@Override
	public <S extends Job> Iterable<S> save(Iterable<S> entities) {
		// job instances are "saved" when a JobDeploymentListener deploys a job
		return entities;
	}
Job instance repository. It should only return values for Jobs that are deployed.

@author Mark Fisher
@author David Turanski
@author Gunnar Hillert
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/stream/zookeeper/ZooKeeperJobRepository.java