使用WCF时创建工厂方法的最佳方法是什么？

I have built a complex query mechanism which I want to provide a factory for in order to assist people with common query patterns. My methods are all revealed via WCF as a SOAP web service. What is the best way to ensure that my factory is easy to use across all clients that may wish to use my service (as I don't expect all of my customers to use .net)?I have built a complex query mechanism which I