Tuscany SCA java and JDeveloper 11g

This weekend I was testdriving the Tuscany SCA java release, this release works very well. I hope there will be an Oracle implementation of SCA JAVA soon. The development of SCA and SDO are very important to make better and less complex soa applications. Gartner's vice president of application integration and middleware analysis says "SDO does for data in a SOA application what SCA does for service components, it abstracts the developer's view of the data in an effort to simplify the design and maintenance of data-handling application functions." With Tuscany it is very easy to expose new Services. Use components written in other languages then Java ( script, bpel, spring etc) or use ws, rmi, ejb or jms components. All you have to do is to configure the composite file. So you can use every component in your application. That is enough theory for this blog.
JDeveloper 11G TP3 does not supports SCA Java. It is not know if it will support it in the 11g release but with 11g you can make SDO services. This is very easy, for more info see my previous blog . Let's try to use a jdev sdo service as a component in a tuscany application. I create a new jdeveloper project and add all the tuscany libraries to this project. Then create a composite file called customer.composite and put it in the root of src folder.

<?xml version="1.0" encoding="UTF-8"?>
<composite xmlns="http://www.osoa.org/xmlns/sca/1.0" targetNamespace="/nl/ordina/hr/model/service/common/"
    xmlns:dbsdo="http://tuscany.apache.org/xmlns/sca/databinding/sdo/1.0" name="customer"
     xmlns:tns="/nl/ordina/hr/model/service/common/"
     xmlns:types="/nl/ordina/hr/model/service/common/types/"
     xmlns:errors="http://xmlns.oracle.com/adf/svc/errors/"
     xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
    >
    <component name="CustomerServiceComponent">
        <implementation.java class="nl.ordina.soa.sdo.CustomerServiceComponent" />
        <reference name="customerService"/>
    </component>
    <reference name="customerService" promote="CustomerServiceComponent/customerService">
        <interface.java interface="nl.ordina.hr.model.service.common.serviceinterface.CustomerService" />
        <binding.ws uri="http://XPCND7010XMP.work.local:8989/EJB-sdo_hr-Model-context-root/CustomerService" />
    </reference>
</composite>

Here I defined a component which I can use in my app and this component uses the web service reference to connect to the sdo webservice.
Now add the sdo customer service jars to this project. We have to create a class which implements the sdo customerservice.

package nl.ordina.soa.sdo;

import java.util.List;
import nl.ordina.hr.model.dataaccess.common.CustomersViewSDO;
import nl.ordina.hr.model.service.common.serviceinterface.CustomerService;
import oracle.jbo.common.service.types.FindControl;
import oracle.jbo.common.service.types.FindCriteria;
import oracle.jbo.common.service.types.ProcessControl;
import oracle.jbo.common.service.types.ProcessData;

import org.osoa.sca.annotations.Reference;

public class CustomerServiceComponent implements CustomerService {

    private CustomerService customerService;

    @Reference 
    public void setCustomerService(CustomerService customerService) {
        this.customerService = customerService;
    }

    public CustomerService getCustomerService() {
        return customerService;
    }

    public CustomersViewSDO getCustomersView(Integer customerId){

       System.out.println("Called getCustomersView");
       return customerService.getCustomersView(customerId) ;
    }
    
    public CustomersViewSDO createCustomersView(CustomersViewSDO customersView)  {
        return customerService.createCustomersView(customersView);
    }

    public CustomersViewSDO updateCustomersView(CustomersViewSDO customersView) {
       return customerService.updateCustomersView(customersView);
    }

    public void deleteCustomersView(CustomersViewSDO customersView){
        customerService.deleteCustomersView(customersView);
    }

    public CustomersViewSDO mergeCustomersView(CustomersViewSDO customersView)  {
        return  customerService.mergeCustomersView(customersView);
    }

    public List findCustomersView(FindCriteria findCriteria, 
                                                    FindControl findControl) {
       return customerService.findCustomersView(findCriteria, findControl);
    }

    public List processCustomersView(String changeOperation, 
                                                       List customersView, 
                                                       ProcessControl processControl)  {
        return customerService.processCustomersView(changeOperation,customersView, processControl);
    }

    public ProcessData processCSCustomersView(ProcessData processData, 
                                              ProcessControl processControl) {
        return customerService.processCSCustomersView(processData, processControl);
    }
}

Now we can test it. Create a test class where we load the composite file and call a method of the customerservice.

package nl.ordina.soa.sdo;

import nl.ordina.hr.model.dataaccess.common.CustomersViewSDO;
import nl.ordina.hr.model.service.common.serviceinterface.CustomerService;
import org.apache.tuscany.sca.host.embedded.SCADomain;

public class Launch {
    public final static void main(String[] args) throws Exception {
        SCADomain scaDomain = SCADomain.newInstance("customer.composite");

        CustomerService customerService = scaDomain.getService(CustomerService.class, "CustomerServiceComponent");
        
        Integer custId = 147;
        CustomersViewSDO cust = customerService.getCustomersView(custId);
        System.out.println(cust.getCustFirstName()+" "+cust.getCustLastName());

        scaDomain.close();
    }
}

I got an error but Simon of tuscany helped me, I forgot the add @Reference to the customerService Setter.