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/* -*- 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);
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( ); \
virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) ; \
virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) \
#define IMPLEMENT_SERVICE_INFO(classname, implasciiname, serviceasciiname) \
::rtl::OUString SAL_CALL classname::getImplementationName( ) \
{ \
return ::rtl::OUString::createFromAscii(implasciiname); \
} \
::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL classname::getSupportedServiceNames( ) \
{ \
::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 ) \
{ \
return cppu::supportsService(this, _rServiceName); \
}
}
}
#endif // INCLUDED_EXAMPLES_DATABASE_DRIVERSKELETON_OSUBCOMPONENT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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