Hi All, I came across this requirement, while working with Spring, but I believe this topic also holds good for Java implementations.
Spring supports Constructor Injection by allowing to inject properties and objects via the constructors. Not sure if Tuscany should support this feature? As SCA+Spring depends on Tuscany runtime for binding and dependency injections. I believe currently Tuscany supports injection of service references through getter & setter methods. This question arises because the biggest benefit of setter injection is that it allows for circular dependencies. Circular dependencies are actually pretty common. If you have a UserService that needs to get information about an employer from CompanyService and the CompanyService needs information about employees from UserService, right there you have a circular dependency. In general I find a lot of circular dependencies between service methods, but with complex object models it is possible to have circular dependencies elsewhere. So considering the circular dependency issue, I believe it would be a bad idea to support the same in Tuscany. Like to hear from the community for more insight on this topic and how we should go about it. -- Thanks & Regards, Ramkumar Ramalingam