internal IEnumerable GetObjects(Type objectType, IList <string> memberNames, CriteriaOperator criteria, List <SortProperty> sorting, int topReturnedObjectsCount)
{
Guard.ArgumentNotNull(objectType, "objectType");
IList <ISortPropertyInfo> sortInfos = null;
if (sorting != null)
{
sortInfos = sorting.Select(sp => new SortPropertyInfo {
PropertyName = sp.PropertyName, Descending = sp.Direction == SortingDirection.Descending
})
.Cast <ISortPropertyInfo>().ToList();
}
var secureCriteria = GetSecurityCriteria(objectType);
if (!ReferenceEquals(null, criteria))
{
secureCriteria.Add(criteria);
}
string criteriaString = secureCriteria.Count > 0 ? CriteriaOperator.And(secureCriteria).ToString() : null;
var objects = persistenceManager.GetObjects(objectType.AssemblyQualifiedName, criteriaString,
sortInfos, topReturnedObjectsCount);
var keyInstanceCache = instances.Values.Where(ii => objectType.IsInstanceOfType(ii.Instance)).ToDictionary(ii => GetKeyValue(ii.Instance));
for (int i = 0; i < objects.Count; i++)
{
var obj = objects[i];
ObjectSpaceInstanceInfo existingInstanceInfo;
keyInstanceCache.TryGetValue(GetKeyValue(obj), out existingInstanceInfo);
if (existingInstanceInfo != null)
{
objects[i] = existingInstanceInfo.Instance;
}
else
{
AddObject(obj, InstanceState.Unchanged);
}
}
return(objects);
}