Can be done less expensively (and perhaps more simply) by using built-ins:
```
Map<StackId, Set<String>> mpackServices = topology.getComponents().collect(
groupingBy(ResolvedComponent::stackId,
mapping(comp -> comp.serviceInfo().getName(), toSet())));
```[ Full content available at: https://github.com/apache/ambari/pull/2259 ] This message was relayed via gitbox.apache.org for [email protected]
