Test gravizo

@startuml
class StreamRun {
  +Char[40] name
  +Boolean active
  +Integer retry_count
  +Selection state
  +Datetime start_date
  +Datetime end_date
  +Selection mode
  +Integer total_record_count

  +execute()
  +retry()

}

class Stream {
  +Char name
  +Char code
  +Text

  + {static} run_by_code()
  + retry_all()
  + run_auto()
  + run_manual()

}

class StreamParameter {
  +Char code
  +Char value
}

class StreamData {
  +Char name
}

abstract class Adapter
abstract class Importer
abstract class Exporter

Adapter <|-down- Importer
Adapter <|-down- Exporter

Stream "1" *-down- StreamRun : runs
StreamRun "1" *-down- StreamData : datas
StreamRun "0" *-down- StreamCR : log
StreamData "0" *-right- StreamCR : log
Stream "1" *-right- StreamParameter : parameters
Adapter "1" *- Stream

@enduml