code: private void initProcessModel() throws JAXBException {
  		jaxbContext = JAXBContext.newInstance(ObjectFactory.class);
  
  		Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
  		Object o =  jaxbUnmarshaller.unmarshal(xmlFile);
  		this.process = (ProcessDefinition) o;
  	}
docs: <p>
  This will initialize the {@link ProcessDefinition} object which is a JAXB
  representation of the "ProcessDefinition" root-element of TIBCO processes
  files using the schema with "http://xmlns.tibco.com/bw/process/2003"
  namespace.
  </p>
  
  @throws JAXBException