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Java > Open Source Codes > org > jboss > ejb > plugins > cmp > ejbql > ASTApproximateNumericLiteral


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.ejb.plugins.cmp.ejbql;
23
24 /**
25  * This abstract syntax node represents an approximate numeric literal.
26  *
27  * @author <a HREF="mailto:dain@daingroup.com">Dain Sundstrom</a>
28  * @version $Revision: 37459 $
29  */
30 public final class ASTApproximateNumericLiteral extends SimpleNode {
31    //private static final String UPPER_F = "UPPER_F";
32 //private static final String LOWER_F = "LOWER_F";
33 //private static final String LOWER_D = "LOWER_D";
34 //private static final String UPPER_D = "UPPER_D";
35
36    //public double value;
37 public String JavaDoc literal;
38
39    public ASTApproximateNumericLiteral(int id) {
40       super(id);
41    }
42
43    public void setValue(String JavaDoc number) {
44       literal = number;
45       /*
46       // float suffix
47       if(number.endsWith(LOWER_F) || number.endsWith(UPPER_F)) {
48          // chop off the suffix
49          number = number.substring(0, number.length()-1);
50          value = Float.parseFloat(number);
51       } else {
52          // ends with a LOWER_D suffix, chop it off
53          if(number.endsWith(LOWER_D) || number.endsWith(UPPER_D)) {
54             number = number.substring(0, number.length()-1);
55          }
56
57          // regular double
58          value = Double.parseDouble(number);
59       }
60       */
61    }
62
63    public String JavaDoc toString() {
64       return literal;
65    }
66
67    /** Accept the visitor. **/
68    public Object JavaDoc jjtAccept(JBossQLParserVisitor visitor, Object JavaDoc data) {
69       return visitor.visit(this, data);
70    }
71 }
72
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