/*

 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package org.graalvm.compiler.serviceprovider;

import java.util.Arrays;

import jdk.vm.ci.meta.SpeculationLog.SpeculationReason;

/**

 * An implementation of {@link SpeculationReason} based on direct, unencoded values.

 */

public final class UnencodedSpeculationReason implements SpeculationReason {

    final int groupId;

    final String groupName;

    final Object[] context;

    UnencodedSpeculationReason(int groupId, String groupName, Object[] context) {

        this.groupId = groupId;

        this.groupName = groupName;

        this.context = context;

    }

    @Override

    public boolean equals(Object obj) {

        if (obj instanceof UnencodedSpeculationReason) {

            UnencodedSpeculationReason that = (UnencodedSpeculationReason) obj;

            return this.groupId == that.groupId && Arrays.equals(this.context, that.context);

        }

        return false;

    }

    @Override

    public int hashCode() {

        return groupId + Arrays.hashCode(this.context);

    }

    @Override

    public String toString() {

        return String.format("%s@%d%s", groupName, groupId, Arrays.toString(context));

    }

}