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19 
20 #ifndef INCLUDED_UCB_SOURCE_CACHER_CACHEDCONTENTRESULTSETSTUB_HXX
21 #define INCLUDED_UCB_SOURCE_CACHER_CACHEDCONTENTRESULTSETSTUB_HXX
22 
23 #include "contentresultsetwrapper.hxx"
24 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
25 #include <com/sun/star/lang/XTypeProvider.hpp>
26 #include <com/sun/star/lang/XServiceInfo.hpp>
27 #include <com/sun/star/lang/XSingleServiceFactory.hpp>
28 #include <com/sun/star/ucb/XFetchProvider.hpp>
29 #include <com/sun/star/ucb/XFetchProviderForContentAccess.hpp>
30 #include <com/sun/star/ucb/XCachedContentResultSetStubFactory.hpp>
31 #include <cppuhelper/implbase.hxx>
32 
33 #define CACHED_CRS_STUB_SERVICE_NAME "com.sun.star.ucb.CachedContentResultSetStub"
34 #define CACHED_CRS_STUB_FACTORY_NAME "com.sun.star.ucb.CachedContentResultSetStubFactory"
35 
36 
37 class CachedContentResultSetStub
38                 : public ContentResultSetWrapper
39                 , public css::lang::XTypeProvider
40                 , public css::lang::XServiceInfo
41                 , public css::ucb::XFetchProvider
42                 , public css::ucb::XFetchProviderForContentAccess
43 {
44 private:
45     sal_Int32       m_nColumnCount;
46     bool        m_bColumnCountCached;
47 
48     //members to propagate fetchsize and direction:
49     bool        m_bNeedToPropagateFetchSize;
50     bool        m_bFirstFetchSizePropagationDone;
51     sal_Int32       m_nLastFetchSize;
52     bool        m_bLastFetchDirection;
53     const OUString     m_aPropertyNameForFetchSize;
54     const OUString     m_aPropertyNameForFetchDirection;
55 
56     /// @throws css::sdbc::SQLException
57     /// @throws css::uno::RuntimeException
58     void
59     impl_getCurrentRowContent(
60         css::uno::Any& rRowContent,
61         const css::uno::Reference< css::sdbc::XRow >& xRow );
62 
63     sal_Int32
64     impl_getColumnCount();
65 
66     /// @throws css::uno::RuntimeException
67     static void
68     impl_getCurrentContentIdentifierString(
69             css::uno::Any& rAny
70             , const css::uno::Reference< css::ucb::XContentAccess >& xContentAccess );
71 
72     /// @throws css::uno::RuntimeException
73     static void
74     impl_getCurrentContentIdentifier(
75             css::uno::Any& rAny
76             , const css::uno::Reference< css::ucb::XContentAccess >& xContentAccess );
77 
78     /// @throws css::uno::RuntimeException
79     static void
80     impl_getCurrentContent(
81             css::uno::Any& rAny
82             , const css::uno::Reference< css::ucb::XContentAccess >& xContentAccess );
83 
84     /// @throws css::uno::RuntimeException
85     void
86     impl_propagateFetchSizeAndDirection( sal_Int32 nFetchSize, bool bFetchDirection );
87 
88     css::ucb::FetchResult impl_fetchHelper(sal_Int32 nRowStartPosition, sal_Int32 nRowCount, bool bDirection,
89         std::function<void(css::uno::Any& rRowContent)> impl_loadRow);
90 
91 public:
92     CachedContentResultSetStub( css::uno::Reference< css::sdbc::XResultSet > const & xOrigin );
93 
94     virtual ~CachedContentResultSetStub() override;
95 
96 
97     // XInterface
98     virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
99     virtual void SAL_CALL acquire()
100         throw() override;
101     virtual void SAL_CALL release()
102         throw() override;
103 
104     // own inherited
105 
106     virtual void
107     impl_propertyChange( const css::beans::PropertyChangeEvent& evt ) override;
108 
109     virtual void
110     impl_vetoableChange( const css::beans::PropertyChangeEvent& aEvent ) override;
111 
112     // XTypeProvider
113 
114     virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
115     virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
116 
117     // XServiceInfo
118     virtual OUString SAL_CALL getImplementationName() override;
119     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
120     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
121 
122     // XFetchProvider
123 
124 
125     virtual css::ucb::FetchResult SAL_CALL
126     fetch( sal_Int32 nRowStartPosition
127         , sal_Int32 nRowCount, sal_Bool bDirection ) override;
128 
129 
130     // XFetchProviderForContentAccess
131 
132     virtual css::ucb::FetchResult SAL_CALL
133          fetchContentIdentifierStrings( sal_Int32 nRowStartPosition
134         , sal_Int32 nRowCount, sal_Bool bDirection ) override;
135 
136     virtual css::ucb::FetchResult SAL_CALL
137          fetchContentIdentifiers( sal_Int32 nRowStartPosition
138         , sal_Int32 nRowCount, sal_Bool bDirection ) override;
139 
140     virtual css::ucb::FetchResult SAL_CALL
141          fetchContents( sal_Int32 nRowStartPosition
142         , sal_Int32 nRowCount, sal_Bool bDirection ) override;
143 };
144 
145 
146 class CachedContentResultSetStubFactory final :
147                 public cppu::WeakImplHelper<
148                     css::lang::XServiceInfo,
149                     css::ucb::XCachedContentResultSetStubFactory>
150 {
151 public:
152 
153     CachedContentResultSetStubFactory();
154 
155     virtual ~CachedContentResultSetStubFactory() override;
156 
157     // XServiceInfo
158     virtual OUString SAL_CALL getImplementationName() override;
159     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
160     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
161 
162     static OUString getImplementationName_Static();
163     static css::uno::Sequence< OUString > getSupportedServiceNames_Static();
164 
165     static css::uno::Reference< css::lang::XSingleServiceFactory >
166     createServiceFactory( const css::uno::Reference<
167                           css::lang::XMultiServiceFactory >& rxServiceMgr );
168 
169     // XCachedContentResultSetStubFactory
170 
171     virtual css::uno::Reference< css::sdbc::XResultSet > SAL_CALL
172     createCachedContentResultSetStub(
173                 const css::uno::Reference< css::sdbc::XResultSet > & xSource ) override;
174 };
175 
176 #endif
177 
178 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
179