Exemple #1
0
            internal override Expression VisitMethodCall(MethodCallExpression m)
            {
                // We throw NotSupportedException when IsDisallowedExceptionForMethodCall() is true
                // or we have a method call on a non-entity type, for example c.MyCollectionComplexProperty.Select(...)
                if ((m.Object != null && (IsDisallowedExpressionForMethodCall(m.Object, this.context.Model) || !ClientTypeUtil.TypeOrElementTypeIsEntity(m.Object.Type))) ||
                    m.Arguments.Any(a => IsDisallowedExpressionForMethodCall(a, this.context.Model)) ||
                    (m.Object == null && !ClientTypeUtil.TypeOrElementTypeIsEntity(m.Arguments[0].Type)))
                {
                    throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(this.type, m.ToString()));
                }

                if (ProjectionAnalyzer.IsMethodCallAllowedEntitySequence(m))
                {
                    CheckChainedSequence(m, this.type);

                    // allow selects for following pattern:
                    // Orders = c.Orders.Select(o=> new NarrowOrder {...}).ToList();
                    return(base.VisitMethodCall(m));
                }

                throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjectionToEntity(this.type, m.ToString()));
            }
Exemple #2
0
            internal override Expression VisitMethodCall(MethodCallExpression m)
            {
                if ((m.Object != null && IsDisallowedExpressionForMethodCall(m.Object, this.context.Model)) ||
                    m.Arguments.Any(a => IsDisallowedExpressionForMethodCall(a, this.context.Model)))
                {
                    throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(this.type, m.ToString()));
                }

                CheckChainedSequence(m, this.type);
                if (ProjectionAnalyzer.IsMethodCallAllowedEntitySequence(m))
                {
                    // allow IEnum.Select and IEnum.ToList even if entity type.
                    return(base.VisitMethodCall(m));
                }

                if ((m.Object != null ? ClientTypeUtil.TypeOrElementTypeIsEntity(m.Object.Type) : false) ||
                    m.Arguments.Any(a => ClientTypeUtil.TypeOrElementTypeIsEntity(a.Type)))
                {
                    throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(this.type, m.ToString()));
                }

                return(base.VisitMethodCall(m));
            }