MDC integration with ThreadPoolTaskExecutor

MDCThreadPoolTaskExecutor.java

    public TaskExecutor taskExecutor() {
        ThreadPoolTaskExecutor taskExecutor = new ThreadPoolTaskExecutor();
        taskExecutor.setCorePoolSize(10);
        taskExecutor.setMaxPoolSize(25);
        taskExecutor.setQueueCapacity(100);
        taskExecutor.setTaskDecorator(runnable -> {
            Map<String, String> contextMap = MDC.getCopyOfContextMap();
            return () -> {
                try {
                    MDC.setContextMap(contextMap);
                    runnable.run();
                } finally {
                    MDC.clear();
                }
            };
        });
        return taskExecutor;
    }