1 /*
2  * Copyright (c) 2014, 2018, 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 package gc.g1.unloading.configuration;
24 
25 /**
26  * Configuration object encapsulates test configuration.
27  */
28 public class TestConfiguration {
29 
30     private ReleaseRefMode releaseRefMode = ReleaseRefMode.NONE;
31 
32     private WhatToKeep whatToKeep = WhatToKeep.CLASS;
33 
34     private ClassloadingMethod classloadingMethod = ClassloadingMethod.REFLECTION;
35 
36     private KeepRefMode keepRefMode = KeepRefMode.STRONG_REFERENCE;
37 
38     private boolean humongousClass = false;
39 
40     private int compilationLevel = 0;
41 
42     private int compilationNumber = 2;
43 
44     private boolean redefineClasses = false;
45 
46     private boolean inMemoryCompilation = false;
47 
getReleaseRefMode()48     public ReleaseRefMode getReleaseRefMode() {
49         return releaseRefMode;
50     }
51 
getWhatToKeep()52     public WhatToKeep getWhatToKeep() {
53         return whatToKeep;
54     }
55 
getClassloadingMethod()56     public ClassloadingMethod getClassloadingMethod() {
57         return classloadingMethod;
58     }
59 
getKeepRefMode()60     public KeepRefMode getKeepRefMode() {
61         return keepRefMode;
62     }
63 
isHumongousClass()64     public boolean isHumongousClass() {
65         return humongousClass;
66     }
67 
getCompilationLevel()68     public int getCompilationLevel() {
69         return compilationLevel;
70     }
71 
getCompilationNumber()72     public int getCompilationNumber() {
73         return compilationNumber;
74     }
75 
isRedefineClasses()76     public boolean isRedefineClasses() {
77         return redefineClasses;
78     }
79 
isInMemoryCompilation()80     public boolean isInMemoryCompilation() {
81         return inMemoryCompilation;
82     }
83 
getNumberOfGCsBeforeCheck()84     public int getNumberOfGCsBeforeCheck() {
85         return numberOfGCsBeforeCheck;
86     }
87 
getNumberOfChecksLimit()88     public int getNumberOfChecksLimit() {
89         return numberOfChecksLimit;
90     }
91 
92     private int numberOfGCsBeforeCheck = 50;
93 
94     private int numberOfChecksLimit = -1;
95 
createTestConfiguration(String[] args)96     public static TestConfiguration createTestConfiguration(String[] args) {
97         TestConfiguration c = new TestConfiguration();
98         for (int i = 0; i < args.length; i++) {
99             if ("-referenceMode".equalsIgnoreCase(args[i])) {
100                 c.releaseRefMode = ReleaseRefMode.valueOf(args[i + 1].toUpperCase());
101             } else if ("-numberOfGCsBeforeCheck".equalsIgnoreCase(args[i])) {
102                 c.numberOfGCsBeforeCheck = Integer.valueOf(args[i + 1].toUpperCase());
103             } else if ("-keep".equalsIgnoreCase(args[i])) {
104                 c.whatToKeep = WhatToKeep.valueOf(args[i + 1].toUpperCase());
105             } else if ("-classloadingMethod".equalsIgnoreCase(args[i])) {
106                 c.classloadingMethod = ClassloadingMethod.valueOf(args[ i + 1].toUpperCase());
107             } else if ("-keepRefMode".equalsIgnoreCase(args[i])) {
108                 c.keepRefMode = KeepRefMode.valueOf(args[i + 1]);
109             } else if ("-humongousClass".equalsIgnoreCase(args[i])) {
110                 c.humongousClass = "true".equals(args[i + 1]);
111             } else if ("-compilationLevel".equalsIgnoreCase(args[i])) {
112                 c.compilationLevel = Integer.valueOf(args[i + 1]);
113             } else if ("-compilationNumber".equalsIgnoreCase(args[i])) {
114                 c.compilationNumber = Integer.valueOf(args[i + 1]);
115             } else if ("-redefineClasses".equalsIgnoreCase(args[i])) {
116                 c.redefineClasses = "true".equals(args[i + 1]);
117             } else if ("-inMemoryCompilation".equalsIgnoreCase(args[i])) {
118                 c.inMemoryCompilation = "true".equals(args[i + 1]);
119             } else if ("-numberOfChecksLimit".equalsIgnoreCase(args[i])) {
120                 c.numberOfChecksLimit = Integer.parseInt(args[i + 1]);
121             } else if (args[i].startsWith("-") && ! "-stressTime".equals(args[i]) && ! args[i].toLowerCase().contains("seed")) {
122                 System.out.println("\n\nWarning!! Unrecognized option " + args[i] + "\n\n");
123             }
124         }
125         System.out.println("releaseRefMode = " + c.releaseRefMode);
126         System.out.println("whatToKeep = " + c.whatToKeep);
127         System.out.println("classlodingMethod = " + c.classloadingMethod);
128         System.out.println("numberOfGCsBeforeCheck = " + c.numberOfGCsBeforeCheck);
129         System.out.println("keepRefMode = " + c.keepRefMode);
130         System.out.println("humongousClass = " + c.humongousClass);
131         System.out.println("compilationLevel = " + c.compilationLevel);
132         System.out.println("compilationNumber = " + c.compilationNumber);
133         System.out.println("redefineClasses = " + c.redefineClasses);
134         System.out.println("inMemoryCompilation = " + c.inMemoryCompilation);
135         System.out.println("numberOfChecksLimit = " + c.numberOfChecksLimit);
136         return c;
137     }
138 
139 }
140