コード例 #1
0
        public void Save(string bucketId, IAggregate aggregate, Guid commitId, Action <IDictionary <string, object> > updateHeaders)
        {
            Dictionary <string, object> headers = PrepareHeaders(aggregate, updateHeaders);

            while (true)
            {
                IEventStream stream           = PrepareStream(bucketId, aggregate, headers);
                int          commitEventCount = stream.CommittedEvents.Count;

                try {
                    stream.CommitChanges(commitId);
                    aggregate.ClearUncommittedEvents();
                    return;
                }
                catch (DuplicateCommitException) {
                    stream.ClearChanges();
                    return;
                }
                catch (ConcurrencyException e) {
                    var conflict = ThrowOnConflict(stream, commitEventCount);
                    stream.ClearChanges();

                    if (conflict)
                    {
                        throw new ConflictingCommandException(e.Message, e);
                    }
                }
                catch (StorageException e) {
                    throw new PersistenceException(e.Message, e);
                }
            }
        }
コード例 #2
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="bucketId"></param>
        /// <param name="aggregate"></param>
        /// <param name="commitId"></param>
        /// <param name="updateHeaders"></param>
        /// <returns></returns>
        public Int32 Save(string bucketId, IAggregateEx aggregate, Guid commitId, Action <IDictionary <string, object> > updateHeaders)
        {
            if (_disposed)
            {
                throw new ObjectDisposedException("This instance of repository was already disposed");
            }

            Dictionary <string, object> headers = PrepareHeaders(aggregate, updateHeaders);
            Int32 uncommittedEvents             = aggregate.GetUncommittedEvents().Count;

            while (true)
            {
                IEventStream stream           = this.PrepareStream(bucketId, aggregate, headers);
                int          commitEventCount = stream.CommittedEvents.Count;

                try
                {
                    stream.CommitChanges(commitId);
                    aggregate.ClearUncommittedEvents();
                    return(uncommittedEvents);
                }
                catch (DuplicateCommitException dex)
                {
                    stream.ClearChanges();
                    _logger.Debug(String.Format("Duplicate commit exception bucket {0} - id {1} - commitid {2}. \n{3}", bucketId, aggregate.Id, commitId, dex));
                    return(0); //no events commited
                }
                catch (ConcurrencyException e)
                {
                    _logger.Warn(String.Format("Concurrency Exception bucket {0} - id {1} - commitid {2}. \n{3}", bucketId, aggregate.Id, commitId, e));
                    if (this.ThrowOnConflict(stream, commitEventCount))
                    {
                        //@@FIX -> aggiungere prima del lancio dell'eccezione
                        stream.ClearChanges();
                        throw new ConflictingCommandException(e.Message, e);
                    }
                    stream.ClearChanges();
                }
                catch (StorageException e)
                {
                    throw new PersistenceException(e.Message, e);
                }
                finally
                {
                    ReleaseAggregateId(aggregate.Id);
                }
            }
        }
コード例 #3
0
 void CommitStream(Guid commitId, IEventStream toCommit)
 {
     try
     {
         toCommit.CommitChanges(commitId);
     }
     catch (DuplicateCommitException)
     {
         toCommit.ClearChanges();
     }
     catch (ConcurrencyException)
     {
         toCommit.ClearChanges();
         throw;
     }
 }
コード例 #4
0
        public void Save(string bucketId, IAggregateEx aggregate, Guid commitId, Action <IDictionary <string, object> > updateHeaders)
        {
            Dictionary <string, object> headers = PrepareHeaders(aggregate, updateHeaders);

            while (true)
            {
                IEventStream stream           = this.PrepareStream(bucketId, aggregate, headers);
                int          commitEventCount = stream.CommittedEvents.Count;

                try
                {
                    stream.CommitChanges(commitId);
                    aggregate.ClearUncommittedEvents();
                    return;
                }
                catch (DuplicateCommitException)
                {
                    stream.ClearChanges();
                    return;
                }
                catch (ConcurrencyException e)
                {
                    if (this.ThrowOnConflict(stream, commitEventCount))
                    {
                        //@@FIX -> aggiungere prima del lancio dell'eccezione
                        stream.ClearChanges();
                        throw new ConflictingCommandException(e.Message, e);
                    }
                    stream.ClearChanges();
                }
                catch (StorageException e)
                {
                    throw new PersistenceException(e.Message, e);
                }
                finally
                {
                    ReleaseAggregateId(aggregate.Id);
                }
            }
        }
コード例 #5
0
        public void Save(string bucketId, IAggregate aggregate, Guid commitId, Action <IDictionary <string, object> > updateHeaders)
        {
            Dictionary <string, object> headers = PrepareHeaders(aggregate, updateHeaders);

            while (true)
            {
                IEventStream stream           = PrepareStream(bucketId, aggregate, headers);
                int          commitEventCount = stream.CommittedEvents.Count;

                try
                {
                    stream.CommitChanges(commitId);
                    aggregate.ClearUncommittedEvents();
                    return;
                }
                catch (DuplicateCommitException)
                {
                    stream.ClearChanges();
                    // Issue: #4 and test: when_an_aggregate_is_persisted_using_the_same_commitId_twice
                    // should we rethtow the exception here? or provide a feedback whether the save was successful ?
                    return;
                }
                catch (ConcurrencyException e)
                {
                    var conflict = ThrowOnConflict(stream, commitEventCount);
                    stream.ClearChanges();

                    if (conflict)
                    {
                        throw new ConflictingCommandException(e.Message, e);
                    }
                }
                catch (StorageException e)
                {
                    throw new PersistenceException(e.Message, e);
                }
            }
        }
コード例 #6
0
 static void Persist(IEventStream stream, Guid commitId)
 {
     try
     {
         stream.CommitChanges(commitId);
     }
     catch (DuplicateCommitException)
     {
         stream.ClearChanges();
     }
     catch (StorageException e)
     {
         throw new PersistenceException(e.Message, e);
     }
 }