/**
  * Rutina para serializar a XMLRPC
  *
  * @param __struct__ Tabla hash donde se aqade el contenido del bean
  * @return Hashtable que contiene los datos del bean en la forma clave/valor
  */
 protected Object toRPC(java.util.Hashtable __struct__) {
   java.util.Vector __vector_literalProperties = new java.util.Vector();
   for (int __i__ = 0; __i__ < literalProperties.size(); __i__++) {
     org.qualipso.advdoc.ws.client.retrieval.beans.LiteralProperty __object__ =
         (org.qualipso.advdoc.ws.client.retrieval.beans.LiteralProperty)
             literalProperties.elementAt(__i__);
     __vector_literalProperties.addElement(__object__.toRPC());
   }
   __struct__.put("literalProperties", __vector_literalProperties);
   java.util.Vector __vector_objectProperties = new java.util.Vector();
   for (int __i__ = 0; __i__ < objectProperties.size(); __i__++) {
     org.qualipso.advdoc.ws.client.retrieval.beans.ObjectProperty __object__ =
         (org.qualipso.advdoc.ws.client.retrieval.beans.ObjectProperty)
             objectProperties.elementAt(__i__);
     __vector_objectProperties.addElement(__object__.toRPC());
   }
   __struct__.put("objectProperties", __vector_objectProperties);
   return __struct__;
 }