sortresult.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */


#include <vector>
#include "sortresult.hxx"
#include <com/sun/star/sdbc/DataType.hpp>
#include <com/sun/star/sdbc/SQLException.hpp>
#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
#include <com/sun/star/ucb/ListActionType.hpp>
#include <com/sun/star/ucb/XAnyCompare.hpp>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/interfacecontainer.hxx>
#include <comphelper/interfacecontainer2.hxx>
#include <comphelper/multiinterfacecontainer2.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <tools/diagnose_ex.h>
#include <memory>

using namespace com::sun::star::beans;
using namespace com::sun::star::container;
using namespace com::sun::star::io;
using namespace com::sun::star::lang;
using namespace com::sun::star::sdbc;
using namespace com::sun::star::ucb;
using namespace com::sun::star::uno;
using namespace com::sun::star::util;
using namespace comphelper;
using namespace cppu;


//  The mutex to synchronize access to containers.
static osl::Mutex& getContainerMutex()
{
    static osl::Mutex ourMutex;

    return ourMutex;
}


struct SortInfo
{
    bool    mbUseOwnCompare;
    bool    mbAscending;
    bool    mbCaseSensitive;
    sal_Int32   mnColumn;
    sal_Int32   mnType;
    SortInfo*   mpNext;
    Reference < XAnyCompare >   mxCompareFunction;
};


struct SortListData
{
    bool        mbModified;
    sal_IntPtr  mnCurPos;
    sal_IntPtr  mnOldPos;

    explicit SortListData( sal_IntPtr nPos );
};




class SRSPropertySetInfo : public cppu::WeakImplHelper <
    XPropertySetInfo >
{
    Property    maProps[2];

private:

public:
                SRSPropertySetInfo();

    // XPropertySetInfo
    virtual Sequence< Property > SAL_CALL getProperties() override;
    virtual Property SAL_CALL getPropertyByName( const OUString& aName ) override;
    virtual sal_Bool SAL_CALL hasPropertyByName( const OUString& Name ) override;
};

typedef comphelper::OMultiTypeInterfaceContainerHelperVar2<OUString>
    PropertyChangeListenerContainer_Impl;

class PropertyChangeListeners_Impl : public PropertyChangeListenerContainer_Impl
{
public:
    PropertyChangeListeners_Impl()
    : PropertyChangeListenerContainer_Impl( getContainerMutex() ) {}
};


SortedResultSet::SortedResultSet( Reference< XResultSet > const & aResult )
{
    mpDisposeEventListeners = nullptr;
    mpPropChangeListeners   = nullptr;
    mpVetoChangeListeners   = nullptr;

    mxOriginal  = aResult;
    mpSortInfo  = nullptr;
    mnLastSort  = 0;
    mnCurEntry  = 0;
    mnCount     = 0;
    mbIsCopy    = false;
}


SortedResultSet::~SortedResultSet()
{
    mxOriginal.clear();
    mxOther.clear();

    if ( !mbIsCopy )
    {
        SortInfo *pInfo = mpSortInfo;
        while ( pInfo )
        {
            mpSortInfo = pInfo->mpNext;
            delete pInfo;
            pInfo = mpSortInfo;
        }
    }

    mpSortInfo = nullptr;

    mpPropSetInfo.clear();
}


// XServiceInfo methods.

OUString SAL_CALL SortedResultSet::getImplementationName()
{
    return "com.sun.star.comp.ucb.SortedResultSet";
}

sal_Bool SAL_CALL SortedResultSet::supportsService( const OUString& ServiceName )
{
    return cppu::supportsService( this, ServiceName );
}

css::uno::Sequence< OUString > SAL_CALL SortedResultSet::getSupportedServiceNames()
{
    return { RESULTSET_SERVICE_NAME };
}


// XComponent methods.

void SAL_CALL SortedResultSet::dispose()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( mpDisposeEventListeners && mpDisposeEventListeners->getLength() )
    {
        EventObject aEvt;
        aEvt.Source = static_cast< XComponent * >( this );
        mpDisposeEventListeners->disposeAndClear( aEvt );
    }

    if ( mpPropChangeListeners )
    {
        EventObject aEvt;
        aEvt.Source = static_cast< XPropertySet * >( this );
        mpPropChangeListeners->disposeAndClear( aEvt );
    }

    if ( mpVetoChangeListeners )
    {
        EventObject aEvt;
        aEvt.Source = static_cast< XPropertySet * >( this );
        mpVetoChangeListeners->disposeAndClear( aEvt );
    }

    mxOriginal.clear();
    mxOther.clear();
}


void SAL_CALL SortedResultSet::addEventListener(
                            const Reference< XEventListener >& Listener )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( !mpDisposeEventListeners )
        mpDisposeEventListeners =
                    new OInterfaceContainerHelper2( getContainerMutex() );

    mpDisposeEventListeners->addInterface( Listener );
}


void SAL_CALL SortedResultSet::removeEventListener(
                            const Reference< XEventListener >& Listener )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( mpDisposeEventListeners )
        mpDisposeEventListeners->removeInterface( Listener );
}


// XContentAccess methods.


OUString SAL_CALL
SortedResultSet::queryContentIdentifierString()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XContentAccess >::query(mxOriginal)->queryContentIdentifierString();
}


Reference< XContentIdentifier > SAL_CALL
SortedResultSet::queryContentIdentifier()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XContentAccess >::query(mxOriginal)->queryContentIdentifier();
}


Reference< XContent > SAL_CALL
SortedResultSet::queryContent()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XContentAccess >::query(mxOriginal)->queryContent();
}


// XResultSet methods.

sal_Bool SAL_CALL SortedResultSet::next()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    mnCurEntry++;

    if ( mnCurEntry > 0 )
    {
        if ( mnCurEntry <= mnCount )
        {
            sal_Int32 nIndex = maS2O[ mnCurEntry ];
            return mxOriginal->absolute( nIndex );
        }
        else
        {
            mnCurEntry = mnCount + 1;
        }
    }
    return false;
}


sal_Bool SAL_CALL SortedResultSet::isBeforeFirst()
{
    if ( mnCurEntry )
        return false;
    else
        return true;
}


sal_Bool SAL_CALL SortedResultSet::isAfterLast()
{
    if ( mnCurEntry > mnCount )
        return true;
    else
        return false;
}


sal_Bool SAL_CALL SortedResultSet::isFirst()
{
    if ( mnCurEntry == 1 )
        return true;
    else
        return false;
}


sal_Bool SAL_CALL SortedResultSet::isLast()
{
    if ( mnCurEntry == mnCount )
        return true;
    else
        return false;
}


void SAL_CALL SortedResultSet::beforeFirst()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    mnCurEntry = 0;
    mxOriginal->beforeFirst();
}


void SAL_CALL SortedResultSet::afterLast()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    mnCurEntry = mnCount+1;
    mxOriginal->afterLast();
}


sal_Bool SAL_CALL SortedResultSet::first()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( mnCount )
    {
        mnCurEntry = 1;
        sal_Int32 nIndex = maS2O[ mnCurEntry ];
        return mxOriginal->absolute( nIndex );
    }
    else
    {
        mnCurEntry = 0;
        return false;
    }
}


sal_Bool SAL_CALL SortedResultSet::last()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( mnCount )
    {
        mnCurEntry = mnCount;
        sal_Int32 nIndex = maS2O[ mnCurEntry ];
        return mxOriginal->absolute( nIndex );
    }
    else
    {
        mnCurEntry = 0;
        return false;
    }
}


sal_Int32 SAL_CALL SortedResultSet::getRow()
{
    return mnCurEntry;
}


sal_Bool SAL_CALL SortedResultSet::absolute( sal_Int32 row )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    sal_Int32 nIndex;

    if ( row > 0 )
    {
        if ( row <= mnCount )
        {
            mnCurEntry = row;
            nIndex = maS2O[ mnCurEntry ];
            return mxOriginal->absolute( nIndex );
        }
        else
        {
            mnCurEntry = mnCount + 1;
            return false;
        }
    }
    else if ( row == 0 )
    {
        throw SQLException();
    }
    else
    {
        if ( mnCount + row + 1 > 0 )
        {
            mnCurEntry = mnCount + row + 1;
            nIndex = maS2O[ mnCurEntry ];
            return mxOriginal->absolute( nIndex );
        }
        else
        {
            mnCurEntry = 0;
            return false;
        }
    }
}


sal_Bool SAL_CALL SortedResultSet::relative( sal_Int32 rows )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( ( mnCurEntry <= 0 ) || ( mnCurEntry > mnCount ) )
    {
        throw SQLException();
    }

    if ( rows == 0 )
        return true;

    sal_Int32 nTmp = mnCurEntry + rows;

    if ( nTmp <= 0 )
    {
        mnCurEntry = 0;
        return false;
    }
    else if ( nTmp > mnCount )
    {
        mnCurEntry = mnCount + 1;
        return false;
    }
    else
    {
        mnCurEntry = nTmp;
        nTmp = maS2O[ mnCurEntry ];
        return mxOriginal->absolute( nTmp );
    }
}


sal_Bool SAL_CALL SortedResultSet::previous()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    mnCurEntry -= 1;

    if ( mnCurEntry > 0 )
    {
        if ( mnCurEntry <= mnCount )
        {
            sal_Int32 nIndex = maS2O[ mnCurEntry ];
            return mxOriginal->absolute( nIndex );
        }
    }
    else
        mnCurEntry = 0;

    return false;
}


void SAL_CALL SortedResultSet::refreshRow()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( ( mnCurEntry <= 0 ) || ( mnCurEntry > mnCount ) )
    {
        throw SQLException();
    }

    mxOriginal->refreshRow();
}


sal_Bool SAL_CALL SortedResultSet::rowUpdated()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( ( mnCurEntry <= 0 ) || ( mnCurEntry > mnCount ) )
    {
        throw SQLException();
    }

    return mxOriginal->rowUpdated();
}


sal_Bool SAL_CALL SortedResultSet::rowInserted()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( ( mnCurEntry <= 0 ) || ( mnCurEntry > mnCount ) )
    {
        throw SQLException();
    }

    return mxOriginal->rowInserted();
}


sal_Bool SAL_CALL SortedResultSet::rowDeleted()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( ( mnCurEntry <= 0 ) || ( mnCurEntry > mnCount ) )
    {
        throw SQLException();
    }

    return mxOriginal->rowDeleted();
}


Reference< XInterface > SAL_CALL SortedResultSet::getStatement()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( ( mnCurEntry <= 0 ) || ( mnCurEntry > mnCount ) )
    {
        throw SQLException();
    }

    return mxOriginal->getStatement();
}


// XRow methods.


sal_Bool SAL_CALL SortedResultSet::wasNull()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->wasNull();
}


OUString SAL_CALL SortedResultSet::getString( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getString( columnIndex );
}


sal_Bool SAL_CALL SortedResultSet::getBoolean( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getBoolean( columnIndex );
}


sal_Int8 SAL_CALL SortedResultSet::getByte( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getByte( columnIndex );
}


sal_Int16 SAL_CALL SortedResultSet::getShort( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getShort( columnIndex );
}


sal_Int32 SAL_CALL SortedResultSet::getInt( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getInt( columnIndex );
}

sal_Int64 SAL_CALL SortedResultSet::getLong( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getLong( columnIndex );
}


float SAL_CALL SortedResultSet::getFloat( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getFloat( columnIndex );
}


double SAL_CALL SortedResultSet::getDouble( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getDouble( columnIndex );
}


Sequence< sal_Int8 > SAL_CALL SortedResultSet::getBytes( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getBytes( columnIndex );
}


Date SAL_CALL SortedResultSet::getDate( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getDate( columnIndex );
}


Time SAL_CALL SortedResultSet::getTime( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getTime( columnIndex );
}


DateTime SAL_CALL SortedResultSet::getTimestamp( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getTimestamp( columnIndex );
}


Reference< XInputStream > SAL_CALL
SortedResultSet::getBinaryStream( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getBinaryStream( columnIndex );
}


Reference< XInputStream > SAL_CALL
SortedResultSet::getCharacterStream( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getCharacterStream( columnIndex );
}


Any SAL_CALL SortedResultSet::getObject( sal_Int32 columnIndex,
                       const Reference< XNameAccess >& typeMap )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getObject( columnIndex,
                                                            typeMap);
}


Reference< XRef > SAL_CALL SortedResultSet::getRef( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getRef( columnIndex );
}


Reference< XBlob > SAL_CALL SortedResultSet::getBlob( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getBlob( columnIndex );
}


Reference< XClob > SAL_CALL SortedResultSet::getClob( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getClob( columnIndex );
}


Reference< XArray > SAL_CALL SortedResultSet::getArray( sal_Int32 columnIndex )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XRow >::query(mxOriginal)->getArray( columnIndex );
}


// XCloseable methods.


void SAL_CALL SortedResultSet::close()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    Reference< XCloseable >::query(mxOriginal)->close();
}


// XResultSetMetaDataSupplier methods.


Reference< XResultSetMetaData > SAL_CALL SortedResultSet::getMetaData()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );
    return Reference< XResultSetMetaDataSupplier >::query(mxOriginal)->getMetaData();
}


// XPropertySet methods.


Reference< XPropertySetInfo > SAL_CALL
SortedResultSet::getPropertySetInfo()
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( !mpPropSetInfo.is() )
    {
        mpPropSetInfo = new SRSPropertySetInfo();
    }

    return mpPropSetInfo;
}


void SAL_CALL SortedResultSet::setPropertyValue(
                        const OUString& PropertyName,
                        const Any& )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( PropertyName == "RowCount" || PropertyName == "IsRowCountFinal" )
        throw IllegalArgumentException();
    else
        throw UnknownPropertyException(PropertyName);
}


Any SAL_CALL SortedResultSet::getPropertyValue( const OUString& PropertyName )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    Any aRet;

    if ( PropertyName == "RowCount" )
    {
        aRet <<= maS2O.Count();
    }
    else if ( PropertyName == "IsRowCountFinal" )
    {
        bool    bOrgFinal = false;
        Any         aOrgRet;

        aRet <<= false;

        aOrgRet = Reference< XPropertySet >::query(mxOriginal)->
                        getPropertyValue( PropertyName );
        aOrgRet >>= bOrgFinal;

        if ( bOrgFinal )
        {
            aOrgRet = Reference< XPropertySet >::query(mxOriginal)->
                getPropertyValue("RowCount");
            sal_uInt32  nOrgCount = 0;
            aOrgRet >>= nOrgCount;
            if ( nOrgCount == maS2O.Count() )
                aRet <<= true;
        }
    }
    else
        throw UnknownPropertyException(PropertyName);

    return aRet;
}


void SAL_CALL SortedResultSet::addPropertyChangeListener(
                        const OUString& PropertyName,
                        const Reference< XPropertyChangeListener >& Listener )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( !mpPropChangeListeners )
        mpPropChangeListeners.reset(
                    new PropertyChangeListeners_Impl() );

    mpPropChangeListeners->addInterface( PropertyName, Listener );
}


void SAL_CALL SortedResultSet::removePropertyChangeListener(
                        const OUString& PropertyName,
                        const Reference< XPropertyChangeListener >& Listener )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( mpPropChangeListeners )
        mpPropChangeListeners->removeInterface( PropertyName, Listener );
}


void SAL_CALL SortedResultSet::addVetoableChangeListener(
                        const OUString& PropertyName,
                        const Reference< XVetoableChangeListener >& Listener )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( !mpVetoChangeListeners )
        mpVetoChangeListeners.reset(
                    new PropertyChangeListeners_Impl() );

    mpVetoChangeListeners->addInterface( PropertyName, Listener );
}


void SAL_CALL SortedResultSet::removeVetoableChangeListener(
                        const OUString& PropertyName,
                        const Reference< XVetoableChangeListener >& Listener )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( mpVetoChangeListeners )
        mpVetoChangeListeners->removeInterface( PropertyName, Listener );
}


// private methods

sal_Int32 SortedResultSet::CompareImpl( const Reference < XResultSet >& xResultOne,
                                   const Reference < XResultSet >& xResultTwo,
                                   sal_Int32 nIndexOne, sal_Int32 nIndexTwo,
                                   SortInfo const * pSortInfo )
{
    Reference < XRow > xRowOne( xResultOne, UNO_QUERY );
    Reference < XRow > xRowTwo( xResultTwo, UNO_QUERY );

    sal_IntPtr nCompare = 0;
    sal_Int32 nColumn = pSortInfo->mnColumn;

    switch ( pSortInfo->mnType )
    {
        case DataType::BIT :
        case DataType::TINYINT :
        case DataType::SMALLINT :
        case DataType::INTEGER :
            {
                sal_Int32 aOne = 0;
                sal_Int32 aTwo = 0;

                if ( xResultOne->absolute( nIndexOne ) )
                    aOne = xRowOne->getInt( nColumn );
                if ( xResultTwo->absolute( nIndexTwo ) )
                    aTwo = xRowTwo->getInt( nColumn );

                if ( aOne < aTwo )
                    nCompare = -1;
                else if ( aOne == aTwo )
                    nCompare = 0;
                else
                    nCompare = 1;

                break;
            }
        case DataType::BIGINT :
            {
                sal_Int64 aOne = 0;
                sal_Int64 aTwo = 0;

                if ( xResultOne->absolute( nIndexOne ) )
                    aOne = xRowOne->getLong( nColumn );
                if ( xResultTwo->absolute( nIndexTwo ) )
                    aTwo = xRowTwo->getLong( nColumn );

                if ( aOne < aTwo )
                    nCompare = -1;
                else if ( aOne == aTwo )
                    nCompare = 0;
                else
                    nCompare = 1;

                break;
            }
        case DataType::CHAR :
        case DataType::VARCHAR :
        case DataType::LONGVARCHAR :
            {
                OUString aOne, aTwo;

                if ( xResultOne->absolute( nIndexOne ) )
                    aOne = xRowOne->getString( nColumn );
                if ( xResultTwo->absolute( nIndexTwo ) )
                    aTwo = xRowTwo->getString( nColumn );

                if ( ! pSortInfo->mbCaseSensitive )
                {
                    aOne = aOne.toAsciiLowerCase();
                    aTwo = aTwo.toAsciiLowerCase();
                }

                nCompare = aOne.compareTo( aTwo );
                break;
            }
        case DataType::DATE :
            {
                Date aOne, aTwo;
                sal_Int32   nTmp;

                if ( xResultOne->absolute( nIndexOne ) )
                    aOne = xRowOne->getDate( nColumn );
                if ( xResultTwo->absolute( nIndexTwo ) )
                    aTwo = xRowTwo->getDate( nColumn );

                nTmp = static_cast<sal_Int32>(aTwo.Year) - static_cast<sal_Int32>(aOne.Year);
                if ( !nTmp ) {
                    nTmp = static_cast<sal_Int32>(aTwo.Month) - static_cast<sal_Int32>(aOne.Month);
                    if ( !nTmp )
                        nTmp = static_cast<sal_Int32>(aTwo.Day) - static_cast<sal_Int32>(aOne.Day);
                }

                if ( nTmp < 0 )
                    nCompare = -1;
                else if ( nTmp == 0 )
                    nCompare = 0;
                else
                    nCompare = 1;

                break;
            }
        case DataType::TIME :
            {
                Time aOne, aTwo;
                sal_Int32   nTmp;

                if ( xResultOne->absolute( nIndexOne ) )
                    aOne = xRowOne->getTime( nColumn );
                if ( xResultTwo->absolute( nIndexTwo ) )
                    aTwo = xRowTwo->getTime( nColumn );

                nTmp = static_cast<sal_Int32>(aTwo.Hours) - static_cast<sal_Int32>(aOne.Hours);
                if ( !nTmp )
                    nTmp = static_cast<sal_Int32>(aTwo.Minutes) - static_cast<sal_Int32>(aOne.Minutes);
                if ( !nTmp )
                    nTmp = static_cast<sal_Int32>(aTwo.Seconds) - static_cast<sal_Int32>(aOne.Seconds);
                if ( !nTmp )
                    nTmp = static_cast<sal_Int32>(aTwo.NanoSeconds)
                                    - static_cast<sal_Int32>(aOne.NanoSeconds);

                if ( nTmp < 0 )
                    nCompare = -1;
                else if ( nTmp == 0 )
                    nCompare = 0;
                else
                    nCompare = 1;

                break;
            }
        case DataType::TIMESTAMP :
            {
                DateTime aOne, aTwo;
                sal_Int32   nTmp;

                if ( xResultOne->absolute( nIndexOne ) )
                    aOne = xRowOne->getTimestamp( nColumn );
                if ( xResultTwo->absolute( nIndexTwo ) )
                    aTwo = xRowTwo->getTimestamp( nColumn );

                nTmp = static_cast<sal_Int32>(aTwo.Year) - static_cast<sal_Int32>(aOne.Year);
                if ( !nTmp )
                    nTmp = static_cast<sal_Int32>(aTwo.Month) - static_cast<sal_Int32>(aOne.Month);
                if ( !nTmp )
                    nTmp = static_cast<sal_Int32>(aTwo.Day) - static_cast<sal_Int32>(aOne.Day);
                if ( !nTmp )
                    nTmp = static_cast<sal_Int32>(aTwo.Hours) - static_cast<sal_Int32>(aOne.Hours);
                if ( !nTmp )
                    nTmp = static_cast<sal_Int32>(aTwo.Minutes) - static_cast<sal_Int32>(aOne.Minutes);
                if ( !nTmp )
                    nTmp = static_cast<sal_Int32>(aTwo.Seconds) - static_cast<sal_Int32>(aOne.Seconds);
                if ( !nTmp )
                    nTmp = static_cast<sal_Int32>(aTwo.NanoSeconds)
                                    - static_cast<sal_Int32>(aOne.NanoSeconds);

                if ( nTmp < 0 )
                    nCompare = -1;
                else if ( nTmp == 0 )
                    nCompare = 0;
                else
                    nCompare = 1;

                break;
            }
        case DataType::REAL :
            {
                float aOne = 0;
                float aTwo = 0;

                if ( xResultOne->absolute( nIndexOne ) )
                    aOne = xRowOne->getFloat( nColumn );
                if ( xResultTwo->absolute( nIndexTwo ) )
                    aTwo = xRowTwo->getFloat( nColumn );

                if ( aOne < aTwo )
                    nCompare = -1;
                else if ( aOne == aTwo )
                    nCompare = 0;
                else
                    nCompare = 1;

                break;
            }
        case DataType::FLOAT :
        case DataType::DOUBLE :
            {
                double aOne = 0;
                double aTwo = 0;

                if ( xResultOne->absolute( nIndexOne ) )
                    aOne = xRowOne->getDouble( nColumn );
                if ( xResultTwo->absolute( nIndexTwo ) )
                    aTwo = xRowTwo->getDouble( nColumn );

                if ( aOne < aTwo )
                    nCompare = -1;
                else if ( aOne == aTwo )
                    nCompare = 0;
                else
                    nCompare = 1;

                break;
            }
        default:
            {
                OSL_FAIL( "DataType not supported for compare!" );
            }
    }

    return nCompare;
}


sal_Int32 SortedResultSet::CompareImpl( const Reference < XResultSet >& xResultOne,
                                   const Reference < XResultSet >& xResultTwo,
                                   sal_Int32 nIndexOne, sal_Int32 nIndexTwo )
{
    sal_IntPtr  nCompare = 0;
    SortInfo*   pInfo = mpSortInfo;

    while ( !nCompare && pInfo )
    {
        if ( pInfo->mbUseOwnCompare )
        {
            nCompare = CompareImpl( xResultOne, xResultTwo,
                                    nIndexOne, nIndexTwo, pInfo );
        }
        else
        {
            Any aOne, aTwo;

            Reference < XRow > xRowOne =
                            Reference< XRow >::query( xResultOne );
            Reference < XRow > xRowTwo =
                            Reference< XRow >::query( xResultTwo );

            if ( xResultOne->absolute( nIndexOne ) )
                aOne = xRowOne->getObject( pInfo->mnColumn, nullptr );
            if ( xResultTwo->absolute( nIndexTwo ) )
                aTwo = xRowTwo->getObject( pInfo->mnColumn, nullptr );

            nCompare = pInfo->mxCompareFunction->compare( aOne, aTwo );
        }

        if ( ! pInfo->mbAscending )
            nCompare = - nCompare;

        pInfo = pInfo->mpNext;
    }

    return nCompare;
}


sal_Int32 SortedResultSet::Compare( SortListData const *pOne,
                               SortListData const *pTwo )
{
    sal_IntPtr nIndexOne;
    sal_IntPtr nIndexTwo;

    Reference < XResultSet > xResultOne;
    Reference < XResultSet > xResultTwo;

    if ( pOne->mbModified )
    {
        xResultOne = mxOther;
        nIndexOne = pOne->mnOldPos;
    }
    else
    {
        xResultOne = mxOriginal;
        nIndexOne = pOne->mnCurPos;
    }

    if ( pTwo->mbModified )
    {
        xResultTwo = mxOther;
        nIndexTwo = pTwo->mnOldPos;
    }
    else
    {
        xResultTwo = mxOriginal;
        nIndexTwo = pTwo->mnCurPos;
    }

    sal_IntPtr nCompare;
    nCompare = CompareImpl( xResultOne, xResultTwo,
                            nIndexOne, nIndexTwo );
    return nCompare;
}


sal_Int32 SortedResultSet::FindPos( SortListData const *pEntry,
                               sal_IntPtr _nStart, sal_IntPtr _nEnd )
{
    if ( _nStart > _nEnd )
        return _nStart + 1;

    sal_IntPtr nStart = _nStart;
    sal_IntPtr nEnd   = _nEnd;
    sal_IntPtr nMid = 0, nCompare = 0;


    while ( nStart <= nEnd )
    {
        nMid = ( nEnd - nStart ) / 2 + nStart;
        SortListData *pMid = maS2O.GetData( nMid );
        nCompare = Compare( pEntry, pMid );

        if ( !nCompare )
            nCompare = (pEntry != pMid) ? ((pEntry < pMid) ? -1 : 1) : 0;

        if ( nCompare < 0 ) // pEntry < pMid
            nEnd = nMid - 1;
        else
            nStart = nMid + 1;
    }

    if ( nCompare < 0 )     // pEntry < pMid
        return nMid;
    else
        return nMid+1;
}


void SortedResultSet::PropertyChanged( const PropertyChangeEvent& rEvt )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( !mpPropChangeListeners )
        return;

    // Notify listeners interested especially in the changed property.
    OInterfaceContainerHelper2* pPropsContainer =
            mpPropChangeListeners->getContainer( rEvt.PropertyName );
    if ( pPropsContainer )
    {
        OInterfaceIteratorHelper2 aIter( *pPropsContainer );
        while ( aIter.hasMoreElements() )
        {
            static_cast< XPropertyChangeListener* >( aIter.next() )->propertyChange( rEvt );
        }
    }

    // Notify listeners interested in all properties.
    pPropsContainer = mpPropChangeListeners->getContainer( OUString() );
    if ( pPropsContainer )
    {
        OInterfaceIteratorHelper2 aIter( *pPropsContainer );
        while ( aIter.hasMoreElements() )
        {
            static_cast< XPropertyChangeListener* >( aIter.next() )->propertyChange( rEvt );
        }
    }
}


// public methods


void SortedResultSet::CopyData( SortedResultSet *pSource )
{
    const SortedEntryList& rSrcS2O = pSource->maS2O;

    sal_IntPtr i, nCount;

    maS2O.Clear();
    m_O2S.clear();
    m_ModList.clear();

    maS2O.Insert( nullptr, 0 );
    m_O2S.push_back(0);

    nCount = rSrcS2O.Count();

    for ( i=1; i<nCount; i++ )
    {
        maS2O.Insert( std::unique_ptr<SortListData>(new SortListData( rSrcS2O[ i ] )), i );
        m_O2S.push_back(pSource->m_O2S[i]);
    }

    mnLastSort = maS2O.Count();
    mxOther = pSource->mxOriginal;

    if ( !mpSortInfo )
    {
        mpSortInfo = pSource->mpSortInfo;
        mbIsCopy = true;
    }
}


void SortedResultSet::Initialize(
                const Sequence < NumberedSortingInfo > &xSortInfo,
                const Reference< XAnyCompareFactory > &xCompFactory )
{
    BuildSortInfo( mxOriginal, xSortInfo, xCompFactory );
    // Insert dummy at pos 0
    maS2O.Insert( std::unique_ptr<SortListData>(new SortListData( 0 )), 0 );

    sal_IntPtr nIndex = 1;

    // now fetch all the elements from the original result set,
    // get there new position in the sorted result set and insert
    // an entry in the sorted to original mapping list
    try {
        while ( mxOriginal->absolute( nIndex ) )
        {
            std::unique_ptr<SortListData> pData(new SortListData( nIndex ));
            sal_IntPtr nPos   = FindPos( pData.get(), 1, nIndex-1 );

            maS2O.Insert( std::move(pData), nPos );

            nIndex++;
        }
    }
    catch (const SQLException&)
    {
        TOOLS_WARN_EXCEPTION("ucb", "");
    }

    // when we have fetched all the elements, we can create the
    // original to sorted mapping list from the s2o list
    m_O2S.clear();
    m_O2S.push_back(0);

    // insert some dummy entries first and replace then
    // the entries with the right ones
    size_t i;

    for ( i=1; i<maS2O.Count(); i++ )
        m_O2S.push_back(0);
    for ( i=1; i<maS2O.Count(); i++ )
        m_O2S[maS2O[i]] = i;

    mnCount = maS2O.Count() - 1;
}


void SortedResultSet::CheckProperties( sal_Int32 nOldCount, bool bWasFinal )
{
    osl::Guard< osl::Mutex > aGuard( maMutex );

    if ( !mpPropChangeListeners )
        return;

    try {
        // check for propertyChangeEvents
        if ( nOldCount != GetCount() )
        {
            bool bIsFinal = false;
            PropertyChangeEvent aEvt;

            aEvt.PropertyName = "RowCount";
            aEvt.Further = false;
            aEvt.PropertyHandle = -1;
            aEvt.OldValue <<= nOldCount;
            aEvt.NewValue <<= GetCount();

            PropertyChanged( aEvt );

            OUString aName = "IsRowCountFinal";
            Any aRet = getPropertyValue( aName );
            if ( (aRet >>= bIsFinal) && bIsFinal != bWasFinal )
            {
                aEvt.PropertyName = aName;
                aEvt.Further = false;
                aEvt.PropertyHandle = -1;
                aEvt.OldValue <<= bWasFinal;
                aEvt.NewValue <<= bIsFinal;
                PropertyChanged( aEvt );
            }
        }
    }
    catch (const UnknownPropertyException&) {}
    catch (const WrappedTargetException&) {}
}


void SortedResultSet::InsertNew( sal_Int32 nPos, sal_Int32 nCount )
{
    // for all entries in the msS20-list, which are >= nPos, increase by nCount
    sal_IntPtr      i, nEnd;

    nEnd = maS2O.Count();
    for ( i=1; i<=nEnd; i++ )
    {
        SortListData *pData = maS2O.GetData( i );
        if ( pData->mnCurPos >= nPos )
        {
            pData->mnCurPos += nCount;
        }
    }

    // and append the new entries at the end of the maS2O-list or insert at the
    // position nPos in the maS2O-list
    for ( i=0; i<nCount; i++ )
    {
        nEnd += 1;
        std::unique_ptr<SortListData> pData(new SortListData( nEnd ));

        maS2O.Insert( std::move(pData), nEnd );    // Insert( Value, Position )
        m_O2S.insert(m_O2S.begin() + nPos + i, nEnd);
    }

    mnCount += nCount;
}


void SortedResultSet::Remove( sal_Int32 nPos, sal_Int32 nCount, EventList *pEvents )
{
    sal_IntPtr        nOldLastSort;

    // correct mnLastSort first
    nOldLastSort = mnLastSort;
    if ( nPos <= mnLastSort )
    {
        if ( nPos + nCount - 1 <= mnLastSort )
            mnLastSort -= nCount;
        else
            mnLastSort = nPos - 1;
    }

    // remove the entries from the lists and correct the positions
    // in the original2sorted list
    for ( sal_IntPtr i=0; i < nCount; i++ )
    {
        sal_IntPtr nSortPos = m_O2S[nPos];
        m_O2S.erase(m_O2S.begin() + nPos);

        for (size_t j=1; j < m_O2S.size(); ++j)
        {
            sal_IntPtr nVal = m_O2S[j];
            if ( nVal > nSortPos )
            {
                --nVal;
                m_O2S[j] = nVal;
            }
        }

        std::unique_ptr<SortListData> pData = maS2O.Remove( nSortPos );
        if ( pData->mbModified )
            m_ModList.erase(std::find(m_ModList.begin(), m_ModList.end(), pData.get()));

        // generate remove Event, but not for new entries
        if ( nSortPos <= nOldLastSort )
            pEvents->AddEvent( ListActionType::REMOVED, nSortPos );
    }

    // correct the positions in the sorted list
    for ( sal_uInt32 i=1; i<= maS2O.Count(); i++ )
    {
        SortListData *pData = maS2O.GetData( i );
        if ( pData->mnCurPos > nPos )
            pData->mnCurPos -= nCount;
    }

    mnCount -= nCount;
}


void SortedResultSet::Move( sal_Int32 nPos, sal_Int32 nCount, sal_Int32 nOffset )
{
    if ( !nOffset )
        return;

    sal_IntPtr i, nSortPos, nTo;
    SortListData *pData;

    for ( i=0; i<nCount; i++ )
    {
        nSortPos = m_O2S[nPos + i];
        pData = maS2O.GetData( nSortPos );
        pData->mnCurPos += nOffset;
    }

    if ( nOffset < 0 )
    {
        for ( i=nPos+nOffset; i<nPos; i++ )
        {
            nSortPos = m_O2S[i];
            pData = maS2O.GetData( nSortPos );
            pData->mnCurPos += nCount;
        }
    }
    else
    {
        sal_IntPtr nStart = nPos + nCount;
        sal_IntPtr nEnd = nStart + nOffset;
        for ( i=nStart; i<nEnd; i++ )
        {
            nSortPos = m_O2S[i];
            pData = maS2O.GetData( nSortPos );
            pData->mnCurPos -= nCount;
        }
    }

    // remember the to be moved entries
    std::unique_ptr<sal_IntPtr[]> pTmpArr(new sal_IntPtr[ nCount ]);
    for ( i=0; i<nCount; i++ )
        pTmpArr[i] = m_O2S[nPos + i];

    // now move the entries, which are in the way
    if ( nOffset < 0 )
    {
        // be carefully here, because nOffset is negative here, so an
        // addition is a subtraction
        sal_IntPtr nFrom = nPos - 1;
        nTo = nPos + nCount - 1;

        // same for i here
        for ( i=0; i>nOffset; i-- )
        {
            sal_IntPtr const nVal = m_O2S[nFrom + i];
            m_O2S[nTo + i] = nVal;
        }

    }
    else
    {
        sal_IntPtr nStart = nPos + nCount;
        for ( i=0; i<nOffset; i++ )
        {
            sal_IntPtr const nVal = m_O2S[nStart + i];
            m_O2S[nPos + i] = nVal;
        }
    }

    // finally put the remembered entries at their new location
    nTo = nPos + nOffset;
    for ( i=0; i<nCount; i++ )
    {
        m_O2S[nTo + i] = pTmpArr[i];
    }
}


void SortedResultSet::BuildSortInfo(
                const Reference< XResultSet >& aResult,
                const Sequence < NumberedSortingInfo > &xSortInfo,
                const Reference< XAnyCompareFactory > &xCompFactory )
{
    Reference < XResultSetMetaDataSupplier > xMeta ( aResult, UNO_QUERY );

    if ( ! xMeta.is() )
    {
        OSL_FAIL( "No MetaData, No Sorting!" );
        return;
    }

    Reference < XResultSetMetaData > xData = xMeta->getMetaData();
    const NumberedSortingInfo *pSortInfo = xSortInfo.getConstArray();

    sal_Int32   nColumn;
    OUString    aPropName;
    SortInfo    *pInfo;

    for ( sal_Int32 i=xSortInfo.getLength(); i > 0; )
    {
        --i;
        nColumn = pSortInfo[ i ].ColumnIndex;
        aPropName = xData->getColumnName( nColumn );
        pInfo = new SortInfo;

        if ( xCompFactory.is() )
            pInfo->mxCompareFunction = xCompFactory->createAnyCompareByName(
                                            aPropName );

        if ( pInfo->mxCompareFunction.is() )
        {
            pInfo->mbUseOwnCompare = false;
            pInfo->mnType = 0;
        }
        else
        {
            pInfo->mbUseOwnCompare = true;
            pInfo->mnType = xData->getColumnType( nColumn );
        }

        pInfo->mnColumn = nColumn;
        pInfo->mbAscending = pSortInfo[ i ].Ascending;
        pInfo->mbCaseSensitive = xData->isCaseSensitive( nColumn );
        pInfo->mpNext = mpSortInfo;
        mpSortInfo = pInfo;
    }
}


void SortedResultSet::SetChanged( sal_Int32 nPos, sal_Int32 nCount )
{
    for ( sal_IntPtr i=0; i<nCount; i++ )
    {
        sal_IntPtr const nSortPos = m_O2S[nPos];
        if ( nSortPos < mnLastSort )
        {
            SortListData *pData = maS2O.GetData( nSortPos );
            if ( ! pData->mbModified )
            {
                pData->mbModified = true;
                m_ModList.push_back(pData);
            }
        }
        nPos += 1;
    }
}


void SortedResultSet::ResortModified( EventList* pList )
{
    sal_IntPtr nCompare, nCurPos, nNewPos;
    sal_IntPtr nStart, nEnd, nOffset, nVal;

    try {
        for (size_t i = 0; i < m_ModList.size(); ++i)
        {
            SortListData *const pData = m_ModList[i];
            nCompare = CompareImpl( mxOther, mxOriginal,
                                    pData->mnOldPos, pData->mnCurPos );
            pData->mbModified = false;
            if ( nCompare != 0 )
            {
                nCurPos = m_O2S[pData->mnCurPos];
                if ( nCompare < 0 )
                {
                    nNewPos = FindPos( pData, 1, nCurPos-1 );
                    nStart = nNewPos;
                    nEnd = nCurPos;
                    nOffset = 1;
                }
                else
                {
                    nNewPos = FindPos( pData, nCurPos+1, mnLastSort );
                    nStart = nCurPos;
                    nEnd = mnLastSort;
                    nOffset = -1;
                }

                if ( nNewPos != nCurPos )
                {
                    // correct the lists!
                    maS2O.Move( static_cast<sal_uInt32>(nCurPos), nNewPos );
                    for (size_t j = 1; j < m_O2S.size(); ++j)
                    {
                        nVal = m_O2S[j];
                        if ( ( nStart <= nVal ) && ( nVal <= nEnd ) )
                        {
                            nVal += nOffset;
                            m_O2S[j] = nVal;
                        }
                    }

                    m_O2S[pData->mnCurPos] = nNewPos;

                    ListAction aAction;
                    aAction.Position = nCurPos;
                    aAction.Count = 1;
                    aAction.ListActionType = ListActionType::MOVED;
                    aAction.ActionInfo <<= nNewPos-nCurPos;
                    pList->Insert( aAction );
                }
                pList->AddEvent( ListActionType::PROPERTIES_CHANGED, nNewPos );
            }
        }
    }
    catch (const SQLException&)
    {
        TOOLS_WARN_EXCEPTION("ucb", "");
    }

    m_ModList.clear();
}


void SortedResultSet::ResortNew( EventList* pList )
{
    sal_IntPtr            i, nNewPos, nVal;

    try {
        for ( i = mnLastSort; i<static_cast<sal_IntPtr>(maS2O.Count()); i++ )
        {
            SortListData *const pData = m_ModList[i];
            nNewPos = FindPos( pData, 1, mnLastSort );
            if ( nNewPos != i )
            {
                maS2O.Move( static_cast<sal_uInt32>(i), nNewPos );
                for (size_t j=1; j< m_O2S.size(); ++j)
                {
                    nVal = m_O2S[j];
                    if ( nVal >= nNewPos )
                        m_O2S[j] = nVal + 1;
                }
                m_O2S[pData->mnCurPos] = nNewPos;
            }
            mnLastSort++;
            pList->AddEvent( ListActionType::INSERTED, nNewPos );
        }
    }
    catch (const SQLException&)
    {
        TOOLS_WARN_EXCEPTION("ucb", "");
    }
}


// SortListData


SortListData::SortListData( sal_IntPtr nPos )
    : mbModified(false)
    , mnCurPos(nPos)
    , mnOldPos(nPos)
{
};

SortedEntryList::SortedEntryList()
{
}

SortedEntryList::~SortedEntryList()
{
}

void SortedEntryList::Clear()
{
    maData.clear();
}


void SortedEntryList::Insert( std::unique_ptr<SortListData> pEntry, sal_Int32 nPos )
{
    if ( nPos < static_cast<sal_IntPtr>(maData.size()) )
        maData.insert( maData.begin() + nPos, std::move(pEntry) );
    else
        maData.push_back( std::move(pEntry) );
}

void SortedEntryList::Move( sal_Int32 nOldPos, sal_Int32 nNewPos )
{
    auto p = std::move(maData[nOldPos]);
    maData.erase( maData.begin() + nOldPos );
    maData.insert(maData.begin() + nNewPos, std::move(p));
}

std::unique_ptr<SortListData> SortedEntryList::Remove( sal_Int32 nPos )
{
    std::unique_ptr<SortListData> pData;

    if ( nPos < static_cast<sal_IntPtr>(maData.size()) )
    {
        pData = std::move(maData[ nPos ]);
        maData.erase( maData.begin() + nPos );
    }

    return pData;
}


SortListData* SortedEntryList::GetData( sal_Int32 nPos )
{
    SortListData *pData;

    if ( nPos < static_cast<sal_IntPtr>(maData.size()) )
        pData = maData[ nPos ].get();
    else
        pData = nullptr;

    return pData;
}


sal_Int32 SortedEntryList::operator [] ( sal_Int32 nPos ) const
{
    SortListData *pData;

    if ( nPos < static_cast<sal_IntPtr>(maData.size()) )
        pData = maData[ nPos ].get();
    else
        pData = nullptr;

    if ( pData )
        if ( ! pData->mbModified )
            return pData->mnCurPos;
        else
        {
            OSL_FAIL( "SortedEntryList: Can't get value for modified entry!");
            return 0;
        }
    else
    {
        OSL_FAIL( "SortedEntryList: invalid pos!");
        return 0;
    }
}


SRSPropertySetInfo::SRSPropertySetInfo()
{
    maProps[0].Name = "RowCount";
    maProps[0].Handle = -1;
    maProps[0].Type = cppu::UnoType<OUString>::get();
    maProps[0].Attributes = -1;

    maProps[1].Name = "IsRowCountFinal";
    maProps[1].Handle = -1;
    maProps[1].Type = cppu::UnoType<bool>::get();
    maProps[1].Attributes = -1;
}

// XPropertySetInfo methods.

Sequence< Property > SAL_CALL
SRSPropertySetInfo::getProperties()
{
    return Sequence < Property > ( maProps, 2 );
}


Property SAL_CALL
SRSPropertySetInfo::getPropertyByName( const OUString& Name )
{
    if ( Name == "RowCount" )
        return maProps[0];
    else if ( Name == "IsRowCountFinal" )
        return maProps[1];
    else
        throw UnknownPropertyException(Name);
}


sal_Bool SAL_CALL
SRSPropertySetInfo::hasPropertyByName( const OUString& Name )
{
    if ( Name == "RowCount" )
        return true;
    else if ( Name == "IsRowCountFinal" )
        return true;
    else
        return false;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */