xref: /trunk/main/dbaccess/source/ui/misc/indexcollection.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_dbaccess.hxx"
30 
31 #ifndef _DBAUI_INDEXCOLLECTION_HXX_
32 #include "indexcollection.hxx"
33 #endif
34 #ifndef TOOLS_DIAGNOSE_EX_H
35 #include <tools/diagnose_ex.h>
36 #endif
37 #ifndef _COM_SUN_STAR_SDBCX_XAPPEND_HPP_
38 #include <com/sun/star/sdbcx/XAppend.hpp>
39 #endif
40 #ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
41 #include <com/sun/star/beans/XPropertySet.hpp>
42 #endif
43 #ifndef _COM_SUN_STAR_SDBCX_XCOLUMNSSUPPLIER_HPP_
44 #include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
45 #endif
46 #ifndef _COM_SUN_STAR_SDBCX_XDATADESCRIPTORFACTORY_HPP_
47 #include <com/sun/star/sdbcx/XDataDescriptorFactory.hpp>
48 #endif
49 #ifndef _COMPHELPER_EXTRACT_HXX_
50 #include <comphelper/extract.hxx>
51 #endif
52 #ifndef _COM_SUN_STAR_SDBCX_XDROP_HPP_
53 #include <com/sun/star/sdbcx/XDrop.hpp>
54 #endif
55 #ifndef _COM_SUN_STAR_CONTAINER_XNAMECONTAINER_HPP_
56 #include <com/sun/star/container/XNameContainer.hpp>
57 #endif
58 
59 //......................................................................
60 namespace dbaui
61 {
62 //......................................................................
63 
64     using namespace ::com::sun::star::uno;
65     using namespace ::com::sun::star::container;
66     using namespace ::com::sun::star::beans;
67     using namespace ::com::sun::star::sdbcx;
68     using namespace ::com::sun::star::sdbc;
69 
70     //==================================================================
71     //= OIndexCollection
72     //==================================================================
73     //------------------------------------------------------------------
74     OIndexCollection::OIndexCollection()
75     {
76     }
77 
78     //------------------------------------------------------------------
79     OIndexCollection::OIndexCollection(const OIndexCollection& _rSource)
80     {
81         *this = _rSource;
82     }
83 
84     //------------------------------------------------------------------
85 //  OIndexCollection::OIndexCollection(const Reference< XNameAccess >& _rxIndexes)
86 //  {
87 //      implConstructFrom(_rxIndexes);
88 //  }
89 
90     //------------------------------------------------------------------
91     const OIndexCollection& OIndexCollection::operator=(const OIndexCollection& _rSource)
92     {
93         detach();
94         m_xIndexes = _rSource.m_xIndexes;
95         m_aIndexes = _rSource.m_aIndexes;
96         return *this;
97     }
98 
99     //------------------------------------------------------------------
100     void OIndexCollection::attach(const Reference< XNameAccess >& _rxIndexes)
101     {
102         implConstructFrom(_rxIndexes);
103     }
104 
105     //------------------------------------------------------------------
106     void OIndexCollection::detach()
107     {
108         m_xIndexes.clear();
109         m_aIndexes.clear();
110     }
111 
112     //------------------------------------------------------------------
113     Indexes::const_iterator OIndexCollection::find(const String& _rName) const
114     {
115         ::rtl::OUString sNameCompare(_rName);
116 
117         // loop'n'compare
118         Indexes::const_iterator aSearch = m_aIndexes.begin();
119         Indexes::const_iterator aEnd = m_aIndexes.end();
120         for (; aSearch != aEnd; ++aSearch)
121             if (aSearch->sName == sNameCompare)
122                 break;
123 
124         return aSearch;
125     }
126 
127     //------------------------------------------------------------------
128     Indexes::iterator OIndexCollection::find(const String& _rName)
129     {
130         ::rtl::OUString sNameCompare(_rName);
131 
132         // loop'n'compare
133         Indexes::iterator aSearch = m_aIndexes.begin();
134         Indexes::iterator aEnd = m_aIndexes.end();
135         for (; aSearch != aEnd; ++aSearch)
136             if (aSearch->sName == sNameCompare)
137                 break;
138 
139         return aSearch;
140     }
141 
142     //------------------------------------------------------------------
143     Indexes::const_iterator OIndexCollection::findOriginal(const String& _rName) const
144     {
145         ::rtl::OUString sNameCompare(_rName);
146 
147         // loop'n'compare
148         Indexes::const_iterator aSearch = m_aIndexes.begin();
149         Indexes::const_iterator aEnd = m_aIndexes.end();
150         for (; aSearch != aEnd; ++aSearch)
151             if (aSearch->getOriginalName() == sNameCompare)
152                 break;
153 
154         return aSearch;
155     }
156 
157     //------------------------------------------------------------------
158     Indexes::iterator OIndexCollection::findOriginal(const String& _rName)
159     {
160         ::rtl::OUString sNameCompare(_rName);
161 
162         // loop'n'compare
163         Indexes::iterator aSearch = m_aIndexes.begin();
164         Indexes::iterator aEnd = m_aIndexes.end();
165         for (; aSearch != aEnd; ++aSearch)
166             if (aSearch->getOriginalName() == sNameCompare)
167                 break;
168 
169         return aSearch;
170     }
171 
172     //------------------------------------------------------------------
173     void OIndexCollection::commitNewIndex(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
174     {
175         OSL_ENSURE(_rPos->isNew(), "OIndexCollection::commitNewIndex: index must be new!");
176 
177         try
178         {
179             Reference< XDataDescriptorFactory > xIndexFactory(m_xIndexes, UNO_QUERY);
180             Reference< XAppend > xAppendIndex(xIndexFactory, UNO_QUERY);
181             if (!xAppendIndex.is())
182             {
183                 OSL_ENSURE(sal_False, "OIndexCollection::commitNewIndex: missing an interface of the index container!");
184                 return;
185             }
186 
187             Reference< XPropertySet > xIndexDescriptor = xIndexFactory->createDataDescriptor();
188             Reference< XColumnsSupplier > xColsSupp(xIndexDescriptor, UNO_QUERY);
189             Reference< XNameAccess > xCols;
190             if (xColsSupp.is())
191                 xCols = xColsSupp->getColumns();
192 
193             Reference< XDataDescriptorFactory > xColumnFactory(xCols, UNO_QUERY);
194             Reference< XAppend > xAppendCols(xColumnFactory, UNO_QUERY);
195             if (!xAppendCols.is())
196             {
197                 OSL_ENSURE(sal_False, "OIndexCollection::commitNewIndex: invalid index descriptor returned!");
198                 return;
199             }
200 
201             // set the properties
202             static const ::rtl::OUString s_sUniquePropertyName = ::rtl::OUString::createFromAscii("IsUnique");
203             static const ::rtl::OUString s_sSortPropertyName = ::rtl::OUString::createFromAscii("IsAscending");
204             static const ::rtl::OUString s_sNamePropertyName = ::rtl::OUString::createFromAscii("Name");
205             // the index' own props
206             xIndexDescriptor->setPropertyValue(s_sUniquePropertyName, ::cppu::bool2any(_rPos->bUnique));
207             xIndexDescriptor->setPropertyValue(s_sNamePropertyName, makeAny(_rPos->sName));
208 
209             // the fields
210             for (   ConstIndexFieldsIterator aFieldLoop = _rPos->aFields.begin();
211                     aFieldLoop != _rPos->aFields.end();
212                     ++aFieldLoop
213                 )
214             {
215                 OSL_ENSURE(!xCols->hasByName(aFieldLoop->sFieldName), "OIndexCollection::commitNewIndex: double column name (need to prevent this outside)!");
216 
217                 Reference< XPropertySet > xColDescriptor = xColumnFactory->createDataDescriptor();
218                 OSL_ENSURE(xColDescriptor.is(), "OIndexCollection::commitNewIndex: invalid column descriptor!");
219                 if (xColDescriptor.is())
220                 {
221                     xColDescriptor->setPropertyValue(s_sSortPropertyName, ::cppu::bool2any(aFieldLoop->bSortAscending));
222                     xColDescriptor->setPropertyValue(s_sNamePropertyName, makeAny(::rtl::OUString(aFieldLoop->sFieldName)));
223                     xAppendCols->appendByDescriptor(xColDescriptor);
224                 }
225             }
226 
227             xAppendIndex->appendByDescriptor(xIndexDescriptor);
228 
229             _rPos->flagAsCommitted(GrantIndexAccess());
230             _rPos->clearModified();
231         }
232         catch(SQLException&)
233         {   // allowed to pass
234             throw;
235         }
236         catch( const Exception& )
237         {
238             DBG_UNHANDLED_EXCEPTION();
239         }
240     }
241 
242     //------------------------------------------------------------------
243     sal_Bool OIndexCollection::dropNoRemove(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
244     {
245         try
246         {
247             OSL_ENSURE(m_xIndexes->hasByName(_rPos->getOriginalName()), "OIndexCollection::drop: invalid name!");
248 
249             Reference< XDrop > xDropIndex(m_xIndexes, UNO_QUERY);
250             if (!xDropIndex.is())
251             {
252                 OSL_ENSURE(sal_False, "OIndexCollection::drop: no XDrop interface!");
253                 return sal_False;
254             }
255 
256             xDropIndex->dropByName(_rPos->getOriginalName());
257         }
258         catch(SQLException&)
259         {   // allowed to pass
260             throw;
261         }
262         catch( const Exception& )
263         {
264             DBG_UNHANDLED_EXCEPTION();
265             return sal_False;
266         }
267 
268         // adjust the OIndex structure
269         Indexes::iterator aDropped = findOriginal(_rPos->getOriginalName());
270         OSL_ENSURE(aDropped != m_aIndexes.end(), "OIndexCollection::drop: invalid original name, but successfull commit?!");
271         aDropped->flagAsNew(GrantIndexAccess());
272 
273         return sal_True;
274     }
275 
276     //------------------------------------------------------------------
277     sal_Bool OIndexCollection::drop(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
278     {
279         OSL_ENSURE((_rPos >= m_aIndexes.begin()) && (_rPos < m_aIndexes.end()),
280             "OIndexCollection::drop: invalid position (fasten your seatbelt .... this will crash)!");
281 
282         if (!_rPos->isNew())
283             if (!dropNoRemove(_rPos))
284                 return sal_False;
285 
286         // adjust the index array
287         m_aIndexes.erase(_rPos);
288         return sal_True;
289     }
290 
291     //------------------------------------------------------------------
292     void OIndexCollection::implFillIndexInfo(OIndex& _rIndex) SAL_THROW((Exception))
293     {
294         // get the UNO descriptor for the index
295         Reference< XPropertySet > xIndex;
296         m_xIndexes->getByName(_rIndex.getOriginalName()) >>= xIndex;
297         if (!xIndex.is())
298         {
299             OSL_ENSURE(sal_False, "OIndexCollection::implFillIndexInfo: got an invalid index object!");
300         }
301         else
302             implFillIndexInfo(_rIndex, xIndex);
303     }
304 
305     //------------------------------------------------------------------
306     void OIndexCollection::implFillIndexInfo(OIndex& _rIndex, Reference< XPropertySet > _rxDescriptor) SAL_THROW((Exception))
307     {
308         static const ::rtl::OUString s_sPrimaryIndexPropertyName = ::rtl::OUString::createFromAscii("IsPrimaryKeyIndex");
309         static const ::rtl::OUString s_sUniquePropertyName = ::rtl::OUString::createFromAscii("IsUnique");
310         static const ::rtl::OUString s_sSortPropertyName = ::rtl::OUString::createFromAscii("IsAscending");
311         static const ::rtl::OUString s_sCatalogPropertyName = ::rtl::OUString::createFromAscii("Catalog");
312 
313         _rIndex.bPrimaryKey = ::cppu::any2bool(_rxDescriptor->getPropertyValue(s_sPrimaryIndexPropertyName));
314         _rIndex.bUnique = ::cppu::any2bool(_rxDescriptor->getPropertyValue(s_sUniquePropertyName));
315         _rxDescriptor->getPropertyValue(s_sCatalogPropertyName) >>= _rIndex.sDescription;
316 
317         // the columns
318         Reference< XColumnsSupplier > xSuppCols(_rxDescriptor, UNO_QUERY);
319         Reference< XNameAccess > xCols;
320         if (xSuppCols.is())
321             xCols = xSuppCols->getColumns();
322         OSL_ENSURE(xCols.is(), "OIndexCollection::implFillIndexInfo: the index does not have columns!");
323         if (xCols.is())
324         {
325             Sequence< ::rtl::OUString > aFieldNames = xCols->getElementNames();
326             _rIndex.aFields.resize(aFieldNames.getLength());
327 
328             const ::rtl::OUString* pFieldNames = aFieldNames.getConstArray();
329             const ::rtl::OUString* pFieldNamesEnd = pFieldNames + aFieldNames.getLength();
330             IndexFields::iterator aCopyTo = _rIndex.aFields.begin();
331 
332             Reference< XPropertySet > xIndexColumn;
333             for (;pFieldNames < pFieldNamesEnd; ++pFieldNames, ++aCopyTo)
334             {
335                 // extract the column
336                 xIndexColumn.clear();
337                 xCols->getByName(*pFieldNames) >>= xIndexColumn;
338                 if (!xIndexColumn.is())
339                 {
340                     OSL_ENSURE(sal_False, "OIndexCollection::implFillIndexInfo: invalid index column!");
341                     --aCopyTo;
342                     continue;
343                 }
344 
345                 // get the relevant properties
346                 aCopyTo->sFieldName = *pFieldNames;
347                 aCopyTo->bSortAscending = ::cppu::any2bool(xIndexColumn->getPropertyValue(s_sSortPropertyName));
348             }
349 
350             _rIndex.aFields.resize(aCopyTo - _rIndex.aFields.begin());
351                 // (just in case some fields were invalid ...)
352         }
353     }
354 
355     //------------------------------------------------------------------
356     void OIndexCollection::resetIndex(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
357     {
358         OSL_ENSURE(_rPos >= m_aIndexes.begin() && _rPos < m_aIndexes.end(),
359             "OIndexCollection::resetIndex: invalid position!");
360 
361         try
362         {
363             _rPos->sName = _rPos->getOriginalName();
364             implFillIndexInfo(*_rPos);
365 
366             _rPos->clearModified();
367             _rPos->flagAsCommitted(GrantIndexAccess());
368         }
369         catch(SQLException&)
370         {   // allowed to pass
371             throw;
372         }
373         catch( const Exception& )
374         {
375             DBG_UNHANDLED_EXCEPTION();
376         }
377     }
378 
379     //------------------------------------------------------------------
380     Indexes::iterator OIndexCollection::insert(const String& _rName)
381     {
382         OSL_ENSURE(end() == find(_rName), "OIndexCollection::insert: invalid new name!");
383         String tmpName;
384         OIndex aNewIndex(tmpName);  // the empty string indicates the index is a new one
385         aNewIndex.sName = _rName;
386         m_aIndexes.push_back(aNewIndex);
387         return m_aIndexes.end() - 1;    // the last element is the new one ...
388     }
389 
390     //------------------------------------------------------------------
391     void OIndexCollection::implConstructFrom(const Reference< XNameAccess >& _rxIndexes)
392     {
393         detach();
394 
395         m_xIndexes = _rxIndexes;
396         if (m_xIndexes.is())
397         {
398             // loop through all the indexes
399             Sequence< ::rtl::OUString > aNames = m_xIndexes->getElementNames();
400             const ::rtl::OUString* pNames = aNames.getConstArray();
401             const ::rtl::OUString* pEnd = pNames + aNames.getLength();
402             for (; pNames < pEnd; ++pNames)
403             {
404                 // extract the index object
405                 Reference< XPropertySet > xIndex;
406                 m_xIndexes->getByName(*pNames) >>= xIndex;
407                 if (!xIndex.is())
408                 {
409                     OSL_ENSURE(sal_False, "OIndexCollection::implConstructFrom: got an invalid index object ... ignoring!");
410                     continue;
411                 }
412 
413                 // fill the OIndex structure
414                 OIndex aCurrentIndex(*pNames);
415                 implFillIndexInfo(aCurrentIndex);
416                 m_aIndexes.push_back(aCurrentIndex);
417             }
418         }
419     }
420 
421 //......................................................................
422 }   // namespace dbaui
423 //......................................................................
424 
425