include/connectivity/paramwrapper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_CONNECTIVITY_PARAMWRAPPER_HXX
  21 #define INCLUDED_CONNECTIVITY_PARAMWRAPPER_HXX
  22
  23 #include <config_options.h>
  24 #include <connectivity/dbtoolsdllapi.hxx>
  25 #include <connectivity/FValue.hxx>
  26
  27 #include <com/sun/star/container/XIndexAccess.hpp>
  28 #include <com/sun/star/container/XEnumerationAccess.hpp>
  29
  30 #include <comphelper/uno3.hxx>
  31 #include <comphelper/broadcasthelper.hxx>
  32 #include <cppuhelper/weak.hxx>
  33 #include <cppuhelper/propshlp.hxx>
  34 #include <comphelper/compbase.hxx>
  35
  36 #include <memory>
  37 #include <vector>
  38
  39 namespace com::sun::star::sdbc { class XParameters; }
  40 namespace com::sun::star::sdb { class XSingleSelectQueryAnalyzer; }
  41
  42
  43 namespace dbtools::param
  44 {
  45
  46
  47     //= ParameterWrapper
  48
  49     /** wraps a parameter column as got from an SQLQueryComposer, so that it has an additional
  50         property "Value", which is forwarded to an XParameters interface
  51     */
  52     class OOO_DLLPUBLIC_DBTOOLS ParameterWrapper final : public ::cppu::OWeakObject
  53                             ,public css::lang::XTypeProvider
  54                             ,public ::comphelper::OMutexAndBroadcastHelper
  55                             ,public ::cppu::OPropertySetHelper
  56     {
  57     private:
  58         typedef ::cppu::OWeakObject         UnoBase;
  59         typedef ::cppu::OPropertySetHelper  PropertyBase;
  60
  61     private:
  62         /// the most recently set value of the parameter
  63         ::connectivity::ORowSetValue    m_aValue;
  64         /// the positions (in our m_xValueDestination) at which the value should be set (0-based!)
  65         ::std::vector< sal_Int32 >      m_aIndexes;
  66
  67         /// the "delegator" column to which standard property requests are forwarded
  68         css::uno::Reference< css::beans::XPropertySet >       m_xDelegator;
  69         /// the property set info for our delegator
  70         css::uno::Reference< css::beans::XPropertySetInfo >   m_xDelegatorPSI;
  71         /// the component taking the value
  72         css::uno::Reference< css::sdbc::XParameters >         m_xValueDestination;
  73         /// helper for implementing XPropertySetInfo
  74         ::std::unique_ptr< ::cppu::OPropertyArrayHelper >     m_pInfoHelper;
  75
  76
  77     public:
  78         const ::connectivity::ORowSetValue& Value() const { return m_aValue; }
  79               ::connectivity::ORowSetValue& Value()       { return m_aValue; }
  80
  81     public:
  82         ParameterWrapper(
  83             const css::uno::Reference< css::beans::XPropertySet >& _rxColumn
  84         );
  85
  86         ParameterWrapper(
  87             const css::uno::Reference< css::beans::XPropertySet >& _rxColumn,
  88             const css::uno::Reference< css::sdbc::XParameters >& _rxAllParameters,
  89             std::vector< sal_Int32 >&& _rIndexes
  90         );
  91
  92         DECLARE_XINTERFACE()
  93
  94         virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes(  ) override;
  95         virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId(  ) override;
  96
  97         // XPropertySet
  98         virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo() override;
  99         virtual ::cppu::IPropertyArrayHelper& SAL_CALL getInfoHelper() override;
 100
 101         // OPropertySetHelper
 102         virtual sal_Bool SAL_CALL convertFastPropertyValue( css::uno::Any& rConvertedValue, css::uno::Any& rOldValue, sal_Int32 nHandle, const css::uno::Any& rValue) override;
 103         virtual void SAL_CALL setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, const css::uno::Any& rValue ) override;
 104         virtual void SAL_CALL getFastPropertyValue( css::uno::Any& rValue, sal_Int32 nHandle ) const override;
 105
 106         // pseudo-XComponent
 107         void dispose();
 108
 109     private:
 110         virtual ~ParameterWrapper() override;
 111
 112         // disambiguations
 113         using ::cppu::OPropertySetHelper::getFastPropertyValue;
 114
 115         OUString impl_getPseudoAggregatePropertyName( sal_Int32 _nHandle ) const;
 116     };
 117
 118
 119     //= ParameterWrapper
 120
 121     typedef ::std::vector< ::rtl::Reference< ParameterWrapper > >   Parameters;
 122
 123
 124     //= ParameterWrapperContainer
 125
 126     typedef ::comphelper::WeakComponentImplHelper    <   css::container::XIndexAccess
 127                                                ,   css::container::XEnumerationAccess
 128                                                >   ParameterWrapperContainer_Base;
 129
 130     /// class for the parameter event @see approveParameter
 131     class OOO_DLLPUBLIC_DBTOOLS ParameterWrapperContainer final :
 132         public ParameterWrapperContainer_Base
 133     {
 134     private:
 135         Parameters      m_aParameters;
 136
 137         virtual ~ParameterWrapperContainer() override;
 138
 139     public:
 140         /** creates an empty container
 141         */
 142         ParameterWrapperContainer();
 143
 144         /** creates a container from a SingleSelectQuerAnalyzer's parameter columns
 145
 146             Note that here, the simple constructor of the ParameterWrapper will be used, which does not
 147             use a XParameters instance to forward values to, but only remembers the values itself.
 148         */
 149         ParameterWrapperContainer( const css::uno::Reference< css::sdb::XSingleSelectQueryAnalyzer >& _rxComposer );
 150
 151         // css::container::XElementAccess
 152         virtual css::uno::Type SAL_CALL getElementType() override;
 153         virtual sal_Bool SAL_CALL hasElements() override;
 154
 155         // css::container::XEnumerationAccess
 156         virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL createEnumeration() override;
 157
 158         // css::container::XIndexAccess
 159         virtual sal_Int32 SAL_CALL getCount() override;
 160         virtual css::uno::Any SAL_CALL getByIndex(sal_Int32 _rIndex) override;
 161
 162     public:
 163         const Parameters& getParameters() const { return m_aParameters; }
 164
 165         const ::connectivity::ORowSetValue& operator[]( size_t _index ) const { return m_aParameters[ _index ]->Value(); }
 166               ::connectivity::ORowSetValue& operator[]( size_t _index )       { return m_aParameters[ _index ]->Value(); }
 167
 168         /** adds a ParameterWrapper to the end of the array
 169         */
 170         void    push_back( ParameterWrapper* _pParameter )
 171         {
 172             m_aParameters.push_back( _pParameter );
 173         }
 174
 175         size_t  size() const { return m_aParameters.size(); }
 176
 177     private:
 178         // XComponent
 179         virtual void disposing(std::unique_lock<std::mutex>& rGuard) override;
 180
 181         void    impl_checkDisposed_throw();
 182     };
 183
 184
 185     //= ParametersContainer
 186
 187     typedef ::rtl::Reference< ParameterWrapperContainer >   ParametersContainerRef;
 188
 189
 190 } // namespace dbtools::param
 191
 192
 193 #endif // INCLUDED_CONNECTIVITY_PARAMWRAPPER_HXX
 194
 195 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */