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 *
70 * @library /lib /
71 * @run main/othervm jdk.jfr.api.metadata.eventtype.TestGetAnnotationElements
72 */
73 public class TestGetAnnotationElements {
74
75 @SuppressWarnings("unchecked")
76 public static void main(String[] args) throws Throwable {
77 Class<?>[] jfrAnnotations = {
78 Category.class, Description.class, Enabled.class,
79 Experimental.class, BooleanFlag.class, Frequency.class, Label.class,
80 MemoryAddress.class, DataAmount.class, Name.class,
81 Registered.class, Percentage.class,
82 Period.class, Relational.class, StackTrace.class,
83 Threshold.class, Timespan.class, Timestamp.class,
84 TransitionFrom.class, TransitionTo.class, Unsigned.class
85 };
86
87 for (Class<?> clz : jfrAnnotations) {
88 Class<? extends Annotation> annptationClass = (Class<? extends Annotation>) clz;
89 System.out.println("AnnotationElement: " + annptationClass);
90 Map<String, Object> values = createValueMapForAnnotation(annptationClass);
91 List<Annotation> persistableAnnotation = createPersistableAnnotationList(annptationClass);
92 AnnotationElement ae = new AnnotationElement(annptationClass, values);
93 List<AnnotationElement> aes = ae.getAnnotationElements();
94 Asserts.assertEquals(persistableAnnotation.size(), aes.size());
95 }
96
97 List<ValueDescriptor> fields = new ArrayList<>();
98 List<AnnotationElement> eventAnnotations = new ArrayList<>();
99 eventAnnotations.add(new AnnotationElement(Label.class, "MyEvent"));
100
101 EventFactory f = EventFactory.create(eventAnnotations, fields);
102 EventType type = f.getEventType();
103 List<AnnotationElement> aes = type.getAnnotationElements().get(0).getAnnotationElements();
104 Asserts.assertEquals(0, aes.size());
105
106 EventType et = EventType.getEventType(MyEvent.class);
107 ValueDescriptor field = et.getField("transactionRate");
108 aes = field.getAnnotationElements().get(0).getAnnotationElements();
109 Asserts.assertEquals(3, aes.size());
110 assertContainsAnnotation(aes, Description.class);
111 assertContainsAnnotation(aes, Label.class);
112 assertContainsAnnotation(aes, ContentType.class);
113
114 }
115
116 private static List<Annotation> createPersistableAnnotationList( Class<? extends Annotation> annptationClass) {
117 List<Annotation> as = new ArrayList<>();
118 for (Annotation a : annptationClass.getAnnotations()) {
119 MetadataDefinition m = a.annotationType().getAnnotation(MetadataDefinition.class);
120 if (m != null) {
121 as.add(a);
122 }
123 }
124 return as;
125 }
126
127 private static void assertContainsAnnotation(List<AnnotationElement> aez, Class<?> clz) {
128 for (AnnotationElement ae : aez) {
129 if (ae.getTypeName().equals(clz.getName())) {
130 return;
131 }
132 }
133 Asserts.fail("Class " + clz + " not found in the annotation elements");
134 }
135
136 private static Map<String, Object> createValueMapForAnnotation(Class<?> clz) {
137 Map<String, Object> map = new HashMap<>();
138 for (Method method : clz.getDeclaredMethods()) {
139 int modifiers = method.getModifiers();
140 if (Modifier.isPublic(modifiers) || Modifier.isProtected(modifiers)) {
141 map.put(method.getName(), "value");
142 }
143 }
144 return map;
145 }
146
147 private static class MyEvent extends Event {
148
149 @Frequency
150 long transactionRate;
151 }
152
153 }