85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2012, University in Hagen
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Faculty of Mathematic and Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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*/
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#ifndef QUERYOUTPUTFIELDS_H
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#define QUERYOUTPUTFIELDS_H
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#include "NestedList.h"
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#include "ListUtils.h"
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#include "NList.h"
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#include <list>
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namespace pgraph {
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class MemoryGraphObject;
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enum AliasType { AliasIsNode, AliasIsEdge };
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//-----------------------------------------------------------------------------
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class QueryOutputField
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{
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public:
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std::string NodeAlias="";
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std::string PropertyName="";
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std::string OutputName="";
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int index;
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std::string datatype;
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};
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//-----------------------------------------------------------------------------
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class QueryAliasInfo
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{
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public:
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AliasType Type=AliasIsNode;
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std::string AliasName="";
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std::string TypeName="";
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};
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//-----------------------------------------------------------------------------
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class QueryAliasList
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{
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public:
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std::list<QueryAliasInfo> list;
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void AddNode(std::string aliasname, std::string typename_);
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void AddEdge(std::string aliasname, std::string typename_);
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void Update(std::string aliasname, std::string typename_);
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};
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//-----------------------------------------------------------------------------
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class QueryOutputFields
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{
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public:
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std::list<QueryOutputField*> Fields;
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void ReadFromList(std::string list);
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void ReadFromList(ListExpr list);
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ListExpr StreamTypeDefinition(QueryAliasList *aliaslist,
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MemoryGraphObject *pgmem);
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};
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} // namespace
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#endif |