/* // $Id: //guest/julian_hyde/saffron/src/main/saffron/Schema.java#3 $ // 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; import openjava.ptree.MethodCall; /** * A <code>Schema</code> is a set of {@link saffron.Table}s. **/ public interface Schema { /** * Retrieves a {@link saffron.Table} based upon a member access (for example, * <code>salesSchema.emps</code>). **/ Table getTableForMember(String name); /** * Retrieves a {@link saffron.Table} based upon a method call (for example, * <code>salesSchema.empsInDept("SALES")</code>). **/ Table getTableForMethodCall(MethodCall call); /** * Registers all of the rules supported by this schema. Only called by * {@link Planner#registerSchema}. */ void registerRules(Planner planner) throws Exception; }; // End Schema.java
# | Change | User | Description | Committed | |
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#3 | 1801 | Julian Hyde |
saffron: add ObjectSchema; rules can now be matched more than once; started to implement correlations in queries in from list. |
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#2 | 1474 | Julian Hyde |
saffron: Aggregations are working. Renamed 'aggregator' to 'aggregation'. |
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#1 | 1467 | Julian Hyde |
saffron: First saffron check-in; incorporate my changes to openjava. |