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https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
100 lines
1.8 KiB
C++
100 lines
1.8 KiB
C++
//
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// PooledSessionHolder.h
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//
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// Library: Data
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// Package: SessionPooling
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// Module: PooledSessionHolder
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//
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// Definition of the PooledSessionHolder class.
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Data_PooledSessionHolder_INCLUDED
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#define Data_PooledSessionHolder_INCLUDED
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#include "Poco/Data/Data.h"
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#include "Poco/Data/SessionImpl.h"
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#include "Poco/AutoPtr.h"
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#include "Poco/Timestamp.h"
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#include "Poco/Mutex.h"
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namespace Poco {
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namespace Data {
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class SessionPool;
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class Data_API PooledSessionHolder: public Poco::RefCountedObject
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/// This class is used by SessionPool to manage SessionImpl objects.
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{
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public:
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PooledSessionHolder(SessionPool& owner, SessionImpl* pSessionImpl);
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/// Creates the PooledSessionHolder.
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~PooledSessionHolder();
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/// Destroys the PooledSessionHolder.
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SessionImpl* session();
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/// Returns a pointer to the SessionImpl.
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SessionPool& owner();
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/// Returns a reference to the SessionHolder's owner.
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void access();
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/// Updates the last access timestamp.
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int idle() const;
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/// Returns the number of seconds the session has not been used.
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private:
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SessionPool& _owner;
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Poco::AutoPtr<SessionImpl> _pImpl;
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Poco::Timestamp _lastUsed;
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mutable Poco::FastMutex _mutex;
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};
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//
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// inlines
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//
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inline SessionImpl* PooledSessionHolder::session()
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{
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return _pImpl;
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}
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inline SessionPool& PooledSessionHolder::owner()
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{
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return _owner;
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}
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inline void PooledSessionHolder::access()
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{
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Poco::FastMutex::ScopedLock lock(_mutex);
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_lastUsed.update();
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}
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inline int PooledSessionHolder::idle() const
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{
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Poco::FastMutex::ScopedLock lock(_mutex);
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return (int) (_lastUsed.elapsed()/Poco::Timestamp::resolution());
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}
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} } // namespace Poco::Data
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#endif // Data_PooledSessionHolder_INCLUDED
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