You define instances of objects using the object keyword. 🎉 Copied! 
 | @startuml
object firstObject
object "My Second Object" as o2
@enduml
|
Relations between objects are defined using the following symbols : | Type | Symbol | Image | | Extension | <|-- |  | | Composition | *-- |  | | Aggregation | o-- |  |
It is possible to replace -- by .. to have a dotted line. Knowing those rules, it is possible to draw the following drawings. It is possible a add a label on the relation, using : followed by the text of the label. For cardinality, you can use double-quotes "" on each side of the relation. 🎉 Copied!
| @startuml
object Object01
object Object02
object Object03
object Object04
object Object05
object Object06
object Object07
object Object08
Object01 <|-- Object02
Object03 *-- Object04
Object05 o-- "4" Object06
Object07 .. Object08 : some labels
@enduml
|
🎉 Copied!
| @startuml
object o1
object o2
diamond dia
object o3
o1 --> dia
o2 --> dia
dia --> o3
@enduml
|
To declare fields, you can use the symbol : followed by the field's name. 🎉 Copied!
| @startuml
object user
user : name = "Dummy"
user : id = 123
@enduml
|
It is also possible to group all fields between brackets {}. 🎉 Copied!
| @startuml
object user {
name = "Dummy"
id = 123
}
@enduml
|
You can define a map table or associative array, with map keyword and => separator. 🎉 Copied!
| @startuml
map CapitalCity {
UK => London
USA => Washington
Germany => Berlin
}
@enduml
|
🎉 Copied!
| @startuml
map "Map **Contry => CapitalCity**" as CC {
UK => London
USA => Washington
Germany => Berlin
}
@enduml
|
🎉 Copied!
| @startuml
map "map: Map<Integer, String>" as users {
1 => Alice
2 => Bob
3 => Charlie
}
@enduml
|
And add link with object. 🎉 Copied!
| @startuml
object London
map CapitalCity {
UK *-> London
USA => Washington
Germany => Berlin
}
@enduml
|
🎉 Copied!
| @startuml
object London
object Washington
object Berlin
object NewYork
map CapitalCity {
UK *-> London
USA *--> Washington
Germany *---> Berlin
}
NewYork --> CapitalCity::USA
@enduml
|
[Ref. #307] 🎉 Copied!
| @startuml
package foo {
object baz
}
package bar {
map A {
b *-> foo.baz
c =>
}
}
A::c --> foo
@enduml
|
[Ref. QA-12934] 🎉 Copied!
| @startuml
object Foo
map Bar {
abc=>
def=>
}
object Baz
Bar::abc --> Baz : Label one
Foo --> Bar::def : Label two
@enduml
|
[Ref. #307] You can use map table in order to make Program (or project) evaluation and review technique (PERT) diagram. 🎉 Copied!
| @startuml PERT
left to right direction
' Horizontal lines: -->, <--, <-->
' Vertical lines: ->, <-, <->
title PERT: Project Name
map Kick.Off {
}
map task.1 {
Start => End
}
map task.2 {
Start => End
}
map task.3 {
Start => End
}
map task.4 {
Start => End
}
map task.5 {
Start => End
}
Kick.Off --> task.1 : Label 1
Kick.Off --> task.2 : Label 2
Kick.Off --> task.3 : Label 3
task.1 --> task.4
task.2 --> task.4
task.3 --> task.4
task.4 --> task.5 : Label 4
@enduml
|
[Ref. QA-12337] Simple example 🎉 Copied!
| @startuml
class Class
object Object
json JSON {
"fruit":"Apple",
"size":"Large",
"color": ["Red", "Green"]
}
@enduml
|
[Ref. QA-15481] For another example, see on JSON page. | |
Relations between objects
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