This is the old
Activity Diagram (legacy) syntax, to see the new current version see:
Activity Diagram (new).
You can use
(*) for the starting point and ending point of
the activity diagram.
In some occasion, you may want to use
(*top) to force the starting point to be at the top of the diagram.
Use
--> for arrows.
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@startuml
(*) --> "First Action"
"First Action" --> (*)
@enduml
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기본적으로 화살표는 마지막으로 사용한 액티비티에서 시작한다.
화살표에 라벨을 붙이려면 화살표 정의 바로 다음에
대괄호를 사용한다.
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@startuml
(*) --> "First Activity"
-->[You can put also labels] "Second Activity"
--> (*)
@enduml
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You can use
-> for horizontal arrows. It is possible to
force arrow's direction using the following syntax:
-down-> (default arrow)-right-> or ->-left->-up->
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@startuml
(*) -up-> "First Action"
-right-> "Second Action"
--> "Third Action"
-left-> (*)
@enduml
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You can use
if/then/else keywords to define branches.
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@startuml
(*) --> "Initialization"
if "Some Test" then
-->[true] "Some Action"
--> "Another Action"
-right-> (*)
else
->[false] "Something else"
-->[Ending process] (*)
endif
@enduml
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Unfortunately, you will have to sometimes repeat the same activity in the diagram text:
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@startuml
(*) --> "check input"
If "input is verbose" then
--> [Yes] "turn on verbosity"
--> "run command"
else
--> "run command"
Endif
-->(*)
@enduml
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기본적으로 브랜치는 마지막에 정의한 액티비티와 연결된다.
하지만 이 룰을 오버라이드 하여 다른 연결 관계를
if 키워드로
정의할 수 있다.
브랜치 내 브랜치 정도 가능하다.
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@startuml
(*) --> if "Some Test" then
-->[true] "activity 1"
if "" then
-> "activity 3" as a3
else
if "Other test" then
-left-> "activity 5"
else
--> "activity 6"
endif
endif
else
->[false] "activity 2"
endif
a3 --> if "last test" then
--> "activity 7"
else
-> "activity 8"
endif
@enduml
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You can use
=== code === to display synchronization bars.
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@startuml
(*) --> ===B1===
--> "Parallel Action 1"
--> ===B2===
===B1=== --> "Parallel Action 2"
--> ===B2===
--> (*)
@enduml
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When you declare activities, you can span on several lines the
description text. You can also add
\n in the description.
You can also give a short code to the activity with the
as
keyword.
This code can be used latter in the diagram description.
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@startuml
(*) -left-> "this <size:20>action</size>
is <b>very</b> <color:red>long2</color>
and defined on several lines
that contains many <i>text</i>" as A1
-up-> "Another action\n on several lines"
A1 --> "Short action <img:https://plantuml.com/sourceforge.jpg>"
@enduml
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You can add notes on a activity using the commands
note left,
note right,
note top or
note bottom,
just after the description of the activity you want to note.
If you want to put a note on the starting point, define the note
at the very beginning of the diagram description.
You can also have a note on several lines, using the
endnote keywords.
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@startuml
(*) --> "Some action"
note right: This action has to be defined
"Some action" --> (*)
note left
This note is on
several lines
end note
@enduml
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You can define a partition using the
partition keyword, and
optionally declare a background color for your partition (Using a html
color code or name)
When you declare activities, they are automatically put in the
last used partition.
You can close the partition definition using a closing bracket
}.
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@startuml
partition Conductor {
(*) --> "Climbs on Platform"
--> === S1 ===
--> Bows
}
partition Audience #LightSkyBlue {
=== S1 === --> Applauds
}
partition Conductor {
Bows --> === S2 ===
--> WavesArmes
Applauds --> === S2 ===
}
partition Orchestra #CCCCEE {
WavesArmes --> Introduction
--> "Play music"
}
@enduml
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You can use the
skinparam
command to change colors and fonts for the drawing.
You can use this command :
You can define specific color and fonts for stereotyped activities.
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@startuml
skinparam backgroundColor #AAFFFF
skinparam activity {
StartColor red
BarColor SaddleBrown
EndColor Silver
BackgroundColor Peru
BackgroundColor<< Begin >> Olive
BorderColor Peru
FontName Impact
}
(*) --> "Climbs on Platform" << Begin >>
--> === S1 ===
--> Bows
--> === S2 ===
--> WavesArmes
--> (*)
@enduml
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You can change the shape of activities to octagon using the
skinparam activityShape octagon
command.
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@startuml
'Default is skinparam activityShape roundBox
skinparam activityShape octagon
(*) --> "First Action"
"First Action" --> (*)
@enduml
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@startuml
title Servlet Container
(*) --> "ClickServlet.handleRequest()"
--> "new Page"
if "Page.onSecurityCheck" then
->[true] "Page.onInit()"
if "isForward?" then
->[no] "Process controls"
if "continue processing?" then
-->[yes] ===RENDERING===
else
-->[no] ===REDIRECT_CHECK===
endif
else
-->[yes] ===RENDERING===
endif
if "is Post?" then
-->[yes] "Page.onPost()"
--> "Page.onRender()" as render
--> ===REDIRECT_CHECK===
else
-->[no] "Page.onGet()"
--> render
endif
else
-->[false] ===REDIRECT_CHECK===
endif
if "Do redirect?" then
->[yes] "redirect request"
--> ==BEFORE_DESTROY===
else
if "Do Forward?" then
-left->[yes] "Forward request"
--> ==BEFORE_DESTROY===
else
-right->[no] "Render page template"
--> ==BEFORE_DESTROY===
endif
endif
--> "Page.onDestroy()"
-->(*)
@enduml
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