/* // $Id: //guest/julian_hyde/saffron/src/main/saffron/rel/plan/PlanArrayReader.java#1 $ // Saffron preprocessor and data engine // Copyright (C) 2002 Julian Hyde <julian.hyde@mail.com> // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Library General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library 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 // Library General Public License for more details. // // You should have received a copy of the GNU Library General Public // License along with this library; if not, write to the // Free Software Foundation, Inc., 59 Temple Place - Suite 330, // Boston, MA 02111-1307, USA. // // See the COPYING file located in the top-level-directory of // the archive of this library for complete text of license. */ package saffron.rel.plan; import openjava.ptree.Expression; import saffron.opt.CallingConvention; import saffron.opt.Cluster; import saffron.opt.Implementor; import saffron.rel.ExpressionReader; import saffron.util.Util; /** * <code>PlanArrayReader</code> implements {@link ExpressionReader} as a * {@link Plan} object. **/ class PlanArrayReader extends ExpressionReader { PlanArrayReader(Cluster cluster, Expression exp) { super(cluster, exp, null); } public Object clone() { return new PlanArrayReader(cluster, Util.clone(exp)); } // implement Rel public int getConvention() { return CallingConvention.PLAN; } // implement Rel public Object implement(Implementor implementor, int ordinal) { switch (ordinal) { case -1: return new ArrayReaderPlan(this); default: throw Util.newInternal( "implement: ordinal=" + ordinal); } } }
# | Change | User | Description | Committed | |
---|---|---|---|---|---|
#2 | 1474 | Julian Hyde |
saffron: Aggregations are working. Renamed 'aggregator' to 'aggregation'. |
||
#1 | 1467 | Julian Hyde |
saffron: First saffron check-in; incorporate my changes to openjava. |