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Java > Open Source Codes > org > apache > cayenne > ejbql > parser > EJBQLPath


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19 package org.apache.cayenne.ejbql.parser;
20
21 import org.apache.cayenne.ejbql.EJBQLExpressionVisitor;
22
23 /**
24  * @since 3.0
25  * @author Andrus Adamchik
26  */
27 public class EJBQLPath extends SimpleNode {
28
29     public EJBQLPath(int id) {
30         super(id);
31     }
32
33     public String JavaDoc getId() {
34         return (getChildrenCount() > 0) ? jjtGetChild(0).getText() : null;
35     }
36
37     public String JavaDoc getRelativePath() {
38         int len = getChildrenCount();
39         if (len < 2) {
40             return null;
41         }
42
43         StringBuffer JavaDoc buffer = new StringBuffer JavaDoc(jjtGetChild(1).getText());
44         for (int i = 2; i < len; i++) {
45             buffer.append('.').append(jjtGetChild(i).getText());
46         }
47
48         return buffer.toString();
49     }
50
51     public String JavaDoc getAbsolutePath() {
52         int len = getChildrenCount();
53         if (len < 1) {
54             return null;
55         }
56
57         StringBuffer JavaDoc buffer = new StringBuffer JavaDoc(jjtGetChild(0).getText());
58         for (int i = 1; i < len; i++) {
59             buffer.append('.').append(jjtGetChild(i).getText());
60         }
61
62         return buffer.toString();
63     }
64
65     protected boolean visitNode(EJBQLExpressionVisitor visitor) {
66         return visitor.visitPath(this, -1);
67     }
68
69     protected boolean visitChild(EJBQLExpressionVisitor visitor, int childIndex) {
70         return super.visitChild(visitor, childIndex)
71                 && visitor.visitPath(this, childIndex);
72     }
73 }
74
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