qbit/core/src/main/java/io/advantageous/qbit/reactive/Reactor.java
public void addOneShotAfterTask(final long fireAfter, final TimeUnit timeUnit, final Runnable task) {

        fireOnceAfterTasks.add(new FireOnceTask(task, timeUnit, fireAfter));
    }
public void addOneShotAfterTask(final long fireAfter, final TimeUnit timeUnit, final Runnable task) {

        fireOnceAfterTasks.add(new FireOnceTask(task, timeUnit, fireAfter));
    }
Add a task that gets executed once.

@param fireAfter run task after time period
@param timeUnit  unit for fireAfter
@param task      task to perform