connectivity/source/inc/OSubComponent.hxx

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  30 #ifndef _CONNECTIVITY_OSUBCOMPONENT_HXX_
  31 #define _CONNECTIVITY_OSUBCOMPONENT_HXX_
  32
  33 #include <cppuhelper/weak.hxx>
  34 #include <cppuhelper/interfacecontainer.h>
  35 #include "connectivity/dbtoolsdllapi.hxx"
  36
  37 namespace com
  38 {
  39     namespace sun
  40     {
  41         namespace star
  42         {
  43             namespace lang
  44             {
  45                 class XComponent;
  46             }
  47         }
  48     }
  49 }
  50 namespace connectivity
  51 {
  52     OOO_DLLPUBLIC_DBTOOLS
  53     void release(oslInterlockedCount& _refCount,
  54                  ::cppu::OBroadcastHelper& rBHelper,
  55                  ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface,
  56                  ::com::sun::star::lang::XComponent* _pObject);
  57     //************************************************************
  58     // OSubComponent
  59     //************************************************************
  60     template <class SELF, class WEAK> class OSubComponent
  61     {
  62     protected:
  63         // the parent must support the tunnel implementation
  64         ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xParent;
  65         SELF*   m_pDerivedImplementation;
  66
  67     public:
  68         OSubComponent(
  69                 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xParent,
  70                 SELF* _pDerivedImplementation)
  71             :m_xParent(_xParent)
  72             ,m_pDerivedImplementation(_pDerivedImplementation)
  73         {
  74         }
  75
  76     protected:
  77         void dispose_ChildImpl()
  78         {
  79             // avoid ambiguity
  80             ::osl::MutexGuard aGuard( m_pDerivedImplementation->WEAK::rBHelper.rMutex );
  81         m_xParent.clear();
  82         }
  83         void relase_ChildImpl()
  84         {
  85             ::connectivity::release(m_pDerivedImplementation->m_refCount,
  86                                     m_pDerivedImplementation->WEAK::rBHelper,
  87                                     m_xParent,
  88                                     m_pDerivedImplementation);
  89
  90             m_pDerivedImplementation->WEAK::release();
  91         }
  92     };
  93 }
  94 #endif // _CONNECTIVITY_OSUBCOMPONENT_HXX_
  95