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/*************************************************************************
*
* $RCSfile: DIndex.hxx,v $
*
* $Revision: 1.1.1.1 $
*
* last change: $Author: hr $ $Date: 2000-09-18 16:14:25 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _CONNECTIVITY_DBASE_INDEX_HXX_
#define _CONNECTIVITY_DBASE_INDEX_HXX_
#ifndef _CONNECTIVITY_SDBCX_INDEX_HXX_
#include "connectivity/sdbcx/VIndex.hxx"
#endif
#ifndef _COM_SUN_STAR_LANG_XUNOTUNNEL_HPP_
#include <com/sun/star/lang/XUnoTunnel.hpp>
#endif
#ifndef _CONNECTIVITY_DBASE_TABLE_HXX_
#include "dbase/DTable.hxx"
#endif
#ifndef _CONNECTIVITY_DBASE_INDEXNODE_HXX_
#include "dbase/dindexnode.hxx"
#endif
#define dBASE_III_GROUP "dBase III"
namespace connectivity
{
namespace dbase
{
class OIndexIterator;
class ONDXKey;
typedef sdbcx::OIndex ODbaseIndex_BASE;
typedef file::OBoolOperator OBoolOperator_BASE;
typedef file::OOperand OOperand_BASE;
class ODbaseIndex : public ODbaseIndex_BASE,
public com::sun::star::lang::XUnoTunnel
{
friend SvStream& operator << (SvStream &rStream, ODbaseIndex&);
friend SvStream& operator >> (SvStream &rStream, ODbaseIndex&);
friend class ONDXNode;
friend class ONDXPage;
friend class ONDXPagePtr;
friend class OIndexIterator;
public:
//==================================================================
// Kopfsatz-Struktur, verbleibt im Speicher
//==================================================================
struct NDXHeader
{
sal_uInt32 db_rootpage; /* Position der Rootpage */
sal_uInt32 db_pagecount; /* Anzahl Pages */
sal_uInt8 db_frei[4]; /* reserviert */
sal_uInt16 db_keylen; /* Laenge des Schluessels */
sal_uInt16 db_maxkeys; /* Max. # keys pro Seite */
sal_uInt16 db_keytype; /* Art des Schluessels
(0-Text)
(1-Numerisch) */
sal_uInt16 db_keyrec; /* Laenge eines IndexSatzes
SatzNr + keylen */
sal_uInt8 db_frei1[3]; /* reserviert */
sal_uInt8 db_unique; /* eindeutig */
char db_name[488]; /* index_name (Feldname) */
};
private:
SvFileStream m_aFileStream; // Stream zum Lesen/Schreiben des Index
NDXHeader m_aHeader;
ONDXPageList m_aCollector; // Pool von nicht mehr bentigten Seiten
ONDXPagePtr m_aRoot, // Wurzel des b+ Baums
m_aCurLeaf; // aktuelles Blatt
USHORT m_nCurNode; // Position des aktuellen Knoten
sal_uInt32 m_nPageCount,
m_nRootPage;
ODbaseTable* m_pTable;
BOOL m_bUseCollector : 1; // Verwenden des GarbageCollectors
sal_Bool m_bUnique;
sal_Bool openIndexFile();
INetURLObject getEntry();
public:
DECLARE_CTY_DEFAULTS( ODbaseIndex_BASE);
ODbaseIndex(ODbaseTable* _pTable);
ODbaseIndex(ODbaseTable* _pTable,const NDXHeader& _aHeader,const ::rtl::OUString& _Name);
virtual void refreshColumns();
//XInterface
virtual com::sun::star::uno::Any SAL_CALL queryInterface( const com::sun::star::uno::Type & rType ) throw(com::sun::star::uno::RuntimeException);
//XTypeProvider
virtual com::sun::star::uno::Sequence< com::sun::star::uno::Type > SAL_CALL getTypes( ) throw(com::sun::star::uno::RuntimeException);
// com::sun::star::lang::XUnoTunnel
virtual sal_Int64 SAL_CALL getSomething( const com::sun::star::uno::Sequence< sal_Int8 >& aIdentifier ) throw(com::sun::star::uno::RuntimeException);
static com::sun::star::uno::Sequence< sal_Int8 > getUnoTunnelImplementationId();
const ODbaseTable* getTable() const { return m_pTable; }
const NDXHeader& getHeader() const { return m_aHeader; }
virtual OIndexIterator* createIterator(OBoolOperator_BASE* pOp,
const OOperand_BASE* pOperand = NULL);
void SetRootPos(sal_uInt32 nPos) {m_nRootPage = nPos;}
void SetPageCount(sal_uInt32 nCount) {m_nPageCount = nCount;}
sal_uInt32 GetRootPos() {return m_nRootPage;}
sal_uInt32 GetPageCount() {return m_nPageCount;}
BOOL IsText() const {return m_aHeader.db_keytype == 0;}
USHORT GetMaxNodes() const {return m_aHeader.db_maxkeys;}
virtual BOOL Insert(sal_uInt32 nRec, const OFileValue_BASE& rValue);
virtual BOOL Update(sal_uInt32 nRec, const OFileValue_BASE&, const OFileValue_BASE&);
virtual BOOL Delete(sal_uInt32 nRec, const OFileValue_BASE& rValue);
virtual BOOL Find(sal_uInt32 nRec, const OFileValue_BASE& rValue);
void createINFEntry();
BOOL CreateImpl();
BOOL DropImpl();
DECLARE_SERVICE_INFO();
protected:
ONDXPage* CreatePage(sal_uInt32 nPagePos, ONDXPage* pParent = NULL, BOOL bLoad = FALSE);
void Collect(ONDXPage*);
ONDXPagePtr getRoot();
sal_Bool isUnique() const { return m_bUnique; }
BOOL UseCollector() const {return m_bUseCollector;}
// Tree operationen
void Insert(ONDXPagePtr aCurPage, ONDXNode& rNode);
void Release(BOOL bSave = TRUE);
BOOL ConvertToKey(ONDXKey* rKey, sal_uInt32 nRec, const OFileValue_BASE& rValue);
};
SvStream& operator << (SvStream &rStream, ODbaseIndex&);
SvStream& operator >> (SvStream &rStream, ODbaseIndex&);
}
}
#endif // _CONNECTIVITY_DBASE_INDEX_HXX_
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