ucb/source/cacher/cachedcontentresultsetstub.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 #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: */