xref: /trunk/main/dbaccess/source/core/api/RowSetCache.hxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 #ifndef DBACCESS_CORE_API_ROWSETCACHE_HXX
28 #define DBACCESS_CORE_API_ROWSETCACHE_HXX
29 
30 #ifndef _CONNECTIVITY_COMMONTOOLS_HXX_
31 #include <connectivity/CommonTools.hxx>
32 #endif
33 #ifndef _COM_SUN_STAR_LANG_XSERVICEINFO_HPP_
34 #include <com/sun/star/lang/XServiceInfo.hpp>
35 #endif
36 #ifndef _COM_SUN_STAR_SDBC_XPREPAREDSTATEMENT_HPP_
37 #include <com/sun/star/sdbc/XPreparedStatement.hpp>
38 #endif
39 #ifndef _COM_SUN_STAR_SDBC_XCONNECTION_HPP_
40 #include <com/sun/star/sdbc/XConnection.hpp>
41 #endif
42 #ifndef _COM_SUN_STAR_SDB_XSINGLESELECTQUERYANALYZER_HPP_
43 #include <com/sun/star/sdb/XSingleSelectQueryAnalyzer.hpp>
44 #endif
45 #ifndef _COM_SUN_STAR_SDB_XSINGLESELECTQUERYANALYZER_HPP_
46 #include <com/sun/star/sdb/XSingleSelectQueryAnalyzer.hpp>
47 #endif
48 #ifndef _COM_SUN_STAR_SDBC_XRESULTSETMETADATASUPPLIER_HPP_
49 #include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
50 #endif
51 #ifndef _COM_SUN_STAR_SDBC_XWARNINGSSUPPLIER_HPP_
52 #include <com/sun/star/sdbc/XWarningsSupplier.hpp>
53 #endif
54 #ifndef _COM_SUN_STAR_SDB_XRESULTSETACCESS_HPP_
55 #include <com/sun/star/sdb/XResultSetAccess.hpp>
56 #endif
57 #ifndef _COM_SUN_STAR_SDBC_XROW_HPP_
58 #include <com/sun/star/sdbc/XRow.hpp>
59 #endif
60 #ifndef _COM_SUN_STAR_SDBC_XCOLUMNLOCATE_HPP_
61 #include <com/sun/star/sdbc/XColumnLocate.hpp>
62 #endif
63 #ifndef _COM_SUN_STAR_SDBCX_XROWLOCATE_HPP_
64 #include <com/sun/star/sdbcx/XRowLocate.hpp>
65 #endif
66 #ifndef _COM_SUN_STAR_SDBC_XROWUPDATE_HPP_
67 #include <com/sun/star/sdbc/XRowUpdate.hpp>
68 #endif
69 #ifndef _COM_SUN_STAR_SDBC_XRESULTSETUPDATE_HPP_
70 #include <com/sun/star/sdbc/XResultSetUpdate.hpp>
71 #endif
72 #ifndef _COM_SUN_STAR_SDB_XROWSETAPPROVEBROADCASTER_HPP_
73 #include <com/sun/star/sdb/XRowSetApproveBroadcaster.hpp>
74 #endif
75 #ifndef _COM_SUN_STAR_SDBC_RESULTSETTYPE_HPP_
76 #include <com/sun/star/sdbc/ResultSetType.hpp>
77 #endif
78 #ifndef _COM_SUN_STAR_SDBCX_XDELETEROWS_HPP_
79 #include <com/sun/star/sdbcx/XDeleteRows.hpp>
80 #endif
81 #ifndef _CPPUHELPER_COMPBASE11_HXX_
82 #include <cppuhelper/compbase11.hxx>
83 #endif
84 #ifndef _COMPHELPER_PROPERTYCONTAINER_HXX_
85 #include <comphelper/propertycontainer.hxx>
86 #endif
87 #ifndef COMPHELPER_COMPONENTCONTEXT_HXX
88 #include <comphelper/componentcontext.hxx>
89 #endif
90 #ifndef _CPPUHELPER_IMPLBASE5_HXX_
91 #include <cppuhelper/implbase5.hxx>
92 #endif
93 #ifndef _COMPHELPER_PROPERTY_ARRAY_HELPER_HXX_
94 #include <comphelper/proparrhlp.hxx>
95 #endif
96 #ifndef DBACCESS_CORE_API_ROWSETROW_HXX
97 #include "RowSetRow.hxx"
98 #endif
99 #ifndef DBACCESS_ROWSETCACHEITERATOR_HXX
100 #include "RowSetCacheIterator.hxx"
101 #endif
102 
103 namespace connectivity
104 {
105     class OSQLParseNode;
106 }
107 namespace dbaccess
108 {
109     class OCacheSet;
110     class ORowSetDataColumns;
111     class ORowSetCacheClone;
112 
113     class ORowSetCache
114     {
115         friend class ORowSetBase;
116         friend class ORowSet;
117         friend class ORowSetClone;
118         friend class ORowSetCacheIterator;
119 
120         typedef ::std::vector< TORowSetOldRowHelperRef >    TOldRowSetRows;
121 
122         ::std::map<sal_Int32,sal_Int32> m_aKeyColumns;
123         //the set can be static, bookmarkable or keyset
124         ::com::sun::star::uno::WeakReference< ::com::sun::star::sdbc::XResultSet>       m_xSet;
125         ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSetMetaData >  m_xMetaData; // must be before m_aInsertRow
126         ::comphelper::ComponentContext                                                  m_aContext;
127 
128         ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRow>                 m_xCacheSet;
129 
130         OCacheSet*                      m_pCacheSet;            // is a bookmarkable, keyset or static resultset
131         ORowSetMatrix*                  m_pMatrix;              // represent the table struct
132         ORowSetMatrix::iterator         m_aMatrixIter;          // represent a row of the table
133         ORowSetMatrix::iterator         m_aMatrixEnd;           // present the row behind the last row of the table
134         ORowSetCacheMap                 m_aCacheIterators;
135         TOldRowSetRows                  m_aOldRows;
136 
137         ORowSetMatrix*                  m_pInsertMatrix;        // represent the rows which should be inserted normally this is only one
138         ORowSetMatrix::iterator         m_aInsertRow;           // represent a insert row
139 
140         //  ORowSetRow                      m_aInsertRow;           // present the row that should be inserted
141         sal_Int32                       m_nLastColumnIndex;     // the last column ask for, used for wasNull()
142 
143         connectivity::OSQLTable         m_aUpdateTable;         // used for updates/deletes and inserts
144 
145         sal_Int32                   m_nFetchSize;
146         sal_Int32                   m_nRowCount;
147         sal_Int32                   m_nPrivileges;
148         sal_Int32                   m_nPosition;                // 0 means beforefirst
149 
150         sal_Int32                   m_nStartPos;                // start pos of the window zero based
151         sal_Int32                   m_nEndPos;                  // end   pos of the window zero based
152 
153         sal_Bool                    m_bRowCountFinal ;
154         sal_Bool                    m_bBeforeFirst ;
155         sal_Bool                    m_bAfterLast ;
156         sal_Bool                    m_bUpdated ;
157         sal_Bool&                   m_bModified ;           // points to the rowset member m_bModified
158         sal_Bool&                   m_bNew ;                // points to the rowset member m_bNew
159 
160         sal_Bool fill(ORowSetMatrix::iterator& _aIter,const ORowSetMatrix::iterator& _aEnd,sal_Int32& _nPos,sal_Bool _bCheck);
161         sal_Bool reFillMatrix(sal_Int32 _nNewStartPos,sal_Int32 nNewEndPos);
162         sal_Bool fillMatrix(sal_Int32 &_nNewStartPos,sal_Int32 _nNewEndPos);
163         sal_Bool moveWindow();
164         // returns true when a keyset needs to be created.
165         sal_Bool impl_createBookmarkSet_nothrow(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& _xRs);
166 
167         void firePropertyChange(sal_Int32 _nColumnIndex,const ::connectivity::ORowSetValue& _rOldValue);
168 
169         void rotateCacheIterator(ORowSetMatrix::difference_type _nDist);
170         void updateValue(sal_Int32 columnIndex
171                         ,const connectivity::ORowSetValue& x
172                         ,ORowSetValueVector::Vector& io_aRow
173                         ,::std::vector<sal_Int32>& o_ChangedColumns
174                         );
175 
176         void impl_updateRowFromCache_throw(ORowSetValueVector::Vector& io_aRow
177                                    ,::std::vector<sal_Int32>& o_ChangedColumns
178                                    );
179         // checks and set the flags isAfterLast isLast and position when afterlast is true
180         void checkPositionFlags();
181         void checkUpdateConditions(sal_Int32 columnIndex);
182         sal_Bool checkJoin( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection>& _xConnection,
183                             const ::com::sun::star::uno::Reference< ::com::sun::star::sdb::XSingleSelectQueryAnalyzer >& _xComposer,
184                             const ::rtl::OUString& _sUpdateTableName);
185         sal_Bool checkInnerJoin(const ::connectivity::OSQLParseNode *pNode
186                             ,const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection>& _xConnection
187                             ,const ::rtl::OUString& _sUpdateTableName);
188 
189         // clears the insert row
190         void                    clearInsertRow();
191         ORowSetMatrix::iterator calcPosition() const;
192 
193     protected:
194         ORowSetMatrix::iterator& getEnd() { return m_aMatrixEnd;}
195         // is called when after a moveToInsertRow a movement (next, etc) was called
196         void cancelRowModification();
197     public:
198         ORowSetCache(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& _xRs,
199                      const ::com::sun::star::uno::Reference< ::com::sun::star::sdb::XSingleSelectQueryAnalyzer >& _xAnalyzer,
200                      const ::comphelper::ComponentContext& _rContext,
201                      const ::rtl::OUString& _rUpdateTableName,
202                      sal_Bool&  _bModified,
203                      sal_Bool&  _bNew,
204                      const ORowSetValueVector& _aParameterValueForCache,
205                      const ::rtl::OUString& i_sRowSetFilter,
206                      sal_Int32 i_nMaxRows);
207         ~ORowSetCache();
208 
209 
210         // called from the rowset when a updateXXX was called for the first time
211         void setUpdateIterator(const ORowSetMatrix::iterator& _rOriginalRow);
212         ORowSetCacheIterator createIterator(ORowSetBase* _pRowSet);
213         void deleteIterator(const ORowSetBase* _pRowSet);
214         // sets the size of the matrix
215         void setFetchSize(sal_Int32 _nSize);
216 
217         TORowSetOldRowHelperRef registerOldRow();
218         void deregisterOldRow(const TORowSetOldRowHelperRef& _rRow);
219 
220     // ::com::sun::star::sdbc::XResultSetMetaDataSupplier
221         ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSetMetaData > getMetaData(  );
222 
223     // ::com::sun::star::sdbcx::XRowLocate
224         ::com::sun::star::uno::Any getBookmark(  );
225         sal_Bool moveToBookmark( const ::com::sun::star::uno::Any& bookmark );
226         sal_Bool moveRelativeToBookmark( const ::com::sun::star::uno::Any& bookmark, sal_Int32 rows );
227         sal_Int32 compareBookmarks( const ::com::sun::star::uno::Any& first, const ::com::sun::star::uno::Any& second );
228         sal_Bool hasOrderedBookmarks(  );
229         sal_Int32 hashBookmark( const ::com::sun::star::uno::Any& bookmark );
230 
231     // ::com::sun::star::sdbc::XRowUpdate
232         void updateCharacterStream( sal_Int32 columnIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& x, sal_Int32 length,ORowSetValueVector::Vector& io_aRow,::std::vector<sal_Int32>& o_ChangedColumns
233              );
234         void updateObject( sal_Int32 columnIndex, const ::com::sun::star::uno::Any& x,ORowSetValueVector::Vector& io_aRow ,::std::vector<sal_Int32>& o_ChangedColumns);
235         void updateNumericObject( sal_Int32 columnIndex, const ::com::sun::star::uno::Any& x, sal_Int32 scale,ORowSetValueVector::Vector& io_aRow ,::std::vector<sal_Int32>& o_ChangedColumns);
236         void updateNull(sal_Int32 columnIndex
237                         ,ORowSetValueVector::Vector& io_aRow
238                         ,::std::vector<sal_Int32>& o_ChangedColumns
239                         );
240 
241     // ::com::sun::star::sdbc::XResultSet
242         sal_Bool next(  );
243         sal_Bool isBeforeFirst(  );
244         sal_Bool isAfterLast(  );
245         sal_Bool isFirst(  );
246         sal_Bool isLast(  );
247         sal_Bool beforeFirst(  );
248         sal_Bool afterLast(  );
249         sal_Bool first(  );
250         sal_Bool last(  );
251         sal_Int32 getRow(  );
252         sal_Bool absolute( sal_Int32 row );
253         sal_Bool relative( sal_Int32 rows );
254         sal_Bool previous(  );
255         void refreshRow(  );
256         sal_Bool rowUpdated(  );
257         sal_Bool rowInserted(  );
258 
259     // ::com::sun::star::sdbc::XResultSetUpdate
260         sal_Bool insertRow(::std::vector< ::com::sun::star::uno::Any >& o_aBookmarks);
261         void resetInsertRow(sal_Bool _bClearInsertRow);
262 
263         void updateRow( ORowSetMatrix::iterator& _rUpdateRow,::std::vector< ::com::sun::star::uno::Any >& o_aBookmarks );
264         bool deleteRow();
265         void cancelRowUpdates(  );
266         void moveToInsertRow(  );
267 
268         const ::std::map<sal_Int32,sal_Int32>& getKeyColumns() const { return m_aKeyColumns; }
269         bool isResultSetChanged() const;
270         void reset(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet>& _xDriverSet);
271     };
272 }
273 #endif
274 
275