Again, I think this would be a definite value. Jeff ________________________________
From: Jean-Sebastien Delfino [mailto:[EMAIL PROTECTED] Sent: Tue 2007-10-23 14:23 To: tuscany-user@ws.apache.org Subject: Re: SCA WCF Integration Jean-Sebastien Delfino wrote: > Anderson, Jeff T (CA - Toronto) wrote: >> Our client is also very interested in this topic, be very interested >> in seeing how it performed tighter integration, such as being able to >> declare an intent on a wcf service method and use the Tuscany or >> other SCA policy framework to satisfy the intent at runtime. Just >> one of many examples, I don't know a lot about W.CF but it does seem >> that the approach is very similar to SCA, so in theory, a binding >> shouldn't necessarily be Uber difficult. >> Is anybody else interested in tighter integration up there? >> Regards >> Jeff >> >> ________________________________ >> >> From: Simon Nash [mailto:[EMAIL PROTECTED] >> Sent: Mon 2007-10-22 10:33 >> To: tuscany-user@ws.apache.org >> Subject: Re: SCA WCF Integration >> >> >> >> You are correct that in Tuscany currently we don't have any way to >> make a WCF Web service part of the SCA domain. >> >> I think there are (at least) two options for how you could do this. >> >> 1. Use <binding.ws> on a SCDL reference to connect from the SCA domain >> to the WCF Web service. The reference is part of the SCA domain but >> the WCF Web service that it invokes is not part of the SCA domain. >> >> 2. Create an SCA service that encapsulates the WCF service, and wire >> to this SCA service in the usual way. The encapsulating SCA service >> is part of the SCA domain. It would be possible to create a new >> component implementation type <implementation.wcf> to specify this >> encapsulation and perform the necessary WCF invocations. >> >> This is a great topic to discuss and I'm sure others will have other >> alternatives and opinions on the pros and cons of various approaches. >> >> Simon >> >> James, Steven wrote: >> >> >>> I have a question regarding WCF and SCA integration which I am hoping >>> someone in this list can give clarity to. >>> >>> As far as I see it currently a WCF Web service is not part of the >>> SCADomain. If a composed component had a dependency on a WCF component >>> could an explicit reference be set to that WCF web service in the SCDL >>> file? Or is this an internal matter and how we connect and invoke the >>> WCF component should be encapsulated in our SCA component? >>> >>> Regards, >>> >>> Steve >>> >>> > > A few more thoughts, using the WCF Getting Started Calculator example > at http://msdn2.microsoft.com/en-us/library/ms751519.aspx to > illustrate what could be done... > > - Step 1: Model the WCF service as an SCA reference with a WS binding, > would look like this: > > <composite xmlns="http://www.osoa.org/xmlns/sca/1.0" > targetNamespace="http://sample" > xmlns:sample="http://sample" > name="Calculator"> > > <!-- A Java Calculator service component, > delegating the "add" operation to the WCF Calculator service --> > <component name="CalculatorServiceComponent"> > <implementation.java class="calculator.CalculatorServiceImpl"/> > > <!-- the addService reference bound to the WCF Calculator > service --> > <reference name="addService"> > <binding.ws port="...the WCF Calculator WSDL..."/> > </reference> > > </component> > > </composite> > > Here the SCA domain only contains a reference to the external WCF > service and its WSDL configuration. > > > - Step 2: Model the WCF Calculator as an SCA component implementation, > like that: > > <composite xmlns="http://www.osoa.org/xmlns/sca/1.0" > targetNamespace="http://sample" > xmlns:sample="http://sample" > name="Calculator"> > > <!-- A Java Calculator service component > delegating the "add" operation to the WCF Calculator service > component --> > <component name="CalculatorServiceComponent"> > <implementation.java class="calculator.CalculatorServiceImpl"/> > > <!-- the addService reference wired to the WCF Calculator > service component --> > <reference name="addService" > target="WCFCalculatorServiceComponent"/> > > </component> > > <!-- A service component representing the WCF Calculator example --> > <component name="WCFCalculatorServiceComponent"> > > <!-- Web.config defines the app's services and references --> > <implementation.net > config="C:\WCF-Samples\TechnologySamples\Basic\GettingStarted\CS\service\Web.config"/> > > > </component> > > </composite> > > Here we would represent the WCF app as a component implementation, > introspect its WCF Web.config or App.config file to determine the > services it offers, its references and configuration. Once you've > represented the WCF app as an SCA implementation + component you can > start using SCA wiring in your SCA domain as usual. > > > To get Step 1 going will only require some configuration and Axis2 / > WCF interop testing. > > Step 2 will take a little bit of coding to support > <implementation.net> and introspect WCF configs but it should be > pretty easy to do... > > Thoughts? > A few more code snippets to help illustrate Step 2: This Web.config could be represented as an SCA component providing a service: <configuration> <system.serviceModel> <services> <service name="Microsoft.ServiceModel.Samples.CalculatorService" behaviorConfiguration="CalculatorServiceBehavior"> <!-- ICalculator is exposed at the base address provided by host: http://localhost/servicemodelsamples/service.svc --> <endpoint address="" binding="wsHttpBinding" contract="Microsoft.ServiceModel.Samples.ICalculator" /> <!-- the mex endpoint is exposed at http://localhost/servicemodelsamples/service.svc/mex --> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /> </service> </services> <!--For debugging purposes set the includeExceptionDetailInFaults attribute to true--> <behaviors> <serviceBehaviors> <behavior name="CalculatorServiceBehavior"> <serviceMetadata httpGetEnabled="True"/> <serviceDebug includeExceptionDetailInFaults="False" /> </behavior> </serviceBehaviors> </behaviors> </system.serviceModel> </configuration> And that App.config could be represented as an SCA component with a reference: <configuration> <system.serviceModel> <client> <endpoint address="http://localhost/servicemodelsamples/service.svc" binding="wsHttpBinding" contract="Microsoft.ServiceModel.Samples.ICalculator" /> </client> </system.serviceModel> </configuration> Hope this helps. -- Jean-Sebastien --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] ----------------------------------------- ************************************************************************************** Confidentiality Warning: This message and any attachments are intended only for the use of the intended recipient(s), are confidential, and may be privileged. 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