1 /*
2 * Copyright (c) 2016, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package jdk.jfr.api.metadata.eventtype;
26
27 import java.lang.annotation.Annotation;
28 import java.lang.reflect.Method;
29 import java.lang.reflect.Modifier;
30 import java.util.ArrayList;
31 import java.util.HashMap;
32 import java.util.List;
33 import java.util.Map;
34
35 import jdk.jfr.AnnotationElement;
36 import jdk.jfr.BooleanFlag;
37 import jdk.jfr.Category;
38 import jdk.jfr.ContentType;
39 import jdk.jfr.Description;
40 import jdk.jfr.Enabled;
41 import jdk.jfr.Event;
42 import jdk.jfr.EventFactory;
43 import jdk.jfr.EventType;
44 import jdk.jfr.Experimental;
45 import jdk.jfr.Frequency;
46 import jdk.jfr.Label;
47 import jdk.jfr.MemoryAddress;
48 import jdk.jfr.DataAmount;
49 import jdk.jfr.MetadataDefinition;
50 import jdk.jfr.Name;
51 import jdk.jfr.Percentage;
52 import jdk.jfr.Period;
53 import jdk.jfr.Registered;
54 import jdk.jfr.Relational;
55 import jdk.jfr.StackTrace;
56 import jdk.jfr.Threshold;
57 import jdk.jfr.Timespan;
58 import jdk.jfr.Timestamp;
59 import jdk.jfr.TransitionFrom;
60 import jdk.jfr.TransitionTo;
61 import jdk.jfr.Unsigned;
62 import jdk.jfr.ValueDescriptor;
63 import jdk.test.lib.Asserts;
64
65 /*
66 * @test
67 * @summary Test for AnnotationElement.getAnnotationElements()
68 * @key jfr
69 * @library /test/lib
70 * @run main/othervm jdk.jfr.api.metadata.eventtype.TestGetAnnotationElements
71 */
72 public class TestGetAnnotationElements {
73
74 @SuppressWarnings("unchecked")
75 public static void main(String[] args) throws Throwable {
76 Class<?>[] jfrAnnotations = {
77 Category.class, Description.class, Enabled.class,
78 Experimental.class, BooleanFlag.class, Frequency.class, Label.class,
79 MemoryAddress.class, DataAmount.class, Name.class,
80 Registered.class, Percentage.class,
81 Period.class, Relational.class, StackTrace.class,
82 Threshold.class, Timespan.class, Timestamp.class,
83 TransitionFrom.class, TransitionTo.class, Unsigned.class
84 };
85
86 for (Class<?> clz : jfrAnnotations) {
87 Class<? extends Annotation> annptationClass = (Class<? extends Annotation>) clz;
88 System.out.println("AnnotationElement: " + annptationClass);
89 Map<String, Object> values = createValueMapForAnnotation(annptationClass);
90 List<Annotation> persistableAnnotation = createPersistableAnnotationList(annptationClass);
91 AnnotationElement ae = new AnnotationElement(annptationClass, values);
92 List<AnnotationElement> aes = ae.getAnnotationElements();
93 Asserts.assertEquals(persistableAnnotation.size(), aes.size());
94 }
95
96 List<ValueDescriptor> fields = new ArrayList<>();
97 List<AnnotationElement> eventAnnotations = new ArrayList<>();
98 eventAnnotations.add(new AnnotationElement(Label.class, "MyEvent"));
99
100 EventFactory f = EventFactory.create(eventAnnotations, fields);
101 EventType type = f.getEventType();
102 List<AnnotationElement> aes = type.getAnnotationElements().get(0).getAnnotationElements();
103 Asserts.assertEquals(0, aes.size());
104
105 EventType et = EventType.getEventType(MyEvent.class);
106 ValueDescriptor field = et.getField("transactionRate");
107 aes = field.getAnnotationElements().get(0).getAnnotationElements();
108 Asserts.assertEquals(3, aes.size());
109 assertContainsAnnotation(aes, Description.class);
110 assertContainsAnnotation(aes, Label.class);
111 assertContainsAnnotation(aes, ContentType.class);
112
113 }
114
115 private static List<Annotation> createPersistableAnnotationList( Class<? extends Annotation> annptationClass) {
116 List<Annotation> as = new ArrayList<>();
117 for (Annotation a : annptationClass.getAnnotations()) {
118 MetadataDefinition m = a.annotationType().getAnnotation(MetadataDefinition.class);
119 if (m != null) {
120 as.add(a);
121 }
122 }
123 return as;
124 }
125
126 private static void assertContainsAnnotation(List<AnnotationElement> aez, Class<?> clz) {
127 for (AnnotationElement ae : aez) {
128 if (ae.getTypeName().equals(clz.getName())) {
129 return;
130 }
131 }
132 Asserts.fail("Class " + clz + " not found in the annotation elements");
133 }
134
135 private static Map<String, Object> createValueMapForAnnotation(Class<?> clz) {
136 Map<String, Object> map = new HashMap<>();
137 for (Method method : clz.getDeclaredMethods()) {
138 int modifiers = method.getModifiers();
139 if (Modifier.isPublic(modifiers) || Modifier.isProtected(modifiers)) {
140 map.put(method.getName(), "value");
141 }
142 }
143 return map;
144 }
145
146 private static class MyEvent extends Event {
147
148 @Frequency
149 long transactionRate;
150 }
151
152 }