private void generateSetup(Map<DrillFuncHolder.WorkspaceReference, JFieldVar> wsFieldVars) {
JClass valueholderClass = model.ref(ValueHolder.class);
JMethod doSetupMethod = clazz.method(JMod.PUBLIC, Void.TYPE, SETUP_METHOD);
doSetupMethod.param(valueholderClass.array(), ARG_NAME);
JVar incomingJVar = doSetupMethod.param(model.ref(RecordBatch.class), "incoming");
if (holder.getSetupBody()!=null && ! holder.getSetupBody().trim().equals("{}")) {
declareAssignParm(model, doSetupMethod.body(), holder, ARG_NAME, true);
}