java-design-patterns/optimistic-offline-lock/etc/optimistic-offline-lock.urm.puml

@startuml
package com.iluwatar.repository {
  interface JpaRepository<T> {
    + findById(long) : T {abstract}
    + getEntityVersionById(long) : int {abstract}
    + update(T) : int {abstract}
  }
}
package com.iluwatar.api {
  interface UpdateService<T> {
    + doUpdate(T, long) : T {abstract}
  }
}
package com.iluwatar.service {
  class CardUpdateService {
    - cardJpaRepository : JpaRepository<Card>
    + CardUpdateService(cardJpaRepository : JpaRepository<Card>)
    + doUpdate(obj : Card, id : long) : Card
  }
}
package com.iluwatar.model {
  class Card {
    - id : long
    - personId : long
    - sum : float
    - version : int
    + Card()
    + Card(id : long, personId : long, sum : float, version : int)
    + builder() : CardBuilder {static}
    # canEqual(other : Object) : boolean
    + equals(o : Object) : boolean
    + getId() : long
    + getPersonId() : long
    + getSum() : float
    + getVersion() : int
    + hashCode() : int
    + setId(id : long)
    + setPersonId(personId : long)
    + setSum(sum : float)
    + setVersion(version : int)
    + toString() : String
  }
  class CardBuilder {
    - id : long
    - personId : long
    - sum : float
    - version : int
    ~ CardBuilder()
    + build() : Card
    + id(id : long) : CardBuilder
    + personId(personId : long) : CardBuilder
    + sum(sum : float) : CardBuilder
    + toString() : String
    + version(version : int) : CardBuilder
  }
}
CardUpdateService -->  "-cardJpaRepository" JpaRepository
CardUpdateService ..|> UpdateService 
@enduml