| /* |
| * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.jfr; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Inherited; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| |
| /** |
| * Event annotation, determines if an event should be enabled by default. |
| * <p> |
| * If an event doesn't have the annotation, then by default the event is enabled. |
| * |
| * @since 9 |
| */ |
| @Target({ ElementType.TYPE }) |
| @Retention(RetentionPolicy.RUNTIME) |
| @Inherited |
| @MetadataDefinition |
| public @interface Enabled { |
| /** |
| * Setting name {@code "enabled"}, signifies that the event should be |
| * recorded. |
| */ |
| public final static String NAME = "enabled"; |
| |
| /** |
| * Returns {@code true} if by default the event should be enabled, {@code false} otherwise. |
| * |
| * @return {@code true} if by default the event should be enabled by default, {@code false} otherwise |
| */ |
| boolean value() default true; |
| } |