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This artifact provides various common utility operations for analyzing and manipulating
automata and graphs, such as traversal, minimization and copying.
/* Copyright (C) 2013 TU Dortmund
* This file is part of AutomataLib, http://www.automatalib.net/.
*
* AutomataLib is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 3.0 as published by the Free Software Foundation.
*
* AutomataLib 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with AutomataLib; if not, see
* http://www.gnu.de/documents/lgpl.en.html.
*/
package net.automatalib.util.automata.asgraph;
import java.util.Collection;
import java.util.Iterator;
import net.automatalib.automata.Automaton;
import net.automatalib.automata.concepts.StateIDs;
import net.automatalib.automata.graphs.TransitionEdge;
import net.automatalib.commons.util.mappings.MutableMapping;
import net.automatalib.graphs.Graph;
import net.automatalib.graphs.concepts.NodeIDs;
public class AutomatonAsGraph> implements Graph> {
protected final A automaton;
protected final Collection inputAlphabet;
public AutomatonAsGraph(A automaton, Collection inputAlphabet) {
this.automaton = automaton;
this.inputAlphabet = inputAlphabet;
}
@Override
public Iterator iterator() {
return automaton.iterator();
}
@Override
public Collection getNodes() {
return automaton.getStates();
}
@Override
public Collection> getOutgoingEdges(S node) {
return AGHelper.outgoingEdges(automaton, node, inputAlphabet);
}
@Override
public S getTarget(TransitionEdge edge) {
return automaton.getSuccessor(edge.getTransition());
}
@Override
public int size() {
return automaton.size();
}
@Override
public MutableMapping createStaticNodeMapping() {
return automaton.createStaticStateMapping();
}
@Override
public MutableMapping createDynamicNodeMapping() {
return automaton.createDynamicStateMapping();
}
@Override
public NodeIDs nodeIDs() {
final StateIDs stateIds = automaton.stateIDs();
return new NodeIDs() {
@Override
public int getNodeId(S node) {
return stateIds.getStateId(node);
}
@Override
public S getNode(int id) {
return stateIds.getState(id);
}
};
}
}