LoggerPtr Hierarchy::getLogger(const String& name, spi::LoggerFactoryPtr factory)
{
// Synchronize to prevent write conflicts. Read conflicts (in
// getEffectiveLevel method) are possible only if variable
// assignments are non-atomic.
LoggerPtr logger;
mapCs.lock();
LoggerMap::iterator it = loggers.find(name);
if (it != loggers.end())
{
logger = it->second;
}
else
{
logger = factory->makeNewLoggerInstance(name);
logger->setHierarchy(this);
loggers.insert(LoggerMap::value_type(name, logger));
ProvisionNodeMap::iterator it2 = provisionNodes.find(name);
if (it2 != provisionNodes.end())
{
updateChildren(it2->second, logger);
provisionNodes.erase(it2);
}
updateParents(logger);
}
mapCs.unlock();
return logger;
}
