#ifndef Data_SessionFactory_INCLUDED

#define Data_SessionFactory_INCLUDED

#include "Poco/Data/Data.h"

#include "Poco/Data/Connector.h"

#include "Poco/Data/Session.h"

#include "Poco/Mutex.h"

#include "Poco/SharedPtr.h"

#include "Poco/String.h"

#include <map>

namespace Poco {

namespace Data {

class Data_API SessionFactory

/// A SessionFactory is a singleton class that stores Connectors and allows to

/// create Sessions of the required type:

///

/// Session ses(SessionFactory::instance().create(connector, connectionString));

///

/// where the first param presents the type of session one wants to create (e.g. for SQLite one would choose "SQLite")

/// and the second param is the connection string that the connector requires to connect to the database.

///

/// A concrete example to open an SQLite database stored in the file "dummy.db" would be

///

/// Session ses(SessionFactory::instance().create(SQLite::Connector::KEY, "dummy.db"));

///

/// An even simpler way to create a session is to use the two argument constructor of Session, which

/// automatically invokes the SessionFactory:

///

/// Session ses("SQLite", "dummy.db");

{

static SessionFactory& instance();

/// returns the static instance of the singleton.

void add(Connector* pIn);

/// Registers a Connector under its key at the factory. If a registration for that

/// key is already active, the first registration will be kept, only its reference count will be increased.

/// Always takes ownership of parameter pIn.

void remove(const std::string& key);

/// Lowers the reference count for the Connector registered under that key. If the count reaches zero,

/// the object is removed.

Session create(const std::string& key,

const std::string& connectionString,

std::size_t timeout = Session::LOGIN_TIMEOUT_DEFAULT);

/// Creates a Session for the given key with the connectionString. Throws an Poco:Data::UnknownDataBaseException

/// if no Connector is registered for that key.

Session create(const std::string& uri,

std::size_t timeout = Session::LOGIN_TIMEOUT_DEFAULT);

/// Creates a Session for the given URI (must be in key:///connectionString format).

/// Throws a Poco:Data::UnknownDataBaseException if no Connector is registered for the key.

SessionFactory();

~SessionFactory();

SessionFactory(const SessionFactory&);

SessionFactory& operator = (const SessionFactory&);

struct SessionInfo

};

typedef std::map<std::string, SessionInfo, Poco::CILess> Connectors;

Connectors _connectors;

Poco::FastMutex _mutex;

};

} } // namespace Poco::Data

#endif // Data_SessionFactory_INCLUDED