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 }