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113 lines
3.0 KiB
C++
113 lines
3.0 KiB
C++
//
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// SessionFactory.cpp
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//
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// $Id: //poco/Main/Data/src/SessionFactory.cpp#6 $
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//
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// Library: Data
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// Package: DataCore
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// Module: SessionFactory
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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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#include "Poco/Data/SessionFactory.h"
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#include "Poco/URI.h"
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#include "Poco/String.h"
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namespace Poco {
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namespace Data {
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SessionFactory::SessionFactory()
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{
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}
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SessionFactory::~SessionFactory()
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{
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}
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SessionFactory& SessionFactory::instance()
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{
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static SessionFactory sf;
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return sf;
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}
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void SessionFactory::add(Connector* pIn)
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{
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Poco::FastMutex::ScopedLock lock(_mutex);
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SessionInfo info(pIn);
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std::pair<Connectors::iterator, bool> res =
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_connectors.insert(std::make_pair(pIn->name(), info));
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if (!res.second) res.first->second.cnt++;
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}
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void SessionFactory::remove(const std::string& key)
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{
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Poco::FastMutex::ScopedLock lock(_mutex);
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Connectors::iterator it = _connectors.find(key);
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poco_assert (_connectors.end() != it);
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--(it->second.cnt);
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if (it->second.cnt == 0) _connectors.erase(it);
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}
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Session SessionFactory::create(const std::string& key,
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const std::string& connectionString,
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std::size_t timeout)
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{
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Poco::FastMutex::ScopedLock lock(_mutex);
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Connectors::iterator it = _connectors.find(key);
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poco_assert (_connectors.end() != it);
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return Session(it->second.ptrSI->createSession(connectionString, timeout));
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}
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Session SessionFactory::create(const std::string& uri,
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std::size_t timeout)
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{
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URI u(uri);
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poco_assert (!u.getPath().empty());
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return create(u.getScheme(), u.getPath().substr(1), timeout);
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}
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SessionFactory::SessionInfo::SessionInfo(Connector* pSI):
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cnt(1),
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ptrSI(pSI)
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{
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}
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} } // namespace Poco::Data
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