typename std::enable_if<std::is_base_of<fw::Strategy, S>::value, S&>::type
install(Forwarder& forwarder, Args&&... args)
{
auto strategy = make_unique<S>(ref(forwarder), std::forward<Args>(args)...);
fw::Strategy* installed = forwarder.getStrategyChoice().install(std::move(strategy)).second;
return dynamic_cast<S&>(*installed);
}
typename std::enable_if<std::is_base_of<fw::Strategy, S>::value, S&>::type
choose(Forwarder& forwarder, const Name& prefix, Args&&... args)
{
S& strategy = install<S>(forwarder, std::forward<Args>(args)...);
forwarder.getStrategyChoice().insert(prefix, strategy.getName());
return strategy;
}
typename std::enable_if<std::is_base_of<fw::Strategy, S>::value, S&>::type
choose(Forwarder& forwarder, const Name& prefix = "/",
const Name& instanceName = S::getStrategyName())
{
StrategyChoice& sc = forwarder.getStrategyChoice();
auto insertRes = sc.insert(prefix, instanceName);
if (!insertRes) {
BOOST_THROW_EXCEPTION(std::invalid_argument(boost::lexical_cast<std::string>(insertRes)));
}
return dynamic_cast<S&>(sc.findEffectiveStrategy(prefix));
}
MadmStrategy::MadmStrategy(Forwarder& forwarder, const Name& name) :
Strategy(forwarder, name), ownStrategyChoice(forwarder.getStrategyChoice())
{
}
