/*
 * Copyright (c) 2000, 2002, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
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 *
 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package sun.jvm.hotspot.runtime;

import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.types.*;

This is a base class for all VM runtime objects which wrap Addresses. The rationale is that without this in place, every class would have to implement equals() and hashCode() with boilerplate code, a practice which is inherently error-prone.
/** This is a base class for all VM runtime objects which wrap Addresses. The rationale is that without this in place, every class would have to implement equals() and hashCode() with boilerplate code, a practice which is inherently error-prone. */
public class VMObject { protected Address addr;
All of the objects have this as their constructor's signature anyway
/** All of the objects have this as their constructor's signature anyway */
public VMObject(Address addr) { this.addr = addr; } public String toString() { return getClass().getName() + "@" + addr; } public boolean equals(Object arg) { if (arg == null) { return false; } if (!getClass().equals(arg.getClass())) { return false; } VMObject obj = (VMObject) arg; if (!addr.equals(obj.addr)) { return false; } return true; } public int hashCode() { return addr.hashCode(); } public Address getAddress() { return addr; } }