@startuml

' package definition
package "com.bitplan.graph" {

  class Hierarchy {
    - String rootType
    - List<Link> links
    - Map<String, Link> linksByName
    - boolean linkViaEdges
    + void setLinkViaEdges(boolean)
    + boolean isLinkViaEdges()
    + Hierarchy()
    + void setRootType(String)
    + String getRootType()
    + List<Link> getLinks()
    + Link getLink(String)
    + void addLink(Link)
    + void addRelation(String, String, String, String)
    + void addUpRelation(String, String, String)
    + void addRelations(String, String, String, String...)
    + void addUpRelations(String, String, String...)
    + List<Link> getChildLinks(String)
    + void showDebug()
  }

  class "Hierarchy.Link" as Link {
    + String name
    + String parentType
    + String parentRole
    + String childRole
    + String childType
    + Direction direction
    + Link(String, String, String, String, Direction)
    + static String makeLinkName(String, String, String, Direction)
  }

  enum "Hierarchy.Direction" as Direction {
    OUT
    IN
  }

  Hierarchy "1" *-- "*" Link : contains
  Link ..> Direction : direction


@enduml