public AbstractHessianOutput getHessianOutput(OutputStream os) {
AbstractHessianOutput out;
if (_isHessian2Request) out = new Hessian2Output(os);
else {
HessianOutput out1 = new HessianOutput(os);
out = out1;
if (_isHessian2Reply) out1.setVersion(2);
}
out.setSerializerFactory(getSerializerFactory());
return out;
}