A scripted SQL query generation framework with IDE: SQLpp (v1.4)

#ifndef SQLPP_REF_CONSTRAINT_HPP
#define SQLPP_REF_CONSTRAINT_HPP

#include <sqlpp/config.hpp>
#include <sqlpp/utils.hpp>
#include <sqlpp/predefs.hpp>
#include <sqlpp/constraint.hpp>

namespace sqlpp{


class ref_constraint :
	public constraint
{
public:
	enum EventAction
	{
		EventActionUnknown,
		EventActionNoAction,
		EventActionCascade,
		EventActionSetNull,
		EventActionSetDefault
	};

	enum Match
	{
		MatchUnknown,
		MatchFull,
		MatchPartial
	};

protected:
	friend table;

	ref_constraint(
		table_shared_ptr table_,
		string_const_reference name_,
		field_container_const_reference fields_,
		table_shared_ptr reference_table_,
		EventAction on_delete_ = EventActionUnknown,
		EventAction on_update_ = EventActionUnknown,
		Match match_ = MatchUnknown
		);

public:
	virtual string_type get_sql() const;

	table_shared_ptr get_reference_table() const;

protected:
	virtual const char* get_type_string() const			{	return "FOREIGN KEY";};
	virtual const char* get_small_type_string() const	{	return "FK";};

protected:
	const char* event_action_to_string(EventAction action) const;
	const char* match_to_string(Match match) const;
private:
	table_weak_ptr m_reference_table;
	EventAction m_on_delete;
	EventAction m_on_update;
	Match m_match;
};
typedef boost::shared_ptr< ref_constraint > ref_constraint_shared_ptr;
typedef std::vector< ref_constraint_shared_ptr > ref_constraint_container;

};
#endif