xref: /AOO41X/main/dbaccess/source/ui/misc/indexcollection.cxx (revision 96de54900b79e13b861fbc62cbf36018b54e21b7)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_dbaccess.hxx"
26 
27 #ifndef _DBAUI_INDEXCOLLECTION_HXX_
28 #include "indexcollection.hxx"
29 #endif
30 #ifndef TOOLS_DIAGNOSE_EX_H
31 #include <tools/diagnose_ex.h>
32 #endif
33 #ifndef _COM_SUN_STAR_SDBCX_XAPPEND_HPP_
34 #include <com/sun/star/sdbcx/XAppend.hpp>
35 #endif
36 #ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
37 #include <com/sun/star/beans/XPropertySet.hpp>
38 #endif
39 #ifndef _COM_SUN_STAR_SDBCX_XCOLUMNSSUPPLIER_HPP_
40 #include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
41 #endif
42 #ifndef _COM_SUN_STAR_SDBCX_XDATADESCRIPTORFACTORY_HPP_
43 #include <com/sun/star/sdbcx/XDataDescriptorFactory.hpp>
44 #endif
45 #ifndef _COMPHELPER_EXTRACT_HXX_
46 #include <comphelper/extract.hxx>
47 #endif
48 #ifndef _COM_SUN_STAR_SDBCX_XDROP_HPP_
49 #include <com/sun/star/sdbcx/XDrop.hpp>
50 #endif
51 #ifndef _COM_SUN_STAR_CONTAINER_XNAMECONTAINER_HPP_
52 #include <com/sun/star/container/XNameContainer.hpp>
53 #endif
54 
55 //......................................................................
56 namespace dbaui
57 {
58 //......................................................................
59 
60     using namespace ::com::sun::star::uno;
61     using namespace ::com::sun::star::container;
62     using namespace ::com::sun::star::beans;
63     using namespace ::com::sun::star::sdbcx;
64     using namespace ::com::sun::star::sdbc;
65 
66     //==================================================================
67     //= OIndexCollection
68     //==================================================================
69     //------------------------------------------------------------------
OIndexCollection()70     OIndexCollection::OIndexCollection()
71     {
72     }
73 
74     //------------------------------------------------------------------
OIndexCollection(const OIndexCollection & _rSource)75     OIndexCollection::OIndexCollection(const OIndexCollection& _rSource)
76     {
77         *this = _rSource;
78     }
79 
80     //------------------------------------------------------------------
81 //  OIndexCollection::OIndexCollection(const Reference< XNameAccess >& _rxIndexes)
82 //  {
83 //      implConstructFrom(_rxIndexes);
84 //  }
85 
86     //------------------------------------------------------------------
operator =(const OIndexCollection & _rSource)87     const OIndexCollection& OIndexCollection::operator=(const OIndexCollection& _rSource)
88     {
89         detach();
90         m_xIndexes = _rSource.m_xIndexes;
91         m_aIndexes = _rSource.m_aIndexes;
92         return *this;
93     }
94 
95     //------------------------------------------------------------------
attach(const Reference<XNameAccess> & _rxIndexes)96     void OIndexCollection::attach(const Reference< XNameAccess >& _rxIndexes)
97     {
98         implConstructFrom(_rxIndexes);
99     }
100 
101     //------------------------------------------------------------------
detach()102     void OIndexCollection::detach()
103     {
104         m_xIndexes.clear();
105         m_aIndexes.clear();
106     }
107 
108     //------------------------------------------------------------------
find(const String & _rName) const109     Indexes::const_iterator OIndexCollection::find(const String& _rName) const
110     {
111         ::rtl::OUString sNameCompare(_rName);
112 
113         // loop'n'compare
114         Indexes::const_iterator aSearch = m_aIndexes.begin();
115         Indexes::const_iterator aEnd = m_aIndexes.end();
116         for (; aSearch != aEnd; ++aSearch)
117             if (aSearch->sName == sNameCompare)
118                 break;
119 
120         return aSearch;
121     }
122 
123     //------------------------------------------------------------------
find(const String & _rName)124     Indexes::iterator OIndexCollection::find(const String& _rName)
125     {
126         ::rtl::OUString sNameCompare(_rName);
127 
128         // loop'n'compare
129         Indexes::iterator aSearch = m_aIndexes.begin();
130         Indexes::iterator aEnd = m_aIndexes.end();
131         for (; aSearch != aEnd; ++aSearch)
132             if (aSearch->sName == sNameCompare)
133                 break;
134 
135         return aSearch;
136     }
137 
138     //------------------------------------------------------------------
findOriginal(const String & _rName) const139     Indexes::const_iterator OIndexCollection::findOriginal(const String& _rName) const
140     {
141         ::rtl::OUString sNameCompare(_rName);
142 
143         // loop'n'compare
144         Indexes::const_iterator aSearch = m_aIndexes.begin();
145         Indexes::const_iterator aEnd = m_aIndexes.end();
146         for (; aSearch != aEnd; ++aSearch)
147             if (aSearch->getOriginalName() == sNameCompare)
148                 break;
149 
150         return aSearch;
151     }
152 
153     //------------------------------------------------------------------
findOriginal(const String & _rName)154     Indexes::iterator OIndexCollection::findOriginal(const String& _rName)
155     {
156         ::rtl::OUString sNameCompare(_rName);
157 
158         // loop'n'compare
159         Indexes::iterator aSearch = m_aIndexes.begin();
160         Indexes::iterator aEnd = m_aIndexes.end();
161         for (; aSearch != aEnd; ++aSearch)
162             if (aSearch->getOriginalName() == sNameCompare)
163                 break;
164 
165         return aSearch;
166     }
167 
168     //------------------------------------------------------------------
commitNewIndex(const Indexes::iterator & _rPos)169     void OIndexCollection::commitNewIndex(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
170     {
171         OSL_ENSURE(_rPos->isNew(), "OIndexCollection::commitNewIndex: index must be new!");
172 
173         try
174         {
175             Reference< XDataDescriptorFactory > xIndexFactory(m_xIndexes, UNO_QUERY);
176             Reference< XAppend > xAppendIndex(xIndexFactory, UNO_QUERY);
177             if (!xAppendIndex.is())
178             {
179                 OSL_ENSURE(sal_False, "OIndexCollection::commitNewIndex: missing an interface of the index container!");
180                 return;
181             }
182 
183             Reference< XPropertySet > xIndexDescriptor = xIndexFactory->createDataDescriptor();
184             Reference< XColumnsSupplier > xColsSupp(xIndexDescriptor, UNO_QUERY);
185             Reference< XNameAccess > xCols;
186             if (xColsSupp.is())
187                 xCols = xColsSupp->getColumns();
188 
189             Reference< XDataDescriptorFactory > xColumnFactory(xCols, UNO_QUERY);
190             Reference< XAppend > xAppendCols(xColumnFactory, UNO_QUERY);
191             if (!xAppendCols.is())
192             {
193                 OSL_ENSURE(sal_False, "OIndexCollection::commitNewIndex: invalid index descriptor returned!");
194                 return;
195             }
196 
197             // set the properties
198             static const ::rtl::OUString s_sUniquePropertyName = ::rtl::OUString::createFromAscii("IsUnique");
199             static const ::rtl::OUString s_sSortPropertyName = ::rtl::OUString::createFromAscii("IsAscending");
200             static const ::rtl::OUString s_sNamePropertyName = ::rtl::OUString::createFromAscii("Name");
201             // the index' own props
202             xIndexDescriptor->setPropertyValue(s_sUniquePropertyName, ::cppu::bool2any(_rPos->bUnique));
203             xIndexDescriptor->setPropertyValue(s_sNamePropertyName, makeAny(_rPos->sName));
204 
205             // the fields
206             for (   ConstIndexFieldsIterator aFieldLoop = _rPos->aFields.begin();
207                     aFieldLoop != _rPos->aFields.end();
208                     ++aFieldLoop
209                 )
210             {
211                 OSL_ENSURE(!xCols->hasByName(aFieldLoop->sFieldName), "OIndexCollection::commitNewIndex: double column name (need to prevent this outside)!");
212 
213                 Reference< XPropertySet > xColDescriptor = xColumnFactory->createDataDescriptor();
214                 OSL_ENSURE(xColDescriptor.is(), "OIndexCollection::commitNewIndex: invalid column descriptor!");
215                 if (xColDescriptor.is())
216                 {
217                     xColDescriptor->setPropertyValue(s_sSortPropertyName, ::cppu::bool2any(aFieldLoop->bSortAscending));
218                     xColDescriptor->setPropertyValue(s_sNamePropertyName, makeAny(::rtl::OUString(aFieldLoop->sFieldName)));
219                     xAppendCols->appendByDescriptor(xColDescriptor);
220                 }
221             }
222 
223             xAppendIndex->appendByDescriptor(xIndexDescriptor);
224 
225             _rPos->flagAsCommitted(GrantIndexAccess());
226             _rPos->clearModified();
227         }
228         catch(SQLException&)
229         {   // allowed to pass
230             throw;
231         }
232         catch( const Exception& )
233         {
234             DBG_UNHANDLED_EXCEPTION();
235         }
236     }
237 
238     //------------------------------------------------------------------
dropNoRemove(const Indexes::iterator & _rPos)239     sal_Bool OIndexCollection::dropNoRemove(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
240     {
241         try
242         {
243             OSL_ENSURE(m_xIndexes->hasByName(_rPos->getOriginalName()), "OIndexCollection::drop: invalid name!");
244 
245             Reference< XDrop > xDropIndex(m_xIndexes, UNO_QUERY);
246             if (!xDropIndex.is())
247             {
248                 OSL_ENSURE(sal_False, "OIndexCollection::drop: no XDrop interface!");
249                 return sal_False;
250             }
251 
252             xDropIndex->dropByName(_rPos->getOriginalName());
253         }
254         catch(SQLException&)
255         {   // allowed to pass
256             throw;
257         }
258         catch( const Exception& )
259         {
260             DBG_UNHANDLED_EXCEPTION();
261             return sal_False;
262         }
263 
264         // adjust the OIndex structure
265         Indexes::iterator aDropped = findOriginal(_rPos->getOriginalName());
266         OSL_ENSURE(aDropped != m_aIndexes.end(), "OIndexCollection::drop: invalid original name, but successfull commit?!");
267         aDropped->flagAsNew(GrantIndexAccess());
268 
269         return sal_True;
270     }
271 
272     //------------------------------------------------------------------
drop(const Indexes::iterator & _rPos)273     sal_Bool OIndexCollection::drop(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
274     {
275         OSL_ENSURE((_rPos >= m_aIndexes.begin()) && (_rPos < m_aIndexes.end()),
276             "OIndexCollection::drop: invalid position (fasten your seatbelt .... this will crash)!");
277 
278         if (!_rPos->isNew())
279             if (!dropNoRemove(_rPos))
280                 return sal_False;
281 
282         // adjust the index array
283         m_aIndexes.erase(_rPos);
284         return sal_True;
285     }
286 
287     //------------------------------------------------------------------
implFillIndexInfo(OIndex & _rIndex)288     void OIndexCollection::implFillIndexInfo(OIndex& _rIndex) SAL_THROW((Exception))
289     {
290         // get the UNO descriptor for the index
291         Reference< XPropertySet > xIndex;
292         m_xIndexes->getByName(_rIndex.getOriginalName()) >>= xIndex;
293         if (!xIndex.is())
294         {
295             OSL_ENSURE(sal_False, "OIndexCollection::implFillIndexInfo: got an invalid index object!");
296         }
297         else
298             implFillIndexInfo(_rIndex, xIndex);
299     }
300 
301     //------------------------------------------------------------------
implFillIndexInfo(OIndex & _rIndex,Reference<XPropertySet> _rxDescriptor)302     void OIndexCollection::implFillIndexInfo(OIndex& _rIndex, Reference< XPropertySet > _rxDescriptor) SAL_THROW((Exception))
303     {
304         static const ::rtl::OUString s_sPrimaryIndexPropertyName = ::rtl::OUString::createFromAscii("IsPrimaryKeyIndex");
305         static const ::rtl::OUString s_sUniquePropertyName = ::rtl::OUString::createFromAscii("IsUnique");
306         static const ::rtl::OUString s_sSortPropertyName = ::rtl::OUString::createFromAscii("IsAscending");
307         static const ::rtl::OUString s_sCatalogPropertyName = ::rtl::OUString::createFromAscii("Catalog");
308 
309         _rIndex.bPrimaryKey = ::cppu::any2bool(_rxDescriptor->getPropertyValue(s_sPrimaryIndexPropertyName));
310         _rIndex.bUnique = ::cppu::any2bool(_rxDescriptor->getPropertyValue(s_sUniquePropertyName));
311         _rxDescriptor->getPropertyValue(s_sCatalogPropertyName) >>= _rIndex.sDescription;
312 
313         // the columns
314         Reference< XColumnsSupplier > xSuppCols(_rxDescriptor, UNO_QUERY);
315         Reference< XNameAccess > xCols;
316         if (xSuppCols.is())
317             xCols = xSuppCols->getColumns();
318         OSL_ENSURE(xCols.is(), "OIndexCollection::implFillIndexInfo: the index does not have columns!");
319         if (xCols.is())
320         {
321             Sequence< ::rtl::OUString > aFieldNames = xCols->getElementNames();
322             _rIndex.aFields.resize(aFieldNames.getLength());
323 
324             const ::rtl::OUString* pFieldNames = aFieldNames.getConstArray();
325             const ::rtl::OUString* pFieldNamesEnd = pFieldNames + aFieldNames.getLength();
326             IndexFields::iterator aCopyTo = _rIndex.aFields.begin();
327 
328             Reference< XPropertySet > xIndexColumn;
329             for (;pFieldNames < pFieldNamesEnd; ++pFieldNames, ++aCopyTo)
330             {
331                 // extract the column
332                 xIndexColumn.clear();
333                 xCols->getByName(*pFieldNames) >>= xIndexColumn;
334                 if (!xIndexColumn.is())
335                 {
336                     OSL_ENSURE(sal_False, "OIndexCollection::implFillIndexInfo: invalid index column!");
337                     --aCopyTo;
338                     continue;
339                 }
340 
341                 // get the relevant properties
342                 aCopyTo->sFieldName = *pFieldNames;
343                 aCopyTo->bSortAscending = ::cppu::any2bool(xIndexColumn->getPropertyValue(s_sSortPropertyName));
344             }
345 
346             _rIndex.aFields.resize(aCopyTo - _rIndex.aFields.begin());
347                 // (just in case some fields were invalid ...)
348         }
349     }
350 
351     //------------------------------------------------------------------
resetIndex(const Indexes::iterator & _rPos)352     void OIndexCollection::resetIndex(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
353     {
354         OSL_ENSURE(_rPos >= m_aIndexes.begin() && _rPos < m_aIndexes.end(),
355             "OIndexCollection::resetIndex: invalid position!");
356 
357         try
358         {
359             _rPos->sName = _rPos->getOriginalName();
360             implFillIndexInfo(*_rPos);
361 
362             _rPos->clearModified();
363             _rPos->flagAsCommitted(GrantIndexAccess());
364         }
365         catch(SQLException&)
366         {   // allowed to pass
367             throw;
368         }
369         catch( const Exception& )
370         {
371             DBG_UNHANDLED_EXCEPTION();
372         }
373     }
374 
375     //------------------------------------------------------------------
insert(const String & _rName)376     Indexes::iterator OIndexCollection::insert(const String& _rName)
377     {
378         OSL_ENSURE(end() == find(_rName), "OIndexCollection::insert: invalid new name!");
379         String tmpName;
380         OIndex aNewIndex(tmpName);  // the empty string indicates the index is a new one
381         aNewIndex.sName = _rName;
382         m_aIndexes.push_back(aNewIndex);
383         return m_aIndexes.end() - 1;    // the last element is the new one ...
384     }
385 
386     //------------------------------------------------------------------
implConstructFrom(const Reference<XNameAccess> & _rxIndexes)387     void OIndexCollection::implConstructFrom(const Reference< XNameAccess >& _rxIndexes)
388     {
389         detach();
390 
391         m_xIndexes = _rxIndexes;
392         if (m_xIndexes.is())
393         {
394             // loop through all the indexes
395             Sequence< ::rtl::OUString > aNames = m_xIndexes->getElementNames();
396             const ::rtl::OUString* pNames = aNames.getConstArray();
397             const ::rtl::OUString* pEnd = pNames + aNames.getLength();
398             for (; pNames < pEnd; ++pNames)
399             {
400                 // extract the index object
401                 Reference< XPropertySet > xIndex;
402                 m_xIndexes->getByName(*pNames) >>= xIndex;
403                 if (!xIndex.is())
404                 {
405                     OSL_ENSURE(sal_False, "OIndexCollection::implConstructFrom: got an invalid index object ... ignoring!");
406                     continue;
407                 }
408 
409                 // fill the OIndex structure
410                 OIndex aCurrentIndex(*pNames);
411                 implFillIndexInfo(aCurrentIndex);
412                 m_aIndexes.push_back(aCurrentIndex);
413             }
414         }
415     }
416 
417 //......................................................................
418 }   // namespace dbaui
419 //......................................................................
420 
421