CommitTransaction(transactionID).toSerializable(), getRef());
+ expectMsgClass(duration, ThreePhaseCommitCohortMessages.CommitTransactionReply.class);
+
+ final InOrder inOrder = inOrder(cohort);
+ inOrder.verify(cohort).canCommit();
+ inOrder.verify(cohort).preCommit();
+ inOrder.verify(cohort).commit();
+
+ shard.tell(Shard.GET_SHARD_MBEAN_MESSAGE, getRef());
+ final ShardStats shardStats = expectMsgClass(duration, ShardStats.class);
+
+ // Use MBean for verification
+ // Committed transaction count should increase as usual
+ assertEquals(1,shardStats.getCommittedTransactionsCount());
+
+ // Commit index should not advance because this does not go into the journal
+ assertEquals(-1, shardStats.getCommitIndex());
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+
+ }
+ };
+ }
+
+ @Test
+ public void testCommitWhenTransactionHasModifications(){
+ new ShardTestKit(getSystem()) {
+ {
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testCommitWhenTransactionHasModifications");
+
+ waitUntilLeader(shard);
+
+ final String transactionID = "tx1";
+ final MutableCompositeModification modification = new MutableCompositeModification();
+ modification.addModification(new DeleteModification(YangInstanceIdentifier.builder().build()));
+ final ShardDataTreeCohort cohort = mock(ShardDataTreeCohort.class, "cohort1");
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort).canCommit();
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort).preCommit();
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort).commit();
+ doReturn(mockCandidate("cohort1-candidate")).when(cohort).getCandidate();
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ // Simulate the ForwardedReadyTransaction messages that would be sent
+ // by the ShardTransaction.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID, CURRENT_VERSION,
+ cohort, modification, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // Send the CanCommitTransaction message.
+
+ shard.tell(new CanCommitTransaction(transactionID).toSerializable(), getRef());
+ final CanCommitTransactionReply canCommitReply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("Can commit", true, canCommitReply.getCanCommit());
+
+ shard.tell(new CommitTransaction(transactionID).toSerializable(), getRef());
+ expectMsgClass(duration, ThreePhaseCommitCohortMessages.CommitTransactionReply.class);
+
+ final InOrder inOrder = inOrder(cohort);
+ inOrder.verify(cohort).canCommit();
+ inOrder.verify(cohort).preCommit();
+ inOrder.verify(cohort).commit();
+
+ shard.tell(Shard.GET_SHARD_MBEAN_MESSAGE, getRef());
+ final ShardStats shardStats = expectMsgClass(duration, ShardStats.class);
+
+ // Use MBean for verification
+ // Committed transaction count should increase as usual
+ assertEquals(1, shardStats.getCommittedTransactionsCount());
+
+ // Commit index should advance as we do not have an empty modification
+ assertEquals(0, shardStats.getCommitIndex());
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+
+ }
+ };
+ }
+
+ @Test
+ public void testCommitPhaseFailure() throws Throwable {
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testCommitPhaseFailure");
+
+ waitUntilLeader(shard);
+
+ // Setup 2 simulated transactions with mock cohorts. The first one fails in the
+ // commit phase.
+
+ final String transactionID1 = "tx1";
+ final MutableCompositeModification modification1 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort1 = mock(ShardDataTreeCohort.class, "cohort1");
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort1).canCommit();
+ doReturn(Futures.immediateFuture(null)).when(cohort1).preCommit();
+ doReturn(Futures.immediateFailedFuture(new IllegalStateException("mock"))).when(cohort1).commit();
+ doReturn(mockCandidate("cohort1-candidate")).when(cohort1).getCandidate();
+
+ final String transactionID2 = "tx2";
+ final MutableCompositeModification modification2 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort2 = mock(ShardDataTreeCohort.class, "cohort2");
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort2).canCommit();
+
+ final FiniteDuration duration = duration("5 seconds");
+ final Timeout timeout = new Timeout(duration);
+
+ // Simulate the ForwardedReadyTransaction messages that would be sent
+ // by the ShardTransaction.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID1, CURRENT_VERSION,
+ cohort1, modification1, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ shard.tell(new ForwardedReadyTransaction(transactionID2, CURRENT_VERSION,
+ cohort2, modification2, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // Send the CanCommitTransaction message for the first Tx.
+
+ shard.tell(new CanCommitTransaction(transactionID1).toSerializable(), getRef());
+ final CanCommitTransactionReply canCommitReply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("Can commit", true, canCommitReply.getCanCommit());
+
+ // Send the CanCommitTransaction message for the 2nd Tx. This should get queued and
+ // processed after the first Tx completes.
+
+ final Future<Object> canCommitFuture = Patterns.ask(shard,
+ new CanCommitTransaction(transactionID2).toSerializable(), timeout);
+
+ // Send the CommitTransaction message for the first Tx. This should send back an error
+ // and trigger the 2nd Tx to proceed.
+
+ shard.tell(new CommitTransaction(transactionID1).toSerializable(), getRef());
+ expectMsgClass(duration, akka.actor.Status.Failure.class);
+
+ // Wait for the 2nd Tx to complete the canCommit phase.
+
+ final CountDownLatch latch = new CountDownLatch(1);
+ canCommitFuture.onComplete(new OnComplete<Object>() {
+ @Override
+ public void onComplete(final Throwable t, final Object resp) {
+ latch.countDown();
+ }
+ }, getSystem().dispatcher());
+
+ assertEquals("2nd CanCommit complete", true, latch.await(5, TimeUnit.SECONDS));
+
+ final InOrder inOrder = inOrder(cohort1, cohort2);
+ inOrder.verify(cohort1).canCommit();
+ inOrder.verify(cohort1).preCommit();
+ inOrder.verify(cohort1).commit();
+ inOrder.verify(cohort2).canCommit();
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testPreCommitPhaseFailure() throws Throwable {
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testPreCommitPhaseFailure");
+
+ waitUntilLeader(shard);
+
+ final String transactionID1 = "tx1";
+ final MutableCompositeModification modification1 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort1 = mock(ShardDataTreeCohort.class, "cohort1");
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort1).canCommit();
+ doReturn(Futures.immediateFailedFuture(new IllegalStateException("mock"))).when(cohort1).preCommit();
+
+ final String transactionID2 = "tx2";
+ final MutableCompositeModification modification2 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort2 = mock(ShardDataTreeCohort.class, "cohort2");
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort2).canCommit();
+
+ final FiniteDuration duration = duration("5 seconds");
+ final Timeout timeout = new Timeout(duration);
+
+ // Simulate the ForwardedReadyTransaction messages that would be sent
+ // by the ShardTransaction.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID1, CURRENT_VERSION,
+ cohort1, modification1, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ shard.tell(new ForwardedReadyTransaction(transactionID2, CURRENT_VERSION,
+ cohort2, modification2, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // Send the CanCommitTransaction message for the first Tx.
+
+ shard.tell(new CanCommitTransaction(transactionID1).toSerializable(), getRef());
+ final CanCommitTransactionReply canCommitReply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("Can commit", true, canCommitReply.getCanCommit());
+
+ // Send the CanCommitTransaction message for the 2nd Tx. This should get queued and
+ // processed after the first Tx completes.
+
+ final Future<Object> canCommitFuture = Patterns.ask(shard,
+ new CanCommitTransaction(transactionID2).toSerializable(), timeout);
+
+ // Send the CommitTransaction message for the first Tx. This should send back an error
+ // and trigger the 2nd Tx to proceed.
+
+ shard.tell(new CommitTransaction(transactionID1).toSerializable(), getRef());
+ expectMsgClass(duration, akka.actor.Status.Failure.class);
+
+ // Wait for the 2nd Tx to complete the canCommit phase.
+
+ final CountDownLatch latch = new CountDownLatch(1);
+ canCommitFuture.onComplete(new OnComplete<Object>() {
+ @Override
+ public void onComplete(final Throwable t, final Object resp) {
+ latch.countDown();
+ }
+ }, getSystem().dispatcher());
+
+ assertEquals("2nd CanCommit complete", true, latch.await(5, TimeUnit.SECONDS));
+
+ final InOrder inOrder = inOrder(cohort1, cohort2);
+ inOrder.verify(cohort1).canCommit();
+ inOrder.verify(cohort1).preCommit();
+ inOrder.verify(cohort2).canCommit();
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testCanCommitPhaseFailure() throws Throwable {
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testCanCommitPhaseFailure");
+
+ waitUntilLeader(shard);
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ final String transactionID1 = "tx1";
+ final MutableCompositeModification modification = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort = mock(ShardDataTreeCohort.class, "cohort1");
+ doReturn(Futures.immediateFailedFuture(new IllegalStateException("mock"))).when(cohort).canCommit();
+
+ // Simulate the ForwardedReadyTransaction messages that would be sent
+ // by the ShardTransaction.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID1, CURRENT_VERSION,
+ cohort, modification, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // Send the CanCommitTransaction message.
+
+ shard.tell(new CanCommitTransaction(transactionID1).toSerializable(), getRef());
+ expectMsgClass(duration, akka.actor.Status.Failure.class);
+
+ // Send another can commit to ensure the failed one got cleaned up.
+
+ reset(cohort);
+
+ final String transactionID2 = "tx2";
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort).canCommit();
+
+ shard.tell(new ForwardedReadyTransaction(transactionID2, CURRENT_VERSION,
+ cohort, modification, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ shard.tell(new CanCommitTransaction(transactionID2).toSerializable(), getRef());
+ final CanCommitTransactionReply reply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("getCanCommit", true, reply.getCanCommit());
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testCanCommitPhaseFalseResponse() throws Throwable {
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testCanCommitPhaseFalseResponse");
+
+ waitUntilLeader(shard);
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ final String transactionID1 = "tx1";
+ final MutableCompositeModification modification = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort = mock(ShardDataTreeCohort.class, "cohort1");
+ doReturn(Futures.immediateFuture(Boolean.FALSE)).when(cohort).canCommit();
+
+ // Simulate the ForwardedReadyTransaction messages that would be sent
+ // by the ShardTransaction.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID1, CURRENT_VERSION,
+ cohort, modification, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // Send the CanCommitTransaction message.
+
+ shard.tell(new CanCommitTransaction(transactionID1).toSerializable(), getRef());
+ CanCommitTransactionReply reply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("getCanCommit", false, reply.getCanCommit());
+
+ // Send another can commit to ensure the failed one got cleaned up.
+
+ reset(cohort);
+
+ final String transactionID2 = "tx2";
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort).canCommit();
+
+ shard.tell(new ForwardedReadyTransaction(transactionID2, CURRENT_VERSION,
+ cohort, modification, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ shard.tell(new CanCommitTransaction(transactionID2).toSerializable(), getRef());
+ reply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("getCanCommit", true, reply.getCanCommit());
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testImmediateCommitWithCanCommitPhaseFailure() throws Throwable {
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testImmediateCommitWithCanCommitPhaseFailure");
+
+ waitUntilLeader(shard);
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ final String transactionID1 = "tx1";
+ final MutableCompositeModification modification = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort = mock(ShardDataTreeCohort.class, "cohort1");
+ doReturn(Futures.immediateFailedFuture(new IllegalStateException("mock"))).when(cohort).canCommit();
+
+ // Simulate the ForwardedReadyTransaction messages that would be sent
+ // by the ShardTransaction.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID1, CURRENT_VERSION,
+ cohort, modification, true, true), getRef());
+
+ expectMsgClass(duration, akka.actor.Status.Failure.class);
+
+ // Send another can commit to ensure the failed one got cleaned up.
+
+ reset(cohort);
+
+ final String transactionID2 = "tx2";
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort).canCommit();
+ doReturn(Futures.immediateFuture(null)).when(cohort).preCommit();
+ doReturn(Futures.immediateFuture(null)).when(cohort).commit();
+ final DataTreeCandidateTip candidate = mock(DataTreeCandidateTip.class);
+ final DataTreeCandidateNode candidateRoot = mock(DataTreeCandidateNode.class);
+ doReturn(ModificationType.UNMODIFIED).when(candidateRoot).getModificationType();
+ doReturn(candidateRoot).when(candidate).getRootNode();
+ doReturn(candidate).when(cohort).getCandidate();
+
+ shard.tell(new ForwardedReadyTransaction(transactionID2, CURRENT_VERSION,
+ cohort, modification, true, true), getRef());
+
+ expectMsgClass(duration, CommitTransactionReply.SERIALIZABLE_CLASS);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testImmediateCommitWithCanCommitPhaseFalseResponse() throws Throwable {
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testImmediateCommitWithCanCommitPhaseFalseResponse");
+
+ waitUntilLeader(shard);
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ final String transactionID = "tx1";
+ final MutableCompositeModification modification = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort = mock(ShardDataTreeCohort.class, "cohort1");
+ doReturn(Futures.immediateFuture(Boolean.FALSE)).when(cohort).canCommit();
+
+ // Simulate the ForwardedReadyTransaction messages that would be sent
+ // by the ShardTransaction.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID, CURRENT_VERSION,
+ cohort, modification, true, true), getRef());
+
+ expectMsgClass(duration, akka.actor.Status.Failure.class);
+
+ // Send another can commit to ensure the failed one got cleaned up.
+
+ reset(cohort);
+
+ final String transactionID2 = "tx2";
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort).canCommit();
+ doReturn(Futures.immediateFuture(null)).when(cohort).preCommit();
+ doReturn(Futures.immediateFuture(null)).when(cohort).commit();
+ final DataTreeCandidateTip candidate = mock(DataTreeCandidateTip.class);
+ final DataTreeCandidateNode candidateRoot = mock(DataTreeCandidateNode.class);
+ doReturn(ModificationType.UNMODIFIED).when(candidateRoot).getModificationType();
+ doReturn(candidateRoot).when(candidate).getRootNode();
+ doReturn(candidate).when(cohort).getCandidate();
+
+ shard.tell(new ForwardedReadyTransaction(transactionID2, CURRENT_VERSION,
+ cohort, modification, true, true), getRef());
+
+ expectMsgClass(duration, CommitTransactionReply.SERIALIZABLE_CLASS);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testAbortBeforeFinishCommit() throws Throwable {
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testAbortBeforeFinishCommit");
+
+ waitUntilLeader(shard);
+
+ final FiniteDuration duration = duration("5 seconds");
+ final ShardDataTree dataStore = shard.underlyingActor().getDataStore();
+
+ final String transactionID = "tx1";
+ final Function<ShardDataTreeCohort, ListenableFuture<Void>> preCommit =
+ new Function<ShardDataTreeCohort, ListenableFuture<Void>>() {
+ @Override
+ public ListenableFuture<Void> apply(final ShardDataTreeCohort cohort) {
+ final ListenableFuture<Void> preCommitFuture = cohort.preCommit();
+
+ // Simulate an AbortTransaction message occurring during replication, after
+ // persisting and before finishing the commit to the in-memory store.
+ // We have no followers so due to optimizations in the RaftActor, it does not
+ // attempt replication and thus we can't send an AbortTransaction message b/c
+ // it would be processed too late after CommitTransaction completes. So we'll
+ // simulate an AbortTransaction message occurring during replication by calling
+ // the shard directly.
+ //
+ shard.underlyingActor().doAbortTransaction(transactionID, null);
+
+ return preCommitFuture;
+ }
+ };
+
+ final MutableCompositeModification modification = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort = setupMockWriteTransaction("cohort1", dataStore,
+ TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME),
+ modification, preCommit);
+
+ shard.tell(new ForwardedReadyTransaction(transactionID, CURRENT_VERSION,
+ cohort, modification, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ shard.tell(new CanCommitTransaction(transactionID).toSerializable(), getRef());
+ final CanCommitTransactionReply canCommitReply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("Can commit", true, canCommitReply.getCanCommit());
+
+ shard.tell(new CommitTransaction(transactionID).toSerializable(), getRef());
+ expectMsgClass(duration, CommitTransactionReply.SERIALIZABLE_CLASS);
+
+ final NormalizedNode<?, ?> node = readStore(shard, TestModel.TEST_PATH);
+
+ // Since we're simulating an abort occurring during replication and before finish commit,
+ // the data should still get written to the in-memory store since we've gotten past
+ // canCommit and preCommit and persisted the data.
+ assertNotNull(TestModel.TEST_QNAME.getLocalName() + " not found", node);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testTransactionCommitTimeout() throws Throwable {
+ dataStoreContextBuilder.shardTransactionCommitTimeoutInSeconds(1);
+
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testTransactionCommitTimeout");
+
+ waitUntilLeader(shard);
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ final ShardDataTree dataStore = shard.underlyingActor().getDataStore();
+
+ writeToStore(shard, TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+ writeToStore(shard, TestModel.OUTER_LIST_PATH,
+ ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME).build());
+
+ // Create 1st Tx - will timeout
+
+ final String transactionID1 = "tx1";
+ final MutableCompositeModification modification1 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort1 = setupMockWriteTransaction("cohort1", dataStore,
+ YangInstanceIdentifier.builder(TestModel.OUTER_LIST_PATH)
+ .nodeWithKey(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1).build(),
+ ImmutableNodes.mapEntry(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1),
+ modification1);
+
+ // Create 2nd Tx
+
+ final String transactionID2 = "tx3";
+ final MutableCompositeModification modification2 = new MutableCompositeModification();
+ final YangInstanceIdentifier listNodePath = YangInstanceIdentifier.builder(TestModel.OUTER_LIST_PATH)
+ .nodeWithKey(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 2).build();
+ final ShardDataTreeCohort cohort2 = setupMockWriteTransaction("cohort3", dataStore,
+ listNodePath,
+ ImmutableNodes.mapEntry(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 2),
+ modification2);
+
+ // Ready the Tx's
+
+ shard.tell(new ForwardedReadyTransaction(transactionID1, CURRENT_VERSION,
+ cohort1, modification1, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ shard.tell(new ForwardedReadyTransaction(transactionID2, CURRENT_VERSION,
+ cohort2, modification2, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // canCommit 1st Tx. We don't send the commit so it should timeout.
+
+ shard.tell(new CanCommitTransaction(transactionID1).toSerializable(), getRef());
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS);
+
+ // canCommit the 2nd Tx - it should complete after the 1st Tx times out.
+
+ shard.tell(new CanCommitTransaction(transactionID2).toSerializable(), getRef());
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS);
+
+ // Try to commit the 1st Tx - should fail as it's not the current Tx.
+
+ shard.tell(new CommitTransaction(transactionID1).toSerializable(), getRef());
+ expectMsgClass(duration, akka.actor.Status.Failure.class);
+
+ // Commit the 2nd Tx.
+
+ shard.tell(new CommitTransaction(transactionID2).toSerializable(), getRef());
+ expectMsgClass(duration, CommitTransactionReply.SERIALIZABLE_CLASS);
+
+ final NormalizedNode<?, ?> node = readStore(shard, listNodePath);
+ assertNotNull(listNodePath + " not found", node);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testTransactionCommitQueueCapacityExceeded() throws Throwable {
+ dataStoreContextBuilder.shardTransactionCommitQueueCapacity(2);
+
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testTransactionCommitQueueCapacityExceeded");
+
+ waitUntilLeader(shard);
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ final ShardDataTree dataStore = shard.underlyingActor().getDataStore();
+
+ final String transactionID1 = "tx1";
+ final MutableCompositeModification modification1 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort1 = setupMockWriteTransaction("cohort1", dataStore,
+ TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME), modification1);
+
+ final String transactionID2 = "tx2";
+ final MutableCompositeModification modification2 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort2 = setupMockWriteTransaction("cohort2", dataStore,
+ TestModel.OUTER_LIST_PATH,
+ ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME).build(),
+ modification2);
+
+ final String transactionID3 = "tx3";
+ final MutableCompositeModification modification3 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort3 = setupMockWriteTransaction("cohort3", dataStore,
+ TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME), modification3);
+
+ // Ready the Tx's
+
+ shard.tell(new ForwardedReadyTransaction(transactionID1, CURRENT_VERSION,
+ cohort1, modification1, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ shard.tell(new ForwardedReadyTransaction(transactionID2, CURRENT_VERSION,
+ cohort2, modification2, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // The 3rd Tx should exceed queue capacity and fail.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID3, CURRENT_VERSION,
+ cohort3, modification3, true, false), getRef());
+ expectMsgClass(duration, akka.actor.Status.Failure.class);
+
+ // canCommit 1st Tx.
+
+ shard.tell(new CanCommitTransaction(transactionID1).toSerializable(), getRef());
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS);
+
+ // canCommit the 2nd Tx - it should get queued.
+
+ shard.tell(new CanCommitTransaction(transactionID2).toSerializable(), getRef());
+
+ // canCommit the 3rd Tx - should exceed queue capacity and fail.
+
+ shard.tell(new CanCommitTransaction(transactionID3).toSerializable(), getRef());
+ expectMsgClass(duration, akka.actor.Status.Failure.class);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testTransactionCommitWithPriorExpiredCohortEntries() throws Throwable {
+ dataStoreContextBuilder.shardCommitQueueExpiryTimeoutInMillis(1300).shardTransactionCommitTimeoutInSeconds(1);
+
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testTransactionCommitWithPriorExpiredCohortEntries");
+
+ waitUntilLeader(shard);
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ final ShardDataTree dataStore = shard.underlyingActor().getDataStore();
+
+ final String transactionID1 = "tx1";
+ final MutableCompositeModification modification1 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort1 = setupMockWriteTransaction("cohort1", dataStore,
+ TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME), modification1);
+
+ shard.tell(new ForwardedReadyTransaction(transactionID1, CURRENT_VERSION,
+ cohort1, modification1, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ final String transactionID2 = "tx2";
+ final MutableCompositeModification modification2 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort2 = setupMockWriteTransaction("cohort2", dataStore,
+ TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME), modification2);
+
+ shard.tell(new ForwardedReadyTransaction(transactionID2, CURRENT_VERSION,
+ cohort2, modification2, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ final String transactionID3 = "tx3";
+ final MutableCompositeModification modification3 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort3 = setupMockWriteTransaction("cohort3", dataStore,
+ TestModel.TEST2_PATH, ImmutableNodes.containerNode(TestModel.TEST2_QNAME), modification3);
+
+ shard.tell(new ForwardedReadyTransaction(transactionID3, CURRENT_VERSION,
+ cohort3, modification3, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // All Tx's are readied. We'll send canCommit for the last one but not the others. The others
+ // should expire from the queue and the last one should be processed.
+
+ shard.tell(new CanCommitTransaction(transactionID3).toSerializable(), getRef());
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testTransactionCommitWithSubsequentExpiredCohortEntry() throws Throwable {
+ dataStoreContextBuilder.shardCommitQueueExpiryTimeoutInMillis(1300).shardTransactionCommitTimeoutInSeconds(1);
+
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testTransactionCommitWithSubsequentExpiredCohortEntry");
+
+ waitUntilLeader(shard);
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ final ShardDataTree dataStore = shard.underlyingActor().getDataStore();
+
+ final String transactionID1 = "tx1";
+ final MutableCompositeModification modification1 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort1 = setupMockWriteTransaction("cohort1", dataStore,
+ TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME), modification1);
+
+ shard.tell(new ForwardedReadyTransaction(transactionID1, CURRENT_VERSION,
+ cohort1, modification1, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // CanCommit the first one so it's the current in-progress CohortEntry.
+
+ shard.tell(new CanCommitTransaction(transactionID1).toSerializable(), getRef());
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS);
+
+ // Ready the second Tx.
+
+ final String transactionID2 = "tx2";
+ final MutableCompositeModification modification2 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort2 = setupMockWriteTransaction("cohort2", dataStore,
+ TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME), modification2);
+
+ shard.tell(new ForwardedReadyTransaction(transactionID2, CURRENT_VERSION,
+ cohort2, modification2, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // Ready the third Tx.
+
+ final String transactionID3 = "tx3";
+ final DataTreeModification modification3 = dataStore.newModification();
+ new WriteModification(TestModel.TEST2_PATH, ImmutableNodes.containerNode(TestModel.TEST2_QNAME))
+ .apply(modification3);
+ modification3.ready();
+ final ReadyLocalTransaction readyMessage = new ReadyLocalTransaction(transactionID3, modification3, true);
+
+ shard.tell(readyMessage, getRef());
+
+ // Commit the first Tx. After completing, the second should expire from the queue and the third
+ // Tx committed.
+
+ shard.tell(new CommitTransaction(transactionID1).toSerializable(), getRef());
+ expectMsgClass(duration, CommitTransactionReply.SERIALIZABLE_CLASS);
+
+ // Expect commit reply from the third Tx.
+
+ expectMsgClass(duration, CommitTransactionReply.SERIALIZABLE_CLASS);
+
+ final NormalizedNode<?, ?> node = readStore(shard, TestModel.TEST2_PATH);
+ assertNotNull(TestModel.TEST2_PATH + " not found", node);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testCanCommitBeforeReadyFailure() throws Throwable {
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testCanCommitBeforeReadyFailure");
+
+ shard.tell(new CanCommitTransaction("tx").toSerializable(), getRef());
+ expectMsgClass(duration("5 seconds"), akka.actor.Status.Failure.class);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testAbortCurrentTransaction() throws Throwable {
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testAbortCurrentTransaction");
+
+ waitUntilLeader(shard);
+
+ // Setup 2 simulated transactions with mock cohorts. The first one will be aborted.
+
+ final String transactionID1 = "tx1";
+ final MutableCompositeModification modification1 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort1 = mock(ShardDataTreeCohort.class, "cohort1");
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort1).canCommit();
+ doReturn(Futures.immediateFuture(null)).when(cohort1).abort();
+
+ final String transactionID2 = "tx2";
+ final MutableCompositeModification modification2 = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort2 = mock(ShardDataTreeCohort.class, "cohort2");
+ doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort2).canCommit();
+
+ final FiniteDuration duration = duration("5 seconds");
+ final Timeout timeout = new Timeout(duration);
+
+ // Simulate the ForwardedReadyTransaction messages that would be sent
+ // by the ShardTransaction.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID1, CURRENT_VERSION,
+ cohort1, modification1, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ shard.tell(new ForwardedReadyTransaction(transactionID2, CURRENT_VERSION,
+ cohort2, modification2, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ // Send the CanCommitTransaction message for the first Tx.
+
+ shard.tell(new CanCommitTransaction(transactionID1).toSerializable(), getRef());
+ final CanCommitTransactionReply canCommitReply = CanCommitTransactionReply.fromSerializable(
+ expectMsgClass(duration, CanCommitTransactionReply.SERIALIZABLE_CLASS));
+ assertEquals("Can commit", true, canCommitReply.getCanCommit());
+
+ // Send the CanCommitTransaction message for the 2nd Tx. This should get queued and
+ // processed after the first Tx completes.
+
+ final Future<Object> canCommitFuture = Patterns.ask(shard,
+ new CanCommitTransaction(transactionID2).toSerializable(), timeout);
+
+ // Send the AbortTransaction message for the first Tx. This should trigger the 2nd
+ // Tx to proceed.
+
+ shard.tell(new AbortTransaction(transactionID1).toSerializable(), getRef());
+ expectMsgClass(duration, AbortTransactionReply.SERIALIZABLE_CLASS);
+
+ // Wait for the 2nd Tx to complete the canCommit phase.
+
+ Await.ready(canCommitFuture, duration);
+
+ final InOrder inOrder = inOrder(cohort1, cohort2);
+ inOrder.verify(cohort1).canCommit();
+ inOrder.verify(cohort2).canCommit();
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testAbortQueuedTransaction() throws Throwable {
+ dataStoreContextBuilder.shardTransactionCommitTimeoutInSeconds(1);
+ new ShardTestKit(getSystem()) {{
+ final AtomicReference<CountDownLatch> cleaupCheckLatch = new AtomicReference<>();
+ @SuppressWarnings("serial")
+ final Creator<Shard> creator = new Creator<Shard>() {
+ @Override
+ public Shard create() throws Exception {
+ return new Shard(newShardBuilder()) {
+ @Override
+ public void onReceiveCommand(final Object message) throws Exception {
+ super.onReceiveCommand(message);
+ if(message.equals(TX_COMMIT_TIMEOUT_CHECK_MESSAGE)) {
+ if(cleaupCheckLatch.get() != null) {
+ cleaupCheckLatch.get().countDown();
+ }
+ }
+ }
+ };
+ }
+ };
+
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ Props.create(new DelegatingShardCreator(creator)).withDispatcher(
+ Dispatchers.DefaultDispatcherId()), "testAbortQueuedTransaction");
+
+ waitUntilLeader(shard);
+
+ final String transactionID = "tx1";
+
+ final MutableCompositeModification modification = new MutableCompositeModification();
+ final ShardDataTreeCohort cohort = mock(ShardDataTreeCohort.class, "cohort");
+ doReturn(Futures.immediateFuture(null)).when(cohort).abort();
+
+ final FiniteDuration duration = duration("5 seconds");
+
+ // Ready the tx.
+
+ shard.tell(new ForwardedReadyTransaction(transactionID, CURRENT_VERSION,
+ cohort, modification, true, false), getRef());
+ expectMsgClass(duration, ReadyTransactionReply.class);
+
+ assertEquals("getPendingTxCommitQueueSize", 1, shard.underlyingActor().getPendingTxCommitQueueSize());
+
+ // Send the AbortTransaction message.
+
+ shard.tell(new AbortTransaction(transactionID).toSerializable(), getRef());
+ expectMsgClass(duration, AbortTransactionReply.SERIALIZABLE_CLASS);
+
+ verify(cohort).abort();
+
+ // Verify the tx cohort is removed from queue at the cleanup check interval.
+
+ cleaupCheckLatch.set(new CountDownLatch(1));
+ assertEquals("TX_COMMIT_TIMEOUT_CHECK_MESSAGE received", true,
+ cleaupCheckLatch.get().await(5, TimeUnit.SECONDS));
+
+ assertEquals("getPendingTxCommitQueueSize", 0, shard.underlyingActor().getPendingTxCommitQueueSize());
+
+ // Now send CanCommitTransaction - should fail.
+
+ shard.tell(new CanCommitTransaction(transactionID).toSerializable(), getRef());
+
+ Throwable failure = expectMsgClass(duration, akka.actor.Status.Failure.class).cause();
+ assertTrue("Failure type", failure instanceof IllegalStateException);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testCreateSnapshot() throws Exception {
+ testCreateSnapshot(true, "testCreateSnapshot");
+ }
+
+ @Test
+ public void testCreateSnapshotWithNonPersistentData() throws Exception {
+ testCreateSnapshot(false, "testCreateSnapshotWithNonPersistentData");
+ }
+
+ @SuppressWarnings("serial")
+ public void testCreateSnapshot(final boolean persistent, final String shardActorName) throws Exception{
+
+ final AtomicReference<CountDownLatch> latch = new AtomicReference<>(new CountDownLatch(1));
+
+ final AtomicReference<Object> savedSnapshot = new AtomicReference<>();
+ class TestPersistentDataProvider extends DelegatingPersistentDataProvider {
+ TestPersistentDataProvider(final DataPersistenceProvider delegate) {
+ super(delegate);
+ }
+
+ @Override
+ public void saveSnapshot(final Object o) {
+ savedSnapshot.set(o);
+ super.saveSnapshot(o);
+ }
+ }
+
+ dataStoreContextBuilder.persistent(persistent);
+
+ new ShardTestKit(getSystem()) {{
+ class TestShard extends Shard {
+
+ protected TestShard(AbstractBuilder<?, ?> builder) {
+ super(builder);
+ setPersistence(new TestPersistentDataProvider(super.persistence()));
+ }
+
+ @Override
+ public void handleCommand(final Object message) {
+ super.handleCommand(message);
+
+ if (message instanceof SaveSnapshotSuccess || message.equals("commit_snapshot")) {
+ latch.get().countDown();
+ }
+ }
+
+ @Override
+ public RaftActorContext getRaftActorContext() {
+ return super.getRaftActorContext();
+ }
+ }
+
+ final Creator<Shard> creator = new Creator<Shard>() {
+ @Override
+ public Shard create() throws Exception {
+ return new TestShard(newShardBuilder());
+ }
+ };
+
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ Props.create(new DelegatingShardCreator(creator)), shardActorName);
+
+ waitUntilLeader(shard);
+ writeToStore(shard, TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+
+ final NormalizedNode<?,?> expectedRoot = readStore(shard, YangInstanceIdentifier.builder().build());
+
+ // Trigger creation of a snapshot by ensuring
+ final RaftActorContext raftActorContext = ((TestShard) shard.underlyingActor()).getRaftActorContext();
+ raftActorContext.getSnapshotManager().capture(mock(ReplicatedLogEntry.class), -1);
+ awaitAndValidateSnapshot(expectedRoot);
+
+ raftActorContext.getSnapshotManager().capture(mock(ReplicatedLogEntry.class), -1);
+ awaitAndValidateSnapshot(expectedRoot);
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }
+
+ private void awaitAndValidateSnapshot(NormalizedNode<?,?> expectedRoot
+ ) throws InterruptedException {
+ System.out.println("Inside awaitAndValidateSnapshot {}" + savedSnapshot.get());
+ assertEquals("Snapshot saved", true, latch.get().await(5, TimeUnit.SECONDS));
+
+ assertTrue("Invalid saved snapshot " + savedSnapshot.get(),
+ savedSnapshot.get() instanceof Snapshot);
+
+ verifySnapshot((Snapshot)savedSnapshot.get(), expectedRoot);
+
+ latch.set(new CountDownLatch(1));
+ savedSnapshot.set(null);
+ }
+
+ private void verifySnapshot(final Snapshot snapshot, final NormalizedNode<?,?> expectedRoot) {
+
+ final NormalizedNode<?, ?> actual = SerializationUtils.deserializeNormalizedNode(snapshot.getState());
+ assertEquals("Root node", expectedRoot, actual);
+
+ }
+ };
+ }
+
+ /**
+ * This test simply verifies that the applySnapShot logic will work
+ * @throws ReadFailedException
+ * @throws DataValidationFailedException
+ */
+ @Test
+ public void testInMemoryDataTreeRestore() throws ReadFailedException, DataValidationFailedException {
+ final DataTree store = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
+ store.setSchemaContext(SCHEMA_CONTEXT);
+
+ final DataTreeModification putTransaction = store.takeSnapshot().newModification();
+ putTransaction.write(TestModel.TEST_PATH,
+ ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+ commitTransaction(store, putTransaction);
+
+
+ final NormalizedNode<?, ?> expected = readStore(store, YangInstanceIdentifier.builder().build());
+
+ final DataTreeModification writeTransaction = store.takeSnapshot().newModification();
+
+ writeTransaction.delete(YangInstanceIdentifier.builder().build());
+ writeTransaction.write(YangInstanceIdentifier.builder().build(), expected);
+
+ commitTransaction(store, writeTransaction);
+
+ final NormalizedNode<?, ?> actual = readStore(store, YangInstanceIdentifier.builder().build());
+
+ assertEquals(expected, actual);
+ }
+
+ @Test
+ public void testRecoveryApplicable(){
+
+ final DatastoreContext persistentContext = DatastoreContext.newBuilder().
+ shardJournalRecoveryLogBatchSize(3).shardSnapshotBatchCount(5000).persistent(true).build();
+
+ final Props persistentProps = Shard.builder().id(shardID).datastoreContext(persistentContext).
+ schemaContext(SCHEMA_CONTEXT).props();
+
+ final DatastoreContext nonPersistentContext = DatastoreContext.newBuilder().
+ shardJournalRecoveryLogBatchSize(3).shardSnapshotBatchCount(5000).persistent(false).build();
+
+ final Props nonPersistentProps = Shard.builder().id(shardID).datastoreContext(nonPersistentContext).
+ schemaContext(SCHEMA_CONTEXT).props();
+
+ new ShardTestKit(getSystem()) {{
+ final TestActorRef<Shard> shard1 = TestActorRef.create(getSystem(),
+ persistentProps, "testPersistence1");
+
+ assertTrue("Recovery Applicable", shard1.underlyingActor().persistence().isRecoveryApplicable());
+
+ shard1.tell(PoisonPill.getInstance(), ActorRef.noSender());
+
+ final TestActorRef<Shard> shard2 = TestActorRef.create(getSystem(),
+ nonPersistentProps, "testPersistence2");
+
+ assertFalse("Recovery Not Applicable", shard2.underlyingActor().persistence().isRecoveryApplicable());
+
+ shard2.tell(PoisonPill.getInstance(), ActorRef.noSender());
+
+ }};
+
+ }
+
+ @Test
+ public void testOnDatastoreContext() {
+ new ShardTestKit(getSystem()) {{
+ dataStoreContextBuilder.persistent(true);
+
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(), newShardProps(), "testOnDatastoreContext");
+
+ assertEquals("isRecoveryApplicable", true,
+ shard.underlyingActor().persistence().isRecoveryApplicable());
+
+ waitUntilLeader(shard);
+
+ shard.tell(dataStoreContextBuilder.persistent(false).build(), ActorRef.noSender());
+
+ assertEquals("isRecoveryApplicable", false,
+ shard.underlyingActor().persistence().isRecoveryApplicable());
+
+ shard.tell(dataStoreContextBuilder.persistent(true).build(), ActorRef.noSender());
+
+ assertEquals("isRecoveryApplicable", true,
+ shard.underlyingActor().persistence().isRecoveryApplicable());
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testRegisterRoleChangeListener() throws Exception {
+ new ShardTestKit(getSystem()) {
+ {
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testRegisterRoleChangeListener");
+
+ waitUntilLeader(shard);
+
+ final TestActorRef<MessageCollectorActor> listener =
+ TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class));
+
+ shard.tell(new RegisterRoleChangeListener(), listener);
+
+ MessageCollectorActor.expectFirstMatching(listener, RegisterRoleChangeListenerReply.class);
+
+ ShardLeaderStateChanged leaderStateChanged = MessageCollectorActor.expectFirstMatching(listener,
+ ShardLeaderStateChanged.class);
+ assertEquals("getLocalShardDataTree present", true,
+ leaderStateChanged.getLocalShardDataTree().isPresent());
+ assertSame("getLocalShardDataTree", shard.underlyingActor().getDataStore().getDataTree(),
+ leaderStateChanged.getLocalShardDataTree().get());
+
+ MessageCollectorActor.clearMessages(listener);
+
+ // Force a leader change
+
+ shard.tell(new RequestVote(10000, "member2", 50, 50), getRef());
+
+ leaderStateChanged = MessageCollectorActor.expectFirstMatching(listener,
+ ShardLeaderStateChanged.class);
+ assertEquals("getLocalShardDataTree present", false,
+ leaderStateChanged.getLocalShardDataTree().isPresent());
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }
+ };
+ }
+
+ @Test
+ public void testFollowerInitialSyncStatus() throws Exception {
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ "testFollowerInitialSyncStatus");
+
+ shard.underlyingActor().onReceiveCommand(new FollowerInitialSyncUpStatus(false, "member-1-shard-inventory-operational"));
+
+ assertEquals(false, shard.underlyingActor().getShardMBean().getFollowerInitialSyncStatus());
+
+ shard.underlyingActor().onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-inventory-operational"));
+
+ assertEquals(true, shard.underlyingActor().getShardMBean().getFollowerInitialSyncStatus());
+
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }
+
+ private static void commitTransaction(final DataTree store, final DataTreeModification modification) throws DataValidationFailedException {
+ modification.ready();
+ store.validate(modification);
+ store.commit(store.prepare(modification));
+ }
+
+ @Test
+ public void testClusteredDataChangeListernerDelayedRegistration() throws Exception {
+ new ShardTestKit(getSystem()) {{
+ dataStoreContextBuilder.persistent(false);
+ final CountDownLatch onFirstElectionTimeout = new CountDownLatch(1);
+ final CountDownLatch onChangeListenerRegistered = new CountDownLatch(1);
+ final Creator<Shard> creator = new Creator<Shard>() {
+ private static final long serialVersionUID = 1L;
+ boolean firstElectionTimeout = true;
+
+ @Override
+ public Shard create() throws Exception {
+ return new Shard(newShardBuilder()) {
+ @Override
+ public void onReceiveCommand(final Object message) throws Exception {
+ if(message instanceof ElectionTimeout && firstElectionTimeout) {
+ firstElectionTimeout = false;
+ final ActorRef self = getSelf();
+ new Thread() {
+ @Override
+ public void run() {
+ Uninterruptibles.awaitUninterruptibly(
+ onChangeListenerRegistered, 5, TimeUnit.SECONDS);
+ self.tell(message, self);
+ }
+ }.start();
+
+ onFirstElectionTimeout.countDown();
+ } else {
+ super.onReceiveCommand(message);
+ }
+ }
+ };
+ }
+ };
+
+ final MockDataChangeListener listener = new MockDataChangeListener(1);
+ final ActorRef dclActor = getSystem().actorOf(DataChangeListener.props(listener),
+ "testDataChangeListenerOnFollower-DataChangeListener");
+
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ Props.create(new DelegatingShardCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()).
+ withDispatcher(Dispatchers.DefaultDispatcherId()),"testDataChangeListenerOnFollower");
+
+ assertEquals("Got first ElectionTimeout", true,
+ onFirstElectionTimeout.await(5, TimeUnit.SECONDS));
+
+ shard.tell(new FindLeader(), getRef());
+ final FindLeaderReply findLeadeReply =
+ expectMsgClass(duration("5 seconds"), FindLeaderReply.class);
+ assertNull("Expected the shard not to be the leader", findLeadeReply.getLeaderActor());
+
+ final YangInstanceIdentifier path = TestModel.TEST_PATH;
+
+ shard.tell(new RegisterChangeListener(path, dclActor, AsyncDataBroker.DataChangeScope.BASE, true), getRef());
+ final RegisterChangeListenerReply reply = expectMsgClass(duration("5 seconds"),
+ RegisterChangeListenerReply.class);
+ assertNotNull("getListenerRegistratioznPath", reply.getListenerRegistrationPath());
+
+ writeToStore(shard, path, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+
+ onChangeListenerRegistered.countDown();
+
+ listener.waitForChangeEvents();
+
+ dclActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testClusteredDataChangeListernerRegistration() throws Exception {
+ dataStoreContextBuilder.persistent(false).build();
+ new ShardTestKit(getSystem()) {{
+ final ShardIdentifier member1ShardID = ShardIdentifier.builder().memberName("member-1")
+ .shardName("inventory").type("config").build();
+
+ final ShardIdentifier member2ShardID = ShardIdentifier.builder().memberName("member-2")
+ .shardName("inventory").type("config").build();
+ final Creator<Shard> followerShardCreator = new Creator<Shard>() {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public Shard create() throws Exception {
+ return new Shard(Shard.builder().id(member1ShardID).datastoreContext(newDatastoreContext()).
+ peerAddresses(Collections.singletonMap(member2ShardID.toString(),
+ "akka://test/user/" + member2ShardID.toString())).schemaContext(SCHEMA_CONTEXT)) {
+ @Override
+ public void onReceiveCommand(final Object message) throws Exception {
+
+ if(!(message instanceof ElectionTimeout)) {
+ super.onReceiveCommand(message);
+ }
+ }
+ };
+ }
+ };
+
+ final Creator<Shard> leaderShardCreator = new Creator<Shard>() {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public Shard create() throws Exception {
+ return new Shard(Shard.builder().id(member2ShardID).datastoreContext(newDatastoreContext()).
+ peerAddresses(Collections.singletonMap(member1ShardID.toString(),
+ "akka://test/user/" + member1ShardID.toString())).schemaContext(SCHEMA_CONTEXT)) {};
+ }
+ };
+
+
+ final TestActorRef<Shard> shard = TestActorRef.create(getSystem(),
+ Props.create(new DelegatingShardCreator(followerShardCreator)),
+ member1ShardID.toString());
+
+ final TestActorRef<Shard> shardLeader = TestActorRef.create(getSystem(),
+ Props.create(new DelegatingShardCreator(leaderShardCreator)).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ member2ShardID.toString());
+ // Sleep to let election happen
+ Uninterruptibles.sleepUninterruptibly(2, TimeUnit.SECONDS);
+
+ shard.tell(new FindLeader(), getRef());
+ final FindLeaderReply findLeaderReply =
+ expectMsgClass(duration("5 seconds"), FindLeaderReply.class);
+ assertEquals("Shard leader does not match", shardLeader.path().toString(), findLeaderReply.getLeaderActor());
+
+ final YangInstanceIdentifier path = TestModel.TEST_PATH;
+ final MockDataChangeListener listener = new MockDataChangeListener(1);
+ final ActorRef dclActor = getSystem().actorOf(DataChangeListener.props(listener),
+ "testDataChangeListenerOnFollower-DataChangeListener");
+
+ shard.tell(new RegisterChangeListener(path, dclActor, AsyncDataBroker.DataChangeScope.BASE, true), getRef());
+ final RegisterChangeListenerReply reply = expectMsgClass(duration("5 seconds"),
+ RegisterChangeListenerReply.class);
+ assertNotNull("getListenerRegistratioznPath", reply.getListenerRegistrationPath());
+
+ writeToStore(shard, path, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+
+ listener.waitForChangeEvents();
+
+ dclActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ shard.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};