VisitorEX.java

package org.panlab.software.fstoolkit.workflowcomposer;

/*
 * JBoss, Home of Professional Open Source Copyright 2006, Red Hat Middleware
 * LLC, and individual contributors by the @authors tag. See the copyright.txt
 * in the distribution for a full listing of individual contributors.
 * 
 * This is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 * 
 * This software 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 software; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA, or see the FSF
 * site: http://www.fsf.org.
 */

/**
 * A graph visitor interface that can throw an exception during a visit
 * callback.
 * 
 * @author Scott.Stark@jboss.org
 * @version $Revision$
 * @param <T>
 * @param <E>
 */
interface VisitorEX<T, E extends Exception> {
  /**
   * Called by the graph traversal methods when a vertex is first visited.
   * 
   * @param g -
   *          the graph
   * @param v -
   *          the vertex being visited.
   * @throws E
   *           exception for any error
   */
  public void visit(Graph<T> g, Vertex<T> v) throws E;
}