private object GetCollectionInstance(ClientPropertyAnnotation property, out bool instanceCreated)
{
instanceCreated = false;
object obj2 = property.GetValue(this.entity);
if (obj2 != null)
{
return obj2;
}
instanceCreated = true;
Type propertyType = property.PropertyType;
if (BindingEntityInfo.IsDataServiceCollection(propertyType, base.RequestInfo.MaxProtocolVersion))
{
object[] args = new object[2];
args[1] = TrackingMode.None;
return Activator.CreateInstance(WebUtil.GetDataServiceCollectionOfT(new Type[] { property.EntityCollectionItemType }), args);
}
Type c = typeof(List<>).MakeGenericType(new Type[] { property.EntityCollectionItemType });
if (!propertyType.IsAssignableFrom(c))
{
c = propertyType;
}
return Activator.CreateInstance(c);
}
internal static bool TryGetPropertyValue(object source, string sourceProperty, DataServiceProtocolVersion maxProtocolVersion, out BindingPropertyInfo bindingPropertyInfo, out ClientPropertyAnnotation clientProperty, out object propertyValue)
{
Type entityType = source.GetType();
bindingPropertyInfo = GetObservableProperties(entityType, maxProtocolVersion).SingleOrDefault<BindingPropertyInfo>(x => x.PropertyInfo.PropertyName == sourceProperty);
bool flag = bindingPropertyInfo != null;
if (!flag)
{
clientProperty = GetClientType(entityType, maxProtocolVersion).GetProperty(sourceProperty, true);
flag = clientProperty != null;
if (!flag)
{
propertyValue = null;
return flag;
}
propertyValue = clientProperty.GetValue(source);
return flag;
}
clientProperty = null;
propertyValue = bindingPropertyInfo.PropertyInfo.GetValue(source);
return flag;
}
private MaterializeAtom ReadPropertyFromAtom(EntityDescriptor box, ClientPropertyAnnotation property)
{
MaterializeAtom atom2;
DataServiceContext source = (DataServiceContext) base.Source;
bool applyingChanges = source.ApplyingChanges;
try
{
source.ApplyingChanges = true;
bool flag2 = EntityStates.Deleted == box.State;
bool instanceCreated = false;
object instance = null;
if (property.IsEntityCollection)
{
instance = this.GetCollectionInstance(property, out instanceCreated);
}
Type type = property.IsEntityCollection ? property.EntityCollectionItemType : property.NullablePropertyType;
IList results = (IList) Activator.CreateInstance(typeof(List<>).MakeGenericType(new Type[] { type }));
DataServiceQueryContinuation continuation = null;
using (MaterializeAtom atom = base.GetMaterializer(this.plan))
{
bool flag4 = property.EdmProperty.PropertyKind == EdmPropertyKind.Navigation;
int num = 0;
foreach (object obj3 in atom)
{
if (property.IsEntityCollection)
{
property.SetValue(instance, obj3, this.propertyName, true);
results.Add(obj3);
}
else if (property.IsPrimitiveOrComplexCollection)
{
object obj4 = property.GetValue(this.entity);
if (obj4 == null)
{
obj4 = Activator.CreateInstance(obj3.GetType());
property.SetValue(this.entity, obj4, this.propertyName, false);
}
else
{
property.ClearBackingICollectionInstance(obj4);
}
foreach (object obj5 in (IEnumerable) obj3)
{
property.AddValueToBackingICollectionInstance(obj4, obj5);
}
results.Add(obj4);
}
else
{
property.SetValue(this.entity, obj3, this.propertyName, false);
results.Add(obj3);
}
num++;
if (((obj3 != null) && (MergeOption.NoTracking != atom.MergeOptionValue)) && flag4)
{
if (flag2)
{
source.DeleteLink(this.entity, this.propertyName, obj3);
}
else
{
source.AttachLink(this.entity, this.propertyName, obj3, atom.MergeOptionValue);
}
}
}
continuation = atom.GetContinuation(null);
Util.SetNextLinkForCollection(property.IsEntityCollection ? instance : this.entity, continuation);
}
if (instanceCreated)
{
property.SetValue(this.entity, instance, this.propertyName, false);
}
atom2 = MaterializeAtom.CreateWrapper(source, results, continuation);
}
finally
{
source.ApplyingChanges = applyingChanges;
}
return atom2;
}
