@Override
    public ScheduledFuture<?> scheduleWithFixedDelay(final Runnable command, final long initialDelay, final long delay,
                                                     final TimeUnit unit) {
        return this.executor.scheduleWithFixedDelay(command, initialDelay, delay, unit);
    }
The global timer manager.

@author boyan (boyan@alibaba-inc.com)

2018-Mar-30 3:24:34 PM
jraft-core/src/main/java/com/alipay/sofa/jraft/core/TimerManager.java