xref: /trunk/main/connectivity/source/drivers/dbase/DCode.cxx (revision cf6516809c57e1bb0a940545cca99cdad54d4ce2)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "dbase/DCode.hxx"
#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
#include "dbase/DIndex.hxx"
#include "dbase/DIndexIter.hxx"


using namespace connectivity::dbase;
using namespace connectivity::file;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::container;

TYPEINIT1(OFILEOperandAttr, OOperandAttr);
// -----------------------------------------------------------------------------
OOperandAttr* OFILEAnalyzer::createOperandAttr(sal_Int32 _nPos,
                                               const Reference< XPropertySet>& _xCol,
                                               const Reference< XNameAccess>& _xIndexes)
{
    return new OFILEOperandAttr((sal_uInt16)_nPos,_xCol,_xIndexes);
}

//------------------------------------------------------------------
OFILEOperandAttr::OFILEOperandAttr(sal_uInt16 _nPos,
                                   const Reference< XPropertySet>& _xColumn,
                                   const Reference< XNameAccess>& _xIndexes)
    : OOperandAttr(_nPos,_xColumn)
{
    if(_xIndexes.is())
    {
        ::rtl::OUString sName;
        Reference<XPropertySetInfo> xColInfo = _xColumn->getPropertySetInfo();
        Reference<XPropertySet> xIndex;

        Sequence< ::rtl::OUString> aSeq = _xIndexes->getElementNames();
        const ::rtl::OUString* pBegin = aSeq.getConstArray();
        const ::rtl::OUString* pEnd   = pBegin + aSeq.getLength();
        for(;pBegin != pEnd;++pBegin)
        {
            _xIndexes->getByName(*pBegin) >>= xIndex;
            if(xIndex.is())
            {
                Reference<XColumnsSupplier> xColsSup(xIndex,UNO_QUERY);
                Reference<XNameAccess> xNameAccess = xColsSup->getColumns();
                _xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= sName;
                if(xNameAccess->hasByName(sName))
                {
                    m_xIndex = xIndex;
                    break;
                }
                else if(xColInfo->hasPropertyByName(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_REALNAME)))
                {
                    _xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_REALNAME)) >>= sName;
                    if(xNameAccess->hasByName(sName))
                    {
                        m_xIndex = xIndex;
                        break;
                    }
                }
            }
        }
    }

}
// -------------------------------------------------------------------------
sal_Bool OFILEOperandAttr::isIndexed() const
{
    return m_xIndex.is();
}
//------------------------------------------------------------------
OEvaluateSet* OFILEOperandAttr::preProcess(OBoolOperator* pOp, OOperand* pRight)
{
    OEvaluateSet* pEvaluateSet = NULL;
    if (isIndexed())
    {
        Reference<XUnoTunnel> xTunnel(m_xIndex,UNO_QUERY);
        if(xTunnel.is())
        {
            ODbaseIndex* pIndex = reinterpret_cast< ODbaseIndex* >( xTunnel->getSomething(ODbaseIndex::getUnoTunnelImplementationId()) );
            if(pIndex)
            {
                OIndexIterator* pIter = pIndex->createIterator(pOp,pRight);

                if (pIter)
                {
                    pEvaluateSet = new OEvaluateSet();
                    sal_uIntPtr nRec = pIter->First();
                    while (nRec != NODE_NOTFOUND)
                    {
                        (*pEvaluateSet)[nRec] = nRec;
                        nRec = pIter->Next();
                    }
                }
                delete pIter;
            }
        }
    }
    return pEvaluateSet;
}