1 /*
   2  * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package jdk.vm.ci.hotspot;
  24 
  25 import java.util.Objects;
  26 
  27 import jdk.vm.ci.meta.Constant;
  28 import jdk.vm.ci.meta.VMConstant;
  29 
  30 final class HotSpotMetaspaceConstantImpl implements HotSpotMetaspaceConstant, VMConstant {
  31 
  32     static HotSpotMetaspaceConstantImpl forMetaspaceObject(MetaspaceWrapperObject metaspaceObject, boolean compressed) {
  33         return new HotSpotMetaspaceConstantImpl(metaspaceObject, compressed);
  34     }
  35 
  36     static MetaspaceWrapperObject getMetaspaceObject(Constant constant) {
  37         return ((HotSpotMetaspaceConstantImpl) constant).metaspaceObject;
  38     }
  39 
  40     private final MetaspaceWrapperObject metaspaceObject;
  41     private final boolean compressed;
  42 
  43     private HotSpotMetaspaceConstantImpl(MetaspaceWrapperObject metaspaceObject, boolean compressed) {
  44         this.metaspaceObject = metaspaceObject;
  45         this.compressed = compressed;
  46     }
  47 
  48     @Override
  49     public int hashCode() {
  50         return System.identityHashCode(metaspaceObject) ^ (compressed ? 1 : 2);
  51     }
  52 
  53     @Override
  54     public boolean equals(Object o) {
  55         if (o == this) {
  56             return true;
  57         }
  58         if (!(o instanceof HotSpotMetaspaceConstantImpl)) {
  59             return false;
  60         }
  61 
  62         HotSpotMetaspaceConstantImpl other = (HotSpotMetaspaceConstantImpl) o;
  63         return Objects.equals(this.metaspaceObject, other.metaspaceObject) && this.compressed == other.compressed;

   1 /*
   2  * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package jdk.vm.ci.hotspot;
  24 
  25 import java.util.Objects;
  26 
  27 import jdk.vm.ci.meta.Constant;
  28 import jdk.vm.ci.meta.VMConstant;
  29 
  30 final class HotSpotMetaspaceConstantImpl implements HotSpotMetaspaceConstant, VMConstant {
  31 
  32     static HotSpotMetaspaceConstantImpl forMetaspaceObject(MetaspaceObject metaspaceObject, boolean compressed) {
  33         return new HotSpotMetaspaceConstantImpl(metaspaceObject, compressed);
  34     }
  35 
  36     static MetaspaceObject getMetaspaceObject(Constant constant) {
  37         return ((HotSpotMetaspaceConstantImpl) constant).metaspaceObject;
  38     }
  39 
  40     private final MetaspaceObject metaspaceObject;
  41     private final boolean compressed;
  42 
  43     private HotSpotMetaspaceConstantImpl(MetaspaceObject metaspaceObject, boolean compressed) {
  44         this.metaspaceObject = metaspaceObject;
  45         this.compressed = compressed;
  46     }
  47 
  48     @Override
  49     public int hashCode() {
  50         return System.identityHashCode(metaspaceObject) ^ (compressed ? 1 : 2);
  51     }
  52 
  53     @Override
  54     public boolean equals(Object o) {
  55         if (o == this) {
  56             return true;
  57         }
  58         if (!(o instanceof HotSpotMetaspaceConstantImpl)) {
  59             return false;
  60         }
  61 
  62         HotSpotMetaspaceConstantImpl other = (HotSpotMetaspaceConstantImpl) o;
  63         return Objects.equals(this.metaspaceObject, other.metaspaceObject) && this.compressed == other.compressed;