test/hotspot/jtreg/vmTestbase/nsk/share/gc/FinMemoryObject1.java

/*
 * Copyright (c) 2005, 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.share.gc;

import java.io.PrintStream;
import nsk.share.gc.Algorithms;

/**
 * An object that occupies approximately given number of bytes in memory
 * and also has finalizer that does nothing.
 */
public class FinMemoryObject1 extends MemoryObject {
        protected static int allocatedCount;

        public FinMemoryObject1(int size) {
                super(size);
                synchronized (FinMemoryObject.class) {
                        ++allocatedCount;
                }
        }

        protected void finalize() {
        }

        /**
         * Returns the number of allocated FinMemoryObjects.
         */
        public static int getAllocatedCount() {
                return allocatedCount;
        }

        public static void dumpStatistics(PrintStream out) {
                Algorithms.tryToPrintln(out, "Object count: " + getAllocatedCount());
        }

        public static void dumpStatistics() {
                dumpStatistics(System.out);
        }
}