/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Middleware LLC.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program 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 this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.envers.tools.graph;

import java.util.ArrayList;
import java.util.List;

/**
 * A graph vertex - stores its representation, neighbours, start and end time in (D|B)FS.
 * @author Adam Warski (adam at warski dot org)
 */
public class Vertex<R> {
    private final R representation;
    private final List<Vertex<R>> neighbours;
    
    private int startTime;
    private int endTime;

    public Vertex(R representation) {
        this.representation = representation;
        this.neighbours = new ArrayList<Vertex<R>>();
        this.startTime = 0;
        this.endTime = 0;
    }

    public R getRepresentation() {
        return representation;
    }

    public List<Vertex<R>> getNeighbours() {
        return neighbours;
    }

    public void addNeighbour(Vertex<R> n) {
        neighbours.add(n);
    }

    public int getStartTime() {
        return startTime;
    }

    public void setStartTime(int startTime) {
        this.startTime = startTime;
    }

    public int getEndTime() {
        return endTime;
    }

    public void setEndTime(int endTime) {
        this.endTime = endTime;
    }
}
