/* * JBoss, Home of Professional Open Source. * Copyright 2008, Red Hat Middleware LLC, and individual contributors * as indicated by the @author tags. See the copyright.txt file 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. */ package org.jboss.system.metadata; import java.util.Iterator; import java.util.Set; import org.jboss.util.collection.CollectionsFactory; /** * AbstractMetaDataVisitorNode. * * @author <a href="adrian@jboss.com">Adrian Brock</a> * @version $Revision: 85945 $ */ public class AbstractMetaDataVisitorNode implements ServiceMetaDataVisitorNode { public Iterator<? extends ServiceMetaDataVisitorNode> getChildren() { Set<ServiceMetaDataVisitorNode> children = CollectionsFactory.createLazySet(); addChildren(children); if (children.size() == 0) return null; else return children.iterator(); } public void visit(ServiceMetaDataVisitor visitor) { visitor.visit(this); } /** * Add to the children * * @param children the children */ protected void addChildren(Set<ServiceMetaDataVisitorNode> children) { } }