1 /*
 2  * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 package gc.stress.gcbasher;
26 
27 class ConstantPoolEntry {
28     private int index;
29     private String value;
30 
31     public ConstantPoolEntry(int index) {
32         this.index = index;
33         value = null;
34     }
35 
36     public ConstantPoolEntry(String value) {
37         this.index = -1;
38         this.value = value;
39     }
40 
41     public String getValue() throws IllegalStateException {
42         if (index != -1) {
43             throw new IllegalStateException();
44         }
45         return value;
46     }
47 
48     public int getNameIndex() throws IllegalStateException {
49         if (value != null) {
50             throw new IllegalStateException();
51         }
52         return index;
53     }
54 
55     public int getClassIndex() throws IllegalStateException {
56         if (value != null) {
57             throw new IllegalStateException();
58         }
59         return index;
60     }
61 }