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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 :
20 :
21 : #include "indexcollection.hxx"
22 : #include <tools/diagnose_ex.h>
23 : #include <com/sun/star/sdbcx/XAppend.hpp>
24 : #include <com/sun/star/beans/XPropertySet.hpp>
25 : #include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
26 : #include <com/sun/star/sdbcx/XDataDescriptorFactory.hpp>
27 : #include <comphelper/extract.hxx>
28 : #include <com/sun/star/sdbcx/XDrop.hpp>
29 : #include <com/sun/star/container/XNameContainer.hpp>
30 :
31 : //......................................................................
32 : namespace dbaui
33 : {
34 : //......................................................................
35 :
36 : using namespace ::com::sun::star::uno;
37 : using namespace ::com::sun::star::container;
38 : using namespace ::com::sun::star::beans;
39 : using namespace ::com::sun::star::sdbcx;
40 : using namespace ::com::sun::star::sdbc;
41 :
42 : //==================================================================
43 : //= OIndexCollection
44 : //==================================================================
45 : //------------------------------------------------------------------
46 0 : OIndexCollection::OIndexCollection()
47 : {
48 0 : }
49 :
50 : //------------------------------------------------------------------
51 0 : OIndexCollection::OIndexCollection(const OIndexCollection& _rSource)
52 : {
53 0 : *this = _rSource;
54 0 : }
55 :
56 : //------------------------------------------------------------------
57 0 : const OIndexCollection& OIndexCollection::operator=(const OIndexCollection& _rSource)
58 : {
59 0 : detach();
60 0 : m_xIndexes = _rSource.m_xIndexes;
61 0 : m_aIndexes = _rSource.m_aIndexes;
62 0 : return *this;
63 : }
64 :
65 : //------------------------------------------------------------------
66 0 : void OIndexCollection::attach(const Reference< XNameAccess >& _rxIndexes)
67 : {
68 0 : implConstructFrom(_rxIndexes);
69 0 : }
70 :
71 : //------------------------------------------------------------------
72 0 : void OIndexCollection::detach()
73 : {
74 0 : m_xIndexes.clear();
75 0 : m_aIndexes.clear();
76 0 : }
77 :
78 : //------------------------------------------------------------------
79 0 : Indexes::const_iterator OIndexCollection::find(const String& _rName) const
80 : {
81 0 : ::rtl::OUString sNameCompare(_rName);
82 :
83 : // loop'n'compare
84 0 : Indexes::const_iterator aSearch = m_aIndexes.begin();
85 0 : Indexes::const_iterator aEnd = m_aIndexes.end();
86 0 : for (; aSearch != aEnd; ++aSearch)
87 0 : if (aSearch->sName == sNameCompare)
88 0 : break;
89 :
90 0 : return aSearch;
91 : }
92 :
93 : //------------------------------------------------------------------
94 0 : Indexes::iterator OIndexCollection::find(const String& _rName)
95 : {
96 0 : ::rtl::OUString sNameCompare(_rName);
97 :
98 : // loop'n'compare
99 0 : Indexes::iterator aSearch = m_aIndexes.begin();
100 0 : Indexes::iterator aEnd = m_aIndexes.end();
101 0 : for (; aSearch != aEnd; ++aSearch)
102 0 : if (aSearch->sName == sNameCompare)
103 0 : break;
104 :
105 0 : return aSearch;
106 : }
107 :
108 : //------------------------------------------------------------------
109 0 : Indexes::const_iterator OIndexCollection::findOriginal(const String& _rName) const
110 : {
111 0 : ::rtl::OUString sNameCompare(_rName);
112 :
113 : // loop'n'compare
114 0 : Indexes::const_iterator aSearch = m_aIndexes.begin();
115 0 : Indexes::const_iterator aEnd = m_aIndexes.end();
116 0 : for (; aSearch != aEnd; ++aSearch)
117 0 : if (aSearch->getOriginalName() == sNameCompare)
118 0 : break;
119 :
120 0 : return aSearch;
121 : }
122 :
123 : //------------------------------------------------------------------
124 0 : Indexes::iterator OIndexCollection::findOriginal(const String& _rName)
125 : {
126 0 : ::rtl::OUString sNameCompare(_rName);
127 :
128 : // loop'n'compare
129 0 : Indexes::iterator aSearch = m_aIndexes.begin();
130 0 : Indexes::iterator aEnd = m_aIndexes.end();
131 0 : for (; aSearch != aEnd; ++aSearch)
132 0 : if (aSearch->getOriginalName() == sNameCompare)
133 0 : break;
134 :
135 0 : return aSearch;
136 : }
137 :
138 : //------------------------------------------------------------------
139 0 : void OIndexCollection::commitNewIndex(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
140 : {
141 : OSL_ENSURE(_rPos->isNew(), "OIndexCollection::commitNewIndex: index must be new!");
142 :
143 : try
144 : {
145 0 : Reference< XDataDescriptorFactory > xIndexFactory(m_xIndexes, UNO_QUERY);
146 0 : Reference< XAppend > xAppendIndex(xIndexFactory, UNO_QUERY);
147 0 : if (!xAppendIndex.is())
148 : {
149 : OSL_FAIL("OIndexCollection::commitNewIndex: missing an interface of the index container!");
150 : return;
151 : }
152 :
153 0 : Reference< XPropertySet > xIndexDescriptor = xIndexFactory->createDataDescriptor();
154 0 : Reference< XColumnsSupplier > xColsSupp(xIndexDescriptor, UNO_QUERY);
155 0 : Reference< XNameAccess > xCols;
156 0 : if (xColsSupp.is())
157 0 : xCols = xColsSupp->getColumns();
158 :
159 0 : Reference< XDataDescriptorFactory > xColumnFactory(xCols, UNO_QUERY);
160 0 : Reference< XAppend > xAppendCols(xColumnFactory, UNO_QUERY);
161 0 : if (!xAppendCols.is())
162 : {
163 : OSL_FAIL("OIndexCollection::commitNewIndex: invalid index descriptor returned!");
164 : return;
165 : }
166 :
167 : // set the properties
168 0 : static const ::rtl::OUString s_sUniquePropertyName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IsUnique"));
169 0 : static const ::rtl::OUString s_sSortPropertyName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IsAscending"));
170 0 : static const ::rtl::OUString s_sNamePropertyName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Name"));
171 : // the index' own props
172 0 : xIndexDescriptor->setPropertyValue(s_sUniquePropertyName, ::cppu::bool2any(_rPos->bUnique));
173 0 : xIndexDescriptor->setPropertyValue(s_sNamePropertyName, makeAny(_rPos->sName));
174 :
175 : // the fields
176 0 : for ( ConstIndexFieldsIterator aFieldLoop = _rPos->aFields.begin();
177 0 : aFieldLoop != _rPos->aFields.end();
178 : ++aFieldLoop
179 : )
180 : {
181 : OSL_ENSURE(!xCols->hasByName(aFieldLoop->sFieldName), "OIndexCollection::commitNewIndex: double column name (need to prevent this outside)!");
182 :
183 0 : Reference< XPropertySet > xColDescriptor = xColumnFactory->createDataDescriptor();
184 : OSL_ENSURE(xColDescriptor.is(), "OIndexCollection::commitNewIndex: invalid column descriptor!");
185 0 : if (xColDescriptor.is())
186 : {
187 0 : xColDescriptor->setPropertyValue(s_sSortPropertyName, ::cppu::bool2any(aFieldLoop->bSortAscending));
188 0 : xColDescriptor->setPropertyValue(s_sNamePropertyName, makeAny(::rtl::OUString(aFieldLoop->sFieldName)));
189 0 : xAppendCols->appendByDescriptor(xColDescriptor);
190 : }
191 0 : }
192 :
193 0 : xAppendIndex->appendByDescriptor(xIndexDescriptor);
194 :
195 0 : _rPos->flagAsCommitted(GrantIndexAccess());
196 0 : _rPos->clearModified();
197 : }
198 0 : catch(SQLException&)
199 : { // allowed to pass
200 0 : throw;
201 : }
202 0 : catch( const Exception& )
203 : {
204 : DBG_UNHANDLED_EXCEPTION();
205 : }
206 : }
207 :
208 : //------------------------------------------------------------------
209 0 : sal_Bool OIndexCollection::dropNoRemove(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
210 : {
211 : try
212 : {
213 : OSL_ENSURE(m_xIndexes->hasByName(_rPos->getOriginalName()), "OIndexCollection::drop: invalid name!");
214 :
215 0 : Reference< XDrop > xDropIndex(m_xIndexes, UNO_QUERY);
216 0 : if (!xDropIndex.is())
217 : {
218 : OSL_FAIL("OIndexCollection::drop: no XDrop interface!");
219 0 : return sal_False;
220 : }
221 :
222 0 : xDropIndex->dropByName(_rPos->getOriginalName());
223 : }
224 0 : catch(SQLException&)
225 : { // allowed to pass
226 0 : throw;
227 : }
228 0 : catch( const Exception& )
229 : {
230 : DBG_UNHANDLED_EXCEPTION();
231 0 : return sal_False;
232 : }
233 :
234 : // adjust the OIndex structure
235 0 : Indexes::iterator aDropped = findOriginal(_rPos->getOriginalName());
236 : OSL_ENSURE(aDropped != m_aIndexes.end(), "OIndexCollection::drop: invalid original name, but successfull commit?!");
237 0 : aDropped->flagAsNew(GrantIndexAccess());
238 :
239 0 : return sal_True;
240 : }
241 :
242 : //------------------------------------------------------------------
243 0 : sal_Bool OIndexCollection::drop(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
244 : {
245 : OSL_ENSURE((_rPos >= m_aIndexes.begin()) && (_rPos < m_aIndexes.end()),
246 : "OIndexCollection::drop: invalid position (fasten your seatbelt .... this will crash)!");
247 :
248 0 : if (!_rPos->isNew())
249 0 : if (!dropNoRemove(_rPos))
250 0 : return sal_False;
251 :
252 : // adjust the index array
253 0 : m_aIndexes.erase(_rPos);
254 0 : return sal_True;
255 : }
256 :
257 : //------------------------------------------------------------------
258 0 : void OIndexCollection::implFillIndexInfo(OIndex& _rIndex) SAL_THROW((Exception))
259 : {
260 : // get the UNO descriptor for the index
261 0 : Reference< XPropertySet > xIndex;
262 0 : m_xIndexes->getByName(_rIndex.getOriginalName()) >>= xIndex;
263 0 : if (!xIndex.is())
264 : {
265 : OSL_FAIL("OIndexCollection::implFillIndexInfo: got an invalid index object!");
266 : }
267 : else
268 0 : implFillIndexInfo(_rIndex, xIndex);
269 0 : }
270 :
271 : //------------------------------------------------------------------
272 0 : void OIndexCollection::implFillIndexInfo(OIndex& _rIndex, Reference< XPropertySet > _rxDescriptor) SAL_THROW((Exception))
273 : {
274 0 : static const ::rtl::OUString s_sPrimaryIndexPropertyName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IsPrimaryKeyIndex"));
275 0 : static const ::rtl::OUString s_sUniquePropertyName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IsUnique"));
276 0 : static const ::rtl::OUString s_sSortPropertyName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IsAscending"));
277 0 : static const ::rtl::OUString s_sCatalogPropertyName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Catalog"));
278 :
279 0 : _rIndex.bPrimaryKey = ::cppu::any2bool(_rxDescriptor->getPropertyValue(s_sPrimaryIndexPropertyName));
280 0 : _rIndex.bUnique = ::cppu::any2bool(_rxDescriptor->getPropertyValue(s_sUniquePropertyName));
281 0 : _rxDescriptor->getPropertyValue(s_sCatalogPropertyName) >>= _rIndex.sDescription;
282 :
283 : // the columns
284 0 : Reference< XColumnsSupplier > xSuppCols(_rxDescriptor, UNO_QUERY);
285 0 : Reference< XNameAccess > xCols;
286 0 : if (xSuppCols.is())
287 0 : xCols = xSuppCols->getColumns();
288 : OSL_ENSURE(xCols.is(), "OIndexCollection::implFillIndexInfo: the index does not have columns!");
289 0 : if (xCols.is())
290 : {
291 0 : Sequence< ::rtl::OUString > aFieldNames = xCols->getElementNames();
292 0 : _rIndex.aFields.resize(aFieldNames.getLength());
293 :
294 0 : const ::rtl::OUString* pFieldNames = aFieldNames.getConstArray();
295 0 : const ::rtl::OUString* pFieldNamesEnd = pFieldNames + aFieldNames.getLength();
296 0 : IndexFields::iterator aCopyTo = _rIndex.aFields.begin();
297 :
298 0 : Reference< XPropertySet > xIndexColumn;
299 0 : for (;pFieldNames < pFieldNamesEnd; ++pFieldNames, ++aCopyTo)
300 : {
301 : // extract the column
302 0 : xIndexColumn.clear();
303 0 : xCols->getByName(*pFieldNames) >>= xIndexColumn;
304 0 : if (!xIndexColumn.is())
305 : {
306 : OSL_FAIL("OIndexCollection::implFillIndexInfo: invalid index column!");
307 0 : --aCopyTo;
308 0 : continue;
309 : }
310 :
311 : // get the relevant properties
312 0 : aCopyTo->sFieldName = *pFieldNames;
313 0 : aCopyTo->bSortAscending = ::cppu::any2bool(xIndexColumn->getPropertyValue(s_sSortPropertyName));
314 : }
315 :
316 0 : _rIndex.aFields.resize(aCopyTo - _rIndex.aFields.begin());
317 : // (just in case some fields were invalid ...)
318 0 : }
319 0 : }
320 :
321 : //------------------------------------------------------------------
322 0 : void OIndexCollection::resetIndex(const Indexes::iterator& _rPos) SAL_THROW((SQLException))
323 : {
324 : OSL_ENSURE(_rPos >= m_aIndexes.begin() && _rPos < m_aIndexes.end(),
325 : "OIndexCollection::resetIndex: invalid position!");
326 :
327 : try
328 : {
329 0 : _rPos->sName = _rPos->getOriginalName();
330 0 : implFillIndexInfo(*_rPos);
331 :
332 0 : _rPos->clearModified();
333 0 : _rPos->flagAsCommitted(GrantIndexAccess());
334 : }
335 0 : catch(SQLException&)
336 : { // allowed to pass
337 0 : throw;
338 : }
339 0 : catch( const Exception& )
340 : {
341 : DBG_UNHANDLED_EXCEPTION();
342 : }
343 0 : }
344 :
345 : //------------------------------------------------------------------
346 0 : Indexes::iterator OIndexCollection::insert(const String& _rName)
347 : {
348 : OSL_ENSURE(end() == find(_rName), "OIndexCollection::insert: invalid new name!");
349 0 : String tmpName;
350 0 : OIndex aNewIndex(tmpName); // the empty string indicates the index is a new one
351 0 : aNewIndex.sName = _rName;
352 0 : m_aIndexes.push_back(aNewIndex);
353 0 : return m_aIndexes.end() - 1; // the last element is the new one ...
354 : }
355 :
356 : //------------------------------------------------------------------
357 0 : void OIndexCollection::implConstructFrom(const Reference< XNameAccess >& _rxIndexes)
358 : {
359 0 : detach();
360 :
361 0 : m_xIndexes = _rxIndexes;
362 0 : if (m_xIndexes.is())
363 : {
364 : // loop through all the indexes
365 0 : Sequence< ::rtl::OUString > aNames = m_xIndexes->getElementNames();
366 0 : const ::rtl::OUString* pNames = aNames.getConstArray();
367 0 : const ::rtl::OUString* pEnd = pNames + aNames.getLength();
368 0 : for (; pNames < pEnd; ++pNames)
369 : {
370 : // extract the index object
371 0 : Reference< XPropertySet > xIndex;
372 0 : m_xIndexes->getByName(*pNames) >>= xIndex;
373 0 : if (!xIndex.is())
374 : {
375 : OSL_FAIL("OIndexCollection::implConstructFrom: got an invalid index object ... ignoring!");
376 0 : continue;
377 : }
378 :
379 : // fill the OIndex structure
380 0 : OIndex aCurrentIndex(*pNames);
381 0 : implFillIndexInfo(aCurrentIndex);
382 0 : m_aIndexes.push_back(aCurrentIndex);
383 0 : }
384 : }
385 0 : }
386 :
387 : //......................................................................
388 : } // namespace dbaui
389 : //......................................................................
390 :
391 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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