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121 lines
3.7 KiB
C++
121 lines
3.7 KiB
C++
//
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// SessionPoolContainer.h
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//
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// $Id: //poco/Main/Data/include/Poco/Data/SessionPoolContainer.h#4 $
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//
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// Library: Data
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// Package: SessionPoolContainering
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// Module: SessionPoolContainer
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//
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// Definition of the SessionPoolContainer 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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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#ifndef Data_SessionPoolContainer_INCLUDED
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#define Data_SessionPoolContainer_INCLUDED
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#include "Poco/Data/Data.h"
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#include "Poco/Data/Session.h"
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#include "Poco/Data/SessionPool.h"
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#include "Poco/HashMap.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 Data_API SessionPoolContainer
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/// This class implements container of session pools.
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{
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public:
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SessionPoolContainer();
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/// Creates the SessionPoolContainer for sessions with the given session parameters.
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~SessionPoolContainer();
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/// Destroys the SessionPoolContainer.
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void add(SessionPool* pPool);
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/// Adds existing session pool to the container.
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/// Throws SessionPoolExistsException if pool already exists.
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Session add(const std::string& sessionKey,
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const std::string& connectionString,
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int minSessions = 1,
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int maxSessions = 32,
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int idleTime = 60);
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/// Adds a new session pool to the container and returns a Session from
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/// newly created pool. If pool already exists, request to add is silently
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/// ignored and session is returned from the existing pool.
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Session get(const std::string& name);
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/// Returns the requested Session.
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/// Throws NotFoundException if session is not found.
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SessionPool& getPool(const std::string& name);
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/// Returns a SessionPool reference.
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/// Throws NotFoundException if session is not found.
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void remove(const std::string& name);
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/// Removes a SessionPool.
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int count() const;
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/// Returns the number of session pols in the container.
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void shutdown();
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/// Shuts down all the held pools.
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private:
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typedef HashMap<std::string, AutoPtr<SessionPool> > SessionPoolMap;
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SessionPoolContainer(const SessionPoolContainer&);
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SessionPoolContainer& operator = (const SessionPoolContainer&);
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SessionPoolMap _sessionPools;
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Poco::FastMutex _mutex;
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};
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inline void SessionPoolContainer::remove(const std::string& name)
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{
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_sessionPools.erase(name);
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}
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inline int SessionPoolContainer::count() const
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{
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return static_cast<int>(_sessionPools.size());
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}
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} } // namespace Poco::Data
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#endif // Data_SessionPoolContainer_INCLUDED
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