Examples with ReadyTransactionReply org.opendaylight.controller.cluster.datastore.messages.ReadyTransactionReply used on opensource projects

Example 1 with ReadyTransactionReply

use of org.opendaylight.controller.cluster.datastore.messages.ReadyTransactionReply in project controller by opendaylight.

the class ShardTest method testConcurrentThreePhaseCommits.

@Test
@SuppressWarnings("checkstyle:IllegalCatch")
public void testConcurrentThreePhaseCommits() throws Exception {
    final AtomicReference<Throwable> caughtEx = new AtomicReference<>();
    final CountDownLatch commitLatch = new CountDownLatch(2);
    final long timeoutSec = 5;
    final FiniteDuration duration = FiniteDuration.create(timeoutSec, TimeUnit.SECONDS);
    final Timeout timeout = new Timeout(duration);
    final TestActorRef<Shard> shard = actorFactory.createTestActor(newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()), "testConcurrentThreePhaseCommits");
    class OnFutureComplete extends OnComplete<Object> {

        private final Class<?> expRespType;

        OnFutureComplete(final Class<?> expRespType) {
            this.expRespType = expRespType;
        }

        @Override
        public void onComplete(final Throwable error, final Object resp) {
            if (error != null) {
                caughtEx.set(new AssertionError(getClass().getSimpleName() + " failure", error));
            } else {
                try {
                    assertEquals("Commit response type", expRespType, resp.getClass());
                    onSuccess(resp);
                } catch (final Exception e) {
                    caughtEx.set(e);
                }
            }
        }

        void onSuccess(final Object resp) throws Exception {
        }
    }
    class OnCommitFutureComplete extends OnFutureComplete {

        OnCommitFutureComplete() {
            super(CommitTransactionReply.class);
        }

        @Override
        public void onComplete(final Throwable error, final Object resp) {
            super.onComplete(error, resp);
            commitLatch.countDown();
        }
    }
    class OnCanCommitFutureComplete extends OnFutureComplete {

        private final TransactionIdentifier transactionID;

        OnCanCommitFutureComplete(final TransactionIdentifier transactionID) {
            super(CanCommitTransactionReply.class);
            this.transactionID = transactionID;
        }

        @Override
        void onSuccess(final Object resp) throws Exception {
            final CanCommitTransactionReply canCommitReply = CanCommitTransactionReply.fromSerializable(resp);
            assertEquals("Can commit", true, canCommitReply.getCanCommit());
            final Future<Object> commitFuture = Patterns.ask(shard, new CommitTransaction(transactionID, CURRENT_VERSION).toSerializable(), timeout);
            commitFuture.onComplete(new OnCommitFutureComplete(), getSystem().dispatcher());
        }
    }
    new ShardTestKit(getSystem()) {

        {
            waitUntilLeader(shard);
            final TransactionIdentifier transactionID1 = nextTransactionId();
            final TransactionIdentifier transactionID2 = nextTransactionId();
            final TransactionIdentifier transactionID3 = nextTransactionId();
            final Map<TransactionIdentifier, CapturingShardDataTreeCohort> cohortMap = setupCohortDecorator(shard.underlyingActor(), transactionID1, transactionID2, transactionID3);
            final CapturingShardDataTreeCohort cohort1 = cohortMap.get(transactionID1);
            final CapturingShardDataTreeCohort cohort2 = cohortMap.get(transactionID2);
            final CapturingShardDataTreeCohort cohort3 = cohortMap.get(transactionID3);
            shard.tell(prepareBatchedModifications(transactionID1, TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME), false), getRef());
            final ReadyTransactionReply readyReply = ReadyTransactionReply.fromSerializable(expectMsgClass(duration, ReadyTransactionReply.class));
            assertEquals("Cohort path", shard.path().toString(), readyReply.getCohortPath());
            // Send the CanCommitTransaction message for the first Tx.
            shard.tell(new CanCommitTransaction(transactionID1, CURRENT_VERSION).toSerializable(), getRef());
            final CanCommitTransactionReply canCommitReply = CanCommitTransactionReply.fromSerializable(expectMsgClass(duration, CanCommitTransactionReply.class));
            assertEquals("Can commit", true, canCommitReply.getCanCommit());
            // Ready 2 more Tx's.
            shard.tell(prepareBatchedModifications(transactionID2, TestModel.OUTER_LIST_PATH, ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME).build(), false), getRef());
            expectMsgClass(duration, ReadyTransactionReply.class);
            shard.tell(prepareBatchedModifications(transactionID3, 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), false), getRef());
            expectMsgClass(duration, ReadyTransactionReply.class);
            // Send the CanCommitTransaction message for the next 2 Tx's.
            // These should get queued and
            // processed after the first Tx completes.
            final Future<Object> canCommitFuture1 = Patterns.ask(shard, new CanCommitTransaction(transactionID2, CURRENT_VERSION).toSerializable(), timeout);
            final Future<Object> canCommitFuture2 = Patterns.ask(shard, new CanCommitTransaction(transactionID3, CURRENT_VERSION).toSerializable(), timeout);
            // Send the CommitTransaction message for the first Tx. After it
            // completes, it should
            // trigger the 2nd Tx to proceed which should in turn then
            // trigger the 3rd.
            shard.tell(new CommitTransaction(transactionID1, CURRENT_VERSION).toSerializable(), getRef());
            expectMsgClass(duration, CommitTransactionReply.class);
            // Wait for the next 2 Tx's to complete.
            canCommitFuture1.onComplete(new OnCanCommitFutureComplete(transactionID2), getSystem().dispatcher());
            canCommitFuture2.onComplete(new OnCanCommitFutureComplete(transactionID3), getSystem().dispatcher());
            final boolean done = commitLatch.await(timeoutSec, TimeUnit.SECONDS);
            final Throwable t = caughtEx.get();
            if (t != null) {
                Throwables.propagateIfPossible(t, Exception.class);
                throw new RuntimeException(t);
            }
            assertEquals("Commits complete", true, done);
            // final InOrder inOrder = inOrder(cohort1.getCanCommit(), cohort1.getPreCommit(), cohort1.getCommit(),
            // cohort2.getCanCommit(), cohort2.getPreCommit(), cohort2.getCommit(), cohort3.getCanCommit(),
            // cohort3.getPreCommit(), cohort3.getCommit());
            // inOrder.verify(cohort1.getCanCommit()).onSuccess(any(Void.class));
            // inOrder.verify(cohort1.getPreCommit()).onSuccess(any(DataTreeCandidate.class));
            // inOrder.verify(cohort2.getCanCommit()).onSuccess(any(Void.class));
            // inOrder.verify(cohort2.getPreCommit()).onSuccess(any(DataTreeCandidate.class));
            // inOrder.verify(cohort3.getCanCommit()).onSuccess(any(Void.class));
            // inOrder.verify(cohort3.getPreCommit()).onSuccess(any(DataTreeCandidate.class));
            // inOrder.verify(cohort1.getCommit()).onSuccess(any(UnsignedLong.class));
            // inOrder.verify(cohort2.getCommit()).onSuccess(any(UnsignedLong.class));
            // inOrder.verify(cohort3.getCommit()).onSuccess(any(UnsignedLong.class));
            // Verify data in the data store.
            verifyOuterListEntry(shard, 1);
            verifyLastApplied(shard, 5);
        }
    };
}