/*
 * Copyright (c) 2016, 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.core.common;

import jdk.vm.ci.code.CompilationRequest;

/**
 * A {@link CompilationIdentifier} based on a {@link CompilationRequest}.
 */
public interface CompilationRequestIdentifier extends CompilationIdentifier {

    CompilationRequest getRequest();

    /**
     * Returns the {@link CompilationRequestIdentifier#getRequest() request} from a
     * {@link CompilationRequestIdentifier}. Returns {@code null} if the
     * {@link CompilationIdentifier identifier} does not have one.
     */
    static CompilationRequest asCompilationRequest(CompilationIdentifier compilationId) {
        if (compilationId instanceof CompilationRequestIdentifier) {
            return ((CompilationRequestIdentifier) compilationId).getRequest();
        }
        return null;
    }
}