if (object instanceof Service && dependency instanceof Service) {
Service service = (Service) object;
Service dependencyService = (Service) dependency;
ServiceWithDependency sd = services.get(service);
sd.dependencies.add(dependencyService);
dependencyService.registerServiceListener(sd);
}
}
protected TaskAttemptListener createTaskAttemptListener(AppContext context,
TaskHeartbeatHandler thh, ContainerHeartbeatHandler chh) {