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diff --git a/raslib/attribute.hh b/raslib/attribute.hh
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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