1 /* 2 * Copyright (c) 2012, 2019, 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 #ifndef SHARE_VM_JFR_RECORDER_ACCESS_JFREVENTCLASS_HPP 26 #define SHARE_VM_JFR_RECORDER_ACCESS_JFREVENTCLASS_HPP 27 28 #include "jni.h" 29 #include "memory/allocation.hpp" 30 31 class Klass; 32 33 // 34 // For convenient access to the jdk.jfr.Event klass hierarchy. 35 // 36 class JdkJfrEvent : AllStatic { 37 public: 38 // jdk.jfr.Event 39 static bool is(const Klass* k); 40 static bool is(const jclass jc); 41 static void tag_as(const Klass* k); 42 43 // jdk.jfr.Event subklasses 44 static bool is_subklass(const Klass* k); 45 static bool is_subklass(const jclass jc); 46 static void tag_as_subklass(const Klass* k); 47 static void tag_as_subklass(const jclass jc); 48 49 // jdk.jfr.Event hierarchy 50 static bool is_a(const Klass* k); 51 static bool is_a(const jclass jc); 52 53 // klasses that host a jdk.jfr.Event 54 static bool is_host(const Klass* k); 55 static bool is_host(const jclass jc); 56 static void tag_as_host(const Klass* k); 57 static void tag_as_host(const jclass jc); 58 59 // in the set of classes made visible to java 60 static bool is_visible(const Klass* k); 61 static bool is_visible(const jclass jc); 62 }; 63 64 #endif // SHARE_VM_JFR_RECORDER_ACCESS_JFREVENTCLASS_HPP