["plantuml", "06_baseAppSingleInstance", "svg"]

------------
@startuml

  cloud "Cluster" as cluster {
    component "EntitiOwnershipService" as eos
  }

  package "OSGi Container" as osgi {
    component "ClusterSingletonServiceProvider" as cssProvider
  }

  package "ODL app Module" as app {
    component "ODL app provider" as appProvider
    component "ODL app body" as appBody
  }

  osgi -> app : <<init>>
  osgi <-- app : getClusterSingletonServiceProvider
  appProvider --> cssProvider : registerClusterSingletonService
  cssProvider --> eos : register candidate
  cssProvider <-- eos : get EOS Role
  cssProvider --> appBody : <<init>> for Master only


@enduml
------------