NodeVisitor


1   
2   /*
3    * Copyright (c) 1998 - 2005 Versant Corporation
4    * All rights reserved. This program and the accompanying materials
5    * are made available under the terms of the Eclipse Public License v1.0
6    * which accompanies this distribution, and is available at
7    * http://www.eclipse.org/legal/epl-v10.html
8    *
9    * Contributors:
10   * Versant Corporation - initial API and implementation
11   */
12  package com.versant.core.jdo.query;
13  
14  /**
15   * This is the common interface for a visitor.
16   * Subclasses can apply different behavior for different nodes.
17   */
18  public interface NodeVisitor {
19  
20      Object   visitLiteralNode(LiteralNode node, Object  [] results);
21  
22      Object   visitAddNode(AddNode node, Object  [] results);
23  
24      Object   visitMultiplyNode(MultiplyNode node, Object  [] results);
25  
26      Object   visitUnaryNode(UnaryNode node, Object  [] results);
27  
28      Object   visitUnaryOpNode(UnaryOpNode node, Object  [] results);
29  
30      Object   visitNotEqualNode(NotEqualNode node, Object  [] results);
31  
32      Object   visitEqualNode(EqualNode node, Object  [] results);
33  
34      Object   visitLikeNode(LikeNode node, Object  [] results);
35  
36      Object   visitCompareOpNode(CompareOpNode node, Object  [] results);
37  
38      Object   visitParamNode(ParamNode node, Object  [] results);
39  
40      Object   visitFieldNode(FieldNode node, Object  [] results);
41  
42      Object   visitFieldNavNode(FieldNavNode node, Object  [] results);
43  
44      Object   visitVarNode(VarNode node, Object  [] results);
45  
46      Object   visitMethodNode(MethodNode node, Object  [] results);
47  
48      Object   visitAndNode(AndNode node, Object  [] results);
49  
50      Object   visitOrNode(OrNode node, Object  [] results);
51  
52      Object   visitOrderNode(OrderNode node, Object  [] results);
53  
54      public Object   visitAggregateCountStarNode(AggregateCountStarNode node, Object  [] results);
55  
56      public Object   visitAggregateNode(AggregateNode node, Object  [] results);
57  
58      public Object   visitAsValueNode(AsValueNode node, Object  [] results);
59  
60      public Object   visitGroupingNode(GroupingNode node, Object  [] results);
61  
62      public Object   visitResultNode(ResultNode node, Object  [] results);
63  
64      public Object   visitVarBindingNode(VarBindingNode node, Object  [] results);
65  
66      // arrive methods
67  
68      public Object   arriveLiteralNode(LiteralNode node, Object   msg);
69  
70      public Object   arriveFieldNavNode(FieldNavNode node, Object   msg);
71  
72      public Object   arriveMethodNode(MethodNode node, Object   msg);
73  
74      public Object   arrivePrimaryExprNode(PrimaryExprNode node, Object   msg);
75  
76      public Object   arriveFieldNode(FieldNode node, Object   msg);
77  
78      public Object   arriveEqualNode(EqualNode node, Object   msg);
79  
80      public Object   arriveLikeNode(LikeNode node, Object   msg);
81  
82      public Object   arriveNotEqualNode(NotEqualNode node, Object   msg);
83  
84      public Object   arriveAndNode(AndNode node, Object   msg);
85  
86      public Object   arriveOrNode(OrNode node, Object   msg);
87  
88      public Object   arriveMultiplyNode(MultiplyNode node, Object   msg);
89  
90      public Object   arriveAddNode(AddNode node, Object   msg);
91  
92      public Object   arriveUnaryOpNode(UnaryOpNode node, Object   msg);
93  
94      public Object   arriveCompareOpNode(CompareOpNode node, Object   msg);
95  
96      public Object   arriveUnaryNode(UnaryNode node, Object   msg);
97  
98      public Object   arriveBinaryNode(BinaryNode node, Object   msg);
99  
100     public Object   arriveCastNode(CastNode node, Object   msg);
101 
102     public Object   arriveParamNode(ParamNode node, Object   msg);
103 
104     public Object   arriveParamNodeProxy(ParamNodeProxy node, Object   msg);
105 
106     public Object   arriveArgNode(ArgNode node, Object   msg);
107 
108     public Object   arriveArrayNode(ArrayNode node, Object   msg);
109 
110     public Object   arriveImportNode(ImportNode node, Object   msg);
111 
112     public Object   arriveLeafNode(LeafNode node, Object   msg);
113 
114     public Object   arriveOrderNode(OrderNode node, Object   msg);
115 
116     public Object   arriveVarNode(VarNode node, Object   msg);
117 
118     public Object   arriveVarNodeProxy(VarNodeProxy node, Object   msg);
119 
120     public Object   arriveReservedFieldNode(ReservedFieldNode node, Object   msg);
121 
122     public Object   arriveAggregateCountStarNode(AggregateCountStarNode node, Object   msg);
123 
124     public Object   arriveAggregateNode(AggregateNode node, Object   msg);
125 
126     public Object   arriveAsValueNode(AsValueNode node, Object   msg);
127 
128     public Object   arriveGroupingNode(GroupingNode node, Object   msg);
129 
130     public Object   arriveResultNode(ResultNode node, Object   msg);
131 
132     public Object   arriveVarBindingNode(VarBindingNode node, Object   msg);
133 
134 }
135
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