private static Type GetDeclaringType(RelatedEnd relatedEnd)
{
if (relatedEnd.NavigationProperty != null)
{
var declaringEntityType = (EntityType)relatedEnd.NavigationProperty.DeclaringType;
var mapping = Util.GetObjectMapping(declaringEntityType, relatedEnd.WrappedOwner.Context.MetadataWorkspace);
return(mapping.ClrType.ClrType);
}
else
{
return(relatedEnd.WrappedOwner.IdentityType);
}
}
private Plan GetPlan(DataRecordInfo recordInfo)
{
DebugCheck.NotNull(recordInfo);
DebugCheck.NotNull(recordInfo.RecordType);
var plans = _lastPlans ?? (_lastPlans = new Plan[MaxPlanCount]);
// find an existing plan in circular buffer
var index = _lastPlanIndex - 1;
for (var i = 0; i < MaxPlanCount; ++i)
{
index = (index + 1) % MaxPlanCount;
if (null == plans[index])
{
break;
}
if (plans[index].Key
== recordInfo.RecordType)
{
_lastPlanIndex = index;
return(plans[index]);
}
}
Debug.Assert(0 <= index, "negative index");
Debug.Assert(index != _lastPlanIndex || (null == plans[index]), "index wrapped around");
// create a new plan
var mapping = Util.GetObjectMapping(recordInfo.RecordType.EdmType, _workspace);
Debug.Assert(null != mapping, "null ObjectTypeMapping");
Debug.Assert(
Helper.IsComplexType(recordInfo.RecordType.EdmType),
"IExtendedDataRecord is not ComplexType");
_lastPlanIndex = index;
plans[index] = new Plan(recordInfo.RecordType, mapping, recordInfo.FieldMetadata);
return(plans[index]);
}