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+// -*-C++-*- (for Emacs)
+
+/*
+* 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>.
+*/
+/*************************************************************
+ *
+ *
+ * PURPOSE:
+ *   The Type class is the superclass for the classes
+ *   CollectionType, BaseType, and MDDType.
+ *
+ *
+ * COMMENTS:
+ *
+ ************************************************************/
+
+#ifndef _TYPE_HH_
+#define _TYPE_HH_
+
+class Type;
+class OId;
+
+#include <iostream>
+using std::ostream;
+using std::cout;
+using std::endl;
+
+#include "catalogmgr/ops.hh"
+#include "reladminif/dbnamedobject.hh"
+
+//@ManMemo: Module: {\bf relcatalogif}.
+
+/*@Doc:
+Type is the abstract base class for CollectionType, BaseType, and MDDType.
+
+Common to each type is the ability to get its name.
+This functionality is defined as a pure virtual function here.
+
+{\bf Interdependencies}
+
+Each \Ref{Tile} has a pointer to its BaseType. Pointers to BaseType
+are also used in subclasses of \Ref{MDDObject}.
+*/
+
+class Type : public DBNamedObject
+	{
+	public:
+		virtual void destroy();
+		/*@Doc:
+		does nothing.  is neccessary to stop types from being deleted by ~DBRef<Type>
+		*/
+	
+		/// returns the name of the type as a C string.
+		virtual const char* getTypeName() const;
+		/*@Doc:
+		  The name of the type is the class name without the Type suffix.
+		  e.g. "Bool" for \Ref{BoolType}, or "ULong" for \Ref{ULongType},
+		  or "Set" for \Ref{SetType}, or "Dimension" for \Ref{DimensionType}.
+		*/
+
+		/// returns the structure of the type as a C string.
+		virtual char* getTypeStructure() const;
+		/*@Doc:
+		  Returns a copy of getTypeName() for non-structured base types. For
+		  structured types a list of the elements in the form of #struct {
+		  ulong elemName1, ushort elemName2 }# is returned. MDDTypes are
+		  printed in the form #marray< RGBPixel, [10:20]# (less information,
+		  if domain is not specified). Sets are printed in the form
+		  #set<setName>#. The char* has to be freed by the caller!
+		*/
+
+		const TypeEnum getType() const;
+		/*@Doc:
+		returns the type as a TypeEnum.
+		*/
+
+		virtual int compatibleWith(const Type* aType) const;
+		/*@Doc:
+		checks, if two types are compatible (see also \Ref{MDDType}).
+		*/
+
+		Type();
+		/*@Doc:
+		default constructor, cannot be used.
+		*/
+
+		Type(const OId& id) throw (r_Error);
+		/*@Doc:
+		*/
+
+		Type(const Type& old);
+		/*@Doc:
+		*/
+
+		Type& operator=(const Type& old);
+		/*@Doc:
+		*/
+
+		virtual ~Type();
+		/*@Doc:
+		virtual destructor.
+		*/
+		
+	protected:
+		TypeEnum myType;
+		/*@Doc:
+		enum for type.  this can be ULONG, USHORT, CHAR,
+			BOOLTYPE, LONG, SHORT, OCTET, DOUBLE,
+			FLOAT, STRUCT, CLASSTYPE, SETTYPE, MDDTYPE
+		*/
+
+		Type(const char* name);
+		/*@Doc:
+		*/
+	};
+
+#endif