summaryrefslogtreecommitdiff
path: root/ucb/source/cacher/cachedcontentresultset.hxx
blob: 143fe0287e8db89b79d090ae8fb2846baf633d5c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#ifndef INCLUDED_UCB_SOURCE_CACHER_CACHEDCONTENTRESULTSET_HXX
#define INCLUDED_UCB_SOURCE_CACHER_CACHEDCONTENTRESULTSET_HXX

#include <contentresultsetwrapper.hxx>
#include <com/sun/star/lang/XTypeProvider.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/ucb/XFetchProvider.hpp>
#include <com/sun/star/ucb/XFetchProviderForContentAccess.hpp>
#include <com/sun/star/ucb/FetchResult.hpp>
#include <com/sun/star/ucb/XContentIdentifierMapping.hpp>
#include <com/sun/star/ucb/XCachedContentResultSetFactory.hpp>

#define CACHED_CONTENT_RESULTSET_SERVICE_NAME "com.sun.star.ucb.CachedContentResultSet"
#define CACHED_CONTENT_RESULTSET_FACTORY_NAME "com.sun.star.ucb.CachedContentResultSetFactory"


namespace com { namespace sun { namespace star { namespace script {
    class XTypeConverter;
} } } }

class CCRS_PropertySetInfo;
class CachedContentResultSet
                : public ContentResultSetWrapper
                , public css::lang::XTypeProvider
                , public css::lang::XServiceInfo
{

    // class CCRS_Cache

    class CCRS_Cache
    {
    private:
        css::ucb::FetchResult*           m_pResult;
        css::uno::Reference< css::ucb::XContentIdentifierMapping >
                                         m_xContentIdentifierMapping;
        css::uno::Sequence< sal_Bool >*  m_pMappedReminder;

    private:
        css::uno::Any& SAL_CALL
        getRowAny( sal_Int32 nRow )
            throw( css::sdbc::SQLException,
            css::uno::RuntimeException );

        void SAL_CALL clear();


        void SAL_CALL remindMapped( sal_Int32 nRow );
        bool SAL_CALL isRowMapped( sal_Int32 nRow );
        void SAL_CALL clearMappedReminder();
        css::uno::Sequence< sal_Bool >* SAL_CALL getMappedReminder();

    public:
        CCRS_Cache( const css::uno::Reference<
                css::ucb::XContentIdentifierMapping > & xMapping );
        ~CCRS_Cache();

        void SAL_CALL loadData(
            const css::ucb::FetchResult& rResult );

        bool SAL_CALL
        hasRow( sal_Int32 nRow );

        bool SAL_CALL
        hasCausedException( sal_Int32 nRow );

        sal_Int32 SAL_CALL
        getMaxRow();

        bool SAL_CALL
        hasKnownLast();


        const css::uno::Any& SAL_CALL
        getAny( sal_Int32 nRow, sal_Int32 nColumnIndex )
            throw( css::sdbc::SQLException,
            css::uno::RuntimeException );

        const OUString& SAL_CALL
        getContentIdentifierString( sal_Int32 nRow )
            throw( css::uno::RuntimeException );

        const css::uno::Reference< css::ucb::XContentIdentifier >& SAL_CALL
        getContentIdentifier( sal_Int32 nRow )
            throw( css::uno::RuntimeException );

        const css::uno::Reference< css::ucb::XContent >& SAL_CALL
        getContent( sal_Int32 nRow )
            throw( css::uno::RuntimeException );
    };

    //members

    css::uno::Reference< css::uno::XComponentContext >
                            m_xContext;

    //different Interfaces from Origin:
    css::uno::Reference< css::ucb::XFetchProvider >
                            m_xFetchProvider; //XFetchProvider-interface from m_xOrigin

    css::uno::Reference< css::ucb::XFetchProviderForContentAccess >
                            m_xFetchProviderForContentAccess; //XFetchProviderForContentAccess-interface from m_xOrigin

    //my PropertySetInfo
    css::uno::Reference< css::beans::XPropertySetInfo >
                            m_xMyPropertySetInfo;//holds m_pMyPropSetInfo alive
    CCRS_PropertySetInfo*   m_pMyPropSetInfo;


    css::uno::Reference< css::ucb::XContentIdentifierMapping >
                            m_xContentIdentifierMapping;// can be used for remote optimized ContentAccess

    //some Properties and helping variables
    sal_Int32               m_nRow;
    bool                    m_bAfterLast; // TRUE, if m_nRow is after final count; can be TRUE without knowing the exact final count

    sal_Int32               m_nLastAppliedPos;
    bool                    m_bAfterLastApplied;

    sal_Int32               m_nKnownCount; // count we know from the Origin
    bool                    m_bFinalCount; // TRUE if the Origin has reached final count and we got that count in m_nKnownCount

    sal_Int32               m_nFetchSize;
    sal_Int32               m_nFetchDirection;

    bool                    m_bLastReadWasFromCache;
    bool                    m_bLastCachedReadWasNull;

    //cache:
    CCRS_Cache              m_aCache;
    CCRS_Cache              m_aCacheContentIdentifierString;
    CCRS_Cache              m_aCacheContentIdentifier;
    CCRS_Cache              m_aCacheContent;


private:

    //helping XPropertySet methods.
    virtual void SAL_CALL impl_initPropertySetInfo() override;


    bool SAL_CALL
    applyPositionToOrigin( sal_Int32 nRow )
        throw( css::sdbc::SQLException,
        css::uno::RuntimeException );

    void SAL_CALL
    impl_fetchData( sal_Int32 nRow, sal_Int32 nCount
                    , sal_Int32 nFetchDirection )
        throw( css::uno::RuntimeException );

    bool SAL_CALL
    impl_isKnownValidPosition( sal_Int32 nRow );

    bool SAL_CALL
    impl_isKnownInvalidPosition( sal_Int32 nRow );

    void SAL_CALL
    impl_changeRowCount( sal_Int32 nOld, sal_Int32 nNew );

    void SAL_CALL
    impl_changeIsRowCountFinal( bool bOld, bool bNew );

public:
    CachedContentResultSet(
                        const css::uno::Reference< css::uno::XComponentContext > &         rxContext,
                        const css::uno::Reference< css::sdbc::XResultSet > &               xOrigin,
                        const css::uno::Reference< css::ucb::XContentIdentifierMapping > & xContentIdentifierMapping );

    virtual ~CachedContentResultSet() override;


    // XInterface
    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType )
        throw( css::uno::RuntimeException, std::exception ) override;
    virtual void SAL_CALL acquire()
        throw() override;
    virtual void SAL_CALL release()
        throw() override;

    // XTypeProvider

    virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId()
        throw( css::uno::RuntimeException, std::exception ) override;
    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes()
        throw( css::uno::RuntimeException, std::exception ) override;

    // XServiceInfo
    virtual OUString SAL_CALL getImplementationName()
        throw( css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName )
        throw( css::uno::RuntimeException, std::exception ) override;
    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames()
        throw( css::uno::RuntimeException, std::exception ) override;

    static OUString getImplementationName_Static();
    static css::uno::Sequence< OUString > getSupportedServiceNames_Static();

    // XPropertySet inherited


    virtual void SAL_CALL
    setPropertyValue( const OUString& aPropertyName,
                      const css::uno::Any& aValue )
        throw( css::beans::UnknownPropertyException,
               css::beans::PropertyVetoException,
               css::lang::IllegalArgumentException,
               css::lang::WrappedTargetException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::uno::Any SAL_CALL
    getPropertyValue( const OUString& PropertyName )
        throw( css::beans::UnknownPropertyException,
        css::lang::WrappedTargetException,
        css::uno::RuntimeException, std::exception ) override;


    // own inherited

    virtual void SAL_CALL
    impl_disposing( const css::lang::EventObject& Source )
        throw( css::uno::RuntimeException ) override;

    virtual void SAL_CALL
    impl_propertyChange( const css::beans::PropertyChangeEvent& evt )
        throw( css::uno::RuntimeException ) override;

    virtual void SAL_CALL
    impl_vetoableChange( const css::beans::PropertyChangeEvent& aEvent )
        throw( css::beans::PropertyVetoException,
               css::uno::RuntimeException ) override;


    // XContentAccess inherited

    virtual OUString SAL_CALL
    queryContentIdentifierString()
        throw( css::uno::RuntimeException, std::exception ) override;

    virtual css::uno::Reference<
                css::ucb::XContentIdentifier > SAL_CALL
    queryContentIdentifier()
        throw( css::uno::RuntimeException, std::exception ) override;

    virtual css::uno::Reference<
                css::ucb::XContent > SAL_CALL
    queryContent()
        throw( css::uno::RuntimeException, std::exception ) override;


    // XResultSet inherited

    virtual sal_Bool SAL_CALL
    next()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    isBeforeFirst()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    isAfterLast()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    isFirst()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    isLast()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual void SAL_CALL
    beforeFirst()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual void SAL_CALL
    afterLast()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    first()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    last()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Int32 SAL_CALL
    getRow()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    absolute( sal_Int32 row )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    relative( sal_Int32 rows )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    previous()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual void SAL_CALL
    refreshRow()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    rowUpdated()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    rowInserted()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL
    rowDeleted()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;
    virtual css::uno::Reference<
                css::uno::XInterface > SAL_CALL
    getStatement()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;


    // XRow inherited

    virtual sal_Bool SAL_CALL
    wasNull()
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual OUString SAL_CALL
    getString( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual sal_Bool SAL_CALL
    getBoolean( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual sal_Int8 SAL_CALL
    getByte( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual sal_Int16 SAL_CALL
    getShort( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual sal_Int32 SAL_CALL
    getInt( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual sal_Int64 SAL_CALL
    getLong( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual float SAL_CALL
    getFloat( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual double SAL_CALL
    getDouble( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::uno::Sequence< sal_Int8 > SAL_CALL
    getBytes( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::util::Date SAL_CALL
    getDate( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::util::Time SAL_CALL
    getTime( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::util::DateTime SAL_CALL
    getTimestamp( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::uno::Reference< css::io::XInputStream > SAL_CALL
    getBinaryStream( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::uno::Reference< css::io::XInputStream > SAL_CALL
    getCharacterStream( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::uno::Any SAL_CALL
    getObject( sal_Int32 columnIndex,
               const css::uno::Reference< css::container::XNameAccess >& typeMap )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::uno::Reference< css::sdbc::XRef > SAL_CALL
    getRef( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::uno::Reference< css::sdbc::XBlob > SAL_CALL
    getBlob( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::uno::Reference< css::sdbc::XClob > SAL_CALL
    getClob( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;

    virtual css::uno::Reference< css::sdbc::XArray > SAL_CALL
    getArray( sal_Int32 columnIndex )
        throw( css::sdbc::SQLException,
               css::uno::RuntimeException, std::exception ) override;


    // Type Converter support


private:
    bool m_bTriedToGetTypeConverter;
    css::uno::Reference< css::script::XTypeConverter > m_xTypeConverter;

    const css::uno::Reference<
        css::script::XTypeConverter >& getTypeConverter();

    template<typename T> T rowOriginGet(
        T (SAL_CALL css::sdbc::XRow::* f)(sal_Int32), sal_Int32 columnIndex);
};


class CachedContentResultSetFactory
                : public cppu::OWeakObject
                , public css::lang::XTypeProvider
                , public css::lang::XServiceInfo
                , public css::ucb::XCachedContentResultSetFactory
{
protected:
    css::uno::Reference< css::uno::XComponentContext >    m_xContext;

public:

    CachedContentResultSetFactory( const css::uno::Reference< css::uno::XComponentContext > & rxContext);

    virtual ~CachedContentResultSetFactory() override;


    // XInterface
    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType )
        throw( css::uno::RuntimeException, std::exception ) override;
    virtual void SAL_CALL acquire()
        throw() override;
    virtual void SAL_CALL release()
        throw() override;

    // XTypeProvider
    virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId()
        throw( css::uno::RuntimeException, std::exception ) override;
    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes()
        throw( css::uno::RuntimeException, std::exception ) override;

    // XServiceInfo
    virtual OUString SAL_CALL getImplementationName()
        throw( css::uno::RuntimeException, std::exception ) override;
    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName )
        throw( css::uno::RuntimeException, std::exception ) override;
    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames()
        throw( css::uno::RuntimeException, std::exception ) override;

    static OUString getImplementationName_Static();
    static css::uno::Sequence< OUString > getSupportedServiceNames_Static();

    static css::uno::Reference< css::lang::XSingleServiceFactory >
    createServiceFactory( const css::uno::Reference<
                          css::lang::XMultiServiceFactory >& rxServiceMgr );

    // XCachedContentResultSetFactory

    virtual css::uno::Reference< css::sdbc::XResultSet > SAL_CALL
    createCachedContentResultSet(
            const css::uno::Reference< css::sdbc::XResultSet > & xSource,
            const css::uno::Reference< css::ucb::XContentIdentifierMapping > & xMapping )
        throw( css::uno::RuntimeException, std::exception ) override;
};

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */