1 /*
   2  * Copyright (c) 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 org.graalvm.compiler.nodes;
  24 
  25 import org.graalvm.compiler.core.common.LocationIdentity;
  26 
  27 import jdk.vm.ci.meta.JavaKind.FormatWithToString;
  28 import jdk.vm.ci.meta.ResolvedJavaField;
  29 
  30 public class FieldLocationIdentity extends LocationIdentity implements FormatWithToString {
  31 
  32     private final ResolvedJavaField inner;
  33 
  34     public FieldLocationIdentity(ResolvedJavaField inner) {
  35         this.inner = inner;
  36     }
  37 
  38     @Override
  39     public boolean isImmutable() {
  40         return false;
  41     }
  42 
  43     @Override
  44     public boolean equals(Object obj) {
  45         if (this == obj) {
  46             return true;
  47         }
  48         if (obj instanceof FieldLocationIdentity) {
  49             FieldLocationIdentity fieldLocationIdentity = (FieldLocationIdentity) obj;
  50             return inner.equals(fieldLocationIdentity.inner);
  51 
  52         }
  53         return false;
  54     }
  55 
  56     public ResolvedJavaField getField() {
  57         return inner;
  58     }
  59 
  60     @Override
  61     public int hashCode() {
  62         return inner.hashCode();
  63     }
  64 
  65     @Override
  66     public String toString() {
  67         return inner.format("%h.%n") + (isImmutable() ? ":immutable" : "");
  68     }
  69 }