VSON.puml

@startuml

class GeoLocation {
  +double : longitude
  +double : latitude
}

class IntegerQuantity {
    +int : value
    +float : uncertainty
    +float : lowerUncertainty
    +float : upperUncertainty
    +float : confidenceLevel
}

class RealQuantity {
    +float : value
    +float : uncertainty
    +float : lowerUncertainty
    +float : upperUncertainty
    +float : confidenceLevel
}

RealQuantity . IntegerQuantity

class VSON {
  +Volcano[] : volcanoes
}

class Volcano {
  +String : id
  +String : name
  +GeoLocation : location
  +double : peakAltitude
  +VOLCANO_TYPE : type
  +ELEVATION_PROFILE : elevationProfile
  +VolcanoStatus[] : alerts
  +VolcanicEvent[] : events
  +VolcanicMeasurement[] : measurements
}

class VolcanicEvent {
  +String : id
  +EVENT_TYPE: type
  +date : startTime
  +date : endTime
  +date : updateTime
}

class VolcanicEruptionEvent {
  +ERUPTION_TYPE : eruptionType
}

class VolcanicMeasurement {
  +MEASUREMENT_TYPE : type
  +RealQuantity : value
}

class VolcanoStatus {
  +ALERT_LEVEL : alertLevel
  +Date : alertTime
}

enum MEASUREMENT_TYPE {

}

enum ALERT_LEVEL {
  NORMAL
  ADVISORY
  WATCH
  WARNING
}

/' ENUM CONSTANTS '/
enum ELEVATION_PROFILE {
  UNDERWATER
  ABOVE_WATER
}

enum VOLCANO_TYPE {
  COMPOSITE
  FISSURE
  LAVA_DOME
  SHIELD
  STRATO
}

enum EVENT_TYPE {
  ERUPTION
  LANDSLIDE
  TREMOR
}

VSON <-- Volcano

Volcano <- VolcanicEvent
VolcanoStatus -> Volcano

Volcano <-- ELEVATION_PROFILE
Volcano <-- VOLCANO_TYPE

ALERT_LEVEL -> VolcanoStatus

VolcanicEvent <- EVENT_TYPE
VolcanicEvent <|-- VolcanicEruptionEvent

Volcano <-- VolcanicMeasurement
VolcanicMeasurement <-- MEASUREMENT_TYPE

@enduml