C# (CSharp) Walker.GoLightweight示例

示例#1

        public static IEnumerable <Walker.Tuple> Differing(Type type, object source, object target, IEnumerable <string> includeFields, IEnumerable <string> excludeFields)
        {
            if (excludeFields != null)
            {
                excludeFields = excludeFields.AsArray();
            }

            if (includeFields != null)
            {
                includeFields = includeFields.AsArray();
            }

#if DEBUG
            // perf hit, but useful for debugging
            ReportInvalidProperties(type, excludeFields);
            ReportInvalidProperties(type, includeFields);
#endif

            var differing = Walker.GoLightweight(type, source, target, x =>
            {
                if (!x.CanWrite)
                {
                    return(false);
                }

                if (includeFields != null && !includeFields.Contains(x.Name))
                {
                    return(false);
                }

                if (excludeFields != null && excludeFields.Contains(x.Name))
                {
                    return(false);
                }

                return(true);
            });

            foreach (var i in differing)
            {
                var s = i.sourceValue;
                var t = i.targetValue;

                if (s == t)
                {
                    continue;
                }
                else if (s == null || t == null)
                {
                    yield return(i);
                }
                else if (!s.Equals(t))
                {
                    yield return(i);
                }
            }
        }