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Diffstat (limited to 'dbaccess/source/core/api/resultcolumn.cxx')
| -rw-r--r-- | dbaccess/source/core/api/resultcolumn.cxx | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/dbaccess/source/core/api/resultcolumn.cxx b/dbaccess/source/core/api/resultcolumn.cxx new file mode 100644 index 000000000..938e7d1d3 --- /dev/null +++ b/dbaccess/source/core/api/resultcolumn.cxx @@ -0,0 +1,296 @@ +/* -*- 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 "resultcolumn.hxx" +#include <com/sun/star/beans/PropertyAttribute.hpp> +#include <com/sun/star/sdbc/SQLException.hpp> +#include <com/sun/star/sdbc/DataType.hpp> +#include <com/sun/star/sdbc/ColumnValue.hpp> +#include <com/sun/star/sdbc/XRow.hpp> +#include <tools/diagnose_ex.h> +#include <stringconstants.hxx> +#include <strings.hxx> + +using namespace ::com::sun::star::sdbc; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::container; +using namespace ::osl; +using namespace ::comphelper; +using namespace ::cppu; +using namespace dbaccess; + + +OResultColumn::OResultColumn( const Reference < XResultSetMetaData >& _xMetaData, sal_Int32 _nPos, + const Reference< XDatabaseMetaData >& _rxDBMeta ) + :OColumn( true ) + ,m_xMetaData( _xMetaData ) + ,m_xDBMetaData( _rxDBMeta ) + ,m_nPos( _nPos ) +{ +} + +void OResultColumn::impl_determineIsRowVersion_nothrow() +{ + if ( m_aIsRowVersion.hasValue() ) + return; + m_aIsRowVersion <<= false; + + OSL_ENSURE( m_xDBMetaData.is(), "OResultColumn::impl_determineIsRowVersion_nothrow: no DBMetaData!" ); + if ( !m_xDBMetaData.is() ) + return; + + try + { + OUString sCatalog, sSchema, sTable, sColumnName; + getPropertyValue( PROPERTY_CATALOGNAME ) >>= sCatalog; + getPropertyValue( PROPERTY_SCHEMANAME ) >>= sSchema; + getPropertyValue( PROPERTY_TABLENAME ) >>= sTable; + getPropertyValue( PROPERTY_NAME ) >>= sColumnName; + + try + { + Reference< XResultSet > xVersionColumns = m_xDBMetaData->getVersionColumns( + Any( sCatalog ), sSchema, sTable ); + if ( xVersionColumns.is() ) // allowed to be NULL + { + Reference< XRow > xResultRow( xVersionColumns, UNO_QUERY_THROW ); + while ( xVersionColumns->next() ) + { + if ( xResultRow->getString( 2 ) == sColumnName ) + { + m_aIsRowVersion <<= true; + break; + } + } + } + } + catch(const SQLException&) + { + } + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } +} + +OResultColumn::~OResultColumn() +{ +} + +// css::lang::XTypeProvider +Sequence< sal_Int8 > OResultColumn::getImplementationId() +{ + return css::uno::Sequence<sal_Int8>(); +} + +// XServiceInfo +OUString OResultColumn::getImplementationName( ) +{ + return "com.sun.star.sdb.OResultColumn"; +} + +Sequence< OUString > OResultColumn::getSupportedServiceNames( ) +{ + return { SERVICE_SDBCX_COLUMN, SERVICE_SDB_RESULTCOLUMN }; +} + +// OComponentHelper +void OResultColumn::disposing() +{ + OColumn::disposing(); + + MutexGuard aGuard(m_aMutex); + m_xMetaData = nullptr; +} + +// comphelper::OPropertyArrayUsageHelper +::cppu::IPropertyArrayHelper* OResultColumn::createArrayHelper( ) const +{ + return new ::cppu::OPropertyArrayHelper + { + { + { PROPERTY_CATALOGNAME, PROPERTY_ID_CATALOGNAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_DISPLAYSIZE, PROPERTY_ID_DISPLAYSIZE, cppu::UnoType<sal_Int32>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_ISAUTOINCREMENT, PROPERTY_ID_ISAUTOINCREMENT, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_ISCASESENSITIVE, PROPERTY_ID_ISCASESENSITIVE, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_ISCURRENCY, PROPERTY_ID_ISCURRENCY, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_ISDEFINITELYWRITABLE, PROPERTY_ID_ISDEFINITELYWRITABLE, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_ISNULLABLE, PROPERTY_ID_ISNULLABLE, cppu::UnoType<sal_Int32>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_ISREADONLY, PROPERTY_ID_ISREADONLY, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_ISROWVERSION, PROPERTY_ID_ISROWVERSION, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_ISSEARCHABLE, PROPERTY_ID_ISSEARCHABLE, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_ISSIGNED, PROPERTY_ID_ISSIGNED, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_ISWRITABLE, PROPERTY_ID_ISWRITABLE, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_LABEL, PROPERTY_ID_LABEL, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_NAME, PROPERTY_ID_NAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_PRECISION, PROPERTY_ID_PRECISION, cppu::UnoType<sal_Int32>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_SCALE, PROPERTY_ID_SCALE, cppu::UnoType<sal_Int32>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_SCHEMANAME, PROPERTY_ID_SCHEMANAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_SERVICENAME, PROPERTY_ID_SERVICENAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_TABLENAME, PROPERTY_ID_TABLENAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_TYPE, PROPERTY_ID_TYPE, cppu::UnoType<sal_Int32>::get(), css::beans::PropertyAttribute::READONLY }, + { PROPERTY_TYPENAME, PROPERTY_ID_TYPENAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY } + } + }; +} + +// cppu::OPropertySetHelper +::cppu::IPropertyArrayHelper& OResultColumn::getInfoHelper() +{ + return *static_cast< ::comphelper::OPropertyArrayUsageHelper< OResultColumn >* >(this)->getArrayHelper(); +} + +namespace +{ + template< typename T > + void obtain( Any& _out_rValue, ::std::optional< T > & _rCache, const sal_Int32 _nPos, const Reference < XResultSetMetaData >& _rxResultMeta, T (SAL_CALL XResultSetMetaData::*Getter)( sal_Int32 ) ) + { + if ( !_rCache ) + _rCache = (_rxResultMeta.get()->*Getter)(_nPos); + _out_rValue <<= *_rCache; + } +} + +void OResultColumn::getFastPropertyValue( Any& rValue, sal_Int32 nHandle ) const +{ + try + { + if ( OColumn::isRegisteredProperty( nHandle ) ) + { + OColumn::getFastPropertyValue( rValue, nHandle ); + } + else + { + switch (nHandle) + { + case PROPERTY_ID_ISROWVERSION: + const_cast< OResultColumn* >( this )->impl_determineIsRowVersion_nothrow(); + rValue = m_aIsRowVersion; + break; + case PROPERTY_ID_TABLENAME: + rValue <<= m_xMetaData->getTableName(m_nPos); + break; + case PROPERTY_ID_SCHEMANAME: + rValue <<= m_xMetaData->getSchemaName(m_nPos); + break; + case PROPERTY_ID_CATALOGNAME: + rValue <<= m_xMetaData->getCatalogName(m_nPos); + break; + case PROPERTY_ID_ISSIGNED: + obtain( rValue, m_isSigned, m_nPos, m_xMetaData, &XResultSetMetaData::isSigned ); + break; + case PROPERTY_ID_ISCURRENCY: + obtain( rValue, m_isCurrency, m_nPos, m_xMetaData, &XResultSetMetaData::isCurrency ); + break; + case PROPERTY_ID_ISSEARCHABLE: + obtain( rValue, m_bSearchable, m_nPos, m_xMetaData, &XResultSetMetaData::isSearchable ); + break; + case PROPERTY_ID_ISCASESENSITIVE: + obtain( rValue, m_isCaseSensitive, m_nPos, m_xMetaData, &XResultSetMetaData::isCaseSensitive ); + break; + case PROPERTY_ID_ISREADONLY: + obtain( rValue, m_isReadOnly, m_nPos, m_xMetaData, &XResultSetMetaData::isReadOnly ); + break; + case PROPERTY_ID_ISWRITABLE: + obtain( rValue, m_isWritable, m_nPos, m_xMetaData, &XResultSetMetaData::isWritable ); + break; + case PROPERTY_ID_ISDEFINITELYWRITABLE: + obtain( rValue, m_isDefinitelyWritable, m_nPos, m_xMetaData, &XResultSetMetaData::isDefinitelyWritable ); + break; + case PROPERTY_ID_ISAUTOINCREMENT: + obtain( rValue, m_isAutoIncrement, m_nPos, m_xMetaData, &XResultSetMetaData::isAutoIncrement ); + break; + case PROPERTY_ID_SERVICENAME: + rValue <<= m_xMetaData->getColumnServiceName(m_nPos); + break; + case PROPERTY_ID_LABEL: + obtain( rValue, m_sColumnLabel, m_nPos, m_xMetaData, &XResultSetMetaData::getColumnLabel ); + break; + case PROPERTY_ID_DISPLAYSIZE: + obtain( rValue, m_nColumnDisplaySize, m_nPos, m_xMetaData, &XResultSetMetaData::getColumnDisplaySize ); + break; + case PROPERTY_ID_TYPE: + obtain( rValue, m_nColumnType, m_nPos, m_xMetaData, &XResultSetMetaData::getColumnType ); + break; + case PROPERTY_ID_PRECISION: + obtain( rValue, m_nPrecision, m_nPos, m_xMetaData, &XResultSetMetaData::getPrecision ); + break; + case PROPERTY_ID_SCALE: + obtain( rValue, m_nScale, m_nPos, m_xMetaData, &XResultSetMetaData::getScale ); + break; + case PROPERTY_ID_ISNULLABLE: + obtain( rValue, m_isNullable, m_nPos, m_xMetaData, &XResultSetMetaData::isNullable ); + break; + case PROPERTY_ID_TYPENAME: + rValue <<= m_xMetaData->getColumnTypeName(m_nPos); + break; + default: + OSL_FAIL( "OResultColumn::getFastPropertyValue: unknown property handle!" ); + break; + } + } + } + catch (SQLException& ) + { + // default handling if we caught an exception + switch (nHandle) + { + case PROPERTY_ID_LABEL: + case PROPERTY_ID_TYPENAME: + case PROPERTY_ID_SERVICENAME: + case PROPERTY_ID_TABLENAME: + case PROPERTY_ID_SCHEMANAME: + case PROPERTY_ID_CATALOGNAME: + // empty string'S + rValue <<= OUString(); + break; + case PROPERTY_ID_ISROWVERSION: + case PROPERTY_ID_ISAUTOINCREMENT: + case PROPERTY_ID_ISWRITABLE: + case PROPERTY_ID_ISDEFINITELYWRITABLE: + case PROPERTY_ID_ISCASESENSITIVE: + case PROPERTY_ID_ISSEARCHABLE: + case PROPERTY_ID_ISCURRENCY: + case PROPERTY_ID_ISSIGNED: + { + rValue <<= false; + } break; + case PROPERTY_ID_ISREADONLY: + { + rValue <<= true; + } break; + case PROPERTY_ID_SCALE: + case PROPERTY_ID_PRECISION: + case PROPERTY_ID_DISPLAYSIZE: + rValue <<= sal_Int32(0); + break; + case PROPERTY_ID_TYPE: + rValue <<= sal_Int32(DataType::SQLNULL); + break; + case PROPERTY_ID_ISNULLABLE: + rValue <<= ColumnValue::NULLABLE_UNKNOWN; + break; + } + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |