/************************************************************************* * * $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 #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 benötigten 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_