| /* VMClassLoadingMXBeanImpl.java - VM impl. of a class loading bean |
| Copyright (C) 2006 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.java.lang.management; |
| |
| /** |
| * Provides access to information about the class loading |
| * behaviour of the current invocation of the virtual |
| * machine. Instances of this bean are obtained by calling |
| * {@link ManagementFactory#getClassLoadingMXBean()}. |
| * |
| * @author Andrew John Hughes (gnu_andrew@member.fsf.org) |
| * @since 1.5 |
| */ |
| final class VMClassLoadingMXBeanImpl |
| { |
| |
| /** |
| * Returns the number of classes currently loaded by |
| * the virtual machine. |
| * |
| * @return the number of loaded classes. |
| */ |
| static native int getLoadedClassCount(); |
| |
| /** |
| * Returns the number of classes that have been unloaded |
| * by the virtual machine since it was started. |
| * |
| * @return the number of unloaded classes. |
| */ |
| static native long getUnloadedClassCount(); |
| |
| /** |
| * Returns true if the virtual machine will emit additional |
| * information when classes are loaded and unloaded. The |
| * format of the output is left up to the virtual machine. |
| * |
| * @return true if verbose class loading output is on. |
| */ |
| static native boolean isVerbose(); |
| |
| /** |
| * Turns on or off the emission of additional information |
| * when classes are loaded and unloaded. The format of the |
| * output is left up to the virtual machine. This method |
| * may be called by multiple threads concurrently, but there |
| * is only one global setting of verbosity that is affected. |
| * |
| * @param verbose the new setting for verbose class loading |
| * output. |
| */ |
| static native void setVerbose(boolean verbose); |
| |
| } |