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Java > Open Source Codes > org > jboss > aop > pointcut > ast > Node


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.
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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
23 package org.jboss.aop.pointcut.ast;
24
25 public interface Node {
26
27   /** This method is called after the node has been made the current
28     node. It indicates that child nodes can now be added to it. */

29   public void jjtOpen();
30
31   /** This method is called after all the child nodes have been
32     added. */

33   public void jjtClose();
34
35   /** This pair of methods are used to inform the node of its
36     parent. */

37   public void jjtSetParent(Node n);
38   public Node jjtGetParent();
39
40   /** This method tells the node to add its argument to the node's
41     list of children. */

42   public void jjtAddChild(Node n, int i);
43
44   /** This method returns a child node. The children are numbered
45      from zero, left to right. */

46   public Node jjtGetChild(int i);
47
48   /** Return the number of children the node has. */
49   public int jjtGetNumChildren();
50
51   /** Accept the visitor. **/
52   public Object JavaDoc jjtAccept(PointcutExpressionParserVisitor visitor, Object JavaDoc data);
53
54    /** Accept the visitor. **/
55    public Object JavaDoc jjtAccept(TypeExpressionParserVisitor visitor, Object JavaDoc data);
56 }
57
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