}
private void checkTransformation(PipelineActivity activity) throws RemoveActivityVetoException {
TransformationActivity tf = (TransformationActivity) activity;
if (isRequestTransformation(tf)) {
throw new RemoveActivityVetoException(
"The request transformation cannot be removed from a web service operation");
} else if (isResponseTransformation(tf)) {
throw new RemoveActivityVetoException(
"The response transformation cannot be removed from a web service operation");
}
}