use PlantUML keyword extends; relate VipRole to Vip

1 files changed, 7 insertions, 14 deletions

diff --git a/classes.puml b/classes.puml
index 65d4429..9ce32b6 100644
--- a/classes.puml
+++ b/classes.puml
@@ -3,11 +3,11 @@ abstract class Person {
   +name
 }
 
-abstract class Employee {
+abstract class Employee extends Person {
   +ssn
 }
 
-class Tap {
+class Tap extends Employee {
 }
 
 enum VipRole {
@@ -16,30 +16,23 @@ enum VipRole {
   RESEARCH_ASSISTANT
 }
 
-class Vip {
+class Vip extends Employee {
   +VipRole role
 }
 
-class Student {
+class Student extends Person {
 }
 
-Person <|-- Employee
-Employee <|-- Tap
-Employee <|-- Vip
-Person <|-- Student
-
 abstract class Org {
   +name
 }
 
-class Institute {
+class Institute extends Org {
 }
 
-class Faculty {
+class Faculty extends Org, Institute {
   +address
 }
 
-Org <|-- Institute
-Org <|-- Faculty
-Institute <|-- Faculty
+VipRole - Vip
 @enduml