Function executeJvmTask

test/test/nonjava/non_java_app.cpp:158–181

}

void executeJvmTask() {
    jclass customClass = _env->FindClass("test/nonjava/JavaClass");
    if (customClass == nullptr) {
        std::cerr << "Can't find JavaClass" << std::endl;
        exit(1);
    }

    jmethodID cpuHeavyTask = _env->GetStaticMethodID(customClass, "cpuHeavyTask", "()D");
    if (cpuHeavyTask == nullptr) {
        std::cerr << "Can't find cpuHeavyTask" << std::endl;
        exit(1);
    }

    for (int i = 0; i < 300; ++i) {
        jdouble result = _env->CallStaticDoubleMethod(customClass, cpuHeavyTask);
        if (_env->ExceptionCheck()) {
            _env->ExceptionDescribe();
            std::cerr << "Exception in cpuHeavyTask" << std::endl;
            exit(1);
        }
        std::cout << "Result: " << result << std::endl;
    }
    _env->DeleteLocalRef(customClass);
}

void stopJvm() {
    jint rc = _jvm->DestroyJavaVM();