bool HasIncludedMembers(EntityExpression entity)
{
foreach (var mi in entity.Entity.Members)
{
if (policy.IsIncluded(mi.Member))
{
return(true);
}
}
return(false);
}
protected override Expression VisitEntity(EntityExpression entity)
{
var init = entity.Expression as MemberInitExpression;
if (init != null)
{
var save = includeScope;
includeScope = new ScopedDictionary <IProperty, bool>(this.includeScope);
List <MemberBinding> newBindings = null;
foreach (var property in PropertyUnity.GetRelatedProperties(entity.Type))
{
PropertyInfo member;
if (property is IPropertyLazy && policy.IsIncluded(member = property.Info.ReflectionInfo))
{
if (includeScope.ContainsKey(property))
{
throw new NotSupportedException(string.Format("Cannot include '{0}.{1}' recursively.", property.Type, property.Name));
}
var me = QueryUtility.GetMemberExpression(init, property);
if (newBindings == null)
{
newBindings = new List <MemberBinding>(init.Bindings);
}
newBindings.Add(Expression.Bind(member, me));
}
}
if (newBindings != null)
{
entity = new EntityExpression(entity.Metadata, Expression.MemberInit(init.NewExpression, newBindings));
}
includeScope = save;
}
return(base.VisitEntity(entity));
}