indexschema.h

/* This file is part of the KDE project
   Copyright (C) 2003-2004 Jaroslaw Staniek <js@iidea.pl>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#ifndef KEXIDB_INDEX_H
#define KEXIDB_INDEX_H
 
#include <tqvaluelist.h>
#include <tqstring.h>
 
#include <kexidb/fieldlist.h>
#include <kexidb/schemadata.h>
#include <kexidb/relationship.h>
 
namespace KexiDB {
 
class Connection;
class TableSchema;
class QuerySchema;
class Relationship;

class KEXI_DB_EXPORT IndexSchema : public FieldList, public SchemaData
{
    public:
        typedef TQPtrList<IndexSchema> List;
        typedef TQPtrListIterator<IndexSchema> ListIterator;

        IndexSchema(TableSchema *tableSchema);

        IndexSchema(const IndexSchema& idx, TableSchema& parentTable);

        virtual ~IndexSchema();

        virtual FieldList& addField(Field *field);

        TableSchema* table() const;

        Relationship::List* masterRelationships() { return &m_master_rels; }

        Relationship::List* detailsRelationships() { return &m_details_rels; }

        void attachRelationship(Relationship *rel);

        void detachRelationship(Relationship *rel);

        bool isAutoGenerated() const;
        
        bool isPrimaryKey() const;
        
        void setPrimaryKey(bool set);

        bool isUnique() const;
        
        void setUnique(bool set);

        virtual TQString debugString();
    protected:

//      IndexSchema(Field* singleField);

        void setAutoGenerated(bool set);

        void setForeignKey(bool set);

        void attachRelationship(Relationship *rel, bool ownedByMaster);
 
        TableSchema *m_tableSchema; 

 
        Relationship::List m_master_owned_rels; 

        Relationship::List m_master_rels; 

        Relationship::List m_details_rels; 
 
        bool m_primary : 1;
        bool m_unique : 1;
        bool m_isAutoGenerated : 1;
        bool m_isForeignKey : 1;
 
    friend class Connection;
    friend class TableSchema;
    friend class QuerySchema;
    friend class Relationship;
};
 
} //namespace KexiDB
 
#endif