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种太阳的热带美短
2026-08-07 17:50:04 +08:00
parent 0c7fac70b2
commit 3205dd84e8
17 changed files with 2086 additions and 2424 deletions
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core/example/main.cpp
+8 -32
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@@ -1,51 +1,27 @@
#include <structive/property/property.hpp>
#include <iostream>
#include <string>
using namespace structive;
struct Device : Property_Object<Device> {
double temperature{25.0};
double pressure{101.3};
double min_speed{10.0};
double max_speed{100.0};
std::string name{"device-1"};
int serial_number{1001};
};
template <>
struct structive::Type_Descriptor<Device> {
static auto get() {
return object<Device>(
defaults(external_access<External_Access::read_write>, persistence_access<Persistence_Access::load_store>),
synchronization(sync_all_independent, sync_group<&Device::min_speed, &Device::max_speed>("speed_range")),
synchronization(sync_all_independent),
field<&Device::temperature>(key<"temperature">, unit<"C">, min_value<-50.0>, max_value<200.0>),
field<&Device::pressure>(key<"pressure">, unit<"kPa">),
field<&Device::min_speed>(key<"min_speed">),
field<&Device::max_speed>(key<"max_speed">),
field<&Device::name>(key<"name">)
field<&Device::serial_number>(key<"serial_number">, read_only)
);
}
};
static bool update_speed_range(Device& device, double min_speed, double max_speed) {
auto guard = device.lock_unique<&Device::min_speed, &Device::max_speed>();
auto old_min = guard.get<&Device::min_speed>();
auto old_max = guard.get<&Device::max_speed>();
guard.set < &Device::min_speed > (min_speed);
guard.set < &Device::max_speed > (max_speed);
if (min_speed <= max_speed) {
return true;
}
guard.set < &Device::min_speed > (old_min);
guard.set < &Device::max_speed > (old_max);
return false;
}
int main() {
Device device;
device.external().write < &Device::temperature > (30.0);
std::cout << "temperature=" << device.external().read<&Device::temperature>() << '\n';
std::cout << "temperature lock slot=" << device.lock_slot<&Device::temperature>() << '\n';
std::cout << "min/max shared slot=" << device.lock_slot<&Device::min_speed>() << '\n';
std::cout << "max_speed key=" << device.schema().property<&Device::max_speed>().key() << '\n';
if (!update_speed_range(device, 120.0, 80.0)) {
std::cout << "invalid range rolled back by business logic\n";
}
device.temperature = 31.0;
std::cout << "raw temperature=" << device.temperature << '\n';
device.write<&Device::temperature>(30.0);
std::cout << "temperature=" << device.read<&Device::temperature>() << '\n';
std::cout << "serial_number=" << device.read<&Device::serial_number>() << '\n';
std::cout << "lock_count=" << device.resolved_synchronization().lock_count << '\n';
return 0;
}