@Override
 public ValidationResult setProperty(final PropertyDescriptor descriptor, final String value) {
   return context.setProperty(descriptor, value);
 }
 @Override
 public ValidationResult setProperty(
     final PropertyDescriptor descriptor, final AllowableValue value) {
   return context.setProperty(descriptor, value.getValue());
 }
 @Override
 public ValidationResult setProperty(final String propertyName, final String propertyValue) {
   return context.setProperty(propertyName, propertyValue);
 }