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