void ctkServiceRegistration::setProperties(const ServiceProperties& props)
{
Q_D(ctkServiceRegistration);
if (!d) throw std::logic_error("ctkServiceRegistration object invalid");
QMutexLocker lock(&d->eventLock);
QSet<ctkServiceSlotEntry> before;
// TBD, optimize the locking of services
{
QMutexLocker lock2(&d->plugin->fwCtx->globalFwLock);
QMutexLocker lock3(&d->propsLock);
if (d->available)
{
// NYI! Optimize the MODIFIED_ENDMATCH code
int old_rank = d->properties.value(ctkPluginConstants::SERVICE_RANKING).toInt();
before = d->plugin->fwCtx->listeners.getMatchingServiceSlots(d->reference);
QStringList classes = d->properties.value(ctkPluginConstants::OBJECTCLASS).toStringList();
qlonglong sid = d->properties.value(ctkPluginConstants::SERVICE_ID).toLongLong();
d->properties = ctkServices::createServiceProperties(props, classes, sid);
int new_rank = d->properties.value(ctkPluginConstants::SERVICE_RANKING).toInt();
if (old_rank != new_rank)
{
d->plugin->fwCtx->services->updateServiceRegistrationOrder(*this, classes);
}
}
else
{
throw std::logic_error("Service is unregistered");
}
}
d->plugin->fwCtx->listeners.serviceChanged(
d->plugin->fwCtx->listeners.getMatchingServiceSlots(d->reference),
ctkServiceEvent(ctkServiceEvent::MODIFIED, d->reference), before);
d->plugin->fwCtx->listeners.serviceChanged(
before,
ctkServiceEvent(ctkServiceEvent::MODIFIED_ENDMATCH, d->reference));
}
ctkServiceRegistration ctkServices::registerService(ctkPluginPrivate* plugin,
const QStringList& classes,
QObject* service,
const ctkDictionary& properties)
{
if (service == 0)
{
throw std::invalid_argument("Can't register 0 as a service");
}
// Check if service implements claimed classes and that they exist.
for (QStringListIterator i(classes); i.hasNext();)
{
QString cls = i.next();
if (cls.isEmpty())
{
throw std::invalid_argument("Can't register as null class");
}
if (!(qobject_cast<ctkServiceFactory*>(service)))
{
if (!checkServiceClass(service, cls))
{
QString msg = QString("Service class %1 is not an instance of %2. Maybe you forgot the Q_INTERFACES macro in the service class.")
.arg(service->metaObject()->className()).arg(cls);
throw std::invalid_argument(msg.toStdString());
}
}
}
ctkServiceRegistration res(plugin, service,
createServiceProperties(properties, classes));
{
QMutexLocker lock(&mutex);
services.insert(res, classes);
for (QStringListIterator i(classes); i.hasNext(); )
{
QString currClass = i.next();
QList<ctkServiceRegistration>& s = classServices[currClass];
QList<ctkServiceRegistration>::iterator ip =
std::lower_bound(s.begin(), s.end(), res, ServiceRegistrationComparator());
s.insert(ip, res);
}
}
ctkServiceReference r = res.getReference();
plugin->fwCtx->listeners.serviceChanged(
plugin->fwCtx->listeners.getMatchingServiceSlots(r),
ctkServiceEvent(ctkServiceEvent::REGISTERED, r));
return res;
}
void ctkServiceRegistration::unregister()
{
Q_D(ctkServiceRegistration);
if (!d) throw std::logic_error("ctkServiceRegistration object invalid");
if (d->unregistering) return; // Silently ignore redundant unregistration.
{
QMutexLocker lock(&d->eventLock);
if (d->unregistering) return;
d->unregistering = true;
if (d->available)
{
if (d->plugin)
{
d->plugin->fwCtx->services->removeServiceRegistration(*this);
}
}
else
{
throw std::logic_error("Service is unregistered");
}
}
if (d->plugin)
{
d->plugin->fwCtx->listeners.serviceChanged(
d->plugin->fwCtx->listeners.getMatchingServiceSlots(d->reference),
ctkServiceEvent(ctkServiceEvent::UNREGISTERING, d->reference));
}
{
QMutexLocker lock(&d->eventLock);
{
QMutexLocker lock2(&d->propsLock);
d->available = false;
if (d->plugin)
{
for (QHashIterator<QSharedPointer<ctkPlugin>, QObject*> i(d->serviceInstances); i.hasNext();)
{
QObject* obj = i.next().value();
try
{
// NYI, don't call inside lock
qobject_cast<ctkServiceFactory*>(d->service)->ungetService(i.key(),
*this,
obj);
}
catch (const std::exception& ue)
{
ctkPluginFrameworkEvent pfwEvent(ctkPluginFrameworkEvent::ERROR, d->plugin->q_func().data(), ue);
d->plugin->fwCtx->listeners
.emitFrameworkEvent(pfwEvent);
}
}
}
d->plugin = 0;
d->dependents.clear();
d->service = 0;
d->serviceInstances.clear();;
d->unregistering = false;
}
}
}
