1 /*
   2  * Copyright (c) 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 
  24 
  25 package org.graalvm.compiler.serviceprovider;
  26 
  27 import java.util.Arrays;
  28 
  29 import jdk.vm.ci.meta.SpeculationLog.SpeculationReason;
  30 
  31 /**
  32  * An implementation of {@link SpeculationReason} based on direct, unencoded values.
  33  */
  34 public final class UnencodedSpeculationReason implements SpeculationReason {
  35     final int groupId;
  36     final String groupName;
  37     final Object[] context;
  38 
  39     UnencodedSpeculationReason(int groupId, String groupName, Object[] context) {
  40         this.groupId = groupId;
  41         this.groupName = groupName;
  42         this.context = context;
  43     }
  44 
  45     @Override
  46     public boolean equals(Object obj) {
  47         if (obj instanceof UnencodedSpeculationReason) {
  48             UnencodedSpeculationReason that = (UnencodedSpeculationReason) obj;
  49             return this.groupId == that.groupId && Arrays.equals(this.context, that.context);
  50         }
  51         return false;
  52     }
  53 
  54     @Override
  55     public int hashCode() {
  56         return groupId + Arrays.hashCode(this.context);
  57     }
  58 
  59     @Override
  60     public String toString() {
  61         return String.format("%s@%d%s", groupName, groupId, Arrays.toString(context));
  62     }
  63 }