private async Task <IReadOnlyList <IEntitySyncStateContext <TAtypeEntityId, TAtypeEntityVersion, TAtypeEntity, TBtypeEntityId, TBtypeEntityVersion, TBtypeEntity, TContext> > > CreateEntitySyncStateContexts(
IEntityContainer <TAtypeEntityId, TAtypeEntity, TContext> aEntities,
IEntityContainer <TBtypeEntityId, TBtypeEntity, TContext> bEntities,
IEnumerable <IEntityRelationData <TAtypeEntityId, TAtypeEntityVersion, TBtypeEntityId, TBtypeEntityVersion> > knownEntityRelations,
Dictionary <TAtypeEntityId, TAtypeEntityVersion> newAVersions,
Dictionary <TBtypeEntityId, TBtypeEntityVersion> newBVersions,
ISynchronizationLogger logger,
TContext synchronizationContext,
ISynchronizationInterceptor <TAtypeEntityId, TAtypeEntityVersion, TAtypeEntity, TBtypeEntityId, TBtypeEntityVersion, TBtypeEntity, TContext> interceptor)
{
var entitySynchronizationContexts = new List <IEntitySyncStateContext <TAtypeEntityId, TAtypeEntityVersion, TAtypeEntity, TBtypeEntityId, TBtypeEntityVersion, TBtypeEntity, TContext> >();
var aDeltaLogInfo = new VersionDeltaLoginInformation();
var bDeltaLogInfo = new VersionDeltaLoginInformation();
foreach (var knownEntityRelationData in knownEntityRelations)
{
TAtypeEntityVersion newAVersion;
TBtypeEntityVersion newBVersion;
var newAVersionAvailable = newAVersions.TryGetValue(knownEntityRelationData.AtypeId, out newAVersion);
var newBVersionAvailable = newBVersions.TryGetValue(knownEntityRelationData.BtypeId, out newBVersion);
if (newAVersionAvailable)
{
newAVersions.Remove(knownEntityRelationData.AtypeId);
}
if (newBVersionAvailable)
{
newBVersions.Remove(knownEntityRelationData.BtypeId);
}
entitySynchronizationContexts.Add(new EntitySyncStateContext <TAtypeEntityId, TAtypeEntityVersion, TAtypeEntity, TBtypeEntityId, TBtypeEntityVersion, TBtypeEntity, TContext>(
CreateInitialSyncState(knownEntityRelationData, newAVersionAvailable, newAVersion, newBVersionAvailable, newBVersion, aDeltaLogInfo, bDeltaLogInfo)));
}
await _atypeRepository.VerifyUnknownEntities(newAVersions, synchronizationContext);
await _btypeRepository.VerifyUnknownEntities(newBVersions, synchronizationContext);
if (newAVersions.Count > 0 && newBVersions.Count > 0)
{
s_logger.Info($"Performing entity matching with {newAVersions.Count} Atype and {newBVersions.Count} Btype entities.");
var matchingEntites = _initialEntityMatcher.FindMatchingEntities(
_entityRelationDataFactory,
(await aEntities.SelectEntities(newAVersions.Keys, logger.ALoadEntityLogger, synchronizationContext, e => EntityWithId.Create(e.Id, _aMatchDataFactory.CreateMatchData(e.Entity)))).ToDictionary(e => e.Id, e => e.Entity),
(await bEntities.SelectEntities(newBVersions.Keys, logger.BLoadEntityLogger, synchronizationContext, e => EntityWithId.Create(e.Id, _bMatchDataFactory.CreateMatchData(e.Entity)))).ToDictionary(e => e.Id, e => e.Entity),
newAVersions,
newBVersions);
foreach (var knownEntityRelationData in matchingEntites)
{
newAVersions.Remove(knownEntityRelationData.AtypeId);
newBVersions.Remove(knownEntityRelationData.BtypeId);
var entitySyncState = _initialSyncStateCreationStrategy.CreateFor_Unchanged_Unchanged(knownEntityRelationData);
entitySynchronizationContexts.Add(new EntitySyncStateContext <TAtypeEntityId, TAtypeEntityVersion, TAtypeEntity, TBtypeEntityId, TBtypeEntityVersion, TBtypeEntity, TContext>(entitySyncState));
aDeltaLogInfo.IncUnchanged();
bDeltaLogInfo.IncUnchanged();
}
s_logger.Info("Entity matching finished.");
}
foreach (var newA in newAVersions)
{
var syncState = _initialSyncStateCreationStrategy.CreateFor_Added_NotExisting(newA.Key, newA.Value);
entitySynchronizationContexts.Add(new EntitySyncStateContext <TAtypeEntityId, TAtypeEntityVersion, TAtypeEntity, TBtypeEntityId, TBtypeEntityVersion, TBtypeEntity, TContext>(syncState));
}
foreach (var newB in newBVersions)
{
var syncState = _initialSyncStateCreationStrategy.CreateFor_NotExisting_Added(newB.Key, newB.Value);
entitySynchronizationContexts.Add(new EntitySyncStateContext <TAtypeEntityId, TAtypeEntityVersion, TAtypeEntity, TBtypeEntityId, TBtypeEntityVersion, TBtypeEntity, TContext>(syncState));
}
interceptor.TransformInitialCreatedStates(entitySynchronizationContexts, _syncStateFactory);
// all the leftovers in newAVersions and newBVersions must be the added ones
aDeltaLogInfo.IncAdded(newAVersions.Count);
bDeltaLogInfo.IncAdded(newBVersions.Count);
s_logger.InfoFormat("Atype delta: {0}", aDeltaLogInfo);
s_logger.InfoFormat("Btype delta: {0}", bDeltaLogInfo);
logger.LogDeltas(aDeltaLogInfo, bDeltaLogInfo);
return(entitySynchronizationContexts);
}