--- /dev/null	2019-01-28 17:46:42.000000000 +0800
+++ new/src/share/vm/jfr/recorder/access/jfrEventClass.cpp	2019-01-28 17:46:42.000000000 +0800
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2012, 2019, 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.
+ *
+ * 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.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "jfr/recorder/access/jfrEventClass.hpp"
+#include "jfr/recorder/checkpoint/constant/traceid/jfrTraceId.inline.hpp"
+
+bool JdkJfrEvent::is(const Klass* k) {
+  return JfrTraceId::is_jdk_jfr_event(k);
+}
+
+bool JdkJfrEvent::is(const jclass jc) {
+  return JfrTraceId::is_jdk_jfr_event(jc);
+}
+
+void JdkJfrEvent::tag_as(const Klass* k) {
+  JfrTraceId::tag_as_jdk_jfr_event(k);
+}
+
+bool JdkJfrEvent::is_subklass(const Klass* k) {
+  return JfrTraceId::is_jdk_jfr_event_sub(k);
+}
+
+bool JdkJfrEvent::is_subklass(const jclass jc) {
+  return JfrTraceId::is_jdk_jfr_event_sub(jc);
+}
+
+void JdkJfrEvent::tag_as_subklass(const Klass* k) {
+  JfrTraceId::tag_as_jdk_jfr_event_sub(k);
+}
+
+void JdkJfrEvent::tag_as_subklass(const jclass jc) {
+  JfrTraceId::tag_as_jdk_jfr_event_sub(jc);
+}
+
+bool JdkJfrEvent::is_a(const Klass* k) {
+  return JfrTraceId::in_jdk_jfr_event_hierarchy(k);
+}
+
+bool JdkJfrEvent::is_a(const jclass jc) {
+  return JfrTraceId::in_jdk_jfr_event_hierarchy(jc);
+}
+
+bool JdkJfrEvent::is_host(const Klass* k) {
+  return JfrTraceId::is_event_host(k);
+}
+
+bool JdkJfrEvent::is_host(const jclass jc) {
+  return JfrTraceId::is_event_host(jc);
+}
+
+void JdkJfrEvent::tag_as_host(const Klass* k) {
+  JfrTraceId::tag_as_event_host(k);
+}
+
+void JdkJfrEvent::tag_as_host(const jclass jc) {
+  JfrTraceId::tag_as_event_host(jc);
+}
+
+bool JdkJfrEvent::is_visible(const Klass* k) {
+  return JfrTraceId::in_visible_set(k);
+}
+
+bool JdkJfrEvent::is_visible(const jclass jc) {
+  return JfrTraceId::in_visible_set(jc);
+}