[jira] Created: (TUSCANY-3067) WS bindings and SDO

["Sebastián Groh (JIRA)" <de...@tuscany.apache.org>]

WS bindings and SDO
-------------------

                 Key: TUSCANY-3067
                 URL: https://issues.apache.org/jira/browse/TUSCANY-3067
             Project: Tuscany
          Issue Type: Bug
          Components: Java SCA Data Binding Runtime
    Affects Versions: Java-SCA-1.4
         Environment: S.O: Linux,  (Kernel Version 2.6.24-24-generic)
Development tool: Eclipse Platform (Version: 3.4.0)
Application server: Apache Tomcat/5.5.27
            Reporter: Sebastián Groh


Brief description:
I have a composite, this contains a service that have an ws binding, this service only retrieve a SDO object.
This example is helloworld-ws-sdo-webapp based, but the difference is that SDO object not is passed as parameter
in this case the SDO object is returned.
Here I put all needed for replicate the bug

My XSD file is:
<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema"
   targetNamespace="http://eclipse.org/SCAExample1/src/resources/clinicalLaboratory"
   xmlns:tns="http://eclipse.org/SCAExample1/src/resources/clinicalLaboratory"
   elementFormDefault="qualified">
   <complexType name="Practice">
       <sequence>
           <element name="name" type="string" />
       </sequence>
   </complexType>
   <complexType name="Laboratory">
       <sequence>
           <element name="name" type="string" />
           <element name="practices" type="tns:Practice" maxOccurs="unbounded"/>
        </sequence>
   </complexType>
</schema>

Composite file:
<?xml version="1.0" encoding="UTF-8"?>
<sca:composite xmlns:federation="http://eclipse.org/SCAExample1/src/resources/federation"
xmlns:sca="http://www.osoa.org/xmlns/sca/1.0"
name="clinicalLaboratory" targetNamespace="http://eclipse.org/SCAExample1/src/resources/clinicalLaboratory">

<sca:component name="BiochemicalCircleComponent">
   <sca:implementation.java class="services.bcircle.BiochemicalCircleImpl"/>
   <sca:service name="BiochemicalCircle">
    <sca:interface.java interface="services.bcircle.BiochemicalCircle"/>
    <sca:binding.ws uri="http://localhost:8080/SCA1/MyServiceComponent"/>
   </sca:service>
 </sca:component>
 <sca:service name="BiochemicalCircle" promote="BiochemicalCircleComponent/BiochemicalCircle"/>
</sca:composite>

Interface file:

package services.bcircle;
import java.util.ArrayList;
import javax.xml.bind.annotation.XmlType;
import model.sdo.EntityFactory;
import org.apache.tuscany.sca.databinding.annotation.DataBinding;

import org.osoa.sca.annotations.Remotable;

@Remotable
public interface BiochemicalCircle{
    void setLaboratory(model.sdo.Laboratory lab);

    model.sdo.Laboratory getLaboratory(String name);
}


Interface implementation:

package services.bcircle;
import model.sdo.EntityFactory;
import model.sdo.Laboratory;
import org.osoa.sca.annotations.Service;


@Service(BiochemicalCircle.class)
public class BiochemicalCircleImpl implements BiochemicalCircle{
   public Laboratory getLaboratory(String name) {

      Laboratory lab = EntityFactory.INSTANCE.createLaboratory();
      lab.setName("Main Laboratory");
      return lab;
   }

   public void setLaboratory(Laboratory lab) {
      //sad method
      System.out.println(lab.getName());
   }
}

My Test class:
package test;

import model.sdo.EntityFactory;
import model.sdo.Laboratory;

import org.apache.tuscany.sca.host.embedded.SCADomain;
import services.bcircle.BiochemicalCircle;
import services.bcircle.BiochemicalCircleImpl;


public class Test {

    /**
     * @param args
     */
    public static void main(String[] args) {
        BiochemicalCircle biochemicalCircl = new BiochemicalCircleImpl();
        Laboratory lab2 = biochemicalCircl.getLaboratory("Lab2"); //This invocation without use SCA works ok.
   
       
        SCADomain scaDomain = SCADomain.newInstance("resources/clinicalLaboratory.composite");
        BiochemicalCircle biochemicalCircle = scaDomain.getService(
                BiochemicalCircle.class, "BiochemicalCircleComponent");
        Laboratory lab = EntityFactory.INSTANCE.createLaboratory();
        lab.setName("lab2");
        biochemicalCircle.setLaboratory(lab); // this invocation works ok too
       
        lab = biochemicalCircle.getLaboratory("Lab2"); // here I have an exception posted below.
       
        //here I wait a moment before close scaDomain 
         
        scaDomain.close();  

}

Exception:
Exception in thread "main" java.lang.ClassCastException: org.apache.tuscany.sdo.impl.AnyTypeDataObjectImpl
    at $Proxy16.getLaboratory(Unknown Source)
    at test.Test.main(Test.java:28)

Note:
EntityFactory and sdo objects where created using org.apache.tuscany.sdo.generate.XSD2JavaGenerator.



Another possibility to replicate this bug is modifying helloworld-ws-sdo-webapp, for example 
change 
                 public String getGreetings(Party party) { .... }

 for something like 
  
                  public Person getFirstPerson(Party party) {
                          // Assuming that party have elements
                          return party.getPeople().get(index);
                   }

Thanks, 
               Sebastián.

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