Method PerformUpdate

avida-core/source/data/Manager.cc:421–445

void Avida::Data::Manager::PerformUpdate(Context&, Update current_update)
{
  m_current_value_mutex.Lock();
  m_current_values.Clear();
  m_current_value_mutex.Unlock();
  
  m_rwlock.ReadLock();
  
  // Update all of the active providers
  for (int i = 0; i < m_active_providers.GetSize(); i++) m_active_providers[i]->UpdateProvidedValues(current_update);
  
  // Notify recorders that new data is available
  DataRetrievalFunctor drf(this, &Manager::GetCurrentValue);

  // Lock recorder mutex before releasing RWLock, so that only recorders that have values will be notified
  m_recorder_mutex.Lock();
  
  // Release RWLock before notification to prevent double RWLocking deadlock during recorder attachment
  m_rwlock.ReadUnlock();
  
  for (Apto::Set<RecorderPtr>::Iterator it = m_recorders.Begin(); it.Next();) {
    (*it.Get())->NotifyData(current_update, drf);
  }
  m_recorder_mutex.Unlock();
}

Avida::Data::PackagePtr Avida::Data::Manager::GetCurrentValue(const DataID& data_id) const
{