private void PublishEntities(IEnumerable <object> exportEntities)
{
var syncData = new SyncDataMessage(this, exportEntities, _deletedEntityKeys);
EventFns.Publish(syncData);
// Signal to our clients that data has changed
if (syncData.SavedEntities.Any() || syncData.DeletedEntityKeys.Any())
{
RaiseDataChangedEvent(syncData.SavedEntities, syncData.DeletedEntityKeys);
}
}
/// <summary>
/// Internal use.
/// </summary>
void IHandle <SyncDataMessage> .Handle(SyncDataMessage syncData)
{
if (syncData.IsSameProviderAs(this))
{
return;
}
// Merge deletions
var removers = syncData.DeletedEntityKeys
.Select(key => Manager.FindEntity(key, false))
.Where(entity => entity != null)
.ToList();
if (removers.Any())
{
Manager.RemoveEntities(removers, false);
}
// Merge saved entities, may take several passes
var savedEntities = syncData.SavedEntities.ToList();
List <object> mergers;
do
{
mergers = savedEntities.Where(SyncInterceptor.ShouldImportEntity).ToList();
Manager.ImportEntities(mergers, MergeStrategy.PreserveChangesUpdateOriginal);
savedEntities = savedEntities.Except(mergers).ToList();
} while (mergers.Any());
// Signal to our clients that data has changed
if (syncData.SavedEntities.Any() || syncData.DeletedEntityKeys.Any())
{
RaiseDataChangedEvent(syncData.SavedEntities, syncData.DeletedEntityKeys);
}
}