public void Save(DenormalizersHashes hashes)
{
Collecton.RemoveAll();
Collecton.Save(hashes);
}
public void Rebuild()
{
// get the list of previous hashes
_previosHashes = _denormalizersHashesStore.Load();
// create an instance of
// get the new list of denormalizers from the catalog
DenormalizersHashes newHashes = new DenormalizersHashes();
List <DenormalizerToRebuild> denormalizersToRebuild = new List <DenormalizerToRebuild>();
// cycle through the list and compute the hashes for each denormalizer
foreach (var denorm in _catalog.Denormalizers)
{
DenormalizerHash hash = new DenormalizerHash();
hash.Name = denorm.ToString();
hash.Hash = _hashcodeGenerator.Generate(denorm);
hash.Timestamp = DateTime.Now;
newHashes.Hashes.Add(hash);
var ri = new DenormalizerToRebuild(hash, denorm);
// check this list with the previous one to find if we need to rebuild the data
DenormalizerHash prev = null;
if (_previosHashes != null)
{
prev = _previosHashes.Hashes.Where(p => p.Name == hash.Name).FirstOrDefault();
}
// rebuild the data if the denormalizer was not present before or if it was changed
ri.IsRebuildNeeded = prev == null || prev.Hash != ri.Hash;
if (ri.IsRebuildNeeded)
{
denormalizersToRebuild.Add(ri);
}
}
// rebuild the data only for the denormalizer that are changed
if (denormalizersToRebuild.Count > 0)
{
// ask the engine to perform a complete event replay
_logger.Info("Commits Replay Start");
// get all the commits and related events
var commitList = _eventStore.Advanced.GetFrom(DateTime.MinValue);
_logger.Info(string.Format("Processing {0} commits", commitList.Count()));
foreach (var commit in commitList)
{
if (commit.Headers.Count > 0)
{
_logger.Info(string.Format("Commit Header {0}", DumpDictionaryToString(commit.Headers)));
}
foreach (var committedEvent in commit.Events)
{
_logger.Info(string.Format("Replaying event: {0}", committedEvent.Body.ToString()));
if (committedEvent.Headers.Count > 0)
{
_logger.Info(string.Format("Event Header {0}", DumpDictionaryToString(committedEvent.Headers)));
}
// it has side effects, like generating new commits on the eventstore
//OriginalDomainEventRouter.Dispatch(committedEvent.Body);
var eventType = committedEvent.Body.GetType();
var handlerList = _domainEventHandlerCatalog.GetAllHandlerFor(eventType);
foreach (var invoker in handlerList)
{
if (typeof(IDomainEventDenormalizer).IsAssignableFrom(invoker.DefiningType))
{
invoker.Invoke(committedEvent.Body as IDomainEvent);
}
}
_logger.Info("Event Replay Completed");
}
}
// persist the new series of hashes
_denormalizersHashesStore.Save(newHashes);
}
}
public void Rebuild()
{
// get the list of previous hashes
_previosHashes = _denormalizersHashesStore.Load();
// create an instance of
// get the new list of denormalizers from the catalog
DenormalizersHashes newHashes = new DenormalizersHashes();
List<DenormalizerToRebuild> denormalizersToRebuild = new List<DenormalizerToRebuild>();
// cycle through the list and compute the hashes for each denormalizer
foreach (var denorm in _catalog.Denormalizers)
{
DenormalizerHash hash = new DenormalizerHash();
hash.Name = denorm.ToString();
hash.Hash = _hashcodeGenerator.Generate(denorm);
hash.Timestamp = DateTime.Now;
newHashes.Hashes.Add(hash);
var ri = new DenormalizerToRebuild(hash, denorm);
// check this list with the previous one to find if we need to rebuild the data
DenormalizerHash prev = null;
if (_previosHashes != null)
prev = _previosHashes.Hashes.Where(p => p.Name == hash.Name).FirstOrDefault();
// rebuild the data if the denormalizer was not present before or if it was changed
ri.IsRebuildNeeded = prev == null || prev.Hash != ri.Hash;
if (ri.IsRebuildNeeded)
denormalizersToRebuild.Add(ri);
}
// rebuild the data only for the denormalizer that are changed
if (denormalizersToRebuild.Count > 0)
{
// ask the engine to perform a complete event replay
_logger.Info("Commits Replay Start");
// get all the commits and related events
var commitList = _eventStore.Advanced.GetFrom(DateTime.MinValue);
_logger.Info(string.Format("Processing {0} commits", commitList.Count()));
foreach (var commit in commitList)
{
if (commit.Headers.Count > 0)
_logger.Info(string.Format("Commit Header {0}", DumpDictionaryToString(commit.Headers)));
foreach (var committedEvent in commit.Events)
{
_logger.Info(string.Format("Replaying event: {0}", committedEvent.Body.ToString()));
if (committedEvent.Headers.Count > 0)
_logger.Info(string.Format("Event Header {0}", DumpDictionaryToString(committedEvent.Headers)));
// it has side effects, like generating new commits on the eventstore
//OriginalDomainEventRouter.Dispatch(committedEvent.Body);
var eventType = committedEvent.Body.GetType();
var handlerList = _domainEventHandlerCatalog.GetAllHandlerFor(eventType);
foreach (var invoker in handlerList)
{
if (typeof(IDomainEventDenormalizer).IsAssignableFrom(invoker.DefiningType))
{
invoker.Invoke(committedEvent.Body as IDomainEvent);
}
}
_logger.Info("Event Replay Completed");
}
}
// persist the new series of hashes
_denormalizersHashesStore.Save(newHashes);
}
}