internal async Task OnSaved(ReplicateDataMessage message, IEntity entity, SaveMode mode)
{
if (Saved.IsHandled())
{
await Saved.Raise(new ReplicationSaveMessageProcessedEventArgs(message, entity, mode));
}
}
internal async Task OnDeleted(ReplicateDataMessage message, IEntity entity)
{
if (Deleted.IsHandled())
{
await Deleted.Raise(new ReplicationDeleteMessageProcessedEventArgs(message, entity));
}
}
internal async Task Import(ReplicateDataMessage message)
{
if (message.CreationUtc < RefreshRequestUtc)
{
// Ignore this. We will receive a full table after this anyway.
Log.Info("Ignoring importing expired ReplicateDataMessage " + message.DeduplicationId);
return;
}
Log.Debug($"Beginning to import ReplicateDataMessage for {message.TypeFullName}:\n{message.Entity}\n\n");
IEntity entity;
try { entity = await Deserialize(message.Entity); }
catch (Exception ex)
{
Log.Error(ex, "Failed to deserialize.");
throw;
}
try
{
await Database.Save(entity, SaveBehaviour.BypassAll);
Log.Debug("Saved the " + entity.GetType().FullName + " " + entity.GetId());
}
catch (Exception ex)
{
Log.Error(ex, "Failed to import.");
throw;
}
}
internal async Task Import(ReplicateDataMessage message)
{
if (message.CreationUtc < RefreshRequestUtc?.Subtract(TimeSyncTolerance))
{
// Ignore this. We will receive a full table after this anyway.
Log.Info("Ignored importing expired ReplicateDataMessage " + message.DeduplicationId + " because it's older the last refresh request.");
return;
}
Log.Debug($"Beginning to import ReplicateDataMessage for {message.TypeFullName}:\n{message.Entity}\n\n");
IEntity entity;
try { entity = await Deserialize(message.Entity); }
catch (Exception ex)
{
Log.Error(ex, "Failed to deserialize.");
throw;
}
try
{
if (message.ToDelete)
{
if (await Endpoint.OnDeleting(message, entity))
{
await Database.Delete(entity);
await Endpoint.OnDeleted(message, entity);
}
}
else
{
var mode = entity.IsNew ? SaveMode.Insert : SaveMode.Update;
if (mode == SaveMode.Update && !await IsActuallyChanged(entity))
{
return;
}
if (!await Endpoint.OnSaving(message, entity, mode))
{
return;
}
await Database.Save(entity, SaveBehaviour.BypassAll);
await GlobalEntityEvents.InstanceSaved.Raise(new GlobalSaveEventArgs(entity, mode));
await Endpoint.OnSaved(message, entity, mode);
Log.Debug("Saved the " + entity.GetType().FullName + " " + entity.GetId());
}
}
catch (Exception ex)
{
Log.Error(ex, "Failed to import.");
throw;
}
}
internal async Task <bool> OnSaving(ReplicateDataMessage message, IEntity entity, SaveMode mode)
{
if (!Saving.IsHandled())
{
return(true);
}
var args = new ReplicationSaveMessageReceivedEventArgs(message, entity, mode);
await Saving.Raise(args);
return(!args.Cancel);
}
internal async Task <bool> OnDeleting(ReplicateDataMessage message, IEntity entity)
{
if (!Deleting.IsHandled())
{
return(true);
}
var args = new ReplicationDeleteMessageReceivedEventArgs(message, entity);
await Deleting.Raise(args);
return(!args.Cancel);
}
async Task Import(ReplicateDataMessage message)
{
if (message == null)
{
return;
}
try
{
await Subscribers[message.TypeFullName].Import(message);
}
catch (Exception ex)
{
Log.For(this).Error(ex, "Failed to import ReplicateDataMessage " + message.Entity);
}
}
internal ReplicationSaveMessageProcessedEventArgs(ReplicateDataMessage message, IEntity instance, SaveMode mode) : base(message, instance)
{
Mode = mode;
}
internal ReplicationDeleteMessageProcessedEventArgs(ReplicateDataMessage message, IEntity instance) : base(message, instance)
{
}
protected ReplicationEventArgs(ReplicateDataMessage message, IEntity instance)
{
Message = message;
Instance = instance;
}
Task Import(ReplicateDataMessage message) => Subscribers[message.TypeFullName].Import(message);
internal async Task Import(ReplicateDataMessage message)
{
if (message.CreationUtc < RefreshRequestUtc?.Subtract(TimeSyncTolerance))
{
// Ignore this. We will receive a full table after this anyway.
Log.Info("Ignored importing expired ReplicateDataMessage " + message.DeduplicationId + " because it's older the last refresh request.");
return;
}
if (message.IsClearSignal)
{
Log.Debug($"Received Clear Signal for {message.TypeFullName}");
await Database.GetAccess(DomainType).ExecuteNonQuery($"truncate table {SchemaAttribute.GetSchema(DomainType).WithSuffix(".")}{TableNameAttribute.GetTableName(DomainType)}");
return;
}
Log.Debug($"Beginning to import ReplicateDataMessage for {message.TypeFullName}:\n{message.Entity}\n\n");
IEntity entity;
try { entity = await Deserialize(message.Entity); }
catch (Exception ex)
{
Log.Error(ex, "Failed to deserialize a message of :> " + message.TypeFullName + " message : " + message.Entity);
throw;
}
try
{
if (message.ToDelete)
{
if (await Endpoint.OnDeleting(message, entity))
{
await Database.Delete(entity);
await Endpoint.OnDeleted(message, entity);
}
}
else
{
var mode = entity.IsNew ? SaveMode.Insert : SaveMode.Update;
if (mode == SaveMode.Update && !await IsActuallyChanged(entity))
{
return;
}
if (!await Endpoint.OnSaving(message, entity, mode))
{
return;
}
var bypass = SaveBehaviour.BypassAll;
if (Config.Get("Database:Audit:EnableForEndpointDataReplication", defaultValue: false))
{
bypass &= ~SaveBehaviour.BypassLogging;
}
await Database.Save(entity, bypass);
await GlobalEntityEvents.OnInstanceSaved(new GlobalSaveEventArgs(entity, mode));
await Endpoint.OnSaved(message, entity, mode);
Log.Debug("Saved the " + entity.GetType().FullName + " " + entity.GetId());
}
}
catch (Exception ex)
{
Log.Error(ex, "Failed to import.");
throw;
}
}