diff -r 746229cc1ab0 -r cc29d7717e3a test/hotspot/jtreg/vmTestbase/nsk/monitoring/share/server/ServerMemoryMXBean.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/hotspot/jtreg/vmTestbase/nsk/monitoring/share/server/ServerMemoryMXBean.java Wed May 02 16:43:56 2018 -0700 @@ -0,0 +1,68 @@ +/* + * 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.server; + +import java.util.*; +import nsk.monitoring.share.*; +import javax.management.*; +import java.lang.management.*; + +/** + * MemoryMXBean implementation that delegates functionality to MBeanServer. + */ +public class ServerMemoryMXBean extends ServerMXBean implements MemoryMXBean { + private static final String GC = "gc"; + private static final String HEAP_MEMORY_USAGE = "MemoryUsage"; + private static final String NONHEAP_MEMORY_USAGE = "MemoryUsage"; + private static final String OBJECT_PENDING_FINALIZATION_COUNT = "ObjectsPendingFinalizationCount"; + private static final String VERBOSE = "Verbose"; + + public ServerMemoryMXBean(MBeanServer mbeanServer) { + super(mbeanServer, ManagementFactory.MEMORY_MXBEAN_NAME); + } + + public void gc() { + invokeVoidMethod(GC); + } + + public MemoryUsage getHeapMemoryUsage() { + return getMemoryUsageAttribute(HEAP_MEMORY_USAGE); + } + + public MemoryUsage getNonHeapMemoryUsage() { + return getMemoryUsageAttribute(NONHEAP_MEMORY_USAGE); + } + + public int getObjectPendingFinalizationCount() { + return getIntAttribute(OBJECT_PENDING_FINALIZATION_COUNT); + } + + public boolean isVerbose() { + return getBooleanAttribute(VERBOSE); + } + + public void setVerbose(boolean verbose) { + setBooleanAttribute(VERBOSE, verbose); + } +}