private static OeEntryFactory CreateEntryFactory(IEdmModel edmModel, OeSelectItem root, Type clrType)
{
ParameterExpression parameter = Expression.Parameter(typeof(Object));
UnaryExpression typedParameter = Expression.Convert(parameter, clrType);
if (root.HasNavigationItems)
{
List <OeSelectItem> navigationItems = FlattenNavigationItems(root, false);
IReadOnlyList <MemberExpression> navigationProperties = OeExpressionHelper.GetPropertyExpressions(typedParameter);
for (int i = navigationItems.Count - 1; i >= 0; i--)
{
OeSelectItem navigationItem = navigationItems[i];
OeEntryFactory[] nestedNavigationLinks = GetNestedNavigationLinks(navigationItem);
OeEntryFactory entryFactory;
Type clrEntityType = edmModel.GetClrType(navigationItem.EntitySet);
OePropertyAccessor[] accessors = GetAccessors(navigationProperties[i].Type, navigationItem.EntitySet, navigationItem.SelectItems);
LambdaExpression linkAccessor = Expression.Lambda(navigationProperties[i], parameter);
if (i == 0)
{
entryFactory = OeEntryFactory.CreateEntryFactoryParent(clrEntityType, navigationItem.EntitySet, accessors, nestedNavigationLinks, linkAccessor);
}
else
{
var resourceInfo = new ODataNestedResourceInfo()
{
IsCollection = navigationItem.EdmProperty.Type.Definition is EdmCollectionType,
Name = navigationItem.EdmProperty.Name
};
entryFactory = OeEntryFactory.CreateEntryFactoryNested(clrEntityType, navigationItem.EntitySet, accessors, nestedNavigationLinks, linkAccessor, resourceInfo);
entryFactory.CountOption = navigationItem.ExpandedNavigationSelectItem.CountOption;
}
navigationItem.EntryFactory = entryFactory;
}
}
else
{
IReadOnlyList <MemberExpression> propertyExpressions = OeExpressionHelper.GetPropertyExpressions(typedParameter);
OePropertyAccessor[] accessors;
if (root.SelectItems.Count == 0)
{
accessors = OePropertyAccessor.CreateFromType(typedParameter.Type, root.EntitySet);
}
else
{
var accessorList = new List <OePropertyAccessor>(root.SelectItems.Count);
for (int i = 0; i < root.SelectItems.Count; i++)
{
OeSelectItem selectItem = root.SelectItems[i];
accessorList.Add(OePropertyAccessor.CreatePropertyAccessor(selectItem.EdmProperty, propertyExpressions[i], parameter, selectItem.SkipToken));
}
accessors = accessorList.ToArray();
}
Type clrEntityType = edmModel.GetClrType(root.EntitySet);
root.EntryFactory = OeEntryFactory.CreateEntryFactory(clrEntityType, root.EntitySet, accessors);
}
return(root.EntryFactory);
}
public OeQueryContext CreateQueryContext(ODataUri odataUri, OeMetadataLevel metadataLevel, Type returnClrType)
{
String entitySetName = _dataAdapter.EntitySetMetaAdapters.FindByClrType(returnClrType).EntitySetName;
IEdmEntitySet entitySet = _model.FindDeclaredEntitySet(entitySetName);
OePropertyAccessor[] accessors = OePropertyAccessor.CreateFromType(returnClrType, entitySet);
Db.OeEntitySetAdapter entitySetAdapter = _dataAdapter.GetEntitySetAdapter(entitySet.Name);
return(new OeQueryContext(_model, odataUri, entitySet, null, false, 0, false,
_dataAdapter.IsDatabaseNullHighestValue, metadataLevel, ref entitySetAdapter)
{
EntryFactory = OeEntryFactory.CreateEntryFactory(entitySet, accessors),
});
}
public OeEntryFactory CreateEntryFactory(IEdmEntitySet entitySet, Type clrType)
{
OePropertyAccessor[] accessors;
if (_aggProperties.Count == 0)
{
accessors = OePropertyAccessor.CreateFromType(clrType, entitySet);
}
else
{
int groupIndex = _aggProperties.FindIndex(a => a.IsGroup);
accessors = OePropertyAccessor.CreateFromTuple(clrType, _aggProperties, groupIndex);
}
return(OeEntryFactory.CreateEntryFactory(entitySet, accessors));
}
private static OeEntryFactory CreateEntryFactory(IEdmModel edmModel, Expression source, Type entityType, List <AggProperty> _aggProperties)
{
IEdmEntitySet entitySet = OeEdmClrHelper.GetEntitySet(edmModel, entityType);
OePropertyAccessor[] accessors;
if (_aggProperties.Count == 0)
{
accessors = OePropertyAccessor.CreateFromType(entityType, entitySet);
}
else
{
Type sourceItemType = OeExpressionHelper.GetCollectionItemType(source.Type);
int groupIndex = _aggProperties.FindIndex(a => a.IsGroup);
accessors = OePropertyAccessor.CreateFromTuple(sourceItemType, _aggProperties, groupIndex);
}
return(OeEntryFactory.CreateEntryFactory(entitySet, accessors));
}