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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 "RowSetBase.hxx"
#include "CRowSetDataColumn.hxx"
#include <connectivity/sdbcx/VCollection.hxx>
#include "RowSetCache.hxx"
#include <stringconstants.hxx>
#include <sal/log.hxx>
#include <core_resource.hxx>
#include <strings.hrc>
#include <strings.hxx>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/sdbcx/CompareBookmark.hpp>
#include <com/sun/star/sdbc/ResultSetConcurrency.hpp>
#include <com/sun/star/lang/Locale.hpp>
#include <com/sun/star/util/NumberFormat.hpp>
#include <comphelper/sequence.hxx>
#include <comphelper/seqstream.hxx>
#include <connectivity/dbexception.hxx>
#include <tools/debug.hxx>
using namespace dbaccess;
using namespace connectivity;
using namespace connectivity::sdbcx;
using namespace comphelper;
using namespace dbtools;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdb;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::util;
using namespace ::cppu;
using namespace ::osl;
namespace dbaccess
{
// OEmptyCollection
class OEmptyCollection : public sdbcx::OCollection
{
protected:
virtual void impl_refresh() override;
virtual connectivity::sdbcx::ObjectType createObject(const OUString& _rName) override;
public:
OEmptyCollection(::cppu::OWeakObject& _rParent,::osl::Mutex& _rMutex) : OCollection(_rParent, true, _rMutex, std::vector< OUString>()){}
};
void OEmptyCollection::impl_refresh()
{
}
connectivity::sdbcx::ObjectType OEmptyCollection::createObject(const OUString& /*_rName*/)
{
return connectivity::sdbcx::ObjectType();
}
// ORowSetBase
ORowSetBase::ORowSetBase( const Reference<XComponentContext>& _rContext, ::cppu::OBroadcastHelper& _rBHelper, ::osl::Mutex* _pMutex )
:OPropertyStateContainer(_rBHelper)
,m_pMutex(_pMutex)
,m_pMySelf(nullptr)
,m_pCache(nullptr)
,m_rBHelper(_rBHelper)
,m_aContext( _rContext )
,m_nLastColumnIndex(-1)
,m_nDeletedPosition(-1)
,m_nResultSetType( ResultSetType::FORWARD_ONLY )
,m_nResultSetConcurrency( ResultSetConcurrency::READ_ONLY )
,m_bClone(false)
,m_bIgnoreResult(false)
,m_bBeforeFirst(true) // changed from sal_False
,m_bAfterLast(false)
,m_bIsInsertRow(false)
{
sal_Int32 nRBT = PropertyAttribute::READONLY | PropertyAttribute::BOUND | PropertyAttribute::TRANSIENT;
registerPropertyNoMember( PROPERTY_ROWCOUNT, PROPERTY_ID_ROWCOUNT, nRBT, cppu::UnoType<sal_Int32>::get(), css::uno::makeAny<sal_Int32>(0) );
registerPropertyNoMember( PROPERTY_ISROWCOUNTFINAL, PROPERTY_ID_ISROWCOUNTFINAL, nRBT, cppu::UnoType<bool>::get(), css::uno::Any(false) );
}
ORowSetBase::~ORowSetBase()
{
if(m_pColumns)
{
TDataColumns().swap(m_aDataColumns);
m_pColumns->acquire();
m_pColumns->disposing();
}
}
// css::lang::XTypeProvider
Sequence< Type > ORowSetBase::getTypes()
{
return ::comphelper::concatSequences(ORowSetBase_BASE::getTypes(),OPropertyStateContainer::getTypes());
}
// css::uno::XInterface
Any ORowSetBase::queryInterface( const Type & rType )
{
Any aRet = ORowSetBase_BASE::queryInterface(rType);
if(!aRet.hasValue())
aRet = OPropertyStateContainer::queryInterface(rType);
return aRet;
}
void SAL_CALL ORowSetBase::getFastPropertyValue(Any& rValue,sal_Int32 nHandle) const
{
if(m_pCache)
{
switch(nHandle)
{
case PROPERTY_ID_ROWCOUNT:
rValue <<= impl_getRowCount();
break;
case PROPERTY_ID_ISROWCOUNTFINAL:
rValue <<= m_pCache->m_bRowCountFinal;
break;
default:
OPropertyStateContainer::getFastPropertyValue(rValue,nHandle);
}
}
else
OPropertyStateContainer::getFastPropertyValue(rValue,nHandle);
}
// OComponentHelper
void SAL_CALL ORowSetBase::disposing()
{
MutexGuard aGuard(*m_pMutex);
if ( m_pColumns )
{
TDataColumns().swap(m_aDataColumns);
m_pColumns->disposing();
}
if ( m_pCache )
{
m_pCache->deregisterOldRow(m_aOldRow);
m_pCache->deleteIterator(this);
}
m_pCache = nullptr;
}
// comphelper::OPropertyArrayUsageHelper
::cppu::IPropertyArrayHelper* ORowSetBase::createArrayHelper( ) const
{
Sequence< Property > aProps;
describeProperties(aProps);
return new ::cppu::OPropertyArrayHelper(aProps);
}
// cppu::OPropertySetHelper
::cppu::IPropertyArrayHelper& SAL_CALL ORowSetBase::getInfoHelper()
{
return *getArrayHelper();
}
// XRow
sal_Bool SAL_CALL ORowSetBase::wasNull( )
{
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
return !((m_nLastColumnIndex != -1) && !m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd() && m_aCurrentRow->is())
|| ((*m_aCurrentRow)->get())[m_nLastColumnIndex].isNull();
}
const ORowSetValue& ORowSetBase::getValue(sal_Int32 columnIndex)
{
checkCache();
return impl_getValue(columnIndex);
}
const ORowSetValue& ORowSetBase::impl_getValue(sal_Int32 columnIndex)
{
if ( m_bBeforeFirst || m_bAfterLast )
{
SAL_WARN("dbaccess", "ORowSetBase::getValue: Illegal call here (we're before first or after last)!");
::dbtools::throwSQLException( DBA_RES( RID_STR_CURSOR_BEFORE_OR_AFTER ), StandardSQLState::INVALID_CURSOR_POSITION, *m_pMySelf );
}
if ( impl_rowDeleted() )
{
return m_aEmptyValue;
}
bool bValidCurrentRow = ( !m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd() && m_aCurrentRow->is() );
if ( !bValidCurrentRow )
{
// currentrow is null when the clone moves the window
positionCache( MOVE_NONE );
m_aCurrentRow = m_pCache->m_aMatrixIter;
m_bIsInsertRow = false;
OSL_ENSURE(!m_aCurrentRow.isNull(),"ORowSetBase::getValue: we don't stand on a valid row! Row is null.");
bValidCurrentRow = ( !m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd() && m_aCurrentRow->is() );
}
if ( bValidCurrentRow )
{
#if OSL_DEBUG_LEVEL > 0
ORowSetMatrix::const_iterator aCacheEnd;
ORowSetMatrix::iterator aCurrentRow;
aCacheEnd = m_pCache->getEnd();
aCurrentRow = m_aCurrentRow;
ORowSetCacheMap::const_iterator aCacheIter = m_aCurrentRow.getIter();
ORowSetCacheIterator_Helper aHelper = aCacheIter->second;
ORowSetMatrix::const_iterator k = aHelper.aIterator;
for (; k != m_pCache->getEnd(); ++k)
{
ORowSetValueVector* pTemp = k->get();
OSL_ENSURE( pTemp != reinterpret_cast<void*>(0xfeeefeee),"HALT!" );
}
OSL_ENSURE(!m_aCurrentRow.isNull() && m_aCurrentRow < m_pCache->getEnd() && aCacheIter != m_pCache->m_aCacheIterators.end(),"Invalid iterator set for currentrow!");
ORowSetRow rRow = (*m_aCurrentRow);
OSL_ENSURE(rRow.is() && static_cast<sal_uInt16>(columnIndex) < (rRow->get()).size(),"Invalid size of vector!");
#endif
return ((*m_aCurrentRow)->get())[m_nLastColumnIndex = columnIndex];
}
// we should normally never reach this
return m_aEmptyValue;
}
OUString SAL_CALL ORowSetBase::getString( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return getValue(columnIndex);
}
sal_Bool SAL_CALL ORowSetBase::getBoolean( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return bool(getValue(columnIndex));
}
sal_Int8 SAL_CALL ORowSetBase::getByte( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return getValue(columnIndex);
}
sal_Int16 SAL_CALL ORowSetBase::getShort( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return getValue(columnIndex);
}
sal_Int32 SAL_CALL ORowSetBase::getInt( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return getValue(columnIndex);
}
sal_Int64 SAL_CALL ORowSetBase::getLong( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return getValue(columnIndex);
}
float SAL_CALL ORowSetBase::getFloat( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return getValue(columnIndex);
}
double SAL_CALL ORowSetBase::getDouble( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return getValue(columnIndex);
}
Sequence< sal_Int8 > SAL_CALL ORowSetBase::getBytes( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return getValue(columnIndex);
}
css::util::Date SAL_CALL ORowSetBase::getDate( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return getValue(columnIndex);
}
css::util::Time SAL_CALL ORowSetBase::getTime( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return getValue(columnIndex);
}
css::util::DateTime SAL_CALL ORowSetBase::getTimestamp( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
return getValue(columnIndex);
}
Reference< css::io::XInputStream > SAL_CALL ORowSetBase::getBinaryStream( sal_Int32 columnIndex )
{
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
if ( m_bBeforeFirst || m_bAfterLast )
{
SAL_WARN("dbaccess", "ORowSetBase::getBinaryStream: Illegal call here (we're before first or after last)!");
::dbtools::throwSQLException( DBA_RES( RID_STR_CURSOR_BEFORE_OR_AFTER ), StandardSQLState::INVALID_CURSOR_POSITION, *m_pMySelf );
}
if ( impl_rowDeleted() )
{
return nullptr;
}
bool bValidCurrentRow = ( !m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd() && m_aCurrentRow->is() );
if ( !bValidCurrentRow )
{
positionCache( MOVE_NONE );
m_aCurrentRow = m_pCache->m_aMatrixIter;
m_bIsInsertRow = false;
OSL_ENSURE(!m_aCurrentRow.isNull(),"ORowSetBase::getBinaryStream: we don't stand on a valid row! Row is null.");
bValidCurrentRow = ( !m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd() && m_aCurrentRow->is() );
}
if ( bValidCurrentRow )
return new ::comphelper::SequenceInputStream(((*m_aCurrentRow)->get())[m_nLastColumnIndex = columnIndex].getSequence());
// we should normally never reach this
return Reference< css::io::XInputStream >();
}
Reference< css::io::XInputStream > SAL_CALL ORowSetBase::getCharacterStream( sal_Int32 columnIndex )
{
return getBinaryStream(columnIndex);
}
Any SAL_CALL ORowSetBase::getObject( sal_Int32 columnIndex, const Reference< XNameAccess >& /*typeMap*/ )
{
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
return getValue(columnIndex).makeAny();
}
Reference< XRef > SAL_CALL ORowSetBase::getRef( sal_Int32 /*columnIndex*/ )
{
::dbtools::throwFeatureNotImplementedSQLException( "XRow::getRef", *m_pMySelf );
return nullptr;
}
Reference< XBlob > SAL_CALL ORowSetBase::getBlob( sal_Int32 columnIndex )
{
return Reference< XBlob >(getValue(columnIndex).makeAny(),UNO_QUERY);
}
Reference< XClob > SAL_CALL ORowSetBase::getClob( sal_Int32 columnIndex )
{
return Reference< XClob >(getValue(columnIndex).makeAny(),UNO_QUERY);
}
Reference< XArray > SAL_CALL ORowSetBase::getArray( sal_Int32 /*columnIndex*/ )
{
::dbtools::throwFeatureNotImplementedSQLException( "XRow::getArray", *m_pMySelf );
return nullptr;
}
// css::sdbcx::XRowLocate
Any SAL_CALL ORowSetBase::getBookmark( )
{
SAL_INFO("dbaccess", "ORowSetBase::getBookmark() Clone = " << m_bClone);
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
if ( m_bBeforeFirst || m_bAfterLast )
::dbtools::throwSQLException( DBA_RES( RID_STR_NO_BOOKMARK_BEFORE_OR_AFTER ), StandardSQLState::INVALID_CURSOR_POSITION, *m_pMySelf );
if ( impl_rowDeleted() )
::dbtools::throwSQLException( DBA_RES( RID_STR_NO_BOOKMARK_DELETED ), StandardSQLState::INVALID_CURSOR_POSITION, *m_pMySelf );
OSL_ENSURE( m_aBookmark.hasValue(), "ORowSetBase::getBookmark: bookmark has no value!" );
return m_aBookmark;
}
sal_Bool SAL_CALL ORowSetBase::moveToBookmark( const Any& bookmark )
{
SAL_INFO("dbaccess", "ORowSetBase::moveToBookmark(Any) Clone = " << m_bClone);
OSL_ENSURE(bookmark.hasValue(),"ORowSetBase::moveToBookmark bookmark has no value!");
::osl::ResettableMutexGuard aGuard( *m_pMutex );
if(!bookmark.hasValue() || m_nResultSetType == ResultSetType::FORWARD_ONLY)
{
if(bookmark.hasValue())
SAL_WARN("dbaccess", "MoveToBookmark is not possible when we are only forward");
else
SAL_WARN("dbaccess", "Bookmark is not valid");
throwFunctionSequenceException(*m_pMySelf);
}
checkCache();
bool bRet( notifyAllListenersCursorBeforeMove( aGuard ) );
if ( bRet )
{
// check if we are inserting a row
bool bWasNew = m_pCache->m_bNew || impl_rowDeleted();
ORowSetNotifier aNotifier( this );
// this will call cancelRowModification on the cache if necessary
ORowSetRow aOldValues = getOldRow(bWasNew);
bRet = m_pCache->moveToBookmark(bookmark);
doCancelModification( );
if(bRet)
{
// notification order
// - column values
// - cursorMoved
setCurrentRow( true, true, aOldValues, aGuard );
}
else
{
movementFailed();
}
// - IsModified
// - IsNew
aNotifier.fire( );
}
SAL_INFO("dbaccess", "ORowSetBase::moveToBookmark(Any) = " << bRet << " Clone = " << m_bClone);
return bRet;
}
sal_Bool SAL_CALL ORowSetBase::moveRelativeToBookmark( const Any& bookmark, sal_Int32 rows )
{
SAL_INFO("dbaccess", "ORowSetBase::moveRelativeToBookmark(Any," << rows << ") Clone = " << m_bClone);
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::ResettableMutexGuard aGuard( *m_pMutex );
checkPositioningAllowed();
bool bRet( notifyAllListenersCursorBeforeMove( aGuard ) );
if ( bRet )
{
// check if we are inserting a row
bool bWasNew = m_pCache->m_bNew || rowDeleted();
ORowSetNotifier aNotifier( this );
// this will call cancelRowModification on the cache if necessary
ORowSetRow aOldValues = getOldRow(bWasNew);
bRet = m_pCache->moveRelativeToBookmark(bookmark,rows);
doCancelModification( );
if(bRet)
{
// notification order
// - column values
// - cursorMoved
setCurrentRow( true, true, aOldValues, aGuard );
}
else
movementFailed();
// - IsModified
// - IsNew
aNotifier.fire( );
// RowCount/IsRowCountFinal
fireRowcount();
}
SAL_INFO("dbaccess", "ORowSetBase::moveRelativeToBookmark(Any," << rows << ") = " << bRet << " Clone = " << m_bClone);
return bRet;
}
sal_Int32 SAL_CALL ORowSetBase::compareBookmarks( const Any& _first, const Any& _second )
{
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
return m_pCache->compareBookmarks(_first,_second);
}
sal_Bool SAL_CALL ORowSetBase::hasOrderedBookmarks( )
{
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
return m_pCache->hasOrderedBookmarks();
}
sal_Int32 SAL_CALL ORowSetBase::hashBookmark( const Any& bookmark )
{
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
return m_pCache->hashBookmark(bookmark);
}
// XResultSetMetaDataSupplier
Reference< XResultSetMetaData > SAL_CALL ORowSetBase::getMetaData( )
{
::connectivity::checkDisposed(m_rBHelper.bDisposed);
Reference< XResultSetMetaData > xMeta;
if(m_pCache)
xMeta = m_pCache->getMetaData();
return xMeta;
}
// XColumnLocate
sal_Int32 SAL_CALL ORowSetBase::findColumn( const OUString& columnName )
{
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::MutexGuard aGuard( m_aColumnsMutex );
// it is possible to save some time here when we remember the names - position relation in a map
return m_pColumns ? m_pColumns->findColumn(columnName) : sal_Int32(0);
}
// css::sdbcx::XColumnsSupplier
Reference< XNameAccess > SAL_CALL ORowSetBase::getColumns( )
{
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::MutexGuard aGuard( m_aColumnsMutex );
if(!m_pColumns)
{
if (!m_pEmptyCollection)
m_pEmptyCollection.reset( new OEmptyCollection(*m_pMySelf,m_aColumnsMutex) );
return m_pEmptyCollection.get();
}
return m_pColumns.get();
}
// XResultSet
sal_Bool SAL_CALL ORowSetBase::next( )
{
SAL_INFO("dbaccess", "ORowSetBase::next() Clone = " << m_bClone);
::osl::ResettableMutexGuard aGuard( *m_pMutex );
checkCache();
bool bRet( notifyAllListenersCursorBeforeMove( aGuard ) );
if ( bRet )
{
// check if we are inserting a row
bool bWasNew = m_pCache->m_bNew || impl_rowDeleted();
ORowSetNotifier aNotifier( this );
// this will call cancelRowModification on the cache if necessary
ORowSetRow aOldValues = getOldRow(bWasNew);
positionCache( MOVE_FORWARD );
bool bAfterLast = m_pCache->isAfterLast();
bRet = m_pCache->next();
doCancelModification( );
// if we were afterLast before next() then we still are,
// i.e. bAfterLast implies m_pCache->isAfterLast()
if (bAfterLast)
assert(m_pCache->isAfterLast());
// so the only way bAfterLast != m_pCache->isAfterLast()
// would be that we just arrived there,
if (bAfterLast != m_pCache->isAfterLast())
{
assert(!bAfterLast);
assert(m_pCache->isAfterLast());
}
// in which case we *did* move the cursor
if ( bRet || bAfterLast != m_pCache->isAfterLast() )
{
// notification order
// - column values
// - cursorMoved
setCurrentRow( true, true, aOldValues, aGuard );
OSL_ENSURE(!m_bBeforeFirst,"BeforeFirst is true. I don't know why?");
}
else
{
// moved after the last row
movementFailed();
OSL_ENSURE(m_bAfterLast,"AfterLast is false. I don't know why?");
}
// - IsModified
// - IsNew
aNotifier.fire();
// - RowCount/IsRowCountFinal
fireRowcount();
}
SAL_INFO("dbaccess", "ORowSetBase::next() = " << bRet << " Clone = " << m_bClone);
return bRet;
}
sal_Bool SAL_CALL ORowSetBase::isBeforeFirst( )
{
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
SAL_INFO("dbaccess", "ORowSetBase::isBeforeFirst() = " << m_bBeforeFirst << " Clone = " << m_bClone);
return m_bBeforeFirst;
}
sal_Bool SAL_CALL ORowSetBase::isAfterLast( )
{
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
SAL_INFO("dbaccess", "ORowSetBase::isAfterLast() = " << m_bAfterLast << " Clone = " << m_bClone);
return m_bAfterLast;
}
bool ORowSetBase::isOnFirst()
{
return isFirst();
}
sal_Bool SAL_CALL ORowSetBase::isFirst( )
{
SAL_INFO("dbaccess", "ORowSetBase::isFirst() Clone = " << m_bClone);
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
if ( m_bBeforeFirst || m_bAfterLast )
return false;
if ( impl_rowDeleted() )
return ( m_nDeletedPosition == 1 );
positionCache( MOVE_NONE );
bool bIsFirst = m_pCache->isFirst();
SAL_INFO("dbaccess", "ORowSetBase::isFirst() = " << bIsFirst << " Clone = " << m_bClone);
return bIsFirst;
}
bool ORowSetBase::isOnLast()
{
return isLast();
}
sal_Bool SAL_CALL ORowSetBase::isLast( )
{
SAL_INFO("dbaccess", "ORowSetBase::isLast() Clone = " << m_bClone);
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
if ( m_bBeforeFirst || m_bAfterLast )
return false;
if ( impl_rowDeleted() )
{
if ( !m_pCache->m_bRowCountFinal )
return false;
else
return ( m_nDeletedPosition == impl_getRowCount() );
}
positionCache( MOVE_NONE );
bool bIsLast = m_pCache->isLast();
SAL_INFO("dbaccess", "ORowSetBase::isLast() = " << bIsLast << " Clone = " << m_bClone);
return bIsLast;
}
void SAL_CALL ORowSetBase::beforeFirst( )
{
SAL_INFO("dbaccess", "ORowSetBase::beforeFirst() Clone = " << m_bClone);
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::ResettableMutexGuard aGuard( *m_pMutex );
checkPositioningAllowed();
// check if we are inserting a row
bool bWasNew = m_pCache->m_bNew || impl_rowDeleted();
if((bWasNew || !m_bBeforeFirst) && notifyAllListenersCursorBeforeMove(aGuard) )
{
ORowSetNotifier aNotifier( this );
// this will call cancelRowModification on the cache if necessary
if ( !m_bBeforeFirst )
{
ORowSetRow aOldValues = getOldRow(bWasNew);
m_pCache->beforeFirst();
doCancelModification( );
// notification order
// - column values
// - cursorMoved
setCurrentRow( true, true, aOldValues, aGuard );
// - IsModified
// - Isnew
aNotifier.fire();
// - RowCount/IsRowCountFinal
fireRowcount();
}
// to be done _after_ the notifications!
m_aOldRow->clearRow();
}
SAL_INFO("dbaccess", "ORowSetBase::beforeFirst() Clone = " << m_bClone);
}
void SAL_CALL ORowSetBase::afterLast( )
{
SAL_INFO("dbaccess", "ORowSetBase::afterLast() Clone = " << m_bClone);
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::ResettableMutexGuard aGuard( *m_pMutex );
checkPositioningAllowed();
bool bWasNew = m_pCache->m_bNew || impl_rowDeleted();
if((bWasNew || !m_bAfterLast) && notifyAllListenersCursorBeforeMove(aGuard) )
{
// check if we are inserting a row
ORowSetNotifier aNotifier( this );
// this will call cancelRowModification on the cache if necessary
if(!m_bAfterLast)
{
ORowSetRow aOldValues = getOldRow(bWasNew);
m_pCache->afterLast();
doCancelModification( );
// notification order
// - column values
// - cursorMoved
setCurrentRow( true, true, aOldValues, aGuard );
// - IsModified
// - Isnew
aNotifier.fire();
// - RowCount/IsRowCountFinal
fireRowcount();
}
}
SAL_INFO("dbaccess", "ORowSetBase::afterLast() Clone = " << m_bClone);
}
bool SAL_CALL ORowSetBase::move(std::function<bool(ORowSetBase *)> const & _aCheckFunctor,
std::function<bool(ORowSetCache *)> const & _aMovementFunctor)
{
SAL_INFO("dbaccess", "ORowSetBase::move() Clone = " << m_bClone);
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::ResettableMutexGuard aGuard( *m_pMutex );
checkPositioningAllowed();
bool bRet( notifyAllListenersCursorBeforeMove( aGuard ) );
if( bRet )
{
// check if we are inserting a row
bool bWasNew = m_pCache->m_bNew || rowDeleted();
ORowSetNotifier aNotifier( this );
// this will call cancelRowModification on the cache if necessary
ORowSetRow aOldValues = getOldRow(bWasNew);
bool bMoved = ( bWasNew || !_aCheckFunctor(this) );
bRet = _aMovementFunctor(m_pCache);
doCancelModification( );
if ( bRet )
{
// notification order
// - column values
// - cursorMoved
setCurrentRow( bMoved, true, aOldValues, aGuard );
}
else
{ // first goes wrong so there is no row
movementFailed();
}
// - IsModified
// - IsNew
aNotifier.fire();
// - RowCount/IsRowCountFinal
fireRowcount();
}
SAL_INFO("dbaccess", "ORowSetBase::move() = " << bRet << " Clone = " << m_bClone);
return bRet;
}
sal_Bool SAL_CALL ORowSetBase::first( )
{
SAL_INFO("dbaccess", "ORowSetBase::first() Clone = " << m_bClone);
auto ioF_tmp = std::mem_fn(&ORowSetBase::isOnFirst);
auto F_tmp = std::mem_fn(&ORowSetCache::first);
return move(ioF_tmp,F_tmp);
}
sal_Bool SAL_CALL ORowSetBase::last( )
{
SAL_INFO("dbaccess", "ORowSetBase::last() Clone = " << m_bClone);
auto ioL_tmp = std::mem_fn(&ORowSetBase::isOnLast);
auto L_tmp = std::mem_fn(&ORowSetCache::last);
return move(ioL_tmp,L_tmp);
}
sal_Int32 SAL_CALL ORowSetBase::getRow( )
{
SAL_INFO("dbaccess", "ORowSetBase::getRow() Clone = " << m_bClone);
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
return impl_getRow();
}
sal_Int32 ORowSetBase::impl_getRow()
{
sal_Int32 nPos = 0;
if ( m_bBeforeFirst )
nPos = 0;
else if ( m_bAfterLast )
nPos = impl_getRowCount() + 1;
else if ( impl_rowDeleted() )
nPos = m_nDeletedPosition;
else if ( !m_bClone && m_pCache->m_bNew )
nPos = 0;
else
{
positionCache( MOVE_NONE );
nPos = m_pCache->getRow();
}
SAL_INFO("dbaccess", "ORowSetBase::impl_getRow() = " << nPos << " Clone = " << m_bClone);
return nPos;
}
sal_Bool SAL_CALL ORowSetBase::absolute( sal_Int32 row )
{
SAL_INFO("dbaccess", "ORowSetBase::absolute(" << row << ") Clone = " << m_bClone);
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::ResettableMutexGuard aGuard( *m_pMutex );
checkPositioningAllowed();
bool bRet = ( row > 0 )
&& notifyAllListenersCursorBeforeMove( aGuard );
if ( bRet )
{
// check if we are inserting a row
bool bWasNew = m_pCache->m_bNew || rowDeleted();
ORowSetNotifier aNotifier( this );
// this will call cancelRowModification on the cache if necessary
ORowSetRow aOldValues = getOldRow(bWasNew);
bRet = m_pCache->absolute(row);
doCancelModification( );
if(bRet)
{
// notification order
// - column values
// - cursorMoved
setCurrentRow( true, true, aOldValues, aGuard );
}
else
{ // absolute movement goes wrong we stand left or right side of the rows
movementFailed();
}
// - IsModified
// - IsNew
aNotifier.fire();
// - RowCount/IsRowCountFinal
fireRowcount();
}
SAL_INFO("dbaccess", "ORowSetBase::absolute(" << row << ") = " << bRet << " Clone = " << m_bClone);
return bRet;
}
sal_Bool SAL_CALL ORowSetBase::relative( sal_Int32 rows )
{
SAL_INFO("dbaccess", "ORowSetBase::relative(" << rows << ") Clone = " << m_bClone);
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::ResettableMutexGuard aGuard( *m_pMutex );
if(!rows)
return true; // in this case do nothing
checkPositioningAllowed();
bool bRet =
( ( !m_bAfterLast || rows <= 0 )
&& ( !m_bBeforeFirst || rows >= 0 )
&& notifyAllListenersCursorBeforeMove( aGuard )
);
if ( bRet )
{
// check if we are inserting a row
bool bWasNew = m_pCache->m_bNew || rowDeleted();
ORowSetNotifier aNotifier( this );
// this will call cancelRowModification on the cache if necessary
ORowSetRow aOldValues = getOldRow(bWasNew);
positionCache( rows > 0 ? MOVE_FORWARD : MOVE_BACKWARD );
bRet = m_pCache->relative(rows);
doCancelModification( );
if(bRet)
{
// notification order
// - column values
// - cursorMoved
setCurrentRow( true, true, aOldValues, aGuard );
}
else
{
movementFailed();
}
// - IsModified
// - IsNew
aNotifier.fire();
// - RowCount/IsRowCountFinal
fireRowcount();
}
SAL_INFO("dbaccess", "ORowSetBase::relative(" << rows << ") = " << bRet << " Clone = " << m_bClone);
return bRet;
}
sal_Bool SAL_CALL ORowSetBase::previous( )
{
SAL_INFO("dbaccess", "ORowSetBase::previous() Clone = " << m_bClone);
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::ResettableMutexGuard aGuard( *m_pMutex );
checkPositioningAllowed();
bool bRet = !m_bBeforeFirst
&& notifyAllListenersCursorBeforeMove(aGuard);
if ( bRet )
{
// check if we are inserting a row
bool bWasNew = m_pCache->m_bNew || rowDeleted();
ORowSetNotifier aNotifier( this );
// this will call cancelRowModification on the cache if necessary
ORowSetRow aOldValues = getOldRow(bWasNew);
positionCache( MOVE_BACKWARD );
bRet = m_pCache->previous();
doCancelModification( );
// if m_bBeforeFirst is false and bRet is false than we stood on the first row
if(!m_bBeforeFirst || bRet)
{
// notification order
// - column values
// - cursorMoved
setCurrentRow( true, true, aOldValues, aGuard );
}
else
{
SAL_WARN("dbaccess", "ORowSetBase::previous: inconsistency!" );
// we should never reach this place, as we should not get into this whole branch if m_bBeforeFirst
// was |true| from the beginning
movementFailed();
}
// - IsModified
// - IsNew
aNotifier.fire();
// - RowCount/IsRowCountFinal
fireRowcount();
}
SAL_INFO("dbaccess", "ORowSetBase::previous() = " << bRet << " Clone = " << m_bClone);
return bRet;
}
void ORowSetBase::setCurrentRow( bool _bMoved, bool _bDoNotify, const ORowSetRow& _rOldValues, ::osl::ResettableMutexGuard& _rGuard )
{
SAL_INFO("dbaccess", "ORowSetBase::setCurrentRow() Clone = " << m_bClone);
m_bBeforeFirst = m_pCache->isBeforeFirst();
m_bAfterLast = m_pCache->isAfterLast();
if(!(m_bBeforeFirst || m_bAfterLast))
{
m_aBookmark = m_pCache->getBookmark();
OSL_ENSURE(m_aBookmark.hasValue(),"Bookmark has no value!");
m_aCurrentRow = m_pCache->m_aMatrixIter;
m_bIsInsertRow = false;
OSL_ENSURE(!m_aCurrentRow.isNull(),"CurrentRow is null!");
m_aCurrentRow.setBookmark(m_aBookmark);
OSL_ENSURE(!m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd(),"Position of matrix iterator isn't valid!");
OSL_ENSURE(m_aCurrentRow->is(),"Currentrow isn't valid");
OSL_ENSURE(m_aBookmark.hasValue(),"Bookmark has no value!");
m_aCurrentRow = m_pCache->m_aMatrixIter;
m_bIsInsertRow = false;
OSL_ENSURE(!m_aCurrentRow.isNull(),"CurrentRow is nul after positionCache!");
#if OSL_DEBUG_LEVEL > 0
ORowSetRow rRow = (*m_aCurrentRow);
OSL_ENSURE(rRow.is() ,"Invalid size of vector!");
#endif
// notification order
// - column values
if ( _bDoNotify )
firePropertyChange(_rOldValues);
}
else
{
m_aOldRow->clearRow();
m_aCurrentRow = m_pCache->getEnd();
m_aBookmark = Any();
m_aCurrentRow.setBookmark(m_aBookmark);
}
// TODO: can this be done before the notifications?
if(!(m_bBeforeFirst || m_bAfterLast) && !m_aCurrentRow.isNull() && m_aCurrentRow->is() && m_aCurrentRow != m_pCache->getEnd())
m_aOldRow->setRow(new ORowSetValueVector( *(*m_aCurrentRow) ));
if ( _bMoved && _bDoNotify )
// - cursorMoved
notifyAllListenersCursorMoved( _rGuard );
SAL_INFO("dbaccess", "ORowSetBase::setCurrentRow() Clone = " << m_bClone);
}
void ORowSetBase::checkPositioningAllowed()
{
if(!m_pCache || m_nResultSetType == ResultSetType::FORWARD_ONLY)
throwFunctionSequenceException(*m_pMySelf);
}
Reference< XInterface > ORowSetBase::getStatement()
{
return nullptr;
}
void SAL_CALL ORowSetBase::refreshRow( )
{
::connectivity::checkDisposed(m_rBHelper.bDisposed);
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
if ( impl_rowDeleted() )
throwSQLException( "The current row is deleted", StandardSQLState::INVALID_CURSOR_STATE, Reference< XRowSet >( this ) );
if(!(m_bBeforeFirst || m_bAfterLast))
{
bool bWasNew = m_pCache->m_bNew || impl_rowDeleted();
ORowSetRow aOldValues = getOldRow(bWasNew);
positionCache( MOVE_NONE );
m_pCache->refreshRow();
firePropertyChange(aOldValues);
}
}
sal_Bool SAL_CALL ORowSetBase::rowUpdated( )
{
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
if ( impl_rowDeleted() )
return false;
return m_pCache->rowUpdated();
}
sal_Bool SAL_CALL ORowSetBase::rowInserted( )
{
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
if ( impl_rowDeleted() )
return false;
return m_pCache->rowInserted();
}
sal_Bool SAL_CALL ORowSetBase::rowDeleted( )
{
::osl::MutexGuard aGuard( *m_pMutex );
checkCache();
return impl_rowDeleted();
}
bool ORowSetBase::impl_rowDeleted( )
{
return !m_aBookmark.hasValue() && !m_bBeforeFirst && !m_bAfterLast;
}
// XWarningsSupplier
Any SAL_CALL ORowSetBase::getWarnings( )
{
::osl::MutexGuard aGuard( *m_pMutex );
if ( m_pCache )
{
Reference< XWarningsSupplier > xWarnings( m_pCache->m_xSet.get(), UNO_QUERY );
if ( xWarnings.is() )
return xWarnings->getWarnings();
}
return Any();
}
void SAL_CALL ORowSetBase::clearWarnings( )
{
::osl::MutexGuard aGuard( *m_pMutex );
if ( m_pCache )
{
Reference< XWarningsSupplier > xWarnings( m_pCache->m_xSet.get(), UNO_QUERY );
if ( xWarnings.is() )
xWarnings->clearWarnings();
}
}
void ORowSetBase::firePropertyChange(const ORowSetRow& _rOldRow)
{
if (!isPropertyChangeNotificationEnabled())
return;
SAL_INFO("dbaccess", "ORowSetBase::firePropertyChange" );
SAL_INFO("dbaccess", "ORowSetBase::firePropertyChange() Clone = " << m_bClone);
OSL_ENSURE(m_pColumns,"Columns can not be NULL here!");
sal_Int32 i=0;
for (auto const& dataColumn : m_aDataColumns)
{
try
{
dataColumn->fireValueChange(_rOldRow.is() ? (_rOldRow->get())[i+1] : ::connectivity::ORowSetValue());
}
catch (const Exception&)
{
SAL_WARN("dbaccess", "firePropertyChange: Exception on column " << i);
}
++i;
}
SAL_INFO("dbaccess", "ORowSetBase::firePropertyChange() Clone = " << m_bClone);
}
void ORowSetBase::firePropertyChange(sal_Int32 _nPos,const ::connectivity::ORowSetValue& _rOldValue)
{
OSL_ENSURE(_nPos < static_cast<sal_Int32>(m_aDataColumns.size()),"nPos is invalid!");
m_aDataColumns[_nPos]->fireValueChange(_rOldValue);
}
void ORowSetBase::fireRowcount()
{
}
bool ORowSetBase::notifyAllListenersCursorBeforeMove(::osl::ResettableMutexGuard& /*_rGuard*/)
{
return true;
}
void ORowSetBase::notifyAllListenersCursorMoved(::osl::ResettableMutexGuard& /*_rGuard*/)
{
}
bool ORowSetBase::isPropertyChangeNotificationEnabled() const
{
return true;
}
void ORowSetBase::fireProperty( sal_Int32 _nProperty, bool _bNew, bool _bOld )
{
Any aNew = css::uno::makeAny( _bNew );
Any aOld = css::uno::makeAny( _bOld );
fire( &_nProperty, &aNew, &aOld, 1, false );
}
void ORowSetBase::positionCache( CursorMoveDirection _ePrepareForDirection )
{
SAL_INFO("dbaccess", "ORowSetBase::positionCache() Clone = " << m_bClone);
bool bSuccess = false;
if ( m_aBookmark.hasValue() )
{
if (_ePrepareForDirection == MOVE_NONE_REFRESH ||
(m_pCache->isAfterLast() != bool(isAfterLast())) || ( m_pCache->isBeforeFirst() != bool(isBeforeFirst()) ) ||
m_pCache->compareBookmarks( m_aBookmark, m_pCache->getBookmark() ) != CompareBookmark::EQUAL )
bSuccess = m_pCache->moveToBookmark( m_aBookmark );
else
bSuccess = true;
}
else
{
if ( m_bBeforeFirst )
{
m_pCache->beforeFirst();
bSuccess = true;
}
else if ( m_bAfterLast )
{
m_pCache->afterLast();
bSuccess = true;
}
else
{
OSL_ENSURE( m_nDeletedPosition >= 1, "ORowSetBase::positionCache: no bookmark, and no valid 'deleted position'!" );
switch ( _ePrepareForDirection )
{
case MOVE_FORWARD:
if ( m_nDeletedPosition > 1 )
bSuccess = m_pCache->absolute( m_nDeletedPosition - 1 );
else
{
m_pCache->beforeFirst();
bSuccess = true;
}
break;
case MOVE_BACKWARD:
if ( m_pCache->m_bRowCountFinal && ( m_nDeletedPosition == impl_getRowCount() ) )
{
m_pCache->afterLast();
bSuccess = true;
}
else
bSuccess = m_pCache->absolute( m_nDeletedPosition );
break;
case MOVE_NONE:
case MOVE_NONE_REFRESH:
bSuccess = false; // will be asserted below
break;
}
}
}
OSL_ENSURE( bSuccess, "ORowSetBase::positionCache: failed!" );
SAL_INFO("dbaccess", "ORowSetBase::positionCache() Clone = " << m_bClone);
}
void ORowSetBase::checkCache()
{
::connectivity::checkDisposed(m_rBHelper.bDisposed);
if(!m_pCache)
throwFunctionSequenceException(*m_pMySelf);
}
void ORowSetBase::movementFailed()
{
SAL_INFO("dbaccess", "ORowSetBase::movementFailed() Clone = " << m_bClone);
m_aOldRow->clearRow();
m_aCurrentRow = m_pCache->getEnd();
m_bBeforeFirst = m_pCache->isBeforeFirst();
m_bAfterLast = m_pCache->isAfterLast();
m_aBookmark = Any();
m_aCurrentRow.setBookmark(m_aBookmark);
OSL_ENSURE(m_bBeforeFirst || m_bAfterLast,"BeforeFirst or AfterLast is wrong!");
SAL_INFO("dbaccess", "ORowSetBase::movementFailed() Clone = " << m_bClone);
}
ORowSetRow ORowSetBase::getOldRow(bool _bWasNew)
{
OSL_ENSURE(m_aOldRow.is(),"RowSetRowHElper isn't valid!");
ORowSetRow aOldValues;
if ( !_bWasNew && m_aOldRow->getRow().is() )
aOldValues = new ORowSetValueVector( *(m_aOldRow->getRow())); // remember the old values
return aOldValues;
}
void ORowSetBase::getPropertyDefaultByHandle( sal_Int32 /*_nHandle*/, Any& _rDefault ) const
{
_rDefault.clear();
}
void ORowSetBase::onDeleteRow( const Any& _rBookmark )
{
if ( rowDeleted() )
// not interested in
return;
::osl::MutexGuard aGuard( *m_pMutex );
//OSL_ENSURE( m_aBookmark.hasValue(), "ORowSetBase::onDeleteRow: Bookmark isn't valid!" );
if ( compareBookmarks( _rBookmark, m_aBookmark ) == CompareBookmark::EQUAL )
{
positionCache( MOVE_NONE );
m_nDeletedPosition = m_pCache->getRow();
}
}
void ORowSetBase::onDeletedRow( const Any& _rBookmark, sal_Int32 _nPos )
{
if ( rowDeleted() )
{
// if we're a clone, and on a deleted row, and the main RowSet deleted another
// row (only the main RowSet can, clones can't), which is *before* our
// deleted position, then we have to adjust this position
if ( m_bClone && ( _nPos < m_nDeletedPosition ) )
--m_nDeletedPosition;
return;
}
::osl::MutexGuard aGuard( *m_pMutex );
if ( compareBookmarks( _rBookmark, m_aBookmark ) == CompareBookmark::EQUAL )
{
m_aOldRow->clearRow();
m_aCurrentRow = m_pCache->getEnd();
m_aBookmark = Any();
m_aCurrentRow.setBookmark( m_aBookmark );
}
}
sal_Int32 ORowSetBase::impl_getRowCount() const
{
sal_Int32 nRowCount( m_pCache->m_nRowCount );
if ( const_cast< ORowSetBase* >( this )->rowDeleted() && !m_pCache->m_bNew )
++nRowCount;
return nRowCount;
}
struct ORowSetNotifierImpl
{
std::vector<sal_Int32> aChangedColumns;
ORowSetValueVector::Vector aRow;
};
ORowSetNotifier::ORowSetNotifier( ORowSetBase* _pRowSet )
:m_pRowSet( _pRowSet )
,m_bWasNew( false )
,m_bWasModified( false )
{
OSL_ENSURE( m_pRowSet, "ORowSetNotifier::ORowSetNotifier: invalid row set. This will crash." );
// remember the "inserted" and "modified" state for later firing
m_bWasNew = m_pRowSet->isNew( ORowSetBase::GrantNotifierAccess() );
m_bWasModified = m_pRowSet->isModified( ORowSetBase::GrantNotifierAccess() );
// if the row set is on the insert row, then we need to cancel this
if ( m_pRowSet->isModification( ORowSetBase::GrantNotifierAccess() ) )
m_pRowSet->doCancelModification( ORowSetBase::GrantNotifierAccess() );
}
ORowSetNotifier::ORowSetNotifier( ORowSetBase* _pRowSet,const ORowSetValueVector::Vector& i_aRow )
:m_pImpl(new ORowSetNotifierImpl)
,m_pRowSet( _pRowSet )
,m_bWasNew( false )
,m_bWasModified( false )
{
OSL_ENSURE( m_pRowSet, "ORowSetNotifier::ORowSetNotifier: invalid row set. This will crash." );
m_pImpl->aRow = i_aRow; // yes, create a copy to store the old values
}
ORowSetNotifier::~ORowSetNotifier( )
{
}
void ORowSetNotifier::fire()
{
// we're not interested in firing changes FALSE->TRUE, only TRUE->FALSE.
// (the former would be quite pathological, e.g. after a failed movement)
if ( m_bWasModified
&& ( m_bWasModified != m_pRowSet->isModified( ORowSetBase::GrantNotifierAccess() ) )
)
m_pRowSet->fireProperty( PROPERTY_ID_ISMODIFIED, false, true, ORowSetBase::GrantNotifierAccess() );
if ( m_bWasNew
&& ( m_bWasNew != m_pRowSet->isNew( ORowSetBase::GrantNotifierAccess() ) )
)
m_pRowSet->fireProperty( PROPERTY_ID_ISNEW, false, true, ORowSetBase::GrantNotifierAccess() );
}
std::vector<sal_Int32>& ORowSetNotifier::getChangedColumns() const
{
OSL_ENSURE(m_pImpl, "Illegal CTor call, use the other one!");
return m_pImpl->aChangedColumns;
}
void ORowSetNotifier::firePropertyChange()
{
OSL_ENSURE(m_pImpl, "Illegal CTor call, use the other one!");
if (m_pImpl)
{
for (auto const& changedColumn : m_pImpl->aChangedColumns)
{
m_pRowSet->firePropertyChange(changedColumn-1 ,m_pImpl->aRow[changedColumn-1], ORowSetBase::GrantNotifierAccess());
}
if ( !m_pImpl->aChangedColumns.empty() )
m_pRowSet->fireProperty(PROPERTY_ID_ISMODIFIED,true,false, ORowSetBase::GrantNotifierAccess());
}
}
} // namespace dbaccess
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