Session SessionPool::get(SessionPool::SessionDataPtr &session_data_ptr)
{
Poco::Mutex::ScopedLock lock(_mutex);
if (_shutdown) throw InvalidAccessException("Session pool has been shut down.");
purgeDeadSessions();
if (_idleSessions.empty())
{
Session newSession(SessionFactory::instance().create(_connector, _connectionString));
applySettings(newSession.impl());
PooledSessionHolderPtr pHolder(new PooledSessionHolder(*this, newSession.impl()));
session_data_ptr.assign(new SessionData);
session_data_ptr->session = pHolder;
_idleSessions.push_front(session_data_ptr);
++_nSessions;
}
PooledSessionHolderPtr pHolder(_idleSessions.front()->session);
PooledSessionImplPtr pPSI(new PooledSessionImpl(pHolder));
_activeSessions.push_front(std::move(_idleSessions.front()));
_idleSessions.pop_front();
if (session_data_ptr.isNull())
{
session_data_ptr.assign(_activeSessions.front());
}
return Session(pPSI);
}
Session SessionPool::get()
{
Poco::Mutex::ScopedLock lock(_mutex);
if (_shutdown) throw InvalidAccessException("Session pool has been shut down.");
purgeDeadSessions();
if (_idleSessions.empty())
{
if (_nSessions < _maxSessions)
{
Session newSession(SessionFactory::instance().create(_connector, _connectionString));
applySettings(newSession.impl());
customizeSession(newSession);
PooledSessionHolderPtr pHolder(new PooledSessionHolder(*this, newSession.impl()));
_idleSessions.push_front(pHolder);
++_nSessions;
}
else throw SessionPoolExhaustedException(_connector);
}
PooledSessionHolderPtr pHolder(_idleSessions.front());
PooledSessionImplPtr pPSI(new PooledSessionImpl(pHolder));
_activeSessions.push_front(pHolder);
_idleSessions.pop_front();
return Session(pPSI);
}
Session SessionPool::get()
{
Poco::FastMutex::ScopedLock lock(_mutex);
purgeDeadSessions();
if (_idleSessions.empty())
{
if (_nSessions < _maxSessions)
{
Session newSession(SessionFactory::instance().create(_sessionKey, _connectionString));
PooledSessionHolderPtr pHolder(new PooledSessionHolder(*this, newSession.impl()));
_idleSessions.push_front(pHolder);
++_nSessions;
}
else throw SessionPoolExhaustedException(_sessionKey, _connectionString);
}
PooledSessionHolderPtr pHolder(_idleSessions.front());
PooledSessionImplPtr pPSI(new PooledSessionImpl(pHolder));
_activeSessions.push_front(pHolder);
_idleSessions.pop_front();
return Session(pPSI);
}