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27 #ifndef _CONNECTIVITY_OSUBCOMPONENT_HXX_
28 #define _CONNECTIVITY_OSUBCOMPONENT_HXX_
29 
30 #include <cppuhelper/weak.hxx>
31 #include <cppuhelper/interfacecontainer.h>
32 #include "connectivity/dbtoolsdllapi.hxx"
33 
34 namespace com
35 {
36 	namespace sun
37 	{
38 		namespace star
39 		{
40 			namespace lang
41 			{
42 				class XComponent;
43 			}
44 		}
45 	}
46 }
47 namespace connectivity
48 {
49     OOO_DLLPUBLIC_DBTOOLS
50 	void release(oslInterlockedCount& _refCount,
51 				 ::cppu::OBroadcastHelper& rBHelper,
52 				 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface,
53 				 ::com::sun::star::lang::XComponent* _pObject);
54 	//************************************************************
55 	// OSubComponent
56 	//************************************************************
57 	template <class SELF, class WEAK> class OSubComponent
58 	{
59 	protected:
60 		// the parent must support the tunnel implementation
61 		::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xParent;
62 		SELF*	m_pDerivedImplementation;
63 
64 	public:
65 		OSubComponent(
66 				const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xParent,
67 				SELF* _pDerivedImplementation)
68 			:m_xParent(_xParent)
69 			,m_pDerivedImplementation(_pDerivedImplementation)
70 		{
71 		}
72 
73 	protected:
74 		void dispose_ChildImpl()
75 		{
76 			// avoid ambiguity
77 			::osl::MutexGuard aGuard( m_pDerivedImplementation->WEAK::rBHelper.rMutex );
78 		m_xParent.clear();
79 		}
80 		void relase_ChildImpl()
81 		{
82 			::connectivity::release(m_pDerivedImplementation->m_refCount,
83 									m_pDerivedImplementation->WEAK::rBHelper,
84 									m_xParent,
85 									m_pDerivedImplementation);
86 
87 			m_pDerivedImplementation->WEAK::release();
88 		}
89 	};
90 }
91 #endif // _CONNECTIVITY_OSUBCOMPONENT_HXX_
92 
93