Beispiel #1
0
            private void AddInclude(SimpleType source, MemberExpression memberSelector, LambdaExpression collectionInclude)
            {
                var members = source.GetAllMembers();

                if (members.Count > 0 && memberSelector.GetDepth() > 1)
                {
                    var innermostMember = ExpressionUtil.GetInnermostMemberExpression(memberSelector);
                    foreach (var kvp in members)
                    {
                        if (kvp.Key == innermostMember.Member)
                        {
                            AddInclude(kvp.Value, ExpressionUtil.ReplaceInnermostMemberExpressionWithParameter(memberSelector) as MemberExpression, collectionInclude);
                            return;
                        }
                    }
                }
                else
                {
                    var parameter = ExpressionUtil.GetParameterExpression(memberSelector);
                    if (collectionInclude != null)
                    {
                        source.Includes.Add(IncludeDirectiveUtil.GetIncludeInCollectionDirective(memberSelector, collectionInclude));
                    }
                    else
                    {
                        source.Includes.Add(IncludeDirectiveUtil.GetIncludeDirective(memberSelector));
                    }
                }
            }
Beispiel #2
0
        /// <summary>
        /// Finds whether exp1 is a part of the expression exp2
        /// </summary>
        /// <param name="exp1"></param>
        /// <param name="exp2"></param>
        /// <returns></returns>
        public static bool IsPartOf(this MemberExpression exp1, MemberExpression exp2)
        {
            Func <MemberExpression, int, MemberExpression> SliceToDepth = (exp, depth) =>
            {
                var currentDepth = exp.GetDepth();
                for (int i = currentDepth; i > depth; i--)
                {
                    exp = exp.Expression as MemberExpression;
                }
                return(exp);
            };

            var depth1 = exp1.GetDepth();
            var depth2 = exp2.GetDepth();

            if (depth1 >= depth2)
            {
                return(false);
            }
            var partOfExp2 = SliceToDepth(exp2, depth1);

            return(IsMatching(exp1, partOfExp2));
        }
        private void AddIncludes(SerializableObjectGraph objectGraph, MemberExpression includedPropertyChain, IEnumerable <MemberExpression> collectionIncludes)
        {
            var memberExp = ExpressionUtil.GetInnermostMemberExpression(includedPropertyChain);
            var propInfo  = objectGraph.GetInstance().GetType().GetProperty(memberExp.Member.Name);

            if (IsPropertyLoadedOnEntity(objectGraph.GetInstance(), propInfo))
            {
                var propVal = propInfo.GetValue(objectGraph.GetInstance(), null);
                if (propVal == null)
                {
                    return;
                }

                if (TypesUtil.IsNonPrimitiveCollection(propInfo.PropertyType))
                {
                    var collInclude = objectGraph.IncludedMembers.ContainsKey(propInfo) ?
                                      objectGraph.IncludedMembers[propInfo] : null;

                    if (collInclude == null)
                    {
                        var list = new List <IObjectGraph>();

                        foreach (var item in (propVal as IEnumerable))
                        {
                            list.Add(new SerializableInstance {
                                Object = item, InstanceType = item.GetType()
                            });
                        }

                        collInclude = new SerializableCollection
                        {
                            Collection   = list,
                            InstanceType = propInfo.PropertyType
                        };

                        objectGraph.IncludedMembers.Add(propInfo, collInclude);
                    }

                    if (collectionIncludes != null)
                    {
                        foreach (SerializableObjectGraph instanceWrapper in (collInclude as SerializableCollection).Collection)
                        {
                            foreach (var include in collectionIncludes)
                            {
                                AddIncludes(instanceWrapper, include, null);
                            }
                        }
                    }
                }
                else
                {
                    var fieldInclude = objectGraph.IncludedMembers.ContainsKey(propInfo) ?
                                       objectGraph.IncludedMembers[propInfo] : null;

                    if (fieldInclude == null)
                    {
                        fieldInclude = new SerializableInstance {
                            Object = propVal, InstanceType = propInfo.PropertyType
                        };
                        objectGraph.IncludedMembers.Add(propInfo, fieldInclude);
                    }

                    if (includedPropertyChain.GetDepth() > 1)
                    {
                        AddIncludes(fieldInclude,
                                    ExpressionUtil.ReplaceInnermostMemberExpression(includedPropertyChain, Expression.Parameter(memberExp.Type, "x")) as MemberExpression,
                                    collectionIncludes);
                    }
                }
            }
        }