folly::dynamic JavaNativeModule::getConstants() {
static auto constantsMethod =
wrapper_->getClass()->getMethod<NativeMap::javaobject()>("getConstants");
auto constants = constantsMethod(wrapper_);
if (!constants) {
return nullptr;
} else {
return cthis(constants)->consume();
}
}
xplat::module::CxxModule::Provider ModuleHolder::getProvider() const {
return [self=jni::make_global(self())] {
static auto method =
ModuleHolder::javaClassStatic()->getMethod<JNativeModule::javaobject()>(
"getModule");
// This is the call which uses the lazy Java Provider to instantiate the
// Java CxxModuleWrapper which contains the CxxModule.
auto module = method(self);
CHECK(module->isInstanceOf(CxxModuleWrapperBase::javaClassStatic()))
<< "module isn't a C++ module";
auto cxxModule = jni::static_ref_cast<CxxModuleWrapperBase::javaobject>(module);
// Then, we grab the CxxModule from the wrapper, which is no longer needed.
return cxxModule->cthis()->getModule();
};
}
