08855df46a
Reviewed-by: vlivanov, erikj, mseledtsov, gthornbr
70 lines
2.4 KiB
Java
70 lines
2.4 KiB
Java
/*
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* Copyright (c) 2005, 2018, 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.
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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 nsk.share.gc;
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/**
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* An object that occupies approximately given number of bytes in memory
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* and has forward and backward links to other objects.
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*/
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public class LinkedMemoryObject extends MemoryObject {
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private LinkedMemoryObject next;
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private LinkedMemoryObject prev;
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/**
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* Create an object that occupies given number of bytes.
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*
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* @param arraySize size
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*/
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public LinkedMemoryObject(int size) {
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super(size - 2 * Memory.getReferenceSize());
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}
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public LinkedMemoryObject(int size, LinkedMemoryObject next) {
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super(size - 2 * Memory.getReferenceSize());
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setNext(next);
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}
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public LinkedMemoryObject(int size, LinkedMemoryObject next, LinkedMemoryObject prev) {
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super(size - 2 * Memory.getReferenceSize());
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setNext(next);
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setPrev(prev);
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}
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public final void setNext(LinkedMemoryObject next) {
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this.next = next;
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}
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public final void setPrev(LinkedMemoryObject prev) {
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this.prev = prev;
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}
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public final LinkedMemoryObject getNext() {
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return next;
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}
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public final LinkedMemoryObject getPrev() {
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return prev;
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}
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}
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