コード例 #1
0
        /// <summary>
        /// Save the specified <paramref name="context"/> changes for the given aggregate.
        /// </summary>
        /// <param name="aggregate">The current aggregate version for which the context applies.</param>
        /// <param name="context">The command context containing the aggregate changes to be applied.</param>
        public SaveResult Save(Aggregate aggregate, CommandContext context)
        {
            Verify.NotNull(aggregate, nameof(aggregate));
            Verify.NotNull(context, nameof(context));

            var commit = CreateCommit(aggregate, context);

            try
            {
                eventStore.Save(commit);
            }
            catch (DuplicateCommitException)
            {
                Log.Warn("Duplicate commit: {0}", commit);
            }

            // NOTE: Apply commit directly to existing aggregate. By default, each call to `Get` returns a new `Aggregate` instance.
            //       Should the caller hold on to a reference to `this` aggregate instance, it is their responsibility to gaurd against
            //       modifications (via `aggregate.Copy()` call) if they require an unaltered instance of `aggregate`.
            ApplyCommitToAggregate(commit, aggregate);
            if (aggregate.Version > 0 && aggregate.Version % snapshotInterval == 0)
            {
                snapshotStore.Save(new Snapshot(aggregate.Id, aggregate.Version, aggregate));
            }

            return(new SaveResult(aggregate, commit));
        }
コード例 #2
0
        /// <summary>
        /// Appends a new commit to the event store.
        /// </summary>
        /// <param name="commit">The commit to append to the event store.</param>
        public void Save(Commit commit)
        {
            eventStore.Save(commit);

            if (commit.Version == 1)
            {
                statistics.IncrementInsertCount();
            }
            else
            {
                statistics.IncrementUpdateCount();
            }
        }