public void UpdateSnapshots(Func <string, Type> aggregateTypeResolver, bool continueOnError)
{
if (!_isInitialized)
{
throw new Exception("Initialize Event Source first!");
}
var databaseName = DatabaseName.Invoke();
PrepareDatabase(databaseName);
using (var largeSession = string.IsNullOrWhiteSpace(databaseName) ? _store.OpenSession() : _store.OpenSession(databaseName))
{
var query = largeSession.Advanced.LuceneQuery <Raven.Json.Linq.RavenJObject>("Raven/DocumentsByEntityName").WhereStartsWith("Tag", "EventStreams");
var ret = largeSession.Advanced.Stream(query);
while (ret.MoveNext())
{
using (var t = new TransactionScope(TransactionScopeOption.RequiresNew))
{
using (var session = string.IsNullOrWhiteSpace(databaseName) ? _store.OpenSession() : _store.OpenSession(databaseName))
{
session.Advanced.AllowNonAuthoritativeInformation = false;
var stream = session.Load <EventStream>(ret.Current.Key);
var commits = FilteredCommits(stream.Commits.Select(x => x.Value));
var aggregateType = aggregateTypeResolver.Invoke(stream.AggregateType);
var instance = (IAggregate)Activator.CreateInstance(aggregateType);
var exceptions = ApplyEventsToAggregate(commits, instance, continueOnError);
if (exceptions.Any())
{
var id = stream.Id.ToGuidId().ToStringId <ErrorStream>();
var commitError = session.Load <ErrorStream>(id);
if (commitError == null)
{
commitError = new ErrorStream
{
Id = id,
AggregateType = stream.AggregateType
};
session.Store(commitError);
}
foreach (var e in exceptions)
{
var commit = stream.Commits[e.Key];
commitError.Commits.Add(new ErrorCommit {
Commit = commit, Error = e.Value
});
stream.Commits.Remove(e.Key);
}
}
stream.Version = instance.Version;
stream.Snapshot = instance;
session.SaveChanges();
}
t.Complete();
}
}
}
}
public void StoreCommits(Type aggregateType, Guid aggregateId, IEnumerable <Commit> commits, bool continueOnError = false)
{
if (!_isInitialized)
{
throw new Exception("Initialize Event Source first!");
}
var databaseName = DatabaseName.Invoke();
if (!string.IsNullOrWhiteSpace(databaseName))
{
_store.DatabaseCommands.GlobalAdmin.EnsureDatabaseExists(databaseName);
}
using (var t = new TransactionScope(TransactionScopeOption.RequiresNew))
{
using (var session = string.IsNullOrWhiteSpace(databaseName) ? _store.OpenSession() : _store.OpenSession(databaseName))
{
session.Advanced.UseOptimisticConcurrency = true;
session.Advanced.AllowNonAuthoritativeInformation = false;
var id = aggregateId.ToStringId <EventStream>();
var stream = session.Load <EventStream>(id);
if (stream == null)
{
stream = new EventStream {
Id = id, AggregateType = aggregateType.FullName
};
session.Store(stream);
}
commits = FilteredCommits(commits.OrderBy(x => x.CommitStamp));
commits.ToList().ForEach(commit =>
{
commit.CommitSequence = stream.Commits.Count + 1;
stream.Commits.Add(commit.CommitId, commit);
});
var instance = (IAggregate)Activator.CreateInstance(aggregateType);
var exceptions = ApplyEventsToAggregate(stream.Commits.Select(x => x.Value), instance, continueOnError);
if (exceptions.Any())
{
var errorId = aggregateId.ToStringId <ErrorStream>();
var commitError = session.Load <ErrorStream>(errorId);
if (commitError == null)
{
commitError = new ErrorStream {
Id = errorId, AggregateType = stream.AggregateType
};
session.Store(commitError);
}
foreach (var e in exceptions)
{
var commit = stream.Commits[e.Key];
commitError.Commits.Add(new ErrorCommit {
Commit = commit, Error = e.Value
});
stream.Commits.Remove(e.Key);
}
}
stream.Version = instance.Version;
stream.Snapshot = instance;
session.SaveChanges();
}
t.Complete();
}
}
