protected override Expression VisitMethodCall(MethodCallExpression node)
{
if (node.Method.Name == "Select" &&//both expansion.MemberType and node.Type will be lists
expansion.MemberType.GetUnderlyingElementType() == node.Type.GetUnderlyingElementType() &&
this.expression.ToString().StartsWith(node.ToString())) //makes sure we're not updating some nested "Select"
{
return(node.GetOrderBy(node.GetUnderlyingElementType(), expansion.QueryOption.SortCollection));
}
return(base.VisitMethodCall(node));
}
protected override Expression VisitMethodCall(MethodCallExpression node)
{
if (node.Method.Name == "Select" &&
expansion.MemberType.GetUnderlyingElementType() == node.GetUnderlyingElementType() &&
this.expression.ToString().StartsWith(node.ToString())) //makes sure we're not updating some nested "Select"
{
return(node.GetWhereCall(expansion.FilterOption.FilterLambdaOperator.Build()));
}
return(base.VisitMethodCall(node));
}
protected override Expression VisitMethodCall(MethodCallExpression node)
{
if (node.Method.Name == "Select" &&
expansion.MemberType.GetUnderlyingElementType() == node.GetUnderlyingElementType() &&
this.expression.ToString().StartsWith(node.ToString())) //makes sure we're not updating some nested "Select"
{
FilterLambdaOperator filterOperator = mapper.Map <FilterLambdaOperator>
(
expansion.FilterOption.Filter,
opts => opts.Items[ExpressionOperators.PARAMETERS_KEY] = new Dictionary <string, ParameterExpression>()
);
return(node.GetWhereCall(filterOperator.Build()));
}
return(base.VisitMethodCall(node));
}
protected override Expression VisitMethodCall(MethodCallExpression node)
{
Type elementType = expansion.MemberType.GetUnderlyingElementType();
if (node.Method.Name == "Select" &&
elementType == node.Type.GetUnderlyingElementType() &&
this.expression.ToString().StartsWith(node.ToString())) //makes sure we're not updating some nested "Select"
{
return(Expression.Call
(
node.Method.DeclaringType,
"Where",
new Type[] { node.GetUnderlyingElementType() },
node,
expansion.FilterOptions.FilterClause.GetFilterExpression(elementType)
));
}
return(base.VisitMethodCall(node));
}
