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|
/*************************************************************************
*
* 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: RowSetBase.hxx,v $
* $Revision: 1.39.68.1 $
*
* 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 DBACCESS_CORE_API_ROWSETBASE_HXX
#define DBACCESS_CORE_API_ROWSETBASE_HXX
#ifndef _CPPUHELPER_IMPLBASE10_HXX_
#include <cppuhelper/implbase10.hxx>
#endif
#ifndef _COM_SUN_STAR_SDBCX_XCOLUMNSSUPPLIER_HPP_
#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_XROW_HPP_
#include <com/sun/star/sdbc/XRow.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_XCOLUMNLOCATE_HPP_
#include <com/sun/star/sdbc/XColumnLocate.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_XCLOSEABLE_HPP_
#include <com/sun/star/sdbc/XCloseable.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBCX_XROWLOCATE_HPP_
#include <com/sun/star/sdbcx/XRowLocate.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_XRESULTSETMETADATASUPPLIER_HPP_
#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_XWARNINGSSUPPLIER_HPP_
#include <com/sun/star/sdbc/XWarningsSupplier.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XSERVICEINFO_HPP_
#include <com/sun/star/lang/XServiceInfo.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XUNOTUNNEL_HPP_
#include <com/sun/star/lang/XUnoTunnel.hpp>
#endif
#ifndef _CPPUHELPER_INTERFACECONTAINER_H_
#include <cppuhelper/interfacecontainer.h>
#endif
#ifndef CONNECTIVITY_SQLERROR_HXX
#include <connectivity/sqlerror.hxx>
#endif
#ifndef _CONNECTIVITY_COMMONTOOLS_HXX_
#include <connectivity/CommonTools.hxx>
#endif
#ifndef COMPHELPER_PROPERTYSTATECONTAINER_HXX
#include <comphelper/propertystatecontainer.hxx>
#endif
#ifndef _COMPHELPER_PROPERTY_ARRAY_HELPER_HXX_
#include <comphelper/proparrhlp.hxx>
#endif
#ifndef _COM_SUN_STAR_SDBC_XROWSET_HPP_
#include <com/sun/star/sdbc/XRowSet.hpp>
#endif
#ifndef _COM_SUN_STAR_UTIL_XNUMBERFORMATTYPES_HPP_
#include <com/sun/star/util/XNumberFormatTypes.hpp>
#endif
#ifndef _COM_SUN_STAR_CONTAINER_XNAMEACCESS_HPP_
#include <com/sun/star/container/XNameAccess.hpp>
#endif
#ifndef DBACCESS_CORE_API_ROWSETROW_HXX
#include "RowSetRow.hxx"
#endif
#ifndef _COMPHELPER_BROADCASTHELPER_HXX_
#include <comphelper/broadcasthelper.hxx>
#endif
#ifndef DBACCESS_ROWSETCACHEITERATOR_HXX
#include "RowSetCacheIterator.hxx"
#endif
#include "core_resource.hxx"
#include <comphelper/componentcontext.hxx>
#include <functional>
namespace com { namespace sun { namespace star {
namespace sdb { struct RowChangeEvent; }
namespace lang { struct Locale; }
} } }
namespace dbaccess
{
class OEmptyCollection;
typedef ::cppu::ImplHelper10< ::com::sun::star::sdbcx::XRowLocate,
::com::sun::star::sdbc::XRow,
::com::sun::star::sdbc::XResultSetMetaDataSupplier,
::com::sun::star::sdbc::XWarningsSupplier,
::com::sun::star::sdbc::XColumnLocate,
::com::sun::star::sdbcx::XColumnsSupplier,
::com::sun::star::lang::XServiceInfo,
::com::sun::star::sdbc::XRowSet,
::com::sun::star::sdbc::XCloseable,
::com::sun::star::lang::XUnoTunnel> ORowSetBase_BASE;
class ORowSetCache;
class ORowSetDataColumns;
class ORowSetCacheIterator;
class ORowSetDataColumn;
class ORowSetBase : public ORowSetBase_BASE,
public ::comphelper::OPropertyStateContainer,
public ::comphelper::OPropertyArrayUsageHelper<ORowSetBase> // this class hold the static property info
{
OModuleClient m_aModuleClient;
protected:
typedef ::std::vector<ORowSetDataColumn*> TDataColumns;
::osl::Mutex* m_pMutex; // this the mutex form the rowset itself
::osl::Mutex m_aRowCountMutex, // mutex for rowcount changes
// we need a extra mutex for columns to prevend deadlock when setting new values
// for a row
m_aColumnsMutex;
::com::sun::star::uno::Any m_aBookmark;
ORowSetCacheIterator m_aCurrentRow; // contains the actual fetched row
TORowSetOldRowHelperRef m_aOldRow;
TDataColumns m_aDataColumns; // holds the columns as m_pColumns but know the implementation class
connectivity::ORowSetValue m_aEmptyValue; // only for error case
::cppu::OWeakObject* m_pMySelf; // set by derived classes
ORowSetCache* m_pCache; // the cache is used by the rowset and his clone (shared)
ORowSetDataColumns* m_pColumns; // represent the select columns
::cppu::OBroadcastHelper& m_rBHelper; // must be set from the derived classes
// is used when the formatkey for database types is set
::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatTypes> m_xNumberFormatTypes;
OEmptyCollection* m_pEmptyCollection;
::comphelper::ComponentContext m_aContext;
::connectivity::SQLError m_aErrors;
sal_Int32 m_nLastColumnIndex; // the last column ask for, used for wasNull()
sal_Int32 m_nDeletedPosition; // is set only when a row was deleted
sal_Int32 m_nResultSetType; // fetch property
sal_Int32 m_nResultSetConcurrency;
sal_Bool m_bClone; // I'm clone or not
sal_Bool m_bIgnoreResult ;
sal_Bool m_bBeforeFirst : 1;
sal_Bool m_bAfterLast : 1;
protected:
ORowSetBase(
const ::comphelper::ComponentContext& _rContext,
::cppu::OBroadcastHelper& _rBHelper,
::osl::Mutex* _pMutex
);
// fire a notification for all that are listening on column::VALUE property
void firePropertyChange(const ORowSetRow& _rOldRow);
// fire if rowcount changed
virtual void fireRowcount();
// notify row changed
virtual sal_Bool notifyAllListenersCursorBeforeMove(::osl::ResettableMutexGuard& _rGuard);
// notify cursor moved
virtual void notifyAllListenersCursorMoved(::osl::ResettableMutexGuard& _rGuard);
// notify all that rowset changed
virtual void notifyAllListeners(::osl::ResettableMutexGuard& _rGuard);
// cancel the insertion, if necessary (means if we're on the insert row)
virtual void doCancelModification( ) = 0;
// return <TRUE/> if and only if we're using the insert row (means: we're updating _or_ inserting)
virtual sal_Bool isModification( ) = 0;
// return <TRUE/> if and only if the current row is modified
// TODO: isn't this the same as isModification?
virtual sal_Bool isModified( ) = 0;
// return <TRUE/> if and only if the current row is the insert row
virtual sal_Bool isNew( ) = 0;
// notify the change of a boolean property
void fireProperty( sal_Int32 _nProperty, sal_Bool _bNew, sal_Bool _bOld );
// OPropertyStateContainer
virtual void getPropertyDefaultByHandle( sal_Int32 _nHandle, ::com::sun::star::uno::Any& _rDefault ) const;
virtual void SAL_CALL getFastPropertyValue(::com::sun::star::uno::Any& rValue,sal_Int32 nHandle) const;
enum CursorMoveDirection
{
/// denotes a cursor move forward
MOVE_FORWARD,
/// denotes a cursor move backwards
MOVE_BACKWARD,
/// denotes no cursor move at all, used when the current row is to be refreshed only
MOVE_NONE_REFRESH_ONLY
};
/** positions the cache in preparation of a cursor move
Normally, the cache is simply moved to our bookmark (m_aBookmark). If however the current
row is deleted, then the cache is properly positioned for a following cursor movement in the
given direction.
@param _ePrepareForDirection
the direction into which the cursor should be moved after the call. If we're currently not on
a deleted row, this parameter is ignored, since in this case the cache is simply moved to
m_aBookmark.</br>
If, however, we're currently on a deleted row, this is used to properly position the cache
using <member>m_nDeletedPosition</member>.<br/>
In this case, MOVE_NONE_REFRESH_ONLY is not supported. This is because the deleted row
(to which the RowSet currently points to) is not present in the cache. So, you cannot move the
cache to this row.
*/
void positionCache( CursorMoveDirection _ePrepareForDirection );
// returns a value of a column of the current row
const connectivity::ORowSetValue& getValue(sal_Int32 columnIndex);
// the cache has to be checked before calling this method
const connectivity::ORowSetValue& impl_getValue(sal_Int32 columnIndex);
// sets the current and the bookmark
void setCurrentRow( sal_Bool _bMoved, sal_Bool _bDoNotify, const ORowSetRow& _rOldValues, ::osl::ResettableMutexGuard& _rGuard);
void checkPositioningAllowed() throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
// checks if the cache is null
void checkCache();
// sets the bookmark to Any()
// m_aCurrentRow to end of matrix
// m_aOldRow to NULL
void movementFailed();
ORowSetRow getOldRow(sal_Bool _bWasNew);
/** move the cache the postion defined by the member functor
@param _aCheckFunctor
Return <TRUE/> when we already stand on the row we want to.
@param _aMovementFunctor
The mehtod used to move.
@return
<TRUE/> if movement was successful.
*/
sal_Bool SAL_CALL move( ::std::mem_fun_t<sal_Bool,ORowSetBase>& _aCheckFunctor,
::std::mem_fun_t<sal_Bool,ORowSetCache>& _aMovementFunctor);
/** same meaning as isFirst. Only need by mem_fun
@return
<TRUE/> if so.
*/
sal_Bool isOnFirst();
/** same meaning as isLast. Only need by mem_fun
@return
<TRUE/> if so.
*/
sal_Bool isOnLast();
/** returns the current row count
This function takes into account that we might actually be positioned on a
deleted row, so that m_pCache->m_nRowCount does not really reflect the actual
count.
@precond
Our mutext is locked.
*/
sal_Int32 impl_getRowCount() const;
// the checkCache has to be called before calling this methods
sal_Bool impl_wasNull();
sal_Int32 impl_getRow();
sal_Bool impl_rowDeleted();
public:
virtual ~ORowSetBase();
// OComponentHelper
virtual void SAL_CALL disposing(void);
// com::sun::star::beans::XPropertySet
virtual ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo( ) throw(::com::sun::star::uno::RuntimeException)
{
return ::cppu::OPropertySetHelper::createPropertySetInfo(getInfoHelper());
}
// comphelper::OPropertyArrayUsageHelper
virtual ::cppu::IPropertyArrayHelper* createArrayHelper( ) const;
// cppu::OPropertySetHelper
virtual ::cppu::IPropertyArrayHelper& SAL_CALL getInfoHelper();
// com::sun::star::lang::XTypeProvider
virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type > SAL_CALL getTypes() throw (::com::sun::star::uno::RuntimeException);
// com::sun::star::uno::XInterface
virtual ::com::sun::star::uno::Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type & rType ) throw (::com::sun::star::uno::RuntimeException);
// ::com::sun::star::sdbc::XWarningsSupplier
virtual ::com::sun::star::uno::Any SAL_CALL getWarnings( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL clearWarnings( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
// ::com::sun::star::sdbc::XResultSetMetaDataSupplier
virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSetMetaData > SAL_CALL getMetaData( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
// ::com::sun::star::sdbc::XColumnLocate
virtual sal_Int32 SAL_CALL findColumn( const ::rtl::OUString& columnName ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
// ::com::sun::star::sdbcx::XColumnsSupplier
virtual ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess > SAL_CALL getColumns( ) throw(::com::sun::star::uno::RuntimeException);
// ::com::sun::star::sdbc::XRow
virtual sal_Bool SAL_CALL wasNull( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getString( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL getBoolean( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int8 SAL_CALL getByte( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int16 SAL_CALL getShort( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL getInt( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int64 SAL_CALL getLong( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual float SAL_CALL getFloat( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual double SAL_CALL getDouble( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL getBytes( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::util::Date SAL_CALL getDate( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::util::Time SAL_CALL getTime( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::util::DateTime SAL_CALL getTimestamp( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getBinaryStream( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getCharacterStream( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Any SAL_CALL getObject( sal_Int32 columnIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess >& typeMap ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRef > SAL_CALL getRef( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XBlob > SAL_CALL getBlob( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XClob > SAL_CALL getClob( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XArray > SAL_CALL getArray( sal_Int32 columnIndex ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
// ::com::sun::star::sdbcx::XRowLocate
virtual ::com::sun::star::uno::Any SAL_CALL getBookmark( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL moveToBookmark( const ::com::sun::star::uno::Any& bookmark ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL moveRelativeToBookmark( const ::com::sun::star::uno::Any& bookmark, sal_Int32 rows ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL compareBookmarks( const ::com::sun::star::uno::Any& first, const ::com::sun::star::uno::Any& second ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL hasOrderedBookmarks( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL hashBookmark( const ::com::sun::star::uno::Any& bookmark ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
// ::com::sun::star::sdbc::XResultSet
virtual sal_Bool SAL_CALL next( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isBeforeFirst( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isAfterLast( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isFirst( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isLast( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL beforeFirst( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL afterLast( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL first( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL last( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL getRow( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL absolute( sal_Int32 row ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL relative( sal_Int32 rows ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL previous( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL refreshRow( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL rowUpdated( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL rowInserted( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL rowDeleted( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL getStatement( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException);
// ::com::sun::star::sdbc::XRowSet
virtual void SAL_CALL execute( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) = 0;
virtual void SAL_CALL addRowSetListener( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSetListener >& listener ) throw(::com::sun::star::uno::RuntimeException) = 0;
virtual void SAL_CALL removeRowSetListener( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSetListener >& listener ) throw(::com::sun::star::uno::RuntimeException) = 0;
// is called when the rowset is going to delete this bookmark _rBookmark
void onDeleteRow( const ::com::sun::star::uno::Any& _rBookmark );
// is called when the rowset has deleted this bookmark _rBookmark
void onDeletedRow( const ::com::sun::star::uno::Any& _rBookmark, sal_Int32 _nPos );
// ==========================================================
// granular access control
struct GrantNotifierAccess { friend class ORowSetNotifier; private: GrantNotifierAccess () { } };
// cancel the insertion, if necessary (means if we're on the insert row)
inline void doCancelModification( const GrantNotifierAccess& ) { doCancelModification(); }
inline sal_Bool isModification( const GrantNotifierAccess& ) { return isModification(); }
inline sal_Bool isModified( const GrantNotifierAccess& ) { return isModified(); }
inline sal_Bool isNew( const GrantNotifierAccess& ) { return isNew(); }
inline sal_Bool isInsertRow() { return isNew() || isModified(); }
inline void fireProperty( sal_Int32 _nProperty, sal_Bool _bNew, sal_Bool _bOld, const GrantNotifierAccess& )
{
fireProperty( _nProperty, _bNew, _bOld );
}
using ::comphelper::OPropertyStateContainer::getFastPropertyValue;
::osl::Mutex* getMutex() const { return m_pMutex; }
};
// ========================================================================
/** eases the handling of the doCancelModification and notifyCancelInsert methods
<p>The class can only be used on the stack, within a method of ORowSetBase (or derivees)</p>
*/
class ORowSetNotifier
{
private:
ORowSetBase* m_pRowSet;
// not aquired! This is not necessary because this class here is to be used on the stack within
// a method of ORowSetBase (or derivees)
sal_Bool m_bWasNew;
sal_Bool m_bWasModified;
#ifdef DBG_UTIL
sal_Bool m_bNotifyCalled;
#endif
public:
/** constructs the object, and cancels the insertion
@see ORowSetBase::doCancelModification
*/
ORowSetNotifier( ORowSetBase* m_pRowSet );
// destructs the object. <member>fire</member> has to be called before.
~ORowSetNotifier( );
/** notifies the insertion
<p>This has <em>not</em> been put into the destructor by intention!<br/>
The destructor is called during stack unwinding in case of an exception, so if we would do
listener notification there, this would have the potential of another exception during stack
unwinding, which would terminate the application.</p>
@see ORowSetBase::notifyCancelInsert
*/
void fire();
};
} // end of namespace
#endif // DBACCESS_CORE_API_ROWSETBASE_HXX
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