/* (non-Javadoc)
  * @see org.eclipse.bpmn2.modeler.core.validation.validators.AbstractBpmn2ElementValidator#validate(org.eclipse.bpmn2.BaseElement)
  */
 @Override
 public IStatus validate(ItemDefinition object) {
   if (ProcessValidator.isContainingProcessExecutable(object)) {
     if (isEmpty(object.getStructureRef()))
       addMissingFeatureStatus(object, "structureRef", Status.ERROR); // $NON-NLS-1$
   }
   return getResult();
 }