| 1 | // |
| 2 | // SessionFactory.cpp |
| 3 | // |
| 4 | // Library: Data |
| 5 | // Package: DataCore |
| 6 | // Module: SessionFactory |
| 7 | // |
| 8 | // Copyright (c) 2006, Applied Informatics Software Engineering GmbH. |
| 9 | // and Contributors. |
| 10 | // |
| 11 | // SPDX-License-Identifier: BSL-1.0 |
| 12 | // |
| 13 | |
| 14 | |
| 15 | #include "Poco/Data/SessionFactory.h" |
| 16 | #include "Poco/URI.h" |
| 17 | #include "Poco/String.h" |
| 18 | |
| 19 | |
| 20 | namespace Poco { |
| 21 | namespace Data { |
| 22 | |
| 23 | |
| 24 | SessionFactory::SessionFactory() |
| 25 | { |
| 26 | } |
| 27 | |
| 28 | |
| 29 | SessionFactory::~SessionFactory() |
| 30 | { |
| 31 | } |
| 32 | |
| 33 | |
| 34 | SessionFactory& SessionFactory::instance() |
| 35 | { |
| 36 | static SessionFactory sf; |
| 37 | return sf; |
| 38 | } |
| 39 | |
| 40 | |
| 41 | void SessionFactory::add(Connector* pIn) |
| 42 | { |
| 43 | Poco::FastMutex::ScopedLock lock(_mutex); |
| 44 | SessionInfo info(pIn); |
| 45 | std::pair<Connectors::iterator, bool> res = |
| 46 | _connectors.insert(std::make_pair(pIn->name(), info)); |
| 47 | if (!res.second) res.first->second.cnt++; |
| 48 | } |
| 49 | |
| 50 | |
| 51 | void SessionFactory::remove(const std::string& key) |
| 52 | { |
| 53 | Poco::FastMutex::ScopedLock lock(_mutex); |
| 54 | Connectors::iterator it = _connectors.find(key); |
| 55 | poco_assert (_connectors.end() != it); |
| 56 | |
| 57 | --(it->second.cnt); |
| 58 | if (it->second.cnt == 0) _connectors.erase(it); |
| 59 | } |
| 60 | |
| 61 | |
| 62 | Session SessionFactory::create(const std::string& key, |
| 63 | const std::string& connectionString, |
| 64 | std::size_t timeout) |
| 65 | { |
| 66 | Poco::SharedPtr<Connector> ptrSI; |
| 67 | { |
| 68 | Poco::FastMutex::ScopedLock lock(_mutex); |
| 69 | Connectors::iterator it = _connectors.find(key); |
| 70 | if (_connectors.end() == it) throw Poco::NotFoundException(key); |
| 71 | ptrSI = it->second.ptrSI; |
| 72 | } |
| 73 | return Session(ptrSI->createSession(connectionString, timeout)); |
| 74 | } |
| 75 | |
| 76 | |
| 77 | Session SessionFactory::create(const std::string& uri, |
| 78 | std::size_t timeout) |
| 79 | { |
| 80 | URI u(uri); |
| 81 | poco_assert (!u.getPath().empty()); |
| 82 | return create(u.getScheme(), u.getPath().substr(1), timeout); |
| 83 | } |
| 84 | |
| 85 | |
| 86 | SessionFactory::SessionInfo::SessionInfo(Connector* pSI): |
| 87 | cnt(1), |
| 88 | ptrSI(pSI) |
| 89 | { |
| 90 | } |
| 91 | |
| 92 | |
| 93 | } } // namespace Poco::Data |
| 94 | |