Method Visit

libraries/lib-utility/Observer.cpp:52–79

}

bool RecordList::Visit(const void *arg)
{
   assert(m_visitor); // See constructor
   if (m_pPolicy)
      m_pPolicy->OnBeginPublish();
   bool result = false;
   for (auto pRecord = next; pRecord; pRecord = pRecord->next) {
      try {
         if (m_visitor(*pRecord, arg)) {
            result = true;
            break;
         }
         // pRecord might have been removed from the list by the callback,
         // but pRecord->next is unchanged.  We won't see callbacks added by
         // the callback, because they are earlier in the list.
      }
      catch (...) {
         if (m_pPolicy && m_pPolicy->OnEachFailedCallback()) {
            result = true;
            break;
         }
      }
   }
   // Intentionally not in a finally():
   if (m_pPolicy)
      m_pPolicy->OnEndPublish();
   return result;
}

}