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Java > Open Source Codes > org > jboss > beans > metadata > spi > MetaDataVisitorNode


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.beans.metadata.spi;
23
24 import java.util.Iterator JavaDoc;
25
26 /**
27  * A metadata vistor node.
28  *
29  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
30  * @version $Revision: 56022 $
31  */
32 public interface MetaDataVisitorNode
33 {
34    /**
35     * Visit the node
36     *
37     * @param vistor the visitor
38     */
39    public void initialVisit(MetaDataVisitor vistor);
40    
41    /**
42     * Revisit the node
43     *
44     * @param vistor the visitor
45     */
46    public void describeVisit(MetaDataVisitor vistor);
47
48    /**
49     * Return the child nodes
50     *
51     * @return Iterator<MetaDataVisitorNode> or null if there aren't any
52     */
53    public Iterator JavaDoc<? extends MetaDataVisitorNode> getChildren();
54 }
55
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