/*
 * Copyright (c) 2014, 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 com.oracle.graal.truffle;

import static com.oracle.graal.truffle.TruffleCompilerOptions.*;

import com.oracle.truffle.api.*;

public class CounterAndTimeBasedCompilationPolicy extends CounterBasedCompilationPolicy {

    @Override
    public boolean shouldCompile(CompilationProfile profile, CompilerOptions options) {
        if (super.shouldCompile(profile, options)) {
            long threshold = TruffleTimeThreshold.getValue();

            if (options instanceof GraalCompilerOptions) {
                threshold = Math.max(threshold, ((GraalCompilerOptions) options).getMinTimeThreshold());
            }

            long time = profile.getTimestamp();
            if (time == 0) {
                throw new AssertionError();
            }
            long timeElapsed = System.nanoTime() - time;
            if (timeElapsed > threshold * 1_000_000) {
                profile.deferCompilation();
                return false;
            }
            return true;
        } else {
            return false;
        }
    }

}