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package be.unamur.transitionsystem.dsl;

/*
 * #%L
 * vibes-core
 * %%
 * Copyright (C) 2014 PReCISE, University of Namur
 * %%
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * #L%
 */

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import be.unamur.fts.fexpression.exception.ParserException;
import be.unamur.fts.fexpression.util.Parser;
import be.unamur.transitionsystem.Action;
import be.unamur.transitionsystem.State;
import be.unamur.transitionsystem.TransitionSystem;
import be.unamur.transitionsystem.fts.FeaturedTransitionSystem;

@Deprecated
public class FeaturedTransitionSystemBuilderFrom{
	
	private static final Logger logger = LoggerFactory.getLogger(FeaturedTransitionSystemBuilderFrom.class);
	
	protected String expression;
	protected TransitionSystem ts;
	protected String fromStateName;
	protected FeaturedTransitionSystemBuilder builder;
	protected String actionName = Action.NO_ACTION_NAME;

	FeaturedTransitionSystemBuilderFrom(FeaturedTransitionSystemBuilder featuredTransitionSystemBuilder, TransitionSystem ts, String stateName) {
		this.builder = featuredTransitionSystemBuilder;
		this.ts = ts;
		this.fromStateName = stateName;
	}
	
	public FeaturedTransitionSystemBuilderFrom action(String name) {
		this.actionName = name;
		return this;
	}
	
	public FeaturedTransitionSystemBuilderFrom fexpression(String expression){
		this.expression = expression;
		return this;
	}
	
	public FeaturedTransitionSystemBuilder to(String stateName){
		Action action = ts.addAction(actionName);
		State from = ts.addState(fromStateName);
		State to = ts.addState(stateName);
		if(expression != null){
			try {
				((FeaturedTransitionSystem)ts).addTransition(from, to, action, Parser.getInstance().parse(expression));
			} catch (ParserException e) {
				logger.error("Wrong feature expression '{}'!", expression, e);
				throw new IllegalArgumentException("Could not parse feature expression "+expression, e);
			}
		} else {
			ts.addTransition(from, to, action);
		}
		return builder;
	}

}