/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /************************************************************************* * * The Contents of this file are made available subject to the terms of * the BSD license. * * Copyright 2000, 2010 Oracle and/or its affiliates. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Sun Microsystems, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *************************************************************************/ #ifndef INCLUDED_EXAMPLES_DATABASE_DRIVERSKELETON_OSUBCOMPONENT_HXX #define INCLUDED_EXAMPLES_DATABASE_DRIVERSKELETON_OSUBCOMPONENT_HXX #include #include #include #include #include #include #include namespace cppu { class IPropertyArrayHelper; } namespace com { namespace sun { namespace star { namespace lang { class XComponent; } } } } namespace connectivity { namespace skeleton { void release(oslInterlockedCount& _refCount, ::cppu::OBroadcastHelper& rBHelper, ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface, ::com::sun::star::lang::XComponent* _pObject); void checkDisposed(sal_Bool _bThrow) throw ( ::com::sun::star::lang::DisposedException ); template class OSubComponent { protected: // the parent must support the tunnel implementation ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xParent; SELF* m_pDerivedImplementation; public: OSubComponent( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xParent, SELF* _pDerivedImplementation) :m_xParent(_xParent) ,m_pDerivedImplementation(_pDerivedImplementation) { } protected: void dispose_ChildImpl() { ::osl::MutexGuard aGuard( m_pDerivedImplementation->rBHelper.rMutex ); m_xParent = NULL; } void release_ChildImpl() { release(m_pDerivedImplementation->m_refCount, m_pDerivedImplementation->rBHelper, m_xParent, m_pDerivedImplementation); m_pDerivedImplementation->WEAK::release(); } }; template class OPropertyArrayUsageHelper { protected: static sal_Int32 s_nRefCount; static ::cppu::IPropertyArrayHelper* s_pProps; static ::osl::Mutex s_aMutex; public: OPropertyArrayUsageHelper(); virtual ~OPropertyArrayUsageHelper(); /** call this in the getInfoHelper method of your derived class. The method returns the array helper of the class, which is created if necessary. */ ::cppu::IPropertyArrayHelper* getArrayHelper(); protected: /** used to implement the creation of the array helper which is shared amongst all instances of the class. This method needs to be implemented in derived classes.
The method gets called with s_aMutex acquired. @return a pointer to the newly created array helper. Must not be NULL. */ virtual ::cppu::IPropertyArrayHelper* createArrayHelper( ) const = 0; }; template sal_Int32 OPropertyArrayUsageHelper< TYPE >::s_nRefCount = 0; template ::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper< TYPE >::s_pProps = NULL; template ::osl::Mutex OPropertyArrayUsageHelper< TYPE >::s_aMutex; template OPropertyArrayUsageHelper::OPropertyArrayUsageHelper() { ::osl::MutexGuard aGuard(s_aMutex); ++s_nRefCount; } template OPropertyArrayUsageHelper::~OPropertyArrayUsageHelper() { ::osl::MutexGuard aGuard(s_aMutex); OSL_ENSURE(s_nRefCount > 0, "OPropertyArrayUsageHelper::~OPropertyArrayUsageHelper : suspicious call : have a refcount of 0 !"); if (!--s_nRefCount) { delete s_pProps; s_pProps = NULL; } } template ::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper::getArrayHelper() { OSL_ENSURE(s_nRefCount, "OPropertyArrayUsageHelper::getArrayHelper : suspicious call : have a refcount of 0 !"); if (!s_pProps) { ::osl::MutexGuard aGuard(s_aMutex); if (!s_pProps) { s_pProps = createArrayHelper(); OSL_ENSURE(s_pProps, "OPropertyArrayUsageHelper::getArrayHelper : createArrayHelper returned nonsense !"); } } return s_pProps; } class OBase_Mutex { public: ::osl::Mutex m_aMutex; }; namespace internal { template void implCopySequence(const T* _pSource, T*& _pDest, sal_Int32 _nSourceLen) { for (sal_Int32 i=0; i<_nSourceLen; ++i, ++_pSource, ++_pDest) *_pDest = *_pSource; } } /// concat two sequences template ::com::sun::star::uno::Sequence concatSequences(const ::com::sun::star::uno::Sequence& _rLeft, const ::com::sun::star::uno::Sequence& _rRight) { sal_Int32 nLeft(_rLeft.getLength()), nRight(_rRight.getLength()); const T* pLeft = _rLeft.getConstArray(); const T* pRight = _rRight.getConstArray(); sal_Int32 nReturnLen(nLeft + nRight); ::com::sun::star::uno::Sequence aReturn(nReturnLen); T* pReturn = aReturn.getArray(); internal::implCopySequence(pLeft, pReturn, nLeft); internal::implCopySequence(pRight, pReturn, nRight); return aReturn; } #define DECLARE_SERVICE_INFO() \ virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw (::com::sun::star::uno::RuntimeException); \ virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw(::com::sun::star::uno::RuntimeException); \ virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw(::com::sun::star::uno::RuntimeException) \ #define IMPLEMENT_SERVICE_INFO(classname, implasciiname, serviceasciiname) \ ::rtl::OUString SAL_CALL classname::getImplementationName( ) throw (::com::sun::star::uno::RuntimeException) \ { \ return ::rtl::OUString::createFromAscii(implasciiname); \ } \ ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL classname::getSupportedServiceNames( ) throw(::com::sun::star::uno::RuntimeException) \ { \ ::com::sun::star::uno::Sequence< ::rtl::OUString > aSupported(1); \ aSupported[0] = ::rtl::OUString::createFromAscii(serviceasciiname); \ return aSupported; \ } \ sal_Bool SAL_CALL classname::supportsService( const ::rtl::OUString& _rServiceName ) throw(::com::sun::star::uno::RuntimeException) \ { \ return cppu::supportsService(this, _rServiceName); \ } } } #endif // INCLUDED_EXAMPLES_DATABASE_DRIVERSKELETON_OSUBCOMPONENT_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */