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Java > Open Source Codes > oracle > toplink > essentials > internal > parsing > DoubleLiteralNode


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the "License"). You may not use this file except
5  * in compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * glassfish/bootstrap/legal/CDDLv1.0.txt or
9  * https://glassfish.dev.java.net/public/CDDLv1.0.html.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * HEADER in each file and include the License file at
15  * glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
16  * add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your
18  * own identifying information: Portions Copyright [yyyy]
19  * [name of copyright owner]
20  */
21 // Copyright (c) 1998, 2006, Oracle. All rights reserved.
22 package oracle.toplink.essentials.internal.parsing;
23
24 /**
25  * INTERNAL
26  * <p><b>Purpose</b>: Represent a double literal in EJBQL
27  * <p><b>Responsibilities</b>:<ul>
28  * <li> Generate the correct expression for the double literal
29  * </ul>
30  * @author Jon Driscoll and Joel Lucuik
31  * @since TopLink 4.0
32  */
33 public class DoubleLiteralNode extends LiteralNode {
34
35     /** */
36     public DoubleLiteralNode() {
37         super();
38     }
39
40     public DoubleLiteralNode(Double JavaDoc newDouble) {
41         super();
42         setLiteral(newDouble);
43     }
44
45     /**
46      * INTERNAL
47      * Validate the current node and calculate its type.
48      */
49     public void validate(ParseTreeContext context) {
50         TypeHelper typeHelper = context.getTypeHelper();
51         setType(typeHelper.getDoubleType());
52     }
53 }
54
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