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| -rw-r--r-- | odk/examples/DevelopersGuide/Database/DriverSkeleton/OSubComponent.hxx | 242 |
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diff --git a/odk/examples/DevelopersGuide/Database/DriverSkeleton/OSubComponent.hxx b/odk/examples/DevelopersGuide/Database/DriverSkeleton/OSubComponent.hxx new file mode 100644 index 000000000..c915cdac0 --- /dev/null +++ b/odk/examples/DevelopersGuide/Database/DriverSkeleton/OSubComponent.hxx @@ -0,0 +1,242 @@ +/* -*- 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 <com/sun/star/lang/DisposedException.hpp> +#include <cppuhelper/interfacecontainer.h> +#include <cppuhelper/propshlp.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <cppuhelper/weak.hxx> +#include <osl/mutex.hxx> +#include <osl/diagnose.h> + +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 SELF, class WEAK> 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 TYPE> + 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. + <BR> + 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<class TYPE> + sal_Int32 OPropertyArrayUsageHelper< TYPE >::s_nRefCount = 0; + + template<class TYPE> + ::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper< TYPE >::s_pProps = NULL; + + template<class TYPE> + ::osl::Mutex OPropertyArrayUsageHelper< TYPE >::s_aMutex; + + template <class TYPE> + OPropertyArrayUsageHelper<TYPE>::OPropertyArrayUsageHelper() + { + ::osl::MutexGuard aGuard(s_aMutex); + ++s_nRefCount; + } + + template <class TYPE> + OPropertyArrayUsageHelper<TYPE>::~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 <class TYPE> + ::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper<TYPE>::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 <class T> + 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 <class T> + ::com::sun::star::uno::Sequence<T> concatSequences(const ::com::sun::star::uno::Sequence<T>& _rLeft, const ::com::sun::star::uno::Sequence<T>& _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<T> 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: */ |