@Override
	public List<Stream> findAll(Iterable<String> ids) {
		List<Stream> results = new ArrayList<Stream>();
		try {
			for (String stream : ids) {
				Stream s = findOne(stream);
				if (s != null) {
					results.add(s);
				}
			}
		}
		catch (Exception e) {
			throw ZooKeeperUtils.wrapThrowable(e);
		}
		return results;
	}
Stream instance repository. It should only return values for Streams that are deployed.

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