--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/monitoring/share/thread/ThreadMonitoringScenario.java	Wed May 02 16:43:56 2018 -0700
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2007, 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.
+ *
+ * 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 nsk.monitoring.share.thread;
+
+import java.lang.management.ThreadMXBean;
+
+/**
+ * ThreadMonitoringScenario is basic interface which should be
+ * implemented by all scenarios that excersize ThreadMXBean threads
+ * information.
+ */
+public interface ThreadMonitoringScenario {
+        /**
+         * Begin this scenario. Make necessary preparations and start threads.
+         */
+        public void begin();
+
+        /**
+         * Wait for threads to come into pre-defined state.
+         */
+        public void waitState();
+
+        /**
+         * Check ThreadMXBean information.
+         */
+        public void check(ThreadMXBean threadMXBean);
+
+        /**
+         * Signal threads to finish.
+         */
+        public void finish();
+
+        /**
+         * End this scenario. Wait for threads to exit and make
+         * necessary cleanup.
+         */
+        public void end();
+}