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Java > Open Source Codes > com > sun > jdo > api > persistence > enhancer > classfile > ConstFloat


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 in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
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 Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24
25 package com.sun.jdo.api.persistence.enhancer.classfile;
26
27 import java.io.*;
28
29 /**
30  * Class representing a float constant in the constant pool of a class file
31  */
32
33 public class ConstFloat extends ConstValue {
34   /* The tag value associated with ConstFloat */
35   public static final int MyTag = CONSTANTFloat;
36
37   /* The value */
38   private float floatValue;
39
40   /* public accessors */
41
42   /**
43    * The tag of this constant entry
44    */
45   public int tag () { return MyTag; }
46
47   /**
48    * return the value associated with the entry
49    */
50   public float value() {
51     return floatValue;
52   }
53
54   /**
55    * Return the descriptor string for the constant type.
56    */
57   public String JavaDoc descriptor() {
58       return "F";//NOI18N
59 }
60
61   /**
62    * A printable representation
63    */
64   public String JavaDoc toString () {
65       return "CONSTANTFloat(" + indexAsString() + "): " + //NOI18N
66 "floatValue(" + Float.toString(floatValue) + ")";//NOI18N
67 }
68
69   /* package local methods */
70
71   ConstFloat (float f) {
72     floatValue = f;
73   }
74
75   void formatData (DataOutputStream b) throws IOException {
76     b.writeFloat(floatValue);
77   }
78
79   static ConstFloat read (DataInputStream input) throws IOException {
80     return new ConstFloat (input.readFloat());
81   }
82
83   void resolve (ConstantPool p) { }
84
85 }
86
87
88
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