icinga2/lib/ido/dbvalue.h

/******************************************************************************
 * Icinga 2                                                                   *
 * Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/)        *
 *                                                                            *
 * This program is free software; you can redistribute it and/or              *
 * modify it under the terms of the GNU General Public License                *
 * as published by the Free Software Foundation; either version 2             *
 * of the License, or (at your option) any later version.                     *
 *                                                                            *
 * This program is distributed in the hope that it will be useful,            *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
 * GNU General Public License for more details.                               *
 *                                                                            *
 * You should have received a copy of the GNU General Public License          *
 * along with this program; if not, write to the Free Software Foundation     *
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
 ******************************************************************************/

#ifndef DBVALUE_H
#define DBVALUE_H

#include "base/object.h"
#include "base/value.h"
#include <boost/smart_ptr/make_shared.hpp>

namespace icinga
{

enum DbValueType
{
	DbValueTimestamp,
	DbValueTimestampNow,
	DbValueObjectInsertID,
};

/**
 * A database value.
 *
 * @ingroup ido
 */
struct DbValue : public Object
{
public:
	DECLARE_PTR_TYPEDEFS(DbValue);

	static Value FromTimestamp(const Value& ts);
	static Value FromTimestampNow(void);
	static Value FromValue(const Value& value);
	static Value FromObjectInsertID(const Value& value);

	static bool IsTimestamp(const Value& value);
	static bool IsTimestampNow(const Value& value);
	static bool IsObjectInsertID(const Value& value);
	static Value ExtractValue(const Value& value);

	DbValueType GetType(void) const;
	Value GetValue(void) const;

protected:
	DbValue(DbValueType type, const Value& value);

private:
	DbValueType m_Type;
	Value m_Value;

	friend boost::shared_ptr<DbValue> boost::make_shared<>(const icinga::DbValueType&, const double&);
	friend boost::shared_ptr<DbValue> boost::make_shared<>(const icinga::DbValueType&, const icinga::Value&);
};

}

#endif /* DBVALUE_H */