mirror of
https://github.com/pocoproject/poco.git
synced 2026-01-02 19:02:11 +01:00
100 lines
1.8 KiB
C++
100 lines
1.8 KiB
C++
//
|
|
// PooledSessionHolder.h
|
|
//
|
|
// Library: Data
|
|
// Package: SessionPooling
|
|
// Module: PooledSessionHolder
|
|
//
|
|
// Definition of the PooledSessionHolder class.
|
|
//
|
|
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#ifndef Data_PooledSessionHolder_INCLUDED
|
|
#define Data_PooledSessionHolder_INCLUDED
|
|
|
|
|
|
#include "Poco/Data/Data.h"
|
|
#include "Poco/Data/SessionImpl.h"
|
|
#include "Poco/AutoPtr.h"
|
|
#include "Poco/Timestamp.h"
|
|
#include "Poco/Mutex.h"
|
|
|
|
|
|
namespace Poco {
|
|
namespace Data {
|
|
|
|
|
|
class SessionPool;
|
|
|
|
|
|
class Data_API PooledSessionHolder: public Poco::RefCountedObject
|
|
/// This class is used by SessionPool to manage SessionImpl objects.
|
|
{
|
|
public:
|
|
PooledSessionHolder(SessionPool& owner, SessionImpl* pSessionImpl);
|
|
/// Creates the PooledSessionHolder.
|
|
|
|
~PooledSessionHolder();
|
|
/// Destroys the PooledSessionHolder.
|
|
|
|
SessionImpl* session();
|
|
/// Returns a pointer to the SessionImpl.
|
|
|
|
SessionPool& owner();
|
|
/// Returns a reference to the SessionHolder's owner.
|
|
|
|
void access();
|
|
/// Updates the last access timestamp.
|
|
|
|
int idle() const;
|
|
/// Returns the number of seconds the session has not been used.
|
|
|
|
private:
|
|
SessionPool& _owner;
|
|
Poco::AutoPtr<SessionImpl> _pImpl;
|
|
Poco::Timestamp _lastUsed;
|
|
mutable Poco::FastMutex _mutex;
|
|
};
|
|
|
|
|
|
//
|
|
// inlines
|
|
//
|
|
inline SessionImpl* PooledSessionHolder::session()
|
|
{
|
|
return _pImpl;
|
|
}
|
|
|
|
|
|
inline SessionPool& PooledSessionHolder::owner()
|
|
{
|
|
return _owner;
|
|
}
|
|
|
|
|
|
inline void PooledSessionHolder::access()
|
|
{
|
|
Poco::FastMutex::ScopedLock lock(_mutex);
|
|
|
|
_lastUsed.update();
|
|
}
|
|
|
|
|
|
inline int PooledSessionHolder::idle() const
|
|
{
|
|
Poco::FastMutex::ScopedLock lock(_mutex);
|
|
|
|
return (int) (_lastUsed.elapsed()/Poco::Timestamp::resolution());
|
|
}
|
|
|
|
|
|
} } // namespace Poco::Data
|
|
|
|
|
|
#endif // Data_PooledSessionHolder_INCLUDED
|