- Preconditions.checkState(cluster.getSelfRoles().size() > 0,
- "No akka roles were specified\n" +
- "One way to specify the member name is to pass a property on the command line like so\n" +
- " -Dakka.cluster.roles.0=member-3\n" +
- "member-3 here would be the name of the member"
- );
+ public ClusterWrapperImpl(final ActorSystem actorSystem) {
+ cluster = Cluster.get(requireNonNull(actorSystem, "actorSystem should not be null"));