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preserve/restore session features/properties within the pool

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This commit is contained in:
Aleksandar Fabijanic
2009-05-14 11:05:44 +00:00
parent 0bd881fd5e
commit 810cfd2ff4
3 changed files with 90 additions and 24 deletions
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46
Data/src/SessionPool.cpp
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@@ -65,6 +65,17 @@ SessionPool::~SessionPool()
}
Session SessionPool::get(const std::string& name, bool value)
{
Session& s = get();
_addFeatureMap.insert(AddFeatureMap::value_type(s.impl(),
std::make_pair(name, s.getFeature(name))));
s.setFeature(name, value);
return s;
}
Session SessionPool::get()
{
Poco::Mutex::ScopedLock lock(_mutex);
@@ -77,14 +88,7 @@ Session SessionPool::get()
if (_nSessions < _maxSessions)
{
Session newSession(SessionFactory::instance().create(_connector, _connectionString));
FeatureMap::Iterator fmIt = _featureMap.begin();
FeatureMap::Iterator fmEnd = _featureMap.end();
for (; fmIt != fmEnd; ++fmIt) newSession.setFeature(fmIt->first, fmIt->second);
PropertyMap::Iterator pmIt = _propertyMap.begin();
PropertyMap::Iterator pmEnd = _propertyMap.end();
for (; pmIt != pmEnd; ++pmIt) newSession.setProperty(pmIt->first, pmIt->second);
applySettings(newSession.impl());
PooledSessionHolderPtr pHolder(new PooledSessionHolder(*this, newSession.impl()));
_idleSessions.push_front(pHolder);
@@ -218,16 +222,40 @@ Poco::Any SessionPool::getProperty(const std::string& name)
}
void SessionPool::applySettings(SessionImpl* pImpl)
{
FeatureMap::Iterator fmIt = _featureMap.begin();
FeatureMap::Iterator fmEnd = _featureMap.end();
for (; fmIt != fmEnd; ++fmIt) pImpl->setFeature(fmIt->first, fmIt->second);
PropertyMap::Iterator pmIt = _propertyMap.begin();
PropertyMap::Iterator pmEnd = _propertyMap.end();
for (; pmIt != pmEnd; ++pmIt) pImpl->setProperty(pmIt->first, pmIt->second);
}
void SessionPool::putBack(PooledSessionHolderPtr pHolder)
{
Poco::Mutex::ScopedLock lock(_mutex);
if (_shutdown) return;
SessionList::iterator it = std::find(_activeSessions.begin(), _activeSessions.end(), pHolder);
if (it != _activeSessions.end())
{
if (pHolder->session()->isConnected())
{
// reverse settings applied at acquisition time, if any
AddPropertyMap::iterator pIt = _addPropertyMap.find(pHolder->session());
if (pIt != _addPropertyMap.end())
pHolder->session()->setProperty(pIt->second.first, pIt->second.second);
AddFeatureMap::iterator fIt = _addFeatureMap.find(pHolder->session());
if (fIt != _addFeatureMap.end())
pHolder->session()->setFeature(fIt->second.first, fIt->second.second);
// re-apply the default pool settings
applySettings(pHolder->session());
pHolder->access();
_idleSessions.push_front(pHolder);
}