diff options
Diffstat (limited to 'connectivity/source/commontools/parameters.cxx')
| -rw-r--r-- | connectivity/source/commontools/parameters.cxx | 1118 |
1 files changed, 1118 insertions, 0 deletions
diff --git a/connectivity/source/commontools/parameters.cxx b/connectivity/source/commontools/parameters.cxx new file mode 100644 index 000000000..bd114ea19 --- /dev/null +++ b/connectivity/source/commontools/parameters.cxx @@ -0,0 +1,1118 @@ +/* -*- 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 <connectivity/parameters.hxx> + +#include <com/sun/star/form/DatabaseParameterEvent.hpp> +#include <com/sun/star/form/XDatabaseParameterListener.hpp> +#include <com/sun/star/sdbc/XParameters.hpp> +#include <com/sun/star/container/XChild.hpp> +#include <com/sun/star/sdbcx/XColumnsSupplier.hpp> +#include <com/sun/star/sdb/XParametersSupplier.hpp> +#include <com/sun/star/sdb/ParametersRequest.hpp> +#include <com/sun/star/sdbc/SQLException.hpp> +#include <com/sun/star/task/XInteractionHandler.hpp> + +#include <connectivity/dbtools.hxx> +#include <connectivity/filtermanager.hxx> +#include <TConnection.hxx> + +#include <tools/diagnose_ex.h> + +#include <ParameterCont.hxx> +#include <o3tl/safeint.hxx> +#include <rtl/ustrbuf.hxx> +#include <sal/log.hxx> + +namespace dbtools +{ + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::sdb; + using namespace ::com::sun::star::sdbc; + using namespace ::com::sun::star::sdbcx; + using namespace ::com::sun::star::lang; + using namespace ::com::sun::star::beans; + using namespace ::com::sun::star::task; + using namespace ::com::sun::star::form; + using namespace ::com::sun::star::container; + + using namespace ::comphelper; + using namespace ::connectivity; + + ParameterManager::ParameterManager( ::osl::Mutex& _rMutex, const Reference< XComponentContext >& _rxContext ) + :m_rMutex ( _rMutex ) + ,m_aParameterListeners( _rMutex ) + ,m_xContext ( _rxContext ) + ,m_nInnerCount ( 0 ) + ,m_bUpToDate ( false ) + { + OSL_ENSURE( m_xContext.is(), "ParameterManager::ParameterManager: no service factory!" ); + } + + + void ParameterManager::initialize( const Reference< XPropertySet >& _rxComponent, const Reference< XAggregation >& _rxComponentAggregate ) + { + OSL_ENSURE( !m_xComponent.get().is(), "ParameterManager::initialize: already initialized!" ); + + m_xComponent = _rxComponent; + m_xAggregatedRowSet = _rxComponentAggregate; + if ( m_xAggregatedRowSet.is() ) + m_xAggregatedRowSet->queryAggregation( cppu::UnoType<decltype(m_xInnerParamUpdate)>::get() ) >>= m_xInnerParamUpdate; + OSL_ENSURE( m_xComponent.get().is() && m_xInnerParamUpdate.is(), "ParameterManager::initialize: invalid arguments!" ); + if ( !m_xComponent.get().is() || !m_xInnerParamUpdate.is() ) + return; + } + + + void ParameterManager::dispose( ) + { + clearAllParameterInformation(); + + m_xComposer.clear(); + m_xParentComposer.clear(); + //m_xComponent.clear(); + m_xInnerParamUpdate.clear(); + m_xAggregatedRowSet.clear(); + } + + + void ParameterManager::clearAllParameterInformation() + { + m_xInnerParamColumns.clear(); + if ( m_pOuterParameters.is() ) + m_pOuterParameters->dispose(); + m_pOuterParameters = nullptr; + m_nInnerCount = 0; + ParameterInformation aEmptyInfo; + m_aParameterInformation.swap( aEmptyInfo ); + m_aMasterFields.clear(); + m_aDetailFields.clear(); + m_sIdentifierQuoteString.clear(); + m_sSpecialCharacters.clear(); + m_xConnectionMetadata.clear(); + std::vector< bool > aEmptyArray; + m_aParametersVisited.swap( aEmptyArray ); + m_bUpToDate = false; + } + + + void ParameterManager::setAllParametersNull() + { + OSL_PRECOND( isAlive(), "ParameterManager::setAllParametersNull: not initialized, or already disposed!" ); + if ( !isAlive() ) + return; + + for ( sal_Int32 i = 1; i <= m_nInnerCount; ++i ) + m_xInnerParamUpdate->setNull( i, DataType::VARCHAR ); + } + + + bool ParameterManager::initializeComposerByComponent( const Reference< XPropertySet >& _rxComponent ) + { + OSL_PRECOND( _rxComponent.is(), "ParameterManager::initializeComposerByComponent: invalid !" ); + + m_xComposer.clear(); + m_xInnerParamColumns.clear(); + m_nInnerCount = 0; + + // create and fill a composer + try + { + // get a query composer for the 's settings + m_xComposer.reset( getCurrentSettingsComposer( _rxComponent, m_xContext, nullptr ), SharedQueryComposer::TakeOwnership ); + + // see if the composer found parameters + Reference< XParametersSupplier > xParamSupp( m_xComposer, UNO_QUERY ); + if ( xParamSupp.is() ) + m_xInnerParamColumns = xParamSupp->getParameters(); + + if ( m_xInnerParamColumns.is() ) + m_nInnerCount = m_xInnerParamColumns->getCount(); + } + catch( const SQLException& ) + { + } + + return m_xInnerParamColumns.is(); + } + + + void ParameterManager::collectInnerParameters( bool _bSecondRun ) + { + OSL_PRECOND( m_xInnerParamColumns.is(), "ParameterManager::collectInnerParameters: missing some internal data!" ); + if ( !m_xInnerParamColumns.is() ) + return; + + // strip previous index information + if ( _bSecondRun ) + { + for (auto & paramInfo : m_aParameterInformation) + { + paramInfo.second.aInnerIndexes.clear(); + } + } + + // we need to map the parameter names (which is all we get from the 's + // MasterFields property) to indices, which are needed by the XParameters + // interface of the row set) + Reference<XPropertySet> xParam; + for ( sal_Int32 i = 0; i < m_nInnerCount; ++i ) + { + try + { + xParam.clear(); + m_xInnerParamColumns->getByIndex( i ) >>= xParam; + + OUString sName; + xParam->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME) ) >>= sName; + + // only append additional parameters when they are not already in the list + ParameterInformation::iterator aExistentPos = m_aParameterInformation.find( sName ); + OSL_ENSURE( !_bSecondRun || ( aExistentPos != m_aParameterInformation.end() ), + "ParameterManager::collectInnerParameters: the parameter information should already exist in the second run!" ); + + if ( aExistentPos == m_aParameterInformation.end() ) + { + aExistentPos = m_aParameterInformation.emplace( + sName, xParam ).first; + } + else + aExistentPos->second.xComposerColumn = xParam; + + aExistentPos->second.aInnerIndexes.push_back( i ); + } + catch( const Exception& ) + { + TOOLS_WARN_EXCEPTION( "connectivity.commontools", "ParameterManager::collectInnerParameters" ); + } + } + } + + + OUString ParameterManager::createFilterConditionFromColumnLink( + const OUString &_rMasterColumn, const Reference < XPropertySet > &xDetailField, OUString &o_rNewParamName ) + { + OUString sFilter; + // format is: + // <detail_column> = :<new_param_name> + { + OUString tblName; + xDetailField->getPropertyValue("TableName") >>= tblName; + if (!tblName.isEmpty()) + sFilter = ::dbtools::quoteTableName( m_xConnectionMetadata, tblName, ::dbtools::EComposeRule::InDataManipulation ) + "."; + } + { + OUString colName; + xDetailField->getPropertyValue("RealName") >>= colName; + bool isFunction(false); + xDetailField->getPropertyValue("Function") >>= isFunction; + if (isFunction) + sFilter += colName; + else + sFilter += quoteName( m_sIdentifierQuoteString, colName ); + } + + // generate a parameter name which is not already used + o_rNewParamName = "link_from_"; + o_rNewParamName += convertName2SQLName( _rMasterColumn, m_sSpecialCharacters ); + while ( m_aParameterInformation.find( o_rNewParamName ) != m_aParameterInformation.end() ) + { + o_rNewParamName += "_"; + } + + return sFilter + " =:" + o_rNewParamName; + } + + + void ParameterManager::classifyLinks( const Reference< XNameAccess >& _rxParentColumns, + const Reference< XNameAccess >& _rxColumns, + std::vector< OUString >& _out_rAdditionalFilterComponents, + std::vector< OUString >& _out_rAdditionalHavingComponents ) + { + OSL_PRECOND( m_aMasterFields.size() == m_aDetailFields.size(), + "ParameterManager::classifyLinks: master and detail fields should have the same length!" ); + OSL_ENSURE( _rxColumns.is(), "ParameterManager::classifyLinks: invalid columns!" ); + + if ( !_rxColumns.is() ) + return; + + // we may need to strip any links which are invalid, so here go the containers + // for temporarily holding the new pairs + std::vector< OUString > aStrippedMasterFields; + std::vector< OUString > aStrippedDetailFields; + + bool bNeedExchangeLinks = false; + + // classify the links + auto pMasterFields = m_aMasterFields.begin(); + auto pDetailFields = m_aDetailFields.begin(); + auto pDetailFieldsEnd = m_aDetailFields.end(); + for ( ; pDetailFields != pDetailFieldsEnd; ++pDetailFields, ++pMasterFields ) + { + if ( pMasterFields->isEmpty() || pDetailFields->isEmpty() ) + continue; + + // if not even the master part of the relationship exists in the parent, the + // link is invalid as a whole #i63674# + if ( !_rxParentColumns->hasByName( *pMasterFields ) ) + { + bNeedExchangeLinks = true; + continue; + } + + bool bValidLink = true; + + // is there an inner parameter with this name? That is, a parameter which is already part of + // the very original statement (not the one we create ourselves, with the additional parameters) + ParameterInformation::iterator aPos = m_aParameterInformation.find( *pDetailFields ); + if ( aPos != m_aParameterInformation.end() ) + { // there is an inner parameter with this name + aPos->second.eType = ParameterClassification::LinkedByParamName; + aStrippedDetailFields.push_back( *pDetailFields ); + } + else + { + // does the detail name denote a column? + if ( _rxColumns->hasByName( *pDetailFields ) ) + { + Reference< XPropertySet > xDetailField(_rxColumns->getByName( *pDetailFields ), UNO_QUERY); + assert(xDetailField.is()); + + OUString sNewParamName; + const OUString sFilterCondition = createFilterConditionFromColumnLink( *pMasterFields, xDetailField, sNewParamName ); + OSL_PRECOND( !sNewParamName.isEmpty(), "ParameterManager::classifyLinks: createFilterConditionFromColumnLink returned nonsense!" ); + + // remember meta information about this new parameter + std::pair< ParameterInformation::iterator, bool > aInsertionPos = + m_aParameterInformation.emplace( + sNewParamName, ParameterMetaData( nullptr ) + ); + OSL_ENSURE( aInsertionPos.second, "ParameterManager::classifyLinks: there already was a parameter with this name!" ); + aInsertionPos.first->second.eType = ParameterClassification::LinkedByColumnName; + + // remember the filter component + if (isAggregateColumn(xDetailField)) + _out_rAdditionalHavingComponents.push_back( sFilterCondition ); + else + _out_rAdditionalFilterComponents.push_back( sFilterCondition ); + + // remember the new "detail field" for this link + aStrippedDetailFields.push_back( sNewParamName ); + bNeedExchangeLinks = true; + } + else + { + // the detail field neither denotes a column name, nor a parameter name + bValidLink = false; + bNeedExchangeLinks = true; + } + } + + if ( bValidLink ) + aStrippedMasterFields.push_back( *pMasterFields ); + } + SAL_WARN_IF( aStrippedMasterFields.size() != aStrippedDetailFields.size(), + "connectivity.commontools", + "ParameterManager::classifyLinks: inconsistency in new link pairs!" ); + + if ( bNeedExchangeLinks ) + { + m_aMasterFields.swap(aStrippedMasterFields); + m_aDetailFields.swap(aStrippedDetailFields); + } + } + + + void ParameterManager::analyzeFieldLinks( FilterManager& _rFilterManager, bool& /* [out] */ _rColumnsInLinkDetails ) + { + OSL_PRECOND( isAlive(), "ParameterManager::analyzeFieldLinks: not initialized, or already disposed!" ); + if ( !isAlive() ) + return; + + _rColumnsInLinkDetails = false; + try + { + // the links as determined by the properties + Reference< XPropertySet > xProp = m_xComponent; + OSL_ENSURE(xProp.is(),"Someone already released my component!"); + if ( xProp.is() ) + { + Sequence<OUString> aTmp; + if (xProp->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_MASTERFIELDS) ) >>= aTmp) + comphelper::sequenceToContainer(m_aMasterFields, aTmp); + if (xProp->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DETAILFIELDS) ) >>= aTmp) + comphelper::sequenceToContainer(m_aDetailFields, aTmp); + } + + { + // normalize to equal length + sal_Int32 nMasterLength = m_aMasterFields.size(); + sal_Int32 nDetailLength = m_aDetailFields.size(); + + if ( nMasterLength > nDetailLength ) + m_aMasterFields.resize( nDetailLength ); + else if ( nDetailLength > nMasterLength ) + m_aDetailFields.resize( nMasterLength ); + } + + Reference< XNameAccess > xColumns; + if ( !getColumns( xColumns, true ) ) + // already asserted in getColumns + return; + + Reference< XNameAccess > xParentColumns; + if ( !getParentColumns( xParentColumns, true ) ) + return; + + // classify the links - depending on what the detail fields in each link pair denotes + std::vector< OUString > aAdditionalFilterComponents; + std::vector< OUString > aAdditionalHavingComponents; + classifyLinks( xParentColumns, xColumns, aAdditionalFilterComponents, aAdditionalHavingComponents ); + + // did we find links where the detail field refers to a detail column (instead of a parameter name)? + if ( !aAdditionalFilterComponents.empty() ) + { + // build a conjunction of all the filter components + OUStringBuffer sAdditionalFilter; + for (auto const& elem : aAdditionalFilterComponents) + { + if ( !sAdditionalFilter.isEmpty() ) + sAdditionalFilter.append(" AND "); + + sAdditionalFilter.append("( "); + sAdditionalFilter.append(elem); + sAdditionalFilter.append(" )"); + } + + // now set this filter at the filter manager + _rFilterManager.setFilterComponent( FilterManager::FilterComponent::LinkFilter, sAdditionalFilter.makeStringAndClear() ); + + _rColumnsInLinkDetails = true; + } + + if ( !aAdditionalHavingComponents.empty() ) + { + // build a conjunction of all the filter components + OUStringBuffer sAdditionalHaving; + for (auto const& elem : aAdditionalHavingComponents) + { + if ( !sAdditionalHaving.isEmpty() ) + sAdditionalHaving.append(" AND "); + + sAdditionalHaving.append("( "); + sAdditionalHaving.append(elem); + sAdditionalHaving.append(" )"); + } + + // now set this having clause at the filter manager + _rFilterManager.setFilterComponent( FilterManager::FilterComponent::LinkHaving, sAdditionalHaving.makeStringAndClear() ); + + _rColumnsInLinkDetails = true; + } + } + catch( const Exception& ) + { + TOOLS_WARN_EXCEPTION( "connectivity.commontools", "ParameterManager::analyzeFieldLinks" ); + } + } + + + void ParameterManager::createOuterParameters() + { + OSL_PRECOND( !m_pOuterParameters.is(), "ParameterManager::createOuterParameters: outer parameters not initialized!" ); + OSL_PRECOND( m_xInnerParamUpdate.is(), "ParameterManager::createOuterParameters: no write access to the inner parameters!" ); + if ( !m_xInnerParamUpdate.is() ) + return; + + m_pOuterParameters = new param::ParameterWrapperContainer; + +#if OSL_DEBUG_LEVEL > 0 + sal_Int32 nSmallestIndexLinkedByColumnName = -1; + sal_Int32 nLargestIndexNotLinkedByColumnName = -1; +#endif + for (auto & aParam : m_aParameterInformation) + { +#if OSL_DEBUG_LEVEL > 0 + if ( aParam.second.aInnerIndexes.size() ) + { + if ( aParam.second.eType == ParameterClassification::LinkedByColumnName ) + { + if ( nSmallestIndexLinkedByColumnName == -1 ) + nSmallestIndexLinkedByColumnName = aParam.second.aInnerIndexes[ 0 ]; + } + else + { + nLargestIndexNotLinkedByColumnName = aParam.second.aInnerIndexes[ aParam.second.aInnerIndexes.size() - 1 ]; + } + } +#endif + if ( aParam.second.eType != ParameterClassification::FilledExternally ) + continue; + + // check which of the parameters have already been visited (e.g. filled via XParameters) + size_t nAlreadyVisited = 0; + for (auto & aIndex : aParam.second.aInnerIndexes) + { + if ( ( m_aParametersVisited.size() > o3tl::make_unsigned(aIndex) ) && m_aParametersVisited[ aIndex ] ) + { // exclude this index + aIndex = -1; + ++nAlreadyVisited; + } + } + if ( nAlreadyVisited == aParam.second.aInnerIndexes.size() ) + continue; + + // need a wrapper for this... the "inner parameters" as supplied by a result set don't have a "Value" + // property, but the parameter listeners expect such a property. So we need an object "aggregating" + // xParam and supplying an additional property ("Value") + // (it's no real aggregation of course...) + m_pOuterParameters->push_back( new param::ParameterWrapper( aParam.second.xComposerColumn, m_xInnerParamUpdate, aParam.second.aInnerIndexes ) ); + } + +#if OSL_DEBUG_LEVEL > 0 + OSL_ENSURE( ( nSmallestIndexLinkedByColumnName == -1 ) || ( nLargestIndexNotLinkedByColumnName == -1 ) || + ( nSmallestIndexLinkedByColumnName > nLargestIndexNotLinkedByColumnName ), + "ParameterManager::createOuterParameters: inconsistency!" ); + + // for the master-detail links, where the detail field denoted a column name, we created an additional ("artificial") + // filter, and *appended* it to all other (potentially) existing filters of the row set. This means that the indexes + // for the parameters resulting from the artificial filter should be larger than any other parameter index, and this + // is what the assertion checks. + // If the assertion fails, then we would need another handling for the "parameters visited" flags, since they're based + // on parameter indexes *without* the artificial filter (because this filter is not visible from the outside). +#endif + } + + + void ParameterManager::updateParameterInfo( FilterManager& _rFilterManager ) + { + OSL_PRECOND( isAlive(), "ParameterManager::updateParameterInfo: not initialized, or already disposed!" ); + if ( !isAlive() ) + return; + + clearAllParameterInformation(); + cacheConnectionInfo(); + + // check whether the is based on a statement/query which requires parameters + Reference< XPropertySet > xProp = m_xComponent; + OSL_ENSURE(xProp.is(),"Some already released my component!"); + if ( xProp.is() ) + { + if ( !initializeComposerByComponent( xProp ) ) + { // okay, nothing to do + m_bUpToDate = true; + return; + } // if ( !initializeComposerByComponent( m_xComponent ) ) + } + SAL_WARN_IF( !m_xInnerParamColumns.is(), + "connectivity.commontools", + "ParameterManager::updateParameterInfo: initializeComposerByComponent did nonsense (1)!" ); + + // collect all parameters which are defined by the "inner parameters" + collectInnerParameters( false ); + + // analyze the master-detail relationships + bool bColumnsInLinkDetails = false; + analyzeFieldLinks( _rFilterManager, bColumnsInLinkDetails ); + + if ( bColumnsInLinkDetails ) + { + // okay, in this case, analyzeFieldLinks modified the "real" filter at the RowSet, to contain + // an additional restriction (which we created ourself) + // So we need to update all information about our inner parameter columns + Reference< XPropertySet > xDirectRowSetProps; + m_xAggregatedRowSet->queryAggregation( cppu::UnoType<decltype(xDirectRowSetProps)>::get() ) >>= xDirectRowSetProps; + OSL_VERIFY( initializeComposerByComponent( xDirectRowSetProps ) ); + collectInnerParameters( true ); + } + + if ( !m_nInnerCount ) + { // no parameters at all + m_bUpToDate = true; + return; + } + + // for what now remains as outer parameters, create the wrappers for the single + // parameter columns + createOuterParameters(); + + m_bUpToDate = true; + } + + + void ParameterManager::fillLinkedParameters( const Reference< XNameAccess >& _rxParentColumns ) + { + OSL_PRECOND( isAlive(), "ParameterManager::fillLinkedParameters: not initialized, or already disposed!" ); + if ( !isAlive() ) + return; + OSL_PRECOND( m_xInnerParamColumns.is(), "ParameterManager::fillLinkedParameters: no inner parameters found!" ); + OSL_ENSURE ( _rxParentColumns.is(), "ParameterManager::fillLinkedParameters: invalid parent columns!" ); + + try + { + // the master and detail field( name)s of the + auto pMasterFields = m_aMasterFields.begin(); + auto pDetailFields = m_aDetailFields.begin(); + + sal_Int32 nMasterLen = m_aMasterFields.size(); + + // loop through all master fields. For each of them, get the respective column from the + // parent , and forward its current value as parameter value to the (inner) row set + for ( sal_Int32 i = 0; i < nMasterLen; ++i, ++pMasterFields, ++pDetailFields ) + { + // does the name denote a valid column in the parent? + if ( !_rxParentColumns->hasByName( *pMasterFields ) ) + { + SAL_WARN( "connectivity.commontools", "ParameterManager::fillLinkedParameters: invalid master names should have been stripped long before!" ); + continue; + } + + // do we, for this name, know where to place the values? + ParameterInformation::const_iterator aParamInfo = m_aParameterInformation.find( *pDetailFields ); + if ( ( aParamInfo == m_aParameterInformation.end() ) + || ( aParamInfo->second.aInnerIndexes.empty() ) + ) + { + SAL_WARN( "connectivity.commontools", "ParameterManager::fillLinkedParameters: nothing known about this detail field!" ); + continue; + } + + // the concrete master field + Reference< XPropertySet > xMasterField(_rxParentColumns->getByName( *pMasterFields ),UNO_QUERY); + + // the positions where we have to fill in values for the current parameter name + for (auto const& aPosition : aParamInfo->second.aInnerIndexes) + { + // the concrete detail field + Reference< XPropertySet > xDetailField(m_xInnerParamColumns->getByIndex(aPosition),UNO_QUERY); + OSL_ENSURE( xDetailField.is(), "ParameterManager::fillLinkedParameters: invalid detail field!" ); + if ( !xDetailField.is() ) + continue; + + // type and scale of the parameter field + sal_Int32 nParamType = DataType::VARCHAR; + OSL_VERIFY( xDetailField->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE) ) >>= nParamType ); + + sal_Int32 nScale = 0; + if ( xDetailField->getPropertySetInfo()->hasPropertyByName( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE) ) ) + OSL_VERIFY( xDetailField->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE) ) >>= nScale ); + + // transfer the param value + try + { + m_xInnerParamUpdate->setObjectWithInfo( + aPosition + 1, // parameters are based at 1 + xMasterField->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_VALUE) ), + nParamType, + nScale + ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("connectivity.commontools"); + SAL_WARN( "connectivity.commontools", "ParameterManager::fillLinkedParameters: master-detail parameter number " << + sal_Int32( aPosition + 1 ) << " could not be filled!" ); + } + } + } + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("connectivity.commontools"); + } + } + + + bool ParameterManager::completeParameters( const Reference< XInteractionHandler >& _rxCompletionHandler, const Reference< XConnection >& _rxConnection ) + { + OSL_PRECOND( isAlive(), "ParameterManager::completeParameters: not initialized, or already disposed!" ); + OSL_ENSURE ( _rxCompletionHandler.is(), "ParameterManager::completeParameters: invalid interaction handler!" ); + + // two continuations (Ok and Cancel) + OInteractionAbort* pAbort = new OInteractionAbort; + OParameterContinuation* pParams = new OParameterContinuation; + + // the request + ParametersRequest aRequest; + aRequest.Parameters = m_pOuterParameters.get(); + aRequest.Connection = _rxConnection; + OInteractionRequest* pRequest = new OInteractionRequest( makeAny( aRequest ) ); + Reference< XInteractionRequest > xRequest( pRequest ); + + // some knittings + pRequest->addContinuation( pAbort ); + pRequest->addContinuation( pParams ); + + // execute the request + try + { + _rxCompletionHandler->handle( xRequest ); + } + catch( const Exception& ) + { + TOOLS_WARN_EXCEPTION( "connectivity.commontools", "ParameterManager::completeParameters: caught an exception while calling the handler" ); + } + + if ( !pParams->wasSelected() ) + // canceled by the user (i.e. (s)he canceled the dialog) + return false; + + try + { + // transfer the values from the continuation object to the parameter columns + const Sequence< PropertyValue >& aFinalValues = pParams->getValues(); + const PropertyValue* pFinalValues = aFinalValues.getConstArray(); + for ( sal_Int32 i = 0; i < aFinalValues.getLength(); ++i, ++pFinalValues ) + { + Reference< XPropertySet > xParamColumn(aRequest.Parameters->getByIndex( i ),UNO_QUERY); + if ( xParamColumn.is() ) + { + #ifdef DBG_UTIL + OUString sName; + xParamColumn->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME) ) >>= sName; + OSL_ENSURE( sName == pFinalValues->Name, "ParameterManager::completeParameters: inconsistent parameter names!" ); + #endif + xParamColumn->setPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_VALUE), pFinalValues->Value ); + // the property sets are wrapper classes, translating the Value property into a call to + // the appropriate XParameters interface + } + } + } + catch( const Exception& ) + { + TOOLS_WARN_EXCEPTION( "connectivity.commontools", "ParameterManager::completeParameters: caught an exception while propagating the values" ); + } + return true; + } + + + bool ParameterManager::consultParameterListeners( ::osl::ResettableMutexGuard& _rClearForNotifies ) + { + bool bCanceled = false; + + sal_Int32 nParamsLeft = m_pOuterParameters->getParameters().size(); + // TODO: shouldn't we subtract all the parameters which were already visited? + if ( nParamsLeft ) + { + ::comphelper::OInterfaceIteratorHelper2 aIter( m_aParameterListeners ); + Reference< XPropertySet > xProp = m_xComponent; + OSL_ENSURE(xProp.is(),"Some already released my component!"); + DatabaseParameterEvent aEvent( xProp.get(), m_pOuterParameters.get() ); + + _rClearForNotifies.clear(); + while ( aIter.hasMoreElements() && !bCanceled ) + bCanceled = !static_cast< XDatabaseParameterListener* >( aIter.next() )->approveParameter( aEvent ); + _rClearForNotifies.reset(); + } + + return !bCanceled; + } + + + bool ParameterManager::fillParameterValues( const Reference< XInteractionHandler >& _rxCompletionHandler, ::osl::ResettableMutexGuard& _rClearForNotifies ) + { + OSL_PRECOND( isAlive(), "ParameterManager::fillParameterValues: not initialized, or already disposed!" ); + if ( !isAlive() ) + return true; + + if ( m_nInnerCount == 0 ) + // no parameters at all + return true; + + // fill the parameters from the master-detail relationship + Reference< XNameAccess > xParentColumns; + if ( getParentColumns( xParentColumns, false ) && xParentColumns->hasElements() && !m_aMasterFields.empty() ) + fillLinkedParameters( xParentColumns ); + + // let the user (via the interaction handler) fill all remaining parameters + Reference< XConnection > xConnection; + getConnection( xConnection ); + + if ( _rxCompletionHandler.is() ) + return completeParameters( _rxCompletionHandler, xConnection ); + + return consultParameterListeners( _rClearForNotifies ); + } + + + void ParameterManager::getConnection( Reference< XConnection >& /* [out] */ _rxConnection ) + { + OSL_PRECOND( isAlive(), "ParameterManager::getConnection: not initialized, or already disposed!" ); + if ( !isAlive() ) + return; + + _rxConnection.clear(); + try + { + Reference< XPropertySet > xProp = m_xComponent; + OSL_ENSURE(xProp.is(),"Some already released my component!"); + if ( xProp.is() ) + xProp->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ACTIVE_CONNECTION) ) >>= _rxConnection; + } + catch( const Exception& ) + { + SAL_WARN( "connectivity.commontools", "ParameterManager::getConnection: could not retrieve the connection of the !" ); + } + } + + + void ParameterManager::cacheConnectionInfo() + { + try + { + Reference< XConnection > xConnection; + getConnection( xConnection ); + Reference< XDatabaseMetaData > xMeta; + if ( xConnection.is() ) + xMeta = xConnection->getMetaData(); + if ( xMeta.is() ) + { + m_xConnectionMetadata = xMeta; + m_sIdentifierQuoteString = xMeta->getIdentifierQuoteString(); + m_sSpecialCharacters = xMeta->getExtraNameCharacters(); + } + } + catch( const Exception& ) + { + TOOLS_WARN_EXCEPTION( "connectivity.commontools", "ParameterManager::cacheConnectionInfo: caught an exception" ); + } + } + + + bool ParameterManager::getColumns( Reference< XNameAccess >& /* [out] */ _rxColumns, bool _bFromComposer ) + { + _rxColumns.clear(); + + Reference< XColumnsSupplier > xColumnSupp; + if ( _bFromComposer ) + xColumnSupp.set(m_xComposer, css::uno::UNO_QUERY); + else + xColumnSupp.set( m_xComponent.get(),UNO_QUERY); + if ( xColumnSupp.is() ) + _rxColumns = xColumnSupp->getColumns(); + OSL_ENSURE( _rxColumns.is(), "ParameterManager::getColumns: could not retrieve the columns for the detail !" ); + + return _rxColumns.is(); + } + + + bool ParameterManager::getParentColumns( Reference< XNameAccess >& /* [out] */ _out_rxParentColumns, bool _bFromComposer ) + { + OSL_PRECOND( isAlive(), "ParameterManager::getParentColumns: not initialized, or already disposed!" ); + + _out_rxParentColumns.clear(); + try + { + // get the parent of the component we're working for + Reference< XChild > xAsChild( m_xComponent.get(), UNO_QUERY_THROW ); + Reference< XPropertySet > xParent( xAsChild->getParent(), UNO_QUERY ); + if ( !xParent.is() ) + return false; + + // the columns supplier: either from a composer, or directly from the + Reference< XColumnsSupplier > xParentColSupp; + if ( _bFromComposer ) + { + // re-create the parent composer all the time. Else, we'd have to bother with + // being a listener at its properties, its loaded state, and event the parent-relationship. + m_xParentComposer.reset( + getCurrentSettingsComposer( xParent, m_xContext, nullptr ), + SharedQueryComposer::TakeOwnership + ); + xParentColSupp.set(m_xParentComposer, css::uno::UNO_QUERY); + } + else + xParentColSupp.set(xParent, css::uno::UNO_QUERY); + + // get the columns of the parent + if ( xParentColSupp.is() ) + _out_rxParentColumns = xParentColSupp->getColumns(); + } + catch( const Exception& ) + { + TOOLS_WARN_EXCEPTION( "connectivity.commontools", "ParameterManager::getParentColumns" ); + } + return _out_rxParentColumns.is(); + } + + + void ParameterManager::addParameterListener( const Reference< XDatabaseParameterListener >& _rxListener ) + { + if ( _rxListener.is() ) + m_aParameterListeners.addInterface( _rxListener ); + } + + + void ParameterManager::removeParameterListener( const Reference< XDatabaseParameterListener >& _rxListener ) + { + m_aParameterListeners.removeInterface( _rxListener ); + } + + + void ParameterManager::resetParameterValues( ) + { + OSL_PRECOND( isAlive(), "ParameterManager::resetParameterValues: not initialized, or already disposed!" ); + if ( !isAlive() ) + return; + + if ( !m_nInnerCount ) + // no parameters at all + return; + + try + { + Reference< XNameAccess > xColumns; + if ( !getColumns( xColumns, false ) ) + // already asserted in getColumns + return; + + Reference< XNameAccess > xParentColumns; + if ( !getParentColumns( xParentColumns, false ) ) + return; + + // loop through all links pairs + auto pMasterFields = m_aMasterFields.begin(); + auto pDetailFields = m_aDetailFields.begin(); + + Reference< XPropertySet > xMasterField; + Reference< XPropertySet > xDetailField; + + // now really .... + auto pDetailFieldsEnd = m_aDetailFields.end(); + for ( ; pDetailFields != pDetailFieldsEnd; ++pDetailFields, ++pMasterFields ) + { + if ( !xParentColumns->hasByName( *pMasterFields ) ) + { + // if this name is unknown in the parent columns, then we don't have a source + // for copying the value to the detail columns + SAL_WARN( "connectivity.commontools", "ParameterManager::resetParameterValues: this should have been stripped long before!" ); + continue; + } + + // for all inner parameters which are bound to the name as specified by the + // slave element of the link, propagate the value from the master column to this + // parameter column + ParameterInformation::const_iterator aParamInfo = m_aParameterInformation.find( *pDetailFields ); + if ( ( aParamInfo == m_aParameterInformation.end() ) + || ( aParamInfo->second.aInnerIndexes.empty() ) + ) + { + SAL_WARN( "connectivity.commontools", "ParameterManager::resetParameterValues: nothing known about this detail field!" ); + continue; + } + + xParentColumns->getByName( *pMasterFields ) >>= xMasterField; + if ( !xMasterField.is() ) + continue; + + for (auto const& aPosition : aParamInfo->second.aInnerIndexes) + { + Reference< XPropertySet > xInnerParameter; + m_xInnerParamColumns->getByIndex(aPosition) >>= xInnerParameter; + if ( !xInnerParameter.is() ) + continue; + + OUString sParamColumnRealName; + xInnerParameter->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_REALNAME) ) >>= sParamColumnRealName; + if ( xColumns->hasByName( sParamColumnRealName ) ) + { // our own columns have a column which's name equals the real name of the param column + // -> transfer the value property + xColumns->getByName( sParamColumnRealName ) >>= xDetailField; + if ( xDetailField.is() ) + xDetailField->setPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_VALUE), xMasterField->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_VALUE) ) ); + } + } + } + } + catch( const Exception& ) + { + TOOLS_WARN_EXCEPTION( "connectivity.commontools", "ParameterManager::resetParameterValues" ); + } + + } + + + void ParameterManager::externalParameterVisited( sal_Int32 _nIndex ) + { + if ( m_aParametersVisited.size() < o3tl::make_unsigned(_nIndex) ) + { + m_aParametersVisited.reserve( _nIndex ); + for ( sal_Int32 i = m_aParametersVisited.size(); i < _nIndex; ++i ) + m_aParametersVisited.push_back( false ); + } + m_aParametersVisited[ _nIndex - 1 ] = true; + } + +#define VISIT_PARAMETER( method ) \ + ::osl::MutexGuard aGuard( m_rMutex ); \ + OSL_ENSURE( m_xInnerParamUpdate.is(), "ParameterManager::XParameters::setXXX: no XParameters access to the RowSet!" ); \ + if ( !m_xInnerParamUpdate.is() ) \ + return; \ + m_xInnerParamUpdate->method; \ + externalParameterVisited( _nIndex ) \ + + + void ParameterManager::setNull( sal_Int32 _nIndex, sal_Int32 sqlType ) + { + VISIT_PARAMETER( setNull( _nIndex, sqlType ) ); + } + + + void ParameterManager::setObjectNull( sal_Int32 _nIndex, sal_Int32 sqlType, const OUString& typeName ) + { + VISIT_PARAMETER( setObjectNull( _nIndex, sqlType, typeName ) ); + } + + + void ParameterManager::setBoolean( sal_Int32 _nIndex, bool x ) + { + VISIT_PARAMETER( setBoolean( _nIndex, x ) ); + } + + + void ParameterManager::setByte( sal_Int32 _nIndex, sal_Int8 x ) + { + VISIT_PARAMETER( setByte( _nIndex, x ) ); + } + + + void ParameterManager::setShort( sal_Int32 _nIndex, sal_Int16 x ) + { + VISIT_PARAMETER( setShort( _nIndex, x ) ); + } + + + void ParameterManager::setInt( sal_Int32 _nIndex, sal_Int32 x ) + { + VISIT_PARAMETER( setInt( _nIndex, x ) ); + } + + + void ParameterManager::setLong( sal_Int32 _nIndex, sal_Int64 x ) + { + VISIT_PARAMETER( setLong( _nIndex, x ) ); + } + + + void ParameterManager::setFloat( sal_Int32 _nIndex, float x ) + { + VISIT_PARAMETER( setFloat( _nIndex, x ) ); + } + + + void ParameterManager::setDouble( sal_Int32 _nIndex, double x ) + { + VISIT_PARAMETER( setDouble( _nIndex, x ) ); + } + + + void ParameterManager::setString( sal_Int32 _nIndex, const OUString& x ) + { + VISIT_PARAMETER( setString( _nIndex, x ) ); + } + + + void ParameterManager::setBytes( sal_Int32 _nIndex, const css::uno::Sequence< sal_Int8 >& x ) + { + VISIT_PARAMETER( setBytes( _nIndex, x ) ); + } + + + void ParameterManager::setDate( sal_Int32 _nIndex, const css::util::Date& x ) + { + VISIT_PARAMETER( setDate( _nIndex, x ) ); + } + + + void ParameterManager::setTime( sal_Int32 _nIndex, const css::util::Time& x ) + { + VISIT_PARAMETER( setTime( _nIndex, x ) ); + } + + + void ParameterManager::setTimestamp( sal_Int32 _nIndex, const css::util::DateTime& x ) + { + VISIT_PARAMETER( setTimestamp( _nIndex, x ) ); + } + + + void ParameterManager::setBinaryStream( sal_Int32 _nIndex, const css::uno::Reference< css::io::XInputStream>& x, sal_Int32 length ) + { + VISIT_PARAMETER( setBinaryStream( _nIndex, x, length ) ); + } + + + void ParameterManager::setCharacterStream( sal_Int32 _nIndex, const css::uno::Reference< css::io::XInputStream>& x, sal_Int32 length ) + { + VISIT_PARAMETER( setCharacterStream( _nIndex, x, length ) ); + } + + + void ParameterManager::setObject( sal_Int32 _nIndex, const css::uno::Any& x ) + { + VISIT_PARAMETER( setObject( _nIndex, x ) ); + } + + + void ParameterManager::setObjectWithInfo( sal_Int32 _nIndex, const css::uno::Any& x, sal_Int32 targetSqlType, sal_Int32 scale ) + { + VISIT_PARAMETER( setObjectWithInfo( _nIndex, x, targetSqlType, scale ) ); + } + + + void ParameterManager::setRef( sal_Int32 _nIndex, const css::uno::Reference< css::sdbc::XRef>& x ) + { + VISIT_PARAMETER( setRef( _nIndex, x ) ); + } + + + void ParameterManager::setBlob( sal_Int32 _nIndex, const css::uno::Reference< css::sdbc::XBlob>& x ) + { + VISIT_PARAMETER( setBlob( _nIndex, x ) ); + } + + + void ParameterManager::setClob( sal_Int32 _nIndex, const css::uno::Reference< css::sdbc::XClob>& x ) + { + VISIT_PARAMETER( setClob( _nIndex, x ) ); + } + + + void ParameterManager::setArray( sal_Int32 _nIndex, const css::uno::Reference< css::sdbc::XArray>& x ) + { + VISIT_PARAMETER( setArray( _nIndex, x ) ); + } + + + void ParameterManager::clearParameters( ) + { + if ( m_xInnerParamUpdate.is() ) + m_xInnerParamUpdate->clearParameters( ); + } + + void SAL_CALL OParameterContinuation::setParameters( const Sequence< PropertyValue >& _rValues ) + { + m_aValues = _rValues; + } + + +} // namespace frm + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |