labs.atellis.com

package 
{ 
  public class Student 
  { 
    private var _firstName:String; 
    public function get FirstName():String { 
      return _firstName; 
    } 
    public function set FirstName(value:String):void { 
      _firstName = value; 
    } 
 
    public var _lastName:String; 
    public function get LastName():String { 
      return _lastName; 
    } 
    public function set LastName(value:String):void { 
      _lastName = value; 
    } 
 
    public var _gpa:Number; 
    public function get Gpa():Number { 
      return _gpa; 
    } 
    public function set Gpa(value:Number):void { 
      _gpa = value; 
    } 
  } 
}

<!--l version="1.0" encoding="utf-8--> 
<application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical"> 
  <script> 
    <!--DATA[ <-->      import mx.rpc.xml.SchemaTypeRegistry; 
      import mx.utils.ObjectUtil; 
 
      private function registerVO():void { 
        var qn:QName = new QName("http://labs.atellis.com/ns/ws/", "Student"); 
        SchemaTypeRegistry.registerClass(qn, Student); 
        dump.text += "Registered QName " + qn + "nn"; 
      } 
 
      private function unregisterVO():void { 
        var qn:QName = new QName("http://labs.atellis.com/ns/ws/", "Student"); 
        SchemaTypeRegistry.unregisterClass(qn); 
        dump.text += "Unregistered QName " + qn + "nn"; 
      } 
 
    ]]&gt; 
  </script> 
 
  <webservice wsdl="http://localhost/web2/CustomVO.asmx?wsdl" id="ws"> 
    <operation result="dump.text += ObjectUtil.toString(event.result) + 'nn'" name="GetStudent"> 
 
  <hbox> 
    <button label="Get Student" click="ws.GetStudent()"> 
    <button label="Register VO" click="registerVO()"> 
    <button label="Unregister VO" click="unregisterVO()"> 
 
  <textarea height="100%" fontFamily="Courier New" width="100%" id="dump">When we run sample we can click "Get Student" and it will dump out the result. Notice the return is typed "Object". Then click "Register VO" and "Get Student" and now the return type is "Student". This demonstrates that the web service returned a typed object.
 
<img src="http://labs.atellis.com/wp-content/uploads/2007/10/schematyperegistry_screenshot.png" alt="SchemaTypeRegistry Screen Shot" />
 
One thing that you may be wondering is where exactly does the QName come from? Well, it's in the WSDL.
 
<img src="http://labs.atellis.com/wp-content/uploads/2007/10/schematyperegistry_wsdl.png" alt="SchemaTypeRegistry WSDL" />
 
To complete the example, here is the C# code used for the web service.
<pre lang="csharp">
using System.Web.Services; 
 
[WebService(Namespace = "http://labs.atellis.com/ns/ws/")] 
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] 
public class CustomVO : WebService { 
 
  [WebMethod] 
  public Student GetStudent() { 
    Student s = new Student(); 
    s.FirstName = "Samuel"; 
    s.LastName = "Neff"; 
    s.Gpa = 1.2; 
    return s; 
  } 
} 
 
public class Student 
{ 
  private string _firstName; 
  private string _lastName; 
  private double _gpa; 
 
  public string FirstName 
  { 
    get 
    { 
      return _firstName; 
    } 
    set 
    { 
      _firstName = value; 
    } 
  } 
 
  public string LastName 
  { 
    get 
    { 
      return _lastName; 
    } 
    set 
    { 
      _lastName = value; 
    } 
  } 
 
  public double Gpa 
  { 
    get 
    { 
      return _gpa; 
    } 
    set 
    { 
      _gpa = value; 
    } 
  } 
}