/usr/include/Poco/MongoDB/PoolableConnectionFactory.h is in libpoco-dev 1.8.0.1-1ubuntu4.
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// PoolableConnectionFactory.h
//
// Library: MongoDB
// Package: MongoDB
// Module: PoolableConnectionFactory
//
// Definition of the PoolableConnectionFactory class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef MongoDB_PoolableConnectionFactory_INCLUDED
#define MongoDB_PoolableConnectionFactory_INCLUDED
#include "Poco/MongoDB/Connection.h"
#include "Poco/ObjectPool.h"
namespace Poco {
template<>
class PoolableObjectFactory<MongoDB::Connection, MongoDB::Connection::Ptr>
/// PoolableObjectFactory specialisation for Connection. New connections
/// are created with the given address or URI.
///
/// If a Connection::SocketFactory is given, it must live for the entire
/// lifetime of the PoolableObjectFactory.
{
public:
PoolableObjectFactory(Net::SocketAddress& address):
_address(address),
_pSocketFactory(0)
{
}
PoolableObjectFactory(const std::string& address):
_address(address),
_pSocketFactory(0)
{
}
PoolableObjectFactory(const std::string& uri, MongoDB::Connection::SocketFactory& socketFactory):
_uri(uri),
_pSocketFactory(&socketFactory)
{
}
MongoDB::Connection::Ptr createObject()
{
if (_pSocketFactory)
return new MongoDB::Connection(_uri, *_pSocketFactory);
else
return new MongoDB::Connection(_address);
}
bool validateObject(MongoDB::Connection::Ptr pObject)
{
return true;
}
void activateObject(MongoDB::Connection::Ptr pObject)
{
}
void deactivateObject(MongoDB::Connection::Ptr pObject)
{
}
void destroyObject(MongoDB::Connection::Ptr pObject)
{
}
private:
Net::SocketAddress _address;
std::string _uri;
MongoDB::Connection::SocketFactory* _pSocketFactory;
};
namespace MongoDB {
class PooledConnection
/// Helper class for borrowing and returning a connection automatically from a pool.
{
public:
PooledConnection(Poco::ObjectPool<Connection, Connection::Ptr>& pool) : _pool(pool)
{
_connection = _pool.borrowObject();
}
virtual ~PooledConnection()
{
try
{
if (_connection)
{
_pool.returnObject(_connection);
}
}
catch (...)
{
poco_unexpected();
}
}
operator Connection::Ptr ()
{
return _connection;
}
private:
Poco::ObjectPool<Connection, Connection::Ptr>& _pool;
Connection::Ptr _connection;
};
} } // namespace Poco::MongoDB
#endif // MongoDB_PoolableConnectionFactory_INCLUDED
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