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path: root/dbaccess/source/core/api/resultcolumn.cxx
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/*************************************************************************
 *
 * 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: resultcolumn.cxx,v $
 * $Revision: 1.10 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * 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
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_dbaccess.hxx"
#ifndef _DBACORE_RESULTCOLUMN_HXX_
#include "resultcolumn.hxx"
#endif
#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
#include <com/sun/star/lang/DisposedException.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_XRESULTSETMETADATASUPPLIER_HPP_
#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_DATATYPE_HPP_
#include <com/sun/star/sdbc/DataType.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_COLUMNVALUE_HPP_
#include <com/sun/star/sdbc/ColumnValue.hpp>
#endif
#ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
#include <cppuhelper/typeprovider.hxx>
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef TOOLS_DIAGNOSE_EX_H
#include <tools/diagnose_ex.h>
#endif
#ifndef DBACCESS_SHARED_DBASTRINGS_HRC
#include "dbastrings.hrc"
#endif
#ifndef _DBASHARED_APITOOLS_HXX_
#include "apitools.hxx"
#endif
#ifndef _COM_SUN_STAR_BEANS_PROPERTYATTRIBUTE_HPP_
#include <com/sun/star/beans/PropertyAttribute.hpp>
#endif
#ifndef _CPPUHELPER_EXC_HLP_HXX_
#include <cppuhelper/exc_hlp.hxx>
#endif
#ifndef _OSL_THREAD_H_
#include <osl/thread.h>
#endif

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;

DBG_NAME(OResultColumn)
//--------------------------------------------------------------------------
OResultColumn::OResultColumn( const Reference < XResultSetMetaData >& _xMetaData, sal_Int32 _nPos,
        const Reference< XDatabaseMetaData >& _rxDBMeta )
    :OColumn( true )
    ,m_xMetaData( _xMetaData )
    ,m_xDBMetaData( _rxDBMeta )
    ,m_nPos( _nPos )
{
    DBG_CTOR(OResultColumn,NULL);
}
// -----------------------------------------------------------------------------
void OResultColumn::impl_determineIsRowVersion_nothrow()
{
    if ( m_aIsRowVersion.hasValue() )
        return;
    m_aIsRowVersion <<= (sal_Bool)(sal_False);

    OSL_ENSURE( m_xDBMetaData.is(), "OResultColumn::impl_determineIsRowVersion_nothrow: no DBMetaData!" );
    if ( !m_xDBMetaData.is() )
        return;
    
    try
    {
        ::rtl::OUString sCatalog, sSchema, sTable, sColumnName;
        getPropertyValue( PROPERTY_CATALOGNAME ) >>= sCatalog;
        getPropertyValue( PROPERTY_SCHEMANAME ) >>= sSchema;
        getPropertyValue( PROPERTY_TABLENAME ) >>= sTable;
        getPropertyValue( PROPERTY_NAME ) >>= sColumnName;

        Reference< XResultSet > xVersionColumns = m_xDBMetaData->getVersionColumns(
            makeAny( 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 <<= (sal_Bool)(sal_True);
                    break;
                }
            }
        }
    }
    catch( const Exception& )
    {
        DBG_UNHANDLED_EXCEPTION();
    }
}
// -----------------------------------------------------------------------------
OResultColumn::~OResultColumn()
{
    DBG_DTOR(OResultColumn,NULL);
}
// com::sun::star::lang::XTypeProvider
//--------------------------------------------------------------------------
Sequence< sal_Int8 > OResultColumn::getImplementationId() throw (RuntimeException)
{
    static OImplementationId * pId = 0;
    if (! pId)
    {
        MutexGuard aGuard( Mutex::getGlobalMutex() );
        if (! pId)
        {
            static OImplementationId aId;
            pId = &aId;
        }
    }
    return pId->getImplementationId();
}

// XServiceInfo
//------------------------------------------------------------------------------
rtl::OUString OResultColumn::getImplementationName(  ) throw(RuntimeException)
{
    return rtl::OUString::createFromAscii("com.sun.star.sdb.OResultColumn");
}

//------------------------------------------------------------------------------
Sequence< ::rtl::OUString > OResultColumn::getSupportedServiceNames(  ) throw (RuntimeException)
{
    Sequence< ::rtl::OUString > aSNS( 2 );
    aSNS[0] = SERVICE_SDBCX_COLUMN;
    aSNS[1] = SERVICE_SDB_RESULTCOLUMN;
    return aSNS;
}

// OComponentHelper
//------------------------------------------------------------------------------
void OResultColumn::disposing()
{
    OColumn::disposing();

    MutexGuard aGuard(m_aMutex);
    m_xMetaData = NULL;
}

// comphelper::OPropertyArrayUsageHelper
//------------------------------------------------------------------------------
::cppu::IPropertyArrayHelper* OResultColumn::createArrayHelper( ) const
{
    BEGIN_PROPERTY_HELPER(21)
        DECL_PROP1(CATALOGNAME,				::rtl::OUString,	READONLY);
        DECL_PROP1(DISPLAYSIZE,				sal_Int32,			READONLY);
        DECL_PROP1_BOOL(ISAUTOINCREMENT,						READONLY);
        DECL_PROP1_BOOL(ISCASESENSITIVE,						READONLY);
        DECL_PROP1_BOOL(ISCURRENCY,								READONLY);
        DECL_PROP1_BOOL(ISDEFINITELYWRITABLE,					READONLY);
        DECL_PROP1(ISNULLABLE,				sal_Int32,			READONLY);
        DECL_PROP1_BOOL(ISREADONLY,								READONLY);
        DECL_PROP1_BOOL(ISROWVERSION,                           READONLY);
        DECL_PROP1_BOOL(ISSEARCHABLE,							READONLY);
        DECL_PROP1_BOOL(ISSIGNED,								READONLY);
        DECL_PROP1_BOOL(ISWRITABLE,								READONLY);
        DECL_PROP1(LABEL,					::rtl::OUString,	READONLY);
        DECL_PROP1(NAME,					::rtl::OUString,	READONLY);
        DECL_PROP1(PRECISION,				sal_Int32,			READONLY);
        DECL_PROP1(SCALE,					sal_Int32,			READONLY);
        DECL_PROP1(SCHEMANAME,				::rtl::OUString,	READONLY);
        DECL_PROP1(SERVICENAME,				::rtl::OUString,	READONLY);
        DECL_PROP1(TABLENAME,				::rtl::OUString,	READONLY);
        DECL_PROP1(TYPE,					sal_Int32,			READONLY);
        DECL_PROP1(TYPENAME,				::rtl::OUString,	READONLY);
    END_PROPERTY_HELPER();
}

// cppu::OPropertySetHelper
//------------------------------------------------------------------------------
::cppu::IPropertyArrayHelper& OResultColumn::getInfoHelper()
{
    return *static_cast< ::comphelper::OPropertyArrayUsageHelper< OResultColumn >* >(this)->getArrayHelper();
}

//------------------------------------------------------------------------------
namespace
{
    template< typename TYPE >
    void obtain( Any& _out_rValue, ::boost::optional< TYPE > _rCache, const sal_Int32 _nPos, const Reference < XResultSetMetaData >& _rxResultMeta, TYPE (SAL_CALL XResultSetMetaData::*Getter)( sal_Int32 ) )
    {
        if ( !_rCache )
            _rCache.reset( (_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_ENSURE( false, "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 <<= rtl::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:
            {
                sal_Bool bVal = sal_False;
                rValue.setValue(&bVal, getBooleanCppuType());
            }	break;
            case PROPERTY_ID_ISREADONLY:
            {
                sal_Bool bVal = sal_True;
                rValue.setValue(&bVal, getBooleanCppuType());
            }	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;
        }
    }
}