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/*
* This file is part of rasdaman community.
*
* Rasdaman community 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 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/
/**
* INCLUDE: attribute.hh
*
* MODULE: raslib
* CLASS: r_Attribute
*
* COMMENTS:
* None
*/
#ifndef _D_ATTRIBUTE_
#define _D_ATTRIBUTE_
#include "raslib/property.hh"
#include "raslib/odmgtypes.hh"
#include "raslib/mddtypes.hh"
class r_Base_Type;
class r_Type_Id;
class r_Error;
//@ManMemo: Module: {\bf raslib}
/*@Doc:
This class represents attributes of structs in the ODMG
conformant representation of the RasDaMan type system.
*/
class r_Attribute : public r_Property
{
public:
/// default constructor.
/// initialise important attributes to NULL
r_Attribute();
/// constructor getting name and type of attribute.
r_Attribute(const char* newTypeName, const r_Base_Type& newType);
/// copy constructor.
r_Attribute(const r_Attribute& oldObj);
/// assignment operator.
const r_Attribute& operator=(const r_Attribute& oldObj);
/// destructor.
virtual ~r_Attribute();
/// retrieve (local) offset
r_Bytes offset() const;
/// set (local) offset
void set_offset(r_Bytes newOffset);
/// retrieve global offset
r_Bytes global_offset() const;
/// set global offset
void set_global_offset(r_Bytes newOffset);
/// writes state of object to specified stream
virtual void print_status(std::ostream& s = std::cout) const;
/// subscript operator to access attributes of a structured attribute
/// throws error when type is not a struct type
r_Attribute operator[](unsigned int number) const throw(r_Error);
//@Man: Type-safe value access methods. In case of type mismatch, an exception is raised.
//@{
///
r_Boolean get_boolean(const char* cell) const throw(r_Error);
///
r_Char get_char(const char* cell) const throw(r_Error);
///
r_Octet get_octet(const char* cell) const throw(r_Error);
///
r_Short get_short(const char* cell) const throw(r_Error);
///
r_UShort get_ushort(const char* cell) const throw(r_Error);
///
r_Long get_long(const char* cell) const throw(r_Error);
///
r_ULong get_ulong(const char* cell) const throw(r_Error);
///
r_Float get_float(const char* cell) const throw(r_Error);
///
r_Double get_double(const char* cell) const throw(r_Error);
///
//@}
protected:
/// local offset
r_Bytes localOffset;
/// global offset
r_Bytes globalOffset;
};
//@Doc: write the status of a attribute to a stream
extern std::ostream &operator<<( std::ostream &str, const r_Attribute &type );
#endif
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