std::shared_ptr<core::Processor> ExecutionPlan::createProcessor(const std::string &processor_name, const std::string &name) {
utils::Identifier uuid;
id_generator_->generate(uuid);
auto custom_proc = custom_processors.find(processor_name);
if(custom_proc != custom_processors.end()) {
auto ontrigger_c_func = custom_proc->second.ontr_cb;
auto onschedule_c_func = custom_proc->second.onsc_cb;
auto ontrigger_wrapper_func = [ontrigger_c_func](core::ProcessSession * session, core::ProcessContext * context) {
if(ontrigger_c_func) {
ontrigger_c_func(reinterpret_cast<processor_session *>(session),
reinterpret_cast<processor_context *>(context));
}
};
auto onschedule_wrapper_func = [onschedule_c_func](core::ProcessContext * context) {
if (onschedule_c_func) {
onschedule_c_func(reinterpret_cast<processor_context*>(context));
}
};
return createCallback(nullptr, ontrigger_wrapper_func, onschedule_wrapper_func);
}
auto ptr = core::ClassLoader::getDefaultClassLoader().instantiate(processor_name, uuid);
if (nullptr == ptr) {
return nullptr;
}
std::shared_ptr<core::Processor> processor = std::static_pointer_cast<core::Processor>(ptr);
processor->setName(name);
return processor;
}
Future<void> StrandPrivate::async(boost::function<void()> cb,
qi::SteadyClockTimePoint tp)
{
boost::shared_ptr<Callback> cbStruct = createCallback(cb);
cbStruct->promise =
qi::Promise<void>(boost::bind(&StrandPrivate::cancel, this, cbStruct));
qiLogDebug() << "Scheduling job id " << cbStruct->id
<< " at " << qi::to_string(tp);
cbStruct->asyncFuture = _eventLoop.async(boost::bind(
&StrandPrivate::enqueue, this, cbStruct),
tp);
return cbStruct->promise.future();
}
std::shared_ptr<core::Processor> ExecutionPlan::addCallback(void *obj,
std::function<void(core::ProcessSession*, core::ProcessContext *)> ontrigger_callback,
std::function<void(core::ProcessContext *)> onschedule_callback) {
if (finalized) {
return nullptr;
}
auto proc = createCallback(obj, ontrigger_callback, onschedule_callback);
if (!proc)
return nullptr;
return addProcessor(proc, CallbackProcessorName, core::Relationship("success", "description"), true);
}
Future<void> StrandPrivate::async(boost::function<void()> cb,
qi::Duration delay)
{
boost::shared_ptr<Callback> cbStruct = createCallback(cb);
cbStruct->promise =
qi::Promise<void>(boost::bind(&StrandPrivate::cancel, this, cbStruct));
qiLogDebug() << "Scheduling job id " << cbStruct->id
<< " in " << qi::to_string(delay);
if (delay.count())
cbStruct->asyncFuture = _eventLoop.async(boost::bind(
&StrandPrivate::enqueue, this, cbStruct),
delay);
else
enqueue(cbStruct);
return cbStruct->promise.future();
}