public AbstraXProviderDataProvider(DatabaseProviderDependencies dependencies, IServiceCollection services) : base(dependencies)
{
this.services = services;
this.identityMaps = new Dictionary <IKey, IIdentityMap>();
this.entityReferenceMap = new EntityReferenceMap(hasSubMap: true);
dbSets = new List <DbSetProperty>();
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual void Update(
InternalEntityEntry entry,
EntityState state,
EntityState?oldState)
{
var entityType = entry.EntityType;
if (_hasSubMap &&
entityType.HasSharedClrType)
{
_sharedTypeReferenceMap ??= new Dictionary <IEntityType, EntityReferenceMap>();
if (!_sharedTypeReferenceMap.TryGetValue(entityType, out var sharedMap))
{
sharedMap = new EntityReferenceMap(hasSubMap: false);
_sharedTypeReferenceMap[entityType] = sharedMap;
}
sharedMap.Update(entry, state, oldState);
}
else
{
var mapKey = entry.Entity ?? entry;
if (oldState.HasValue)
{
Remove(mapKey, entityType, oldState.Value);
}
if (!oldState.HasValue ||
state != EntityState.Detached)
{
switch (state)
{
case EntityState.Detached:
_detachedReferenceMap ??= new Dictionary <object, InternalEntityEntry>(LegacyReferenceEqualityComparer.Instance);
_detachedReferenceMap[mapKey] = entry;
break;
case EntityState.Unchanged:
_unchangedReferenceMap ??=
new Dictionary <object, InternalEntityEntry>(LegacyReferenceEqualityComparer.Instance);
_unchangedReferenceMap[mapKey] = entry;
break;
case EntityState.Deleted:
_deletedReferenceMap ??= new Dictionary <object, InternalEntityEntry>(LegacyReferenceEqualityComparer.Instance);
_deletedReferenceMap[mapKey] = entry;
break;
case EntityState.Modified:
_modifiedReferenceMap ??= new Dictionary <object, InternalEntityEntry>(LegacyReferenceEqualityComparer.Instance);
_modifiedReferenceMap[mapKey] = entry;
break;
case EntityState.Added:
_addedReferenceMap ??= new Dictionary <object, InternalEntityEntry>(LegacyReferenceEqualityComparer.Instance);
_addedReferenceMap[mapKey] = entry;
break;
}
}
}
}
