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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: mysqlc_subcomponent.hxx,v $
*
* $Revision: 1.1.2.2 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
************************************************************************/
#ifndef _CONNECTIVITY_OSUBCOMPONENT_HXX_
#define _CONNECTIVITY_OSUBCOMPONENT_HXX_
#include <cppuhelper/weak.hxx>
#include <cppuhelper/interfacecontainer.h>
#include <com/sun/star/lang/DisposedException.hpp>
#include <cppuhelper/propshlp.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 mysqlc
{
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);
//************************************************************
// OSubComponent
//************************************************************
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 relase_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()
{ // ARGHHHHHHH ..... would like to implement this in proparrhlp_impl.hxx (as we do with all other methods)
// but SUNPRO 5 compiler (linker) doesn't like this
::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;
}
}
/** call this in the getInfoHelper method of your derived class. The method returns the array helper of the
class, which is created if neccessary.
*/
::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.
<BR>
as long as IPropertyArrayHelper has no virtual destructor, the implementation of ~OPropertyArrayUsageHelper
assumes that you created an ::cppu::OPropertyArrayHelper when deleting s_pProps.
@return an 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>
::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) \
{ \
Sequence< ::rtl::OUString > aSupported(getSupportedServiceNames()); \
const ::rtl::OUString* pSupported = aSupported.getConstArray(); \
const ::rtl::OUString* pEnd = pSupported + aSupported.getLength(); \
for (;pSupported != pEnd && !pSupported->equals(_rServiceName); ++pSupported) \
; \
return pSupported != pEnd; \
} \
}
}
#endif // _CONNECTIVITY_OSUBCOMPONENT_HXX_
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
