ClusterService / ClusterConfig

gistfile1.txt

trait ClusterService {
  def initialize()
  def enabled: Boolean
  def clusterStatus: ClusterStatus
}

case class ClusterStatus(
  current: String, 
  isLeader: Boolean, leader: String, 
  participants: Iterable[String])


@Configuration   // Non-testing version
class ClusterConfig {   
  @Bean def clusterService: ClusterService = new ZookeeperServiceImpl
}