dbaccess/source/core/inc/ContainerMediator.hxx

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  30 #ifndef DBA_CONTAINERMEDIATOR_HXX
  31 #define DBA_CONTAINERMEDIATOR_HXX
  32
  33 #ifndef _COM_SUN_STAR_CONTAINER_XCONTAINERLISTENER_HPP_
  34 #include <com/sun/star/container/XContainerListener.hpp>
  35 #endif
  36 #ifndef _COM_SUN_STAR_CONTAINER_XCONTAINER_HPP_
  37 #include <com/sun/star/container/XContainer.hpp>
  38 #endif
  39 #ifndef _COM_SUN_STAR_CONTAINER_XNAMECONTAINER_HPP_
  40 #include <com/sun/star/container/XNameContainer.hpp>
  41 #endif
  42 #ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
  43 #include <com/sun/star/beans/XPropertySet.hpp>
  44 #endif
  45 #ifndef _COM_SUN_STAR_SDBC_XCONNECTION_HPP_
  46 #include <com/sun/star/sdbc/XConnection.hpp>
  47 #endif
  48
  49 #ifndef _COMPHELPER_BROADCASTHELPER_HXX_
  50 #include <comphelper/broadcasthelper.hxx>
  51 #endif
  52 #ifndef _COMPHELPER_BROADCASTHELPER_HXX_
  53 #include <comphelper/broadcasthelper.hxx>
  54 #endif
  55 #ifndef _CPPUHELPER_IMPLBASE1_HXX_
  56 #include <cppuhelper/implbase1.hxx>
  57 #endif
  58 #ifndef _RTL_REF_HXX_
  59 #include <rtl/ref.hxx>
  60 #endif
  61
  62 #include <map>
  63
  64 //........................................................................
  65 namespace dbaccess
  66 {
  67 //........................................................................
  68
  69     class OPropertyForward;
  70
  71     class OContainerMediator :   public ::comphelper::OBaseMutex
  72                                 ,public ::cppu::WeakImplHelper1< ::com::sun::star::container::XContainerListener >
  73     {
  74     public:
  75         enum ContainerType
  76         {
  77             eColumns,
  78             eTables
  79         };
  80
  81     private:
  82         typedef ::rtl::Reference< OPropertyForward >                TPropertyForward;
  83         typedef ::std::map< ::rtl::OUString, TPropertyForward >     PropertyForwardList;
  84         PropertyForwardList                                                                                                                             m_aForwardList;
  85         ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess >    m_xSettings;    // can not be weak
  86         ::com::sun::star::uno::Reference< ::com::sun::star::container::XContainer >         m_xContainer;   // can not be weak
  87         ::com::sun::star::uno::WeakReference< ::com::sun::star::sdbc::XConnection >     m_aConnection;
  88         ContainerType                                                                   m_eType;
  89
  90     protected:
  91         virtual ~OContainerMediator();
  92
  93     public:
  94         OContainerMediator(
  95             const ::com::sun::star::uno::Reference< ::com::sun::star::container::XContainer >& _xContainer,
  96             const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess >& _xSettings,
  97             const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >& _rxConnection,
  98             ContainerType _eType
  99        );
 100
 101         virtual void SAL_CALL elementInserted( const ::com::sun::star::container::ContainerEvent& _rEvent ) throw(::com::sun::star::uno::RuntimeException);
 102         virtual void SAL_CALL elementRemoved( const ::com::sun::star::container::ContainerEvent& _rEvent ) throw(::com::sun::star::uno::RuntimeException);
 103         virtual void SAL_CALL elementReplaced( const ::com::sun::star::container::ContainerEvent& _rEvent ) throw(::com::sun::star::uno::RuntimeException);
 104         virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException);
 105
 106         void notifyElementCreated(const ::rtl::OUString& _sElementName
 107                                 ,const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& _xElement);
 108
 109     private:
 110         /** cleans up the instance, by deregistering as listener at the containers,
 111             and resetting them to <NULL/>
 112         */
 113         void    impl_cleanup_nothrow();
 114
 115         /** retrieves the settings object to initialize a container element
 116
 117             Normally, this object will simply retrieve the object with the given name from our settings
 118             container. Hiowever, for columns, there's a fallback in case this settings object does
 119             not yet exist: Then, we check if the given destination object refers to a table column, via its
 120             TableName and RealName property. If so, this table column is used as initialization object.
 121
 122             @param _rName
 123                 the name of the destination object in its container
 124             @param _rxDestination
 125                 the destination object to initialize
 126         */
 127         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >
 128                 impl_getSettingsForInitialization_nothrow(
 129                     const ::rtl::OUString& _rName,
 130                     const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxDestination
 131                 ) const;
 132     };
 133 //........................................................................
 134 }       // namespace dbaccess
 135 //........................................................................
 136
 137 #endif // DBA_CONTAINERMEDIATOR_HXX