private PropagatorResult CreateSimpleResult(
IEntityStateEntry stateEntry, IExtendedDataRecord record, MemberInformation memberInformation,
int identifier, bool isModified, int recordOrdinal, object value)
{
var updatableRecord = record as CurrentValueRecord;
// construct flags for the value, which is needed for complex type and simple members
var flags = memberInformation.Flags;
if (!isModified)
{
flags |= PropagatorFlags.Preserve;
}
if (PropagatorResult.NullIdentifier != identifier)
{
// construct a key member
PropagatorResult result;
if ((memberInformation.IsServerGenerated || memberInformation.IsForeignKeyMember) &&
null != updatableRecord)
{
result = PropagatorResult.CreateServerGenKeyValue(flags, value, stateEntry, identifier, recordOrdinal);
}
else
{
result = PropagatorResult.CreateKeyValue(flags, value, stateEntry, identifier);
}
// we register the entity as the "owner" of an identity so that back-propagation can succeed
// (keys can only be back-propagated to entities, not association ends). It also allows us
// to walk to the entity state entry in case of exceptions, since the state entry propagated
// through the stack may be eliminated in a project above a join.
m_translator.KeyManager.RegisterIdentifierOwner(result);
return(result);
}
else
{
if ((memberInformation.IsServerGenerated || memberInformation.IsForeignKeyMember) &&
null != updatableRecord)
{
// note: we only produce a server gen result when
return(PropagatorResult.CreateServerGenSimpleValue(flags, value, updatableRecord, recordOrdinal));
}
else
{
return(PropagatorResult.CreateSimpleValue(flags, value));
}
}
}
private PropagatorResult CreateSimpleResult(
IEntityStateEntry stateEntry,
IExtendedDataRecord record,
ExtractorMetadata.MemberInformation memberInformation,
int identifier,
bool isModified,
int recordOrdinal,
object value)
{
CurrentValueRecord record1 = record as CurrentValueRecord;
PropagatorFlags flags = memberInformation.Flags;
if (!isModified)
{
flags |= PropagatorFlags.Preserve;
}
if (-1 != identifier)
{
PropagatorResult owner = !memberInformation.IsServerGenerated && !memberInformation.IsForeignKeyMember || record1 == null?PropagatorResult.CreateKeyValue(flags, value, stateEntry, identifier) : PropagatorResult.CreateServerGenKeyValue(flags, value, stateEntry, identifier, recordOrdinal);
this.m_translator.KeyManager.RegisterIdentifierOwner(owner);
return(owner);
}
if ((memberInformation.IsServerGenerated || memberInformation.IsForeignKeyMember) && record1 != null)
{
return(PropagatorResult.CreateServerGenSimpleValue(flags, value, record1, recordOrdinal));
}
return(PropagatorResult.CreateSimpleValue(flags, value));
}
