1 /*
 2  * Copyright (c) 2016, 2026, 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 import java.util.Optional;
28 
29 @jdk.test.lib.valueclass.AsValueClass
30 class ConstantPoolEntry {
31     private Optional<Integer> index;
32     private Optional<String> value;
33 
34     public ConstantPoolEntry(Integer index) {
35         this.index = Optional.of(index);
36         value = Optional.empty();
37     }
38 
39     public ConstantPoolEntry(String value) {
40         this.index = Optional.empty();
41         this.value = Optional.of(value);
42     }
43 
44     public String getValue() throws IllegalStateException {
45         if (index.isPresent()) {
46             throw new IllegalStateException();
47         }
48         return value.get();
49     }
50 
51     public Integer getNameIndex() throws IllegalStateException {
52         if (value.isPresent()) {
53             throw new IllegalStateException();
54         }
55         return index.get();
56     }
57 
58     public Integer getClassIndex() throws IllegalStateException {
59         if (value.isPresent()) {
60             throw new IllegalStateException();
61         }
62         return index.get();
63     }
64 }