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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotMetaspaceConstant.java @ 15018:db4254246f9a

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Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
author Christian Wimmer <christian.wimmer@oracle.com>
date Mon, 07 Apr 2014 16:09:17 -0700
parents
children e43591136d9f
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15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
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1 /*
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2 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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6 * under the terms of the GNU General Public License version 2 only, as
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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7 * published by the Free Software Foundation.
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8 *
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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12 * version 2 for more details (a copy is included in the LICENSE file that
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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16 * 2 along with this work; if not, write to the Free Software Foundation,
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.meta;
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24
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25 import java.util.*;
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26
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27 import com.oracle.graal.api.meta.*;
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28
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29 public final class HotSpotMetaspaceConstant extends PrimitiveConstant {
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30
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31 private static final long serialVersionUID = 1003463314013122983L;
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32
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33 public static Constant forMetaspaceObject(Kind kind, long primitive, Object metaspaceObject) {
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34 return new HotSpotMetaspaceConstant(kind, primitive, metaspaceObject);
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35 }
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36
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37 public static Object getMetaspaceObject(Constant constant) {
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38 return ((HotSpotMetaspaceConstant) constant).metaspaceObject;
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39 }
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40
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41 private final Object metaspaceObject;
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42
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43 private HotSpotMetaspaceConstant(Kind kind, long primitive, Object metaspaceObject) {
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44 super(kind, primitive);
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45 this.metaspaceObject = metaspaceObject;
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46 }
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47
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48 @Override
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49 public int hashCode() {
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50 return super.hashCode() ^ System.identityHashCode(metaspaceObject);
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51 }
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52
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53 @Override
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54 public boolean equals(Object o) {
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55 return o == this || (o instanceof HotSpotMetaspaceConstant && super.equals(o) && Objects.equals(metaspaceObject, ((HotSpotMetaspaceConstant) o).metaspaceObject));
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56 }
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57
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58 @Override
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59 public String toString() {
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60 return super.toString() + "{" + metaspaceObject + "}";
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61 }
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62 }