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package be.unamur.transitionsystem;

/*
 * #%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 java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import be.unamur.transitionsystem.exception.ExecutionNodeVisitException;

public class ExecutionNode {
	
	private T value;
	private List> sons;
	private ExecutionNode father;
	
	ExecutionNode(T value, ExecutionNode father) {
		this.value = value;
		this.sons = new ArrayList>();
		this.father = father;
	}
	
	public T getValue() {
		return value;
	}
	
	public void setValue(T value) {
		this.value = value;
	}
	
	public ExecutionNode getFather() {
		return father;
	}
	
	public void removeFromFather(){
		if(this.father != null){
			this.father.sons.remove(this);
		}
	}
	
	public ExecutionNode addSon(T sonValue) {
		ExecutionNode son = new ExecutionNode(sonValue, this);
		this.sons.add(son);
		return son;
	}
	
	public Iterator> sons(){
		return this.sons.iterator();
	}

	public int numberOfSons() {
		return this.sons.size();
	}

	@Override
	public String toString() {
		return "ExecutionNode [value=" + value + ", sons=" + sons + "]";
	}
	
	public void accept(ExecutionNodeVisitor visitor) throws ExecutionNodeVisitException{
		visitor.visit(this);
	}
	
}