RK-J

Scheme for the ticket:

OnApplicationStartup:
   for(book : books):
      if('book' is in on-going state like 'In-progress', 'Updating', 'Completed/In-progress', 'Completed/Find-Comparable-Doc'):
         check last updated time of a 'book' for the ingestion i.e. X = (now - lastUpdatedTime) minutes
         if(isResumeAllowed(X)):
            resume the ingestion for a 'book'

isResumeAllowed(X):
   waiting_allow_time = 10 minutes
   if(X - waiting_allow_time < 0):
      sleep the thread for (waiting_allow_time-X) minutes
   return true;

1. https://stackoverflow.com/questions/6684451/executing-a-java-class-at-application-startup-using-spring-mvc
2. https://www.baeldung.com/spring-scheduled-tasks#setting-delay-or-rate-dynamically-at-runtime

1. https://stackoverflow.com/questions/19999231/how-to-start-a-thread-after-specified-time-delay-in-java
2. https://www.baeldung.com/java-delay-code-execution