xref: /trunk/main/dbaccess/source/core/misc/apitools.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_dbaccess.hxx"
30 
31 #ifndef _DBASHARED_APITOOLS_HXX_
32 #include "apitools.hxx"
33 #endif
34 #ifndef DBACCESS_SHARED_DBASTRINGS_HRC
35 #include "dbastrings.hrc"
36 #endif
37 #ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
38 #include <cppuhelper/typeprovider.hxx>
39 #endif
40 #include <com/sun/star/lang/XServiceInfo.hpp>
41 #ifndef _OSL_DIAGNOSE_H_
42 #include <osl/diagnose.h>
43 #endif
44 #ifndef _TOOLS_DEBUG_HXX
45 #include <tools/debug.hxx>
46 #endif
47 
48 using namespace ::com::sun::star::uno;
49 using namespace ::com::sun::star::lang;
50 using namespace cppu;
51 using namespace osl;
52 using namespace dbaccess;
53 
54 //==================================================================================
55 //= various helper functions
56 //==================================================================================
57 //============================================================
58 //= OSubComponent
59 //============================================================
60 DBG_NAME(OSubComponent)
61 //--------------------------------------------------------------------------
62 OSubComponent::OSubComponent(Mutex& _rMutex, const Reference< XInterface > & xParent)
63               :OComponentHelper(_rMutex)
64               ,m_xParent(xParent)
65 {
66     DBG_CTOR(OSubComponent,NULL);
67 
68 }
69 // -----------------------------------------------------------------------------
70 OSubComponent::~OSubComponent()
71 {
72     m_xParent = NULL;
73 
74     DBG_DTOR(OSubComponent,NULL);
75 }
76 
77 // com::sun::star::lang::XTypeProvider
78 //--------------------------------------------------------------------------
79 Sequence< Type > OSubComponent::getTypes() throw (RuntimeException)
80 {
81     OTypeCollection aTypes(::getCppuType( (const Reference< XComponent > *)0 ),
82                            ::getCppuType( (const Reference< XTypeProvider > *)0 ),
83                            ::getCppuType( (const Reference< XWeak > *)0 ));
84 
85     return aTypes.getTypes();
86 }
87 
88 // XInterface
89 //--------------------------------------------------------------------------
90 void OSubComponent::acquire() throw ( )
91 {
92     OComponentHelper::acquire();
93 }
94 
95 //--------------------------------------------------------------------------
96 void OSubComponent::release() throw ( )
97 {
98     Reference< XInterface > x( xDelegator );
99     if (! x.is())
100     {
101         if (osl_decrementInterlockedCount( &m_refCount ) == 0 )
102         {
103             if (! rBHelper.bDisposed)
104             {
105                 // *before* again incrementing our ref count, ensure that our weak connection point
106                 // will not create references to us anymore (via XAdapter::queryAdapted)
107                 disposeWeakConnectionPoint();
108 
109                 Reference< XInterface > xHoldAlive( *this );
110                 // remember the parent
111                 Reference< XInterface > xParent;
112                 {
113                     MutexGuard aGuard( rBHelper.rMutex );
114                     xParent = m_xParent;
115                     m_xParent = NULL;
116                 }
117 
118                 OSL_ENSURE( m_refCount == 1, "OSubComponent::release: invalid ref count (before dispose)!" );
119 
120                 // First dispose
121                 dispose();
122 
123                 // only the alive ref holds the object
124                 OSL_ENSURE( m_refCount == 1, "OSubComponent::release: invalid ref count (after dispose)!" );
125 
126                 // release the parent in the ~
127                 if (xParent.is())
128                 {
129                     MutexGuard aGuard( rBHelper.rMutex );
130                     m_xParent = xParent;
131                 }
132 
133                 // destroy the object if xHoldAlive decrement the refcount to 0
134                 return;
135             }
136         }
137         // restore the reference count
138         osl_incrementInterlockedCount( &m_refCount );
139     }
140 
141     // as we cover the job of the componenthelper we use the ...
142     OWeakAggObject::release();
143 }
144 
145 //--------------------------------------------------------------------------
146 Any OSubComponent::queryInterface( const Type & rType ) throw(RuntimeException)
147 {
148     Any aReturn;
149     if (!rType.equals(::getCppuType(static_cast< Reference< XAggregation >* >(NULL))))
150         aReturn = OComponentHelper::queryInterface(rType);
151 
152     return aReturn;
153 }
154 
155 
156