001/* Copyright (C) 2013 TU Dortmund 002 * This file is part of LearnLib, http://www.learnlib.de/. 003 * 004 * LearnLib is free software; you can redistribute it and/or 005 * modify it under the terms of the GNU Lesser General Public 006 * License version 3.0 as published by the Free Software Foundation. 007 * 008 * LearnLib is distributed in the hope that it will be useful, 009 * but WITHOUT ANY WARRANTY; without even the implied warranty of 010 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 011 * Lesser General Public License for more details. 012 * 013 * You should have received a copy of the GNU Lesser General Public 014 * License along with LearnLib; if not, see 015 * <http://www.gnu.de/documents/lgpl.en.html>. 016 */ 017package de.learnlib.oracles; 018 019import java.util.Collection; 020import java.util.Collections; 021 022import net.automatalib.words.Word; 023import de.learnlib.api.MembershipOracle; 024import de.learnlib.api.Query; 025import de.learnlib.api.QueryAnswerer; 026 027public abstract class MQUtil { 028 029 public static <I,O> O output(MembershipOracle<I,O> oracle, Word<I> queryWord) { 030 return query(oracle, queryWord).getOutput(); 031 } 032 033 public static <I,O> O output(MembershipOracle<I,O> oracle, Word<I> prefix, Word<I> suffix) { 034 return query(oracle, prefix, suffix).getOutput(); 035 } 036 037 public static <I,O> DefaultQuery<I,O> query(MembershipOracle<I,O> oracle, Word<I> prefix, Word<I> suffix) { 038 DefaultQuery<I,O> qry = new DefaultQuery<>(prefix, suffix); 039 oracle.processQueries(Collections.singleton(qry)); 040 return qry; 041 } 042 043 public static <I,O> DefaultQuery<I,O> query(MembershipOracle<I,O> oracle, Word<I> queryWord) { 044 return query(oracle, Word.<I>epsilon(), queryWord); 045 } 046 047 public static <I,O> void answerQueries(QueryAnswerer<I,O> answerer, Collection<? extends Query<I,O>> queries) { 048 for(Query<I,O> query : queries) { 049 Word<I> prefix = query.getPrefix(); 050 Word<I> suffix = query.getSuffix(); 051 O answer = answerer.answerQuery(prefix, suffix); 052 query.answer(answer); 053 } 054 } 055}