diff options
Diffstat (limited to 'qlparser/qtoid.cc')
| -rw-r--r-- | qlparser/qtoid.cc | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/qlparser/qtoid.cc b/qlparser/qtoid.cc new file mode 100644 index 0000000..6b6d01b --- /dev/null +++ b/qlparser/qtoid.cc @@ -0,0 +1,179 @@ +/* +* This file is part of rasdaman community. +* +* Rasdaman community is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* Rasdaman community 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 General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>. +* +* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann / +rasdaman GmbH. +* +* For more information please see <http://www.rasdaman.org> +* or contact Peter Baumann via <baumann@rasdaman.com>. +*/ +/************************************************************* + * + * + * PURPOSE: + * + * + * COMMENTS: + * + ************************************************************/ + +static const char rcsid[] = "@(#)qlparser, QtOId: $Header: /home/rasdev/CVS-repository/rasdaman/qlparser/qtoid.cc,v 1.13 2003/12/27 20:51:28 rasdev Exp $"; + +#include "qlparser/qtoid.hh" +#include "qlparser/qtvariable.hh" +#include "qlparser/qtatomicdata.hh" +#include "qlparser/qtmdd.hh" + +#include "mddmgr/mddobj.hh" + +#include "raslib/oid.hh" + +const QtNode::QtNodeType QtOId::nodeType = QtNode::QT_OID; + + +QtOId::QtOId( QtVariable* newInput ) + : QtUnaryOperation( newInput ) +{ + RMDBCLASS( "QtOId", "QtOId( QtVariable* )", "qlparser", __FILE__, __LINE__ ) +} + + + +QtData* +QtOId::evaluate( QtDataList* inputList ) +{ + RMDBCLASS( "QtOId", "evaluate( QtDataList* )", "qlparser", __FILE__, __LINE__ ) + + QtData* returnValue = NULL; + QtData* operand = NULL; + + operand = input->evaluate( inputList ); + + if( operand ) + { +#ifdef QT_RUNTIME_TYPE_CHECK + if( operand->getDataType() == QT_MDD ) + { + RMInit::logOut << "Internal error in QtOId::evaluate() - " + << "runtime type checking failed (MDD)." << std::endl; + + // delete old operand + if( operand ) operand->deleteRef(); + + return 0; + } +#endif + + QtMDD* qtMDD = (QtMDD*) operand; + MDDObj* mddObj = qtMDD->getMDDObject(); + + if( mddObj->isPersistent() ) + { + MDDObj* persMDD = (MDDObj*) mddObj; + + // get local oid and pass it as double + OId localOId; + if( !persMDD->getOId( &localOId ) ) + { + RMDBGMIDDLE( 1, RMDebug::module_qlparser, "QtOid", " oid = " << (double)localOId ) + + returnValue = new QtAtomicData( (double)localOId, (unsigned short)8 ); + } + else + { + RMInit::logOut << "Error: QtOId::evaluate() - could not get oid." << std::endl; + + // delete old operand + if( operand ) operand->deleteRef(); + + parseInfo.setErrorNo(384); + throw parseInfo; + } + } + else + { + RMInit::logOut << "Error: QtOId::evaluate() - operand is not a persistent MDD." << std::endl; + + // delete old operand + if( operand ) operand->deleteRef(); + parseInfo.setErrorNo(383); + throw parseInfo; + } + + // delete old operand + if( operand ) operand->deleteRef(); + } + else + RMInit::logOut << "Error: QtOId::evaluate() - operand is not provided." << std::endl; + + return returnValue; +} + + + +void +QtOId::printTree( int tab, std::ostream& s, QtChildType mode ) +{ + s << SPACE_STR(tab).c_str() << "QtOId Object: " << std::endl; + + QtUnaryOperation::printTree( tab, s, mode ); +} + + + +void +QtOId::printAlgebraicExpression( std::ostream& s ) +{ + s << "oid(" << std::flush; + + if( input ) + input->printAlgebraicExpression( s ); + else + s << "<nn>"; + + s << ")"; +} + + + +const QtTypeElement& +QtOId::checkType( QtTypeTuple* typeTuple ) +{ + RMDBCLASS( "QtOId", "checkType( QtTypeTuple* )", "qlparser", __FILE__, __LINE__ ) + + dataStreamType.setDataType( QT_TYPE_UNKNOWN ); + + // check operand branches + if( input ) + { + + // get input type + const QtTypeElement& inputType = input->checkType( typeTuple ); + + if( inputType.getDataType() != QT_MDD ) + { + RMInit::logOut << "Error: QtOId::checkType() - operand is not of type MDD." << std::endl; + parseInfo.setErrorNo(383); + throw parseInfo; + } + + dataStreamType.setDataType( QT_DOUBLE ); + } + else + RMInit::logOut << "Error: QtOId::checkType() - operand branch invalid." << std::endl; + + return dataStreamType; +} |