src/java.management/share/classes/sun/management/HotspotClassLoadingMBean.java
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
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parent 25859 jdk/src/java.management/share/classes/sun/management/HotspotClassLoadingMBean.java@3317bb8137f4
permissions -rw-r--r--
8187443: Forest Consolidation: Move files to unified layout Reviewed-by: darcy, ihse
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/*
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 * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package sun.management;
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import java.lang.management.ClassLoadingMXBean;
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import sun.management.counter.Counter;
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/**
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 * Hotspot internal management interface for the class loading system.
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 *
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 * This management interface is internal and uncommitted
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 * and subject to change without notice.
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 */
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public interface HotspotClassLoadingMBean {
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    /**
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     * Returns the amount of memory in bytes occupied by loaded classes
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     * in the Java virtual machine.
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     *
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     * @return the amount of memory in bytes occupied by loaded classes
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     * in the Java virtual machine.
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     */
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    public long getLoadedClassSize();
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    /**
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     * Returns the number of bytes that the Java virtual machine
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     * collected due to class unloading.
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     *
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     * @return the number of bytes that the VM collected due to
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     * class unloading.
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     */
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    public long getUnloadedClassSize();
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    /**
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     * Returns the accumulated elapsed time spent by class loading
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     * in milliseconds.
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     *
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     * @return the accumulated elapsed time spent by class loading
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     * in milliseconds.
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     */
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    public long getClassLoadingTime();
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    /**
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     * Returns the amount of memory in bytes occupied by the method
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     * data.
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     *
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     * @return the amount of memory in bytes occupied by the method
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     * data.
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     */
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    public long getMethodDataSize();
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    /**
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     * Returns the number of classes for which initializers were run.
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     *
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     * @return the number of classes for which initializers were run.
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     */
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    public long getInitializedClassCount();
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    /**
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     * Returns the accumulated elapsed time spent in class initializers
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     * in milliseconds.
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     *
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     * @return the accumulated elapsed time spent in class initializers
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     * in milliseconds.
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     */
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    public long getClassInitializationTime();
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    /**
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     * Returns the accumulated elapsed time spent in class verifier
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     * in milliseconds.
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     *
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     * @return the accumulated elapsed time spent in class verifier
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     * in milliseconds.
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     */
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    public long getClassVerificationTime();
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    /**
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     * Returns a list of internal counters maintained in the Java
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     * virtual machine for the class loading system.
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     *
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     * @return a list of internal counters maintained in the VM
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     * for the class loading system.
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     */
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    public java.util.List<Counter> getInternalClassLoadingCounters();
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}