/* * (c) Copyright 2010-2011 AgileBirds * * This file is part of OpenFlexo. * * OpenFlexo 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. * * OpenFlexo 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 OpenFlexo. If not, see <http://www.gnu.org/licenses/>. * */ package org.openflexo.antar.expr; import org.openflexo.antar.expr.Constant.DateSymbolicConstant; import org.openflexo.antar.expr.Constant.FloatSymbolicConstant; import org.openflexo.antar.expr.Constant.ObjectSymbolicConstant; public interface SymbolicConstant { public static final SymbolicConstant[] allKnownSymbolicConstants = { ObjectSymbolicConstant.NULL, ObjectSymbolicConstant.THIS, DateSymbolicConstant.NOW, DateSymbolicConstant.TODAY, FloatSymbolicConstant.PI, FloatSymbolicConstant.E }; public String getSymbol(); public String getValueAsString(); }