~sil2100/location-service/gps-arm64

#include "com/ubuntu/location/engine.h"

 

#include <stdexcept>

 

namespace cul = com::ubuntu::location;

 

cul::Engine::Engine(

    const std::set<cul::Provider::Ptr>& initial_providers,

    const cul::ProviderSelectionPolicy::Ptr& provider_selection_policy)

        : providers(initial_providers),

          provider_selection_policy(provider_selection_policy)

{

    if (!provider_selection_policy)

        std::runtime_error("Cannot construct an engine given a null ProviderSelectionPolicy");

}

 

cul::ProviderSelection cul::Engine::determine_provider_selection_for_criteria(const cul::Criteria& criteria)

{

    return provider_selection_policy->determine_provider_selection_from_set_for_criteria(criteria, providers);

}

 

bool cul::Engine::has_provider(const cul::Provider::Ptr& provider) noexcept

{

    return providers.count(provider) > 0;

}

 

void cul::Engine::add_provider(const cul::Provider::Ptr& provider)

{

    if (!provider)

        throw std::runtime_error("Cannot add null provider");

    

    providers.insert(provider);

}

 

void cul::Engine::remove_provider(const cul::Provider::Ptr& provider) noexcept

{

    providers.erase(provider);

}