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+/* VMGarbageCollectorMXBeanImpl.java - VM interface for a GC 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 garbage collectors
+ * of the virtual machine. Garbage collectors are responsible
+ * for removing unreferenced objects from memory. A garbage
+ * collector is a type of memory manager, so this interface
+ * is combined with that of generic memory managers. An instance
+ * of this bean for each garbage collector is obtained by calling
+ * {@link ManagementFactory#getGarbageCollectorMXBeans()}.
+ *
+ * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
+ * @since 1.5
+ */
+final class VMGarbageCollectorMXBeanImpl
+{
+
+ /**
+ * Returns the number of collections the garbage collector
+ * represented by this bean has made. -1 is returned if the
+ * collection count is undefined.
+ *
+ * @param name the name of the garbage collector.
+ * @return the number of collections made, or -1 if this is
+ * undefined.
+ */
+ static native long getCollectionCount(String name);
+
+ /**
+ * Returns the accumulated number of milliseconds this garbage
+ * collector has spent freeing the memory used by unreferenced
+ * objects. -1 is returned if the collection time is undefined.
+ * Note that the accumulated time may not change, even when the
+ * collection count increases, if the time taken is sufficiently
+ * short; this depends on the resolution of the timer used.
+ *
+ * @param name the name of the garbage collector.
+ * @return the accumulated number of milliseconds spent collecting,
+ * or -1 if this is undefined.
+ */
+ static native long getCollectionTime(String name);
+
+}