001/** 002 * Guard.java 003 * 004 * Copyright (c) 2004-2012, Nicole C. Tedesco. All rights reserved. 005 * 006 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 007 * use this file except in compliance with the License. You may obtain a copy of 008 * the License at: 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 014 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 015 * License for the specific language governing permissions and limitations under 016 * the License. 017 */ 018 019package net.sf.jaccumulator.lex; 020 021/** 022 * Common behavior for all production guards, or that which determines whether a 023 * specific production is applicable given a specific signal and the current 024 * state of some model 025 * 026 * @param <MODEL> 027 * the model type to test against 028 * 029 * @since JAccumulator 4.0 030 * @author Nicole Tedesco (<a 031 * href="mailto:nicole@tedesco.name">nicole@tedesco.name</a>) 032 */ 033public interface Guard<MODEL> 034{ 035 public Logic getChildConjunction(); 036 037 public boolean isCompositeGuard(); 038 039 public boolean isSimpleGuard(); 040}