com.farao_community.farao.rao_runner.starter.MDCAwareForkJoinPool Maven / Gradle / Ivy

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/*
 * Copyright (c) 2022, RTE (http://www.rte-france.com)
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
package com.farao_community.farao.rao_runner.starter;

import org.slf4j.MDC;

import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.ForkJoinTask;

/**
 * @author Mohamed BenRejeb {@literal }
 */
public class MDCAwareForkJoinPool extends ForkJoinPool {

    @Override
    public  ForkJoinTask submit(Callable task) {
        return super.submit(wrapWithMdcContext(task));
    }

    @Override
    public  ForkJoinTask submit(Runnable task, T result) {
        return super.submit(wrapWithMdcContext(task), result);
    }

    @Override
    public ForkJoinTask submit(Runnable task) {
        return super.submit(wrapWithMdcContext(task));
    }

    @Override
    public void execute(Runnable task) {
        super.execute(wrapWithMdcContext(task));
    }

    public static  Callable wrapWithMdcContext(final Callable task) {
        //save the current MDC context
        final Map contextMap = MDC.getCopyOfContextMap();
        return () -> {
            setMDCContext(contextMap);
            try {
                return task.call();
            } finally {
                // once the task is complete, clear MDC
                MDC.clear();
            }
        };
    }

    public static Runnable wrapWithMdcContext(final Runnable task) {
        //save the current MDC context
        final Map contextMap = MDC.getCopyOfContextMap();
        return () -> {
            setMDCContext(contextMap);
            try {
                task.run();
            } finally {
                // once the task is complete, clear MDC
                MDC.clear();
            }
        };
    }

    public static void setMDCContext(final Map contextMap) {
        MDC.clear();
        if (contextMap != null) {
            MDC.setContextMap(contextMap);
        }
    }
}