private bool TryGetCachedObject(object[] keyValues, out T cached)
{
cached = default(T);
if (refersToPrimaryKey)
{
var type = member.IsAssociation ? member.Association.OtherType : member.DeclaringType;
var cachedObject = services.GetCachedObject(type, keyValues);
if (cachedObject != null)
{
cached = (T)cachedObject;
return(true);
}
}
return(false);
}
private TrackedObject GetOtherItem(MetaAssociation assoc, object instance)
{
if (instance == null)
{
return(null);
}
object obj = null;
if (assoc.ThisMember.StorageAccessor.HasAssignedValue(instance) || assoc.ThisMember.StorageAccessor.HasLoadedValue(instance))
{
obj = assoc.ThisMember.MemberAccessor.GetBoxedValue(instance);
}
else if (assoc.OtherKeyIsPrimaryKey)
{
var foreignKeyValues = CommonDataServices.GetForeignKeyValues(assoc, instance);
obj = services.GetCachedObject(assoc.OtherType, foreignKeyValues);
}
if (obj == null)
{
return(null);
}
return(tracker.GetTrackedObject(obj));
}