Ejemplo n.º 1
0
        public IRootAccessor <TClass> MapProperties <TProperty>(Expression <Func <TClass, TProperty> > expr,
                                                                Expression <Func <TProperty, bool> > includeFilter = null)
            where TProperty : class
        {
            Visit(expr);

            var accessor = latestAccessor as IPropertyAccessor <TClass>;

            //dupes at this point
            if (!_rootAccessor.Properties.Contains(accessor))
            {
                _rootAccessor.Properties.Add(accessor);
            }

            if (includeFilter != null)
            {
                if (latestAccessor is PropertyAccessor <TClass, TProperty> accessorImpl)
                {
                    accessorImpl.AddFilter(includeFilter);
                }
                else
                {
                    //can type checking be added here?
                    var     propertyAccessor = _rootAccessor.GetByPath(PathWalker.GetPath(expr));
                    dynamic dynamicAccessor  = propertyAccessor;
                    AddFilterForDynamicType(dynamicAccessor, includeFilter);
                }
            }

            return(_rootAccessor);
        }
Ejemplo n.º 2
0
        internal static List <MemberInfo> GetMembers(MemberExpression expr)
        {
            var walker = new PathWalker();

            walker.Visit(expr);
            walker._members.Reverse();

            return(walker._members);
        }
Ejemplo n.º 3
0
        internal static List <string> GetPath(MemberExpression expr)
        {
            var walker = new PathWalker();

            walker.Visit(expr);
            walker._members.Reverse();

            return(walker._members.Select(x => x.Name).ToList());
        }
Ejemplo n.º 4
0
        internal static List <MemberInfo> GetMembers <TEntity, TProperty>(Expression <Func <TEntity, TProperty> > expr)
            where TEntity : class
            where TProperty : class
        {
            var walker = new PathWalker();

            walker.Visit(expr);
            walker._members.Reverse();

            return(walker._members);
        }
Ejemplo n.º 5
0
        internal static List <string> GetPath <TEntity, TProperty>(Expression <Func <TEntity, TProperty> > expr)
            where TEntity : class
            where TProperty : class
        {
            var walker = new PathWalker();

            walker.Visit(expr);
            walker._members.Reverse();

            return(walker._members.Select(x => x.Name).ToList());
        }
Ejemplo n.º 6
0
        internal static PropertyAccessor <TEntity, TProperty> Create <TEntity, TProperty>
            (MemberExpression exp, IPropertyAccessor parentAccessor, IRootAccessor root)
            where TEntity : class
            where TProperty : class
        {
            var pathParts   = PathWalker.GetPath(exp);
            var newAccessor = root.GetByPath <TEntity, TProperty>(pathParts) ??
                              new PropertyAccessor <TEntity, TProperty>(exp, root.MappingSchema);

            if (parentAccessor != null && !newAccessor.Properties.Contains(parentAccessor))
            {
                var genericParentAccessor = (IPropertyAccessor <TProperty>)parentAccessor;
                newAccessor.PropertiesOfTClass.Add(genericParentAccessor);
            }

            return(newAccessor);
        }
Ejemplo n.º 7
0
        public static bool Set <TClass, TProperty>(Expression <Func <TClass, TProperty> > expr,
                                                   Func <IQueryable <TClass>, Expression <Func <TProperty, bool> >, List <TProperty> > queryExecuter,
                                                   Func <IQueryable <TClass>, Expression <Func <TProperty, bool> >, IQueryable <TProperty> > reusableQueryBuilder)
            where TClass : class
            where TProperty : class
        {
            var memberInfo = PathWalker.GetMembers(expr).LastOrDefault();

            if (memberInfo == null)
            {
                return(false);
            }

            var cpa = new CustomPropertyAccessor <TClass, TProperty>(
                memberInfo.GetHashCode(),
                queryExecuter,
                reusableQueryBuilder);

            return(CustomOverrides.TryAdd(cpa.Key, cpa));
        }