office-gobmx/connectivity/source/commontools/parameters.cxx
Kurt Zenker 10c7bc1b2f INTEGRATION: CWS dba30b (1.2.2); FILE MERGED
2008/04/15 21:48:51 fs 1.2.2.2: RESYNC: (1.2-1.3); FILE MERGED
2008/03/17 12:33:11 fs 1.2.2.1: #i87125# use correct property name when asking for a detail field's type
2008-05-05 14:04:15 +00:00

1106 lines
48 KiB
C++

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: parameters.cxx,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
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*
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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*
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "connectivity/parameters.hxx"
/** === begin UNO includes === **/
#include <com/sun/star/form/DatabaseParameterEvent.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/container/XEnumerationAccess.hpp>
#include <com/sun/star/sdb/XParametersSupplier.hpp>
#include <com/sun/star/sdb/XInteractionSupplyParameters.hpp>
#include <com/sun/star/sdb/ParametersRequest.hpp>
/** === end UNO includes === **/
#include <connectivity/dbtools.hxx>
#include "connectivity/filtermanager.hxx"
#include "TConnection.hxx"
#include <tools/debug.hxx>
#include <tools/diagnose_ex.h>
#include <comphelper/uno3.hxx>
#include <comphelper/proparrhlp.hxx>
#include <comphelper/broadcasthelper.hxx>
#include "connectivity/ParameterCont.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::ParameterManager( ::osl::Mutex& _rMutex, const Reference< XMultiServiceFactory >& _rxORB )
:m_rMutex ( _rMutex )
,m_aParameterListeners( _rMutex )
,m_xORB ( _rxORB )
,m_pOuterParameters ( NULL )
,m_nInnerCount ( 0 )
,m_bUpToDate ( false )
{
OSL_ENSURE( m_xORB.is(), "ParameterManager::ParameterManager: no service factory!" );
}
//--------------------------------------------------------------------
void ParameterManager::initialize( const Reference< XPropertySet >& _rxComponent, const Reference< XAggregation >& _rxComponentAggregate )
{
OSL_ENSURE( !m_xComponent.is(), "ParameterManager::initialize: already initialized!" );
m_xComponent = _rxComponent;
m_xAggregatedRowSet = _rxComponentAggregate;
if ( m_xAggregatedRowSet.is() )
m_xAggregatedRowSet->queryAggregation( ::getCppuType( &m_xInnerParamUpdate ) ) >>= m_xInnerParamUpdate;
OSL_ENSURE( m_xComponent.is() && m_xInnerParamUpdate.is(), "ParameterManager::initialize: invalid arguments!" );
if ( !m_xComponent.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 = NULL;
if ( m_pOuterParameters.is() )
m_pOuterParameters->dispose();
m_pOuterParameters = NULL;
m_nInnerCount = 0;
ParameterInformation aEmptyInfo;
m_aParameterInformation.swap( aEmptyInfo );
m_aMasterFields.realloc( 0 );
m_aDetailFields.realloc( 0 );
m_sIdentifierQuoteString = ::rtl::OUString();
::std::vector< bool > aEmptyArray;
m_aParametersVisited.swap( aEmptyArray );
m_bUpToDate = false;
}
//--------------------------------------------------------------------
void ParameterManager::disposing( const EventObject& /*_rDisposingEvent*/ )
{
}
//--------------------------------------------------------------------
void ParameterManager::setAllParametersNull() SAL_THROW( ( SQLException, RuntimeException ) )
{
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_xORB ), 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 informations
if ( _bSecondRun )
{
for ( ParameterInformation::iterator aParamInfo = m_aParameterInformation.begin();
aParamInfo != m_aParameterInformation.end();
++aParamInfo
)
{
aParamInfo->second.aInnerIndexes.clear();
}
}
// we need to map the parameter names (which is all we get from the 's
// MasterFields property) to indicies, 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;
::rtl::OUString sName;
xParam->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME) ) >>= sName;
// only append additonal paramters 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.insert( ParameterInformation::value_type(
sName, xParam ) ).first;
}
else
aExistentPos->second.xComposerColumn = xParam;
aExistentPos->second.aInnerIndexes.push_back( i );
}
catch( const Exception& )
{
OSL_ENSURE( sal_False, "ParameterManager::collectInnerParameters: caught an exception!" );
}
}
}
//--------------------------------------------------------------------
::rtl::OUString ParameterManager::createFilterConditionFromColumnLink(
const ::rtl::OUString& _rMasterColumn, const ::rtl::OUString& _rDetailLink, ::rtl::OUString& _rNewParamName )
{
::rtl::OUString sFilter;
// format is:
// <detail_column> = :<new_param_name>
sFilter = quoteName( m_sIdentifierQuoteString, _rDetailLink );
sFilter += ::rtl::OUString::createFromAscii( " = :" );
// generate a parameter name which is not already used
_rNewParamName = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "link_from_" ) );
_rNewParamName += convertName2SQLName( _rMasterColumn, m_sSpecialCharacters );
while ( m_aParameterInformation.find( _rNewParamName ) != m_aParameterInformation.end() )
{
_rNewParamName += ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "_" ) );
}
return sFilter += _rNewParamName;
}
//--------------------------------------------------------------------
void ParameterManager::classifyLinks( const Reference< XNameAccess >& _rxParentColumns,
const Reference< XNameAccess >& _rxColumns, ::std::vector< ::rtl::OUString >& _out_rAdditionalFilterComponents ) SAL_THROW(( Exception ))
{
OSL_PRECOND( m_aMasterFields.getLength() == m_aDetailFields.getLength(),
"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 temporarirly holding the new pairs
::std::vector< ::rtl::OUString > aStrippedMasterFields;
::std::vector< ::rtl::OUString > aStrippedDetailFields;
bool bNeedExchangeLinks = false;
// classify the links
const ::rtl::OUString* pMasterFields = m_aMasterFields.getConstArray();
const ::rtl::OUString* pDetailFields = m_aDetailFields.getConstArray();
const ::rtl::OUString* pDetailFieldsEnd = pDetailFields + m_aDetailFields.getLength();
for ( ; pDetailFields < pDetailFieldsEnd; ++pDetailFields, ++pMasterFields )
{
if ( !pMasterFields->getLength() || !pDetailFields->getLength() )
continue;
// if not even the master part of the relationship exists in the parent , the
// link is invalid as a whole
// #i63674# / 2006-03-28 / frank.schoenheit@sun.com
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 ourselve, 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 = eLinkedByParamName;
aStrippedDetailFields.push_back( *pDetailFields );
}
else
{
// does the detail name denote a column?
if ( _rxColumns->hasByName( *pDetailFields ) )
{
::rtl::OUString sNewParamName;
const ::rtl::OUString sFilterCondition = createFilterConditionFromColumnLink( *pMasterFields, *pDetailFields, sNewParamName );
OSL_PRECOND( sNewParamName.getLength(), "ParameterManager::classifyLinks: createFilterConditionFromColumnLink returned nonsense!" );
// remember meta information about this new parameter
::std::pair< ParameterInformation::iterator, bool > aInsertionPos =
m_aParameterInformation.insert(
ParameterInformation::value_type( sNewParamName, ParameterMetaData( NULL ) )
);
OSL_ENSURE( aInsertionPos.second, "ParameterManager::classifyLinks: there already was a parameter with this name!" );
aInsertionPos.first->second.eType = eLinkedByColumnName;
// remember the filter component
_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 );
}
OSL_POSTCOND( aStrippedMasterFields.size() == aStrippedDetailFields.size(),
"ParameterManager::classifyLinks: inconsistency in new link pairs!" );
if ( bNeedExchangeLinks )
{
::rtl::OUString *pFields = aStrippedMasterFields.empty() ? 0 : &aStrippedMasterFields[0];
m_aMasterFields = Sequence< ::rtl::OUString >( pFields, aStrippedMasterFields.size() );
pFields = aStrippedDetailFields.empty() ? 0 : &aStrippedDetailFields[0];
m_aDetailFields = Sequence< ::rtl::OUString >( pFields, aStrippedDetailFields.size() );
}
}
//--------------------------------------------------------------------
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
m_xComponent->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_MASTERFIELDS) ) >>= m_aMasterFields;
m_xComponent->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DETAILFIELDS) ) >>= m_aDetailFields;
{
// normalize to equal length
sal_Int32 nMasterLength = m_aMasterFields.getLength();
sal_Int32 nDetailLength = m_aDetailFields.getLength();
if ( nMasterLength > nDetailLength )
m_aMasterFields.realloc( nDetailLength );
else if ( nDetailLength > nMasterLength )
m_aDetailFields.realloc( 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< ::rtl::OUString > aAdditionalFilterComponents;
classifyLinks( xParentColumns, xColumns, aAdditionalFilterComponents );
// 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
::rtl::OUString sAdditionalFilter;
for ( ::std::vector< ::rtl::OUString >::const_iterator aComponent = aAdditionalFilterComponents.begin();
aComponent != aAdditionalFilterComponents.end();
++aComponent
)
{
::rtl::OUString sBracketed( RTL_CONSTASCII_USTRINGPARAM( "( " ) );
sBracketed += *aComponent;
sBracketed += ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( " )" ) );
if ( sAdditionalFilter.getLength() )
sAdditionalFilter += ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( " AND " ) );
sAdditionalFilter += sBracketed;
}
// now set this filter at the 's filter manager
_rFilterManager.setFilterComponent( FilterManager::fcLinkFilter, sAdditionalFilter );
_rColumnsInLinkDetails = true;
}
}
catch( const Exception& )
{
OSL_ENSURE( sal_False, "ParameterManager::analyzeFieldLinks: caught an exception!" );
}
}
//--------------------------------------------------------------------
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
::rtl::OUString sName;
for ( ParameterInformation::iterator aParam = m_aParameterInformation.begin();
aParam != m_aParameterInformation.end();
++aParam
)
{
#if OSL_DEBUG_LEVEL > 0
if ( aParam->second.aInnerIndexes.size() )
if ( aParam->second.eType == eLinkedByColumnName )
{
if ( nSmallestIndexLinkedByColumnName == -1 )
nSmallestIndexLinkedByColumnName = aParam->second.aInnerIndexes[ 0 ];
}
else
{
nLargestIndexNotLinkedByColumnName = aParam->second.aInnerIndexes[ aParam->second.aInnerIndexes.size() - 1 ];
}
#endif
if ( aParam->second.eType != eFilledExternally )
continue;
// check which of the parameters have already been visited (e.g. filled via XParameters)
size_t nAlreadyVisited = 0;
for ( ::std::vector< sal_Int32 >::iterator aIndex = aParam->second.aInnerIndexes.begin();
aIndex != aParam->second.aInnerIndexes.end();
++aIndex
)
{
if ( ( m_aParametersVisited.size() > (size_t)*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 addtional ("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 artifical 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
if ( !initializeComposerByComponent( m_xComponent ) )
{ // okay, nothing to do
m_bUpToDate = true;
return;
}
OSL_POSTCOND( m_xInnerParamColumns.is(), "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( ::getCppuType( &xDirectRowSetProps ) ) >>= 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
const ::rtl::OUString* pMasterFields = m_aMasterFields.getConstArray();
const ::rtl::OUString* pDetailFields = m_aDetailFields.getConstArray();
sal_Int32 nMasterLen = m_aMasterFields.getLength();
Any aParamType, aScale, aValue;
// loop through all master fields. For each of them, get the respective column from the
// parent , and forward it's current value as paramter 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 ) )
{
OSL_ENSURE( sal_False, "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() )
)
{
OSL_ENSURE( sal_False, "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 ( ::std::vector< sal_Int32 >::const_iterator aPosition = aParamInfo->second.aInnerIndexes.begin();
aPosition != aParamInfo->second.aInnerIndexes.end();
++aPosition
)
{
// 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& )
{
OSL_ENSURE( sal_False,
::rtl::OString( "ParameterManager::fillLinkedParameters: master-detail parameter number " )
+= ::rtl::OString::valueOf( sal_Int32( *aPosition + 1 ) )
+= ::rtl::OString( " could not be filled!" ) );
}
}
}
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
//--------------------------------------------------------------------
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& )
{
OSL_ENSURE( sal_False, "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
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
::rtl::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& )
{
OSL_ENSURE( sal_False, "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 )
{
::cppu::OInterfaceIteratorHelper aIter( m_aParameterListeners );
DatabaseParameterEvent aEvent( m_xComponent.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.getLength() )
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 );
}
//--------------------------------------------------------------------
bool ParameterManager::getConnection( Reference< XConnection >& /* [out] */ _rxConnection )
{
OSL_PRECOND( isAlive(), "ParameterManager::getConnection: not initialized, or already disposed!" );
if ( !isAlive() )
return false;
_rxConnection.clear();
try
{
m_xComponent->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ACTIVE_CONNECTION) ) >>= _rxConnection;
}
catch( const Exception& )
{
OSL_ENSURE( sal_False, "ParameterManager::getConnection: could not retrieve the connection of the !" );
}
return _rxConnection.is();
}
//--------------------------------------------------------------------
void ParameterManager::cacheConnectionInfo() SAL_THROW(( ))
{
try
{
Reference< XConnection > xConnection;
getConnection( xConnection );
Reference< XDatabaseMetaData > xMeta;
if ( xConnection.is() )
xMeta = xConnection->getMetaData();
if ( xMeta.is() )
{
m_sIdentifierQuoteString = xMeta->getIdentifierQuoteString();
m_sSpecialCharacters = xMeta->getExtraNameCharacters();
}
}
catch( const Exception& )
{
OSL_ENSURE( sal_False, "ParameterManager::cacheConnectionInfo: caught an exception!" );
}
}
//--------------------------------------------------------------------
bool ParameterManager::getColumns( Reference< XNameAccess >& /* [out] */ _rxColumns, bool _bFromComposer ) SAL_THROW(( Exception ))
{
_rxColumns.clear();
Reference< XColumnsSupplier > xColumnSupp;
if ( _bFromComposer )
xColumnSupp = xColumnSupp.query( m_xComposer );
else
xColumnSupp = xColumnSupp.query( m_xComponent );
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, 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_xORB ),
SharedQueryComposer::TakeOwnership
);
xParentColSupp = xParentColSupp.query( m_xParentComposer );
}
else
xParentColSupp = xParentColSupp.query( xParent );
// get the columns of the parent
if ( xParentColSupp.is() )
_out_rxParentColumns = xParentColSupp->getColumns();
}
catch( const Exception& )
{
OSL_ENSURE( sal_False, "ParameterManager::getParentColumns: caught an exception!" );
}
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( ) SAL_THROW(())
{
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
const ::rtl::OUString* pMasterFields = m_aMasterFields.getConstArray();
const ::rtl::OUString* pDetailFields = m_aDetailFields.getConstArray();
Reference< XPropertySet > xMasterField;
Reference< XPropertySet > xDetailField;
// now really ....
const ::rtl::OUString* pDetailFieldsEnd = pDetailFields + m_aDetailFields.getLength();
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
OSL_ENSURE( sal_False, "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() )
)
{
OSL_ENSURE( sal_False, "ParameterManager::resetParameterValues: nothing known about this detail field!" );
continue;
}
xParentColumns->getByName( *pMasterFields ) >>= xMasterField;
if ( !xMasterField.is() )
continue;
for ( ::std::vector< sal_Int32 >::const_iterator aPosition = aParamInfo->second.aInnerIndexes.begin();
aPosition != aParamInfo->second.aInnerIndexes.end();
++aPosition
)
{
Reference< XPropertySet > xInnerParameter;
m_xInnerParamColumns->getByIndex( *aPosition ) >>= xInnerParameter;
if ( !xInnerParameter.is() )
continue;
::rtl::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& )
{
OSL_ENSURE( sal_False, "ParameterManager::resetParameterValues: caught an exception!" );
}
}
//--------------------------------------------------------------------
void ParameterManager::externalParameterVisited( sal_Int32 _nIndex )
{
if ( m_aParametersVisited.size() < (size_t)_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 ::rtl::OUString& typeName )
{
VISIT_PARAMETER( setObjectNull( _nIndex, sqlType, typeName ) );
}
//--------------------------------------------------------------------
void ParameterManager::setBoolean( sal_Int32 _nIndex, sal_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 ::rtl::OUString& x )
{
VISIT_PARAMETER( setString( _nIndex, x ) );
}
//--------------------------------------------------------------------
void ParameterManager::setBytes( sal_Int32 _nIndex, const ::com::sun::star::uno::Sequence< sal_Int8 >& x )
{
VISIT_PARAMETER( setBytes( _nIndex, x ) );
}
//--------------------------------------------------------------------
void ParameterManager::setDate( sal_Int32 _nIndex, const ::com::sun::star::util::Date& x )
{
VISIT_PARAMETER( setDate( _nIndex, x ) );
}
//--------------------------------------------------------------------
void ParameterManager::setTime( sal_Int32 _nIndex, const ::com::sun::star::util::Time& x )
{
VISIT_PARAMETER( setTime( _nIndex, x ) );
}
//--------------------------------------------------------------------
void ParameterManager::setTimestamp( sal_Int32 _nIndex, const ::com::sun::star::util::DateTime& x )
{
VISIT_PARAMETER( setTimestamp( _nIndex, x ) );
}
//--------------------------------------------------------------------
void ParameterManager::setBinaryStream( sal_Int32 _nIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream>& x, sal_Int32 length )
{
VISIT_PARAMETER( setBinaryStream( _nIndex, x, length ) );
}
//--------------------------------------------------------------------
void ParameterManager::setCharacterStream( sal_Int32 _nIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream>& x, sal_Int32 length )
{
VISIT_PARAMETER( setCharacterStream( _nIndex, x, length ) );
}
//--------------------------------------------------------------------
void ParameterManager::setObject( sal_Int32 _nIndex, const ::com::sun::star::uno::Any& x )
{
VISIT_PARAMETER( setObject( _nIndex, x ) );
}
//--------------------------------------------------------------------
void ParameterManager::setObjectWithInfo( sal_Int32 _nIndex, const ::com::sun::star::uno::Any& x, sal_Int32 targetSqlType, sal_Int32 scale )
{
VISIT_PARAMETER( setObjectWithInfo( _nIndex, x, targetSqlType, scale ) );
}
//--------------------------------------------------------------------
void ParameterManager::setRef( sal_Int32 _nIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRef>& x )
{
VISIT_PARAMETER( setRef( _nIndex, x ) );
}
//--------------------------------------------------------------------
void ParameterManager::setBlob( sal_Int32 _nIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XBlob>& x )
{
VISIT_PARAMETER( setBlob( _nIndex, x ) );
}
//--------------------------------------------------------------------
void ParameterManager::setClob( sal_Int32 _nIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XClob>& x )
{
VISIT_PARAMETER( setClob( _nIndex, x ) );
}
//--------------------------------------------------------------------
void ParameterManager::setArray( sal_Int32 _nIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XArray>& x )
{
VISIT_PARAMETER( setArray( _nIndex, x ) );
}
//--------------------------------------------------------------------
void ParameterManager::clearParameters( )
{
if ( m_xInnerParamUpdate.is() )
m_xInnerParamUpdate->clearParameters( );
}
//====================================================================
//= OParameterContinuation
//====================================================================
//--------------------------------------------------------------------
void SAL_CALL OParameterContinuation::setParameters( const Sequence< PropertyValue >& _rValues ) throw( RuntimeException )
{
m_aValues = _rValues;
}
//........................................................................
} // namespace frm
//........................................................................