internal static IEnumerable ProjectionSelect(ODataEntityMaterializer materializer, MaterializerEntry entry, Type expectedType, Type resultType, ProjectionPath path, Func <object, object, Type, object> selector)
{
ClientEdmModel model = ClientEdmModel.GetModel(materializer.ResponseInfo.MaxProtocolVersion);
ClientTypeAnnotation clientTypeAnnotation = entry.ActualType ?? model.GetClientTypeAnnotation(model.GetOrCreateEdmType(expectedType));
IEnumerable enumerable = (IEnumerable)Util.ActivatorCreateInstance(typeof(List <>).MakeGenericType(new Type[] { resultType }), new object[0]);
MaterializerNavigationLink link = null;
ClientPropertyAnnotation property = null;
for (int i = 0; i < path.Count; i++)
{
ProjectionPathSegment segment = path[i];
if (segment.SourceTypeAs != null)
{
clientTypeAnnotation = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(segment.SourceTypeAs));
}
if (segment.Member != null)
{
string member = segment.Member;
property = clientTypeAnnotation.GetProperty(member, false);
link = GetPropertyOrThrow(entry.NavigationLinks, member, entry.Id);
if (link.Entry != null)
{
entry = link.Entry;
clientTypeAnnotation = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(property.PropertyType));
}
}
}
ValidatePropertyMatch(property, link.Link);
MaterializerFeed feed = MaterializerFeed.GetFeed(link.Feed);
Action <object, object> addToCollectionDelegate = ODataMaterializer.GetAddToCollectionDelegate(enumerable.GetType());
foreach (ODataEntry entry2 in feed.Entries)
{
object obj2 = selector(materializer, entry2, property.EntityCollectionItemType);
addToCollectionDelegate(enumerable, obj2);
}
ProjectionPlan plan = new ProjectionPlan {
LastSegmentType = property.EntityCollectionItemType,
Plan = selector,
ProjectedType = resultType
};
materializer.FoundNextLinkForCollection(enumerable, feed.NextPageLink, plan);
return(enumerable);
}
internal static object ProjectionValueForPath(ODataEntityMaterializer materializer, MaterializerEntry entry, Type expectedType, ProjectionPath path)
{
if ((path.Count == 0) || ((path.Count == 1) && (path[0].Member == null)))
{
if (!entry.EntityHasBeenResolved)
{
materializer.Materialize(entry, expectedType, false);
}
return(entry.ResolvedObject);
}
object streamLink = null;
ODataNavigationLink link = null;
ODataProperty atomProperty = null;
ICollection <ODataNavigationLink> navigationLinks = entry.NavigationLinks;
IEnumerable <ODataProperty> properties = entry.Entry.Properties;
ClientEdmModel model = ClientEdmModel.GetModel(materializer.ResponseInfo.MaxProtocolVersion);
for (int i = 0; i < path.Count; i++)
{
Func <StreamDescriptor, bool> predicate = null;
Func <ODataNavigationLink, bool> func2 = null;
Func <ODataProperty, bool> func3 = null;
Func <ODataProperty, bool> func4 = null;
Func <ODataNavigationLink, bool> func5 = null;
string propertyName;
ProjectionPathSegment segment = path[i];
if (segment.Member != null)
{
bool flag = i == (path.Count - 1);
propertyName = segment.Member;
expectedType = segment.SourceTypeAs ?? expectedType;
ClientPropertyAnnotation property = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(expectedType)).GetProperty(propertyName, false);
if (property.IsStreamLinkProperty)
{
if (predicate == null)
{
predicate = sd => sd.Name == propertyName;
}
StreamDescriptor descriptor = entry.EntityDescriptor.StreamDescriptors.Where <StreamDescriptor>(predicate).SingleOrDefault <StreamDescriptor>();
if (descriptor == null)
{
if (segment.SourceTypeAs == null)
{
throw new InvalidOperationException(System.Data.Services.Client.Strings.AtomMaterializer_PropertyMissing(propertyName, entry.Entry.Id));
}
return(WebUtil.GetDefaultValue <DataServiceStreamLink>());
}
streamLink = descriptor.StreamLink;
}
else
{
if (segment.SourceTypeAs != null)
{
if (func2 == null)
{
func2 = p => p.Name == propertyName;
}
if (!navigationLinks.Any <ODataNavigationLink>(func2))
{
if (func3 == null)
{
func3 = p => p.Name == propertyName;
}
if (!properties.Any <ODataProperty>(func3) && flag)
{
return(WebUtil.GetDefaultValue(property.PropertyType));
}
}
}
if (func4 == null)
{
func4 = p => p.Name == propertyName;
}
atomProperty = properties.Where <ODataProperty>(func4).FirstOrDefault <ODataProperty>();
if (func5 == null)
{
func5 = p => p.Name == propertyName;
}
link = ((atomProperty == null) && (navigationLinks != null)) ? navigationLinks.Where <ODataNavigationLink>(func5).FirstOrDefault <ODataNavigationLink>() : null;
if ((link == null) && (atomProperty == null))
{
throw new InvalidOperationException(System.Data.Services.Client.Strings.AtomMaterializer_PropertyMissing(propertyName, entry.Entry.Id));
}
if (link != null)
{
ValidatePropertyMatch(property, link);
MaterializerNavigationLink link2 = MaterializerNavigationLink.GetLink(link);
if (link2.Feed != null)
{
MaterializerFeed feed = MaterializerFeed.GetFeed(link2.Feed);
Type implementationType = ClientTypeUtil.GetImplementationType(segment.ProjectionType, typeof(ICollection <>));
if (implementationType == null)
{
implementationType = ClientTypeUtil.GetImplementationType(segment.ProjectionType, typeof(IEnumerable <>));
}
Type nestedExpectedType = implementationType.GetGenericArguments()[0];
Type projectionType = segment.ProjectionType;
if (projectionType.IsInterfaceEx() || ODataMaterializer.IsDataServiceCollection(projectionType))
{
projectionType = typeof(Collection <>).MakeGenericType(new Type[] { nestedExpectedType });
}
IEnumerable list = (IEnumerable)Util.ActivatorCreateInstance(projectionType, new object[0]);
MaterializeToList(materializer, list, nestedExpectedType, feed.Entries);
if (ODataMaterializer.IsDataServiceCollection(segment.ProjectionType))
{
list = (IEnumerable)Util.ActivatorCreateInstance(WebUtil.GetDataServiceCollectionOfT(new Type[] { nestedExpectedType }), new object[] { list, TrackingMode.None });
}
ProjectionPlan plan = CreatePlanForShallowMaterialization(nestedExpectedType);
materializer.FoundNextLinkForCollection(list, feed.Feed.NextPageLink, plan);
streamLink = list;
}
else if (link2.Entry != null)
{
MaterializerEntry entry2 = link2.Entry;
if (flag)
{
if ((entry2.Entry != null) && !entry2.EntityHasBeenResolved)
{
materializer.Materialize(entry2, property.PropertyType, false);
}
}
else
{
CheckEntryToAccessNotNull(entry2, propertyName);
}
properties = entry2.Properties;
navigationLinks = entry2.NavigationLinks;
streamLink = entry2.ResolvedObject;
entry = entry2;
}
}
else
{
if (atomProperty.Value is ODataStreamReferenceValue)
{
streamLink = null;
navigationLinks = ODataMaterializer.EmptyLinks;
properties = ODataMaterializer.EmptyProperties;
continue;
}
ValidatePropertyMatch(property, atomProperty);
if (ClientTypeUtil.TypeOrElementTypeIsEntity(property.PropertyType))
{
throw System.Data.Services.Client.Error.InvalidOperation(System.Data.Services.Client.Strings.AtomMaterializer_InvalidEntityType(property.EntityCollectionItemType ?? property.PropertyType));
}
if (property.IsPrimitiveOrComplexCollection)
{
object instance = streamLink ?? (entry.ResolvedObject ?? Util.ActivatorCreateInstance(expectedType, new object[0]));
ODataMaterializer.ApplyDataValue(model.GetClientTypeAnnotation(model.GetOrCreateEdmType(instance.GetType())), atomProperty, materializer.ResponseInfo.IgnoreMissingProperties, materializer.ResponseInfo, instance);
navigationLinks = ODataMaterializer.EmptyLinks;
properties = ODataMaterializer.EmptyProperties;
}
else if (atomProperty.Value is ODataComplexValue)
{
ODataComplexValue complexValue = atomProperty.Value as ODataComplexValue;
ODataMaterializer.MaterializeComplexTypeProperty(property.PropertyType, complexValue, materializer.ResponseInfo.IgnoreMissingProperties, materializer.ResponseInfo);
properties = complexValue.Properties;
navigationLinks = ODataMaterializer.EmptyLinks;
}
else
{
if ((atomProperty.Value == null) && !ClientTypeUtil.CanAssignNull(property.NullablePropertyType))
{
throw new InvalidOperationException(System.Data.Services.Client.Strings.AtomMaterializer_CannotAssignNull(atomProperty.Name, property.NullablePropertyType));
}
ODataMaterializer.MaterializePrimitiveDataValue(property.NullablePropertyType, atomProperty);
navigationLinks = ODataMaterializer.EmptyLinks;
properties = ODataMaterializer.EmptyProperties;
}
streamLink = atomProperty.GetMaterializedValue();
}
}
expectedType = property.PropertyType;
}
}
return(streamLink);
}
internal static bool ProjectionCheckValueForPathIsNull(MaterializerEntry entry, Type expectedType, ProjectionPath path)
{
if ((path.Count == 0) || ((path.Count == 1) && (path[0].Member == null)))
{
return(entry.Entry == null);
}
bool flag = false;
MaterializerNavigationLink link = null;
IEnumerable <ODataNavigationLink> navigationLinks = entry.NavigationLinks;
ClientEdmModel model = ClientEdmModel.GetModel(entry.EntityDescriptor.MaxProtocolVersion);
for (int i = 0; i < path.Count; i++)
{
Func <ODataNavigationLink, bool> predicate = null;
string propertyName;
ProjectionPathSegment segment = path[i];
if (segment.Member != null)
{
bool flag2 = i == (path.Count - 1);
propertyName = segment.Member;
if (segment.SourceTypeAs != null)
{
expectedType = segment.SourceTypeAs;
if (predicate == null)
{
predicate = p => p.Name == propertyName;
}
if (!navigationLinks.Any <ODataNavigationLink>(predicate))
{
return(true);
}
}
IEdmType orCreateEdmType = model.GetOrCreateEdmType(expectedType);
ClientPropertyAnnotation property = model.GetClientTypeAnnotation(orCreateEdmType).GetProperty(propertyName, false);
link = GetPropertyOrThrow(navigationLinks, propertyName, entry.Id);
ValidatePropertyMatch(property, link.Link);
if (link.Feed != null)
{
flag = false;
}
else
{
if (link.Entry == null)
{
return(true);
}
if (flag2)
{
flag = link.Entry.Entry == null;
}
else
{
entry = link.Entry;
navigationLinks = entry.NavigationLinks;
}
}
expectedType = property.PropertyType;
}
}
return(flag);
}
