001/* Copyright (C) 2013 TU Dortmund
002 * This file is part of AutomataLib, http://www.automatalib.net/.
003 * 
004 * AutomataLib 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 * AutomataLib 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 AutomataLib; if not, see
015 * http://www.gnu.de/documents/lgpl.en.html.
016 */
017package net.automatalib.automata.base.fast;
018
019import java.util.Collection;
020import java.util.HashSet;
021
022import net.automatalib.commons.util.nid.AbstractMutableNumericID;
023
024
025public abstract class FastNondetState<S extends FastNondetState<S, T>, T>
026                extends AbstractMutableNumericID {
027        private final Collection<T>[] transitions;
028        
029        
030        @SuppressWarnings("unchecked")
031        public FastNondetState(int numInputs) {
032                this.transitions = new Collection[numInputs];
033        }
034        
035        
036        public final Collection<T> getTransitions(int inputIdx) {
037                return transitions[inputIdx];
038        }
039        
040        public final void setTransitions(int inputIdx, Collection<? extends T> transitions) {
041                this.transitions[inputIdx] = new HashSet<T>(transitions);
042        }
043        
044        public void clearTransitions() {
045                for(int i = 0; i < transitions.length; i++)
046                        transitions[i].clear();
047        }
048
049}