#ifndef SESSION_H
#define SESSION_H

#include <map>
#include <glibmm/ustring.h>
#include <boost/intrusive_ptr.hpp>
#include "intrusivePtrBase.h"
#include "variables.h"
#include "exceptions.h"

/// Base class for classes implementing session variable storage
class Session : public virtual IntrusivePtrBase {
	public:
		SimpleMessageException(VariableNotFound);
		typedef std::map<Glib::ustring, VariableType> Values;

		Session();
		virtual ~Session() = 0;

		virtual const VariableType & GetValue(const Glib::ustring & name) const = 0;
		virtual Values GetValuesCopy() const = 0;
		virtual void SetValue(const Glib::ustring & name, const VariableType & value) = 0;
		virtual void ClearValue(const Glib::ustring & name) = 0;
		virtual time_t ExpiryTime() const = 0;

	protected:
		virtual void ExpiryTime(time_t) = 0;
		friend class SessionContainer;
};
typedef boost::intrusive_ptr<Session> SessionPtr;

#endif