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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 : #ifndef DBACCESS_CORE_API_ROWSETBASE_HXX
20 : #define DBACCESS_CORE_API_ROWSETBASE_HXX
21 :
22 : #include <cppuhelper/implbase10.hxx>
23 : #include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
24 : #include <com/sun/star/sdbc/XRow.hpp>
25 : #include <com/sun/star/sdbc/XColumnLocate.hpp>
26 : #include <com/sun/star/sdbc/XCloseable.hpp>
27 : #include <com/sun/star/sdbcx/XRowLocate.hpp>
28 : #include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
29 : #include <com/sun/star/sdbc/XWarningsSupplier.hpp>
30 : #include <com/sun/star/lang/XServiceInfo.hpp>
31 : #include <com/sun/star/lang/XUnoTunnel.hpp>
32 : #include <cppuhelper/interfacecontainer.h>
33 : #include <connectivity/sqlerror.hxx>
34 : #include <connectivity/CommonTools.hxx>
35 : #include <comphelper/propertystatecontainer.hxx>
36 : #include <comphelper/proparrhlp.hxx>
37 : #include <com/sun/star/sdbc/XRowSet.hpp>
38 : #include <com/sun/star/util/XNumberFormatTypes.hpp>
39 : #include <com/sun/star/container/XNameAccess.hpp>
40 : #include "RowSetRow.hxx"
41 : #include <comphelper/broadcasthelper.hxx>
42 : #include "RowSetCacheIterator.hxx"
43 : #include "core_resource.hxx"
44 : #include <comphelper/componentcontext.hxx>
45 :
46 : #include <functional>
47 :
48 :
49 : namespace com { namespace sun { namespace star {
50 : namespace sdb { struct RowChangeEvent; }
51 : namespace lang { struct Locale; }
52 : } } }
53 :
54 : namespace dbaccess
55 : {
56 : class OEmptyCollection;
57 :
58 : typedef ::cppu::ImplHelper10< ::com::sun::star::sdbcx::XRowLocate,
59 : ::com::sun::star::sdbc::XRow,
60 : ::com::sun::star::sdbc::XResultSetMetaDataSupplier,
61 : ::com::sun::star::sdbc::XWarningsSupplier,
62 : ::com::sun::star::sdbc::XColumnLocate,
63 : ::com::sun::star::sdbcx::XColumnsSupplier,
64 : ::com::sun::star::lang::XServiceInfo,
65 : ::com::sun::star::sdbc::XRowSet,
66 : ::com::sun::star::sdbc::XCloseable,
67 : ::com::sun::star::lang::XUnoTunnel> ORowSetBase_BASE;
68 :
69 : class ORowSetCache;
70 : class ORowSetDataColumns;
71 : class ORowSetCacheIterator;
72 : class ORowSetDataColumn;
73 : class ORowSetBase : public ORowSetBase_BASE,
74 : public ::comphelper::OPropertyStateContainer,
75 : public ::comphelper::OPropertyArrayUsageHelper<ORowSetBase> // this class hold the static property info
76 : {
77 : OModuleClient m_aModuleClient;
78 : protected:
79 : typedef ::std::vector<ORowSetDataColumn*> TDataColumns;
80 : ::osl::Mutex* m_pMutex; // this the mutex form the rowset itself
81 : ::osl::Mutex m_aRowCountMutex, // mutex for rowcount changes
82 : // we need a extra mutex for columns to prevend deadlock when setting new values
83 : // for a row
84 : m_aColumnsMutex;
85 :
86 : ::com::sun::star::uno::Any m_aBookmark;
87 : ORowSetCacheIterator m_aCurrentRow; // contains the actual fetched row
88 : TORowSetOldRowHelperRef m_aOldRow;
89 : TDataColumns m_aDataColumns; // holds the columns as m_pColumns but know the implementation class
90 : connectivity::ORowSetValue m_aEmptyValue; // only for error case
91 :
92 : ::cppu::OWeakObject* m_pMySelf; // set by derived classes
93 : ORowSetCache* m_pCache; // the cache is used by the rowset and his clone (shared)
94 : ORowSetDataColumns* m_pColumns; // represent the select columns
95 : ::cppu::OBroadcastHelper& m_rBHelper; // must be set from the derived classes
96 : // is used when the formatkey for database types is set
97 : ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatTypes> m_xNumberFormatTypes;
98 : OEmptyCollection* m_pEmptyCollection;
99 :
100 : ::comphelper::ComponentContext m_aContext;
101 : ::connectivity::SQLError m_aErrors;
102 :
103 : sal_Int32 m_nLastColumnIndex; // the last column ask for, used for wasNull()
104 : sal_Int32 m_nDeletedPosition; // is set only when a row was deleted
105 : sal_Int32 m_nResultSetType; // fetch property
106 : sal_Int32 m_nResultSetConcurrency;
107 : sal_Bool m_bClone; // I'm clone or not
108 : sal_Bool m_bIgnoreResult ;
109 : sal_Bool m_bBeforeFirst : 1;
110 : sal_Bool m_bAfterLast : 1;
111 : sal_Bool m_bIsInsertRow : 1;
112 :
113 : protected:
114 : ORowSetBase(
115 : const ::comphelper::ComponentContext& _rContext,
116 : ::cppu::OBroadcastHelper& _rBHelper,
117 : ::osl::Mutex* _pMutex
118 : );
119 :
120 : // fire a notification for all that are listening on column::VALUE property
121 : void firePropertyChange(const ORowSetRow& _rOldRow);
122 : // fire a change for one column
123 : // _nPos starts at zero
124 : void firePropertyChange(sal_Int32 _nPos,const ::connectivity::ORowSetValue& _rNewValue);
125 :
126 : // fire if rowcount changed
127 : virtual void fireRowcount();
128 : // notify row changed
129 : virtual sal_Bool notifyAllListenersCursorBeforeMove(::osl::ResettableMutexGuard& _rGuard);
130 : // notify cursor moved
131 : virtual void notifyAllListenersCursorMoved(::osl::ResettableMutexGuard& _rGuard);
132 : // notify all that rowset changed
133 : virtual void notifyAllListeners(::osl::ResettableMutexGuard& _rGuard);
134 :
135 : // cancel the insertion, if necessary (means if we're on the insert row)
136 : virtual void doCancelModification( ) = 0;
137 : // return <TRUE/> if and only if we're using the insert row (means: we're updating _or_ inserting)
138 : virtual sal_Bool isModification( ) = 0;
139 : // return <TRUE/> if and only if the current row is modified
140 : // TODO: isn't this the same as isModification?
141 : virtual sal_Bool isModified( ) = 0;
142 : // return <TRUE/> if and only if the current row is the insert row
143 : virtual sal_Bool isNew( ) = 0;
144 : // return <TRUE/> if the property change notification should be fired
145 : // upon property change.
146 : virtual sal_Bool isPropertyChangeNotificationEnabled() const;
147 : // notify the change of a boolean property
148 : void fireProperty( sal_Int32 _nProperty, sal_Bool _bNew, sal_Bool _bOld );
149 :
150 : // OPropertyStateContainer
151 : virtual void getPropertyDefaultByHandle( sal_Int32 _nHandle, ::com::sun::star::uno::Any& _rDefault ) const;
152 : virtual void SAL_CALL getFastPropertyValue(::com::sun::star::uno::Any& rValue,sal_Int32 nHandle) const;
153 :
154 : enum CursorMoveDirection
155 : {
156 : /// denotes a cursor move forward
157 : MOVE_FORWARD,
158 : /// denotes a cursor move backwards
159 : MOVE_BACKWARD,
160 : /// denotes no cursor move at all, used when the current row is to be refreshed only
161 : MOVE_NONE_REFRESH_ONLY
162 : };
163 : /** positions the cache in preparation of a cursor move
164 :
165 : Normally, the cache is simply moved to our bookmark (m_aBookmark). If however the current
166 : row is deleted, then the cache is properly positioned for a following cursor movement in the
167 : given direction.
168 :
169 : @param _ePrepareForDirection
170 : the direction into which the cursor should be moved after the call. If we're currently not on
171 : a deleted row, this parameter is ignored, since in this case the cache is simply moved to
172 : m_aBookmark.</br>
173 : If, however, we're currently on a deleted row, this is used to properly position the cache
174 : using <member>m_nDeletedPosition</member>.<br/>
175 : In this case, MOVE_NONE_REFRESH_ONLY is not supported. This is because the deleted row
176 : (to which the RowSet currently points to) is not present in the cache. So, you cannot move the
177 : cache to this row.
178 : */
179 : void positionCache( CursorMoveDirection _ePrepareForDirection );
180 :
181 : // returns a value of a column of the current row
182 : const connectivity::ORowSetValue& getValue(sal_Int32 columnIndex);
183 : // the cache has to be checked before calling this method
184 : const connectivity::ORowSetValue& impl_getValue(sal_Int32 columnIndex);
185 : // sets the current and the bookmark
186 : void setCurrentRow( sal_Bool _bMoved, sal_Bool _bDoNotify, const ORowSetRow& _rOldValues, ::osl::ResettableMutexGuard& _rGuard);
187 : void checkPositioningAllowed() throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
188 : // checks if the cache is null
189 : void checkCache();
190 : // sets the bookmark to Any()
191 : // m_aCurrentRow to end of matrix
192 : // m_aOldRow to NULL
193 : void movementFailed();
194 :
195 : ORowSetRow getOldRow(sal_Bool _bWasNew);
196 : /** move the cache the postion defined by the member functor
197 : @param _aCheckFunctor
198 : Return <TRUE/> when we already stand on the row we want to.
199 : @param _aMovementFunctor
200 : The mehtod used to move.
201 : @return
202 : <TRUE/> if movement was successful.
203 : */
204 : sal_Bool SAL_CALL move( ::std::mem_fun_t<sal_Bool,ORowSetBase>& _aCheckFunctor,
205 : ::std::mem_fun_t<sal_Bool,ORowSetCache>& _aMovementFunctor);
206 :
207 : /** same meaning as isFirst. Only need by mem_fun
208 : @return
209 : <TRUE/> if so.
210 : */
211 : sal_Bool isOnFirst();
212 : /** same meaning as isLast. Only need by mem_fun
213 : @return
214 : <TRUE/> if so.
215 : */
216 : sal_Bool isOnLast();
217 :
218 : /** returns the current row count
219 :
220 : This function takes into account that we might actually be positioned on a
221 : deleted row, so that m_pCache->m_nRowCount does not really reflect the actual
222 : count.
223 :
224 : @precond
225 : Our mutext is locked.
226 : */
227 : sal_Int32 impl_getRowCount() const;
228 :
229 : // the checkCache has to be called before calling this methods
230 : sal_Bool impl_wasNull();
231 : sal_Int32 impl_getRow();
232 : sal_Bool impl_rowDeleted();
233 :
234 : public:
235 : virtual ~ORowSetBase();
236 :
237 : // OComponentHelper
238 : virtual void SAL_CALL disposing(void);
239 :
240 : // com::sun::star::beans::XPropertySet
241 4 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo( ) throw(::com::sun::star::uno::RuntimeException)
242 : {
243 4 : return ::cppu::OPropertySetHelper::createPropertySetInfo(getInfoHelper());
244 : }
245 :
246 : // comphelper::OPropertyArrayUsageHelper
247 : virtual ::cppu::IPropertyArrayHelper* createArrayHelper( ) const;
248 :
249 : // cppu::OPropertySetHelper
250 : virtual ::cppu::IPropertyArrayHelper& SAL_CALL getInfoHelper();
251 :
252 : // com::sun::star::lang::XTypeProvider
253 : virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type > SAL_CALL getTypes() throw (::com::sun::star::uno::RuntimeException);
254 :
255 : // com::sun::star::uno::XInterface
256 : virtual ::com::sun::star::uno::Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type & rType ) throw (::com::sun::star::uno::RuntimeException);
257 :
258 : // ::com::sun::star::sdbc::XWarningsSupplier
259 : virtual ::com::sun::star::uno::Any SAL_CALL getWarnings( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
260 : virtual void SAL_CALL clearWarnings( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
261 :
262 : // ::com::sun::star::sdbc::XResultSetMetaDataSupplier
263 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSetMetaData > SAL_CALL getMetaData( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
264 :
265 : // ::com::sun::star::sdbc::XColumnLocate
266 : virtual sal_Int32 SAL_CALL findColumn( const ::rtl::OUString& columnName ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
267 :
268 : // ::com::sun::star::sdbcx::XColumnsSupplier
269 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess > SAL_CALL getColumns( ) throw(::com::sun::star::uno::RuntimeException);
270 :
271 : // ::com::sun::star::sdbc::XRow
272 : virtual sal_Bool SAL_CALL wasNull( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
273 : virtual ::rtl::OUString SAL_CALL getString( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
274 : virtual sal_Bool SAL_CALL getBoolean( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
275 : virtual sal_Int8 SAL_CALL getByte( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
276 : virtual sal_Int16 SAL_CALL getShort( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
277 : virtual sal_Int32 SAL_CALL getInt( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
278 : virtual sal_Int64 SAL_CALL getLong( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
279 : virtual float SAL_CALL getFloat( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
280 : virtual double SAL_CALL getDouble( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
281 : virtual ::com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL getBytes( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
282 : virtual ::com::sun::star::util::Date SAL_CALL getDate( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
283 : virtual ::com::sun::star::util::Time SAL_CALL getTime( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
284 : virtual ::com::sun::star::util::DateTime SAL_CALL getTimestamp( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
285 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getBinaryStream( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
286 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getCharacterStream( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
287 : virtual ::com::sun::star::uno::Any SAL_CALL getObject( sal_Int32 columnIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess >& typeMap ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
288 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRef > SAL_CALL getRef( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
289 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XBlob > SAL_CALL getBlob( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
290 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XClob > SAL_CALL getClob( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
291 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XArray > SAL_CALL getArray( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
292 :
293 : // ::com::sun::star::sdbcx::XRowLocate
294 : virtual ::com::sun::star::uno::Any SAL_CALL getBookmark( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
295 : virtual sal_Bool SAL_CALL moveToBookmark( const ::com::sun::star::uno::Any& bookmark ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
296 : virtual sal_Bool SAL_CALL moveRelativeToBookmark( const ::com::sun::star::uno::Any& bookmark, sal_Int32 rows ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
297 : virtual sal_Int32 SAL_CALL compareBookmarks( const ::com::sun::star::uno::Any& first, const ::com::sun::star::uno::Any& second ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
298 : virtual sal_Bool SAL_CALL hasOrderedBookmarks( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
299 : virtual sal_Int32 SAL_CALL hashBookmark( const ::com::sun::star::uno::Any& bookmark ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
300 :
301 : // ::com::sun::star::sdbc::XResultSet
302 : virtual sal_Bool SAL_CALL next( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
303 : virtual sal_Bool SAL_CALL isBeforeFirst( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
304 : virtual sal_Bool SAL_CALL isAfterLast( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
305 : virtual sal_Bool SAL_CALL isFirst( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
306 : virtual sal_Bool SAL_CALL isLast( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
307 : virtual void SAL_CALL beforeFirst( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
308 : virtual void SAL_CALL afterLast( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
309 : virtual sal_Bool SAL_CALL first( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
310 : virtual sal_Bool SAL_CALL last( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
311 : virtual sal_Int32 SAL_CALL getRow( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
312 : virtual sal_Bool SAL_CALL absolute( sal_Int32 row ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
313 : virtual sal_Bool SAL_CALL relative( sal_Int32 rows ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
314 : virtual sal_Bool SAL_CALL previous( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
315 : virtual void SAL_CALL refreshRow( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
316 : virtual sal_Bool SAL_CALL rowUpdated( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
317 : virtual sal_Bool SAL_CALL rowInserted( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
318 : virtual sal_Bool SAL_CALL rowDeleted( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
319 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL getStatement( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
320 :
321 : // ::com::sun::star::sdbc::XRowSet
322 : virtual void SAL_CALL execute( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) = 0;
323 : virtual void SAL_CALL addRowSetListener( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSetListener >& listener ) throw(::com::sun::star::uno::RuntimeException) = 0;
324 : virtual void SAL_CALL removeRowSetListener( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSetListener >& listener ) throw(::com::sun::star::uno::RuntimeException) = 0;
325 :
326 : // is called when the rowset is going to delete this bookmark _rBookmark
327 : void onDeleteRow( const ::com::sun::star::uno::Any& _rBookmark );
328 : // is called when the rowset has deleted this bookmark _rBookmark
329 : void onDeletedRow( const ::com::sun::star::uno::Any& _rBookmark, sal_Int32 _nPos );
330 :
331 : // ==========================================================
332 : // granular access control
333 0 : struct GrantNotifierAccess { friend class ORowSetNotifier; private: GrantNotifierAccess () { } };
334 :
335 : // cancel the insertion, if necessary (means if we're on the insert row)
336 0 : inline void doCancelModification( const GrantNotifierAccess& ) { doCancelModification(); }
337 0 : inline sal_Bool isModification( const GrantNotifierAccess& ) { return isModification(); }
338 0 : inline sal_Bool isModified( const GrantNotifierAccess& ) { return isModified(); }
339 0 : inline sal_Bool isNew( const GrantNotifierAccess& ) { return isNew(); }
340 0 : inline sal_Bool isInsertRow() { return m_bIsInsertRow; } // isNew() || isModified(); }
341 0 : inline void fireProperty( sal_Int32 _nProperty, sal_Bool _bNew, sal_Bool _bOld, const GrantNotifierAccess& )
342 : {
343 0 : fireProperty( _nProperty, _bNew, _bOld );
344 0 : }
345 0 : inline void firePropertyChange(sal_Int32 _nPos,const ::connectivity::ORowSetValue& _rNewValue, const GrantNotifierAccess& )
346 : {
347 0 : firePropertyChange(_nPos,_rNewValue);
348 0 : }
349 : using ::comphelper::OPropertyStateContainer::getFastPropertyValue;
350 :
351 0 : ::osl::Mutex* getMutex() const { return m_pMutex; }
352 : };
353 :
354 : // ========================================================================
355 : /** eases the handling of the doCancelModification and notifyCancelInsert methods
356 :
357 : <p>The class can only be used on the stack, within a method of ORowSetBase (or derivees)</p>
358 : */
359 : struct ORowSetNotifierImpl;
360 : class ORowSetNotifier
361 : {
362 : private:
363 : ::std::auto_ptr<ORowSetNotifierImpl> m_pImpl;
364 : ORowSetBase* m_pRowSet;
365 : // not aquired! This is not necessary because this class here is to be used on the stack within
366 : // a method of ORowSetBase (or derivees)
367 : sal_Bool m_bWasNew;
368 : sal_Bool m_bWasModified;
369 :
370 : #ifdef DBG_UTIL
371 : sal_Bool m_bNotifyCalled;
372 : #endif
373 :
374 : public:
375 : /** constructs the object, and cancels the insertion
376 :
377 : @see ORowSetBase::doCancelModification
378 : */
379 : ORowSetNotifier( ORowSetBase* m_pRowSet );
380 :
381 : /** use this one to consturct an vector for change value notification
382 : */
383 : ORowSetNotifier( ORowSetBase* m_pRowSet,const ORowSetValueVector::Vector& i_aRow );
384 :
385 : // destructs the object. <member>fire</member> has to be called before.
386 : ~ORowSetNotifier( );
387 :
388 : /** notifies the insertion
389 :
390 : <p>This has <em>not</em> been put into the destructor by intention!<br/>
391 :
392 : The destructor is called during stack unwinding in case of an exception, so if we would do
393 : listener notification there, this would have the potential of another exception during stack
394 : unwinding, which would terminate the application.</p>
395 :
396 : @see ORowSetBase::notifyCancelInsert
397 : */
398 : void fire();
399 :
400 : /** notifies value change events and notifies IsModified
401 : @param i_aChangedColumns the index of the changed value columns
402 : @param i_aRow the old values
403 : @see ORowSetBase::notifyCancelInsert
404 : */
405 : void firePropertyChange();
406 :
407 : /** use this one to store the inde of the changed column values
408 : */
409 : ::std::vector<sal_Int32>& getChangedColumns() const;
410 :
411 : };
412 :
413 : } // end of namespace
414 :
415 : #endif // DBACCESS_CORE_API_ROWSETBASE_HXX
416 :
417 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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