TurtleDB
A mini distributed database system
src/ca/uqac/dim/turtledb/EmptyQueryVisitor.java
Go to the documentation of this file.
00001 /*-------------------------------------------------------------------------
00002     Simple distributed database engine
00003     Copyright (C) 2012  Sylvain Hallé
00004 
00005     This program is free software: you can redistribute it and/or modify
00006     it under the terms of the GNU General Public License as published by
00007     the Free Software Foundation, either version 3 of the License, or
00008     (at your option) any later version.
00009 
00010     This program is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013     GNU General Public License for more details.
00014 
00015     You should have received a copy of the GNU General Public License
00016     along with this program.  If not, see <http://www.gnu.org/licenses/>.
00017  -------------------------------------------------------------------------*/
00018 package ca.uqac.dim.turtledb;
00019 
00020 public class EmptyQueryVisitor extends QueryVisitor
00021 {
00022   public void visit(Projection r) throws VisitorException {} 
00023   
00024   public void visit(Selection r) throws VisitorException {} 
00025   
00026   public void visit(Table r) throws VisitorException {} 
00027   
00028   public void visit(VariableTable r) throws VisitorException {}
00029   
00030   public void visit(Union r) throws VisitorException {}
00031   
00032   public void visit(Intersection r) throws VisitorException {}
00033   
00034   public void visit(Join r) throws VisitorException {}
00035   
00036   public void visit(Product r) throws VisitorException {}
00037   
00038 }