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Diagramme de séquence

Sequence Diagram

Exemples de base

Le symbole -> est utilisé pour dessiner un message entre deux participants. Les participants n'ont pas besoin d'être explicitement déclarés.

Pour avoir une flèche en pointillée, il faut utiliser -->.

Il est aussi possible d'utiliser <- et <--. Cela ne change pas le dessin, mais cela peut améliorer la lisibilité du texte source. Ceci est uniquement vrai pour les diagrammes de séquences, les règles sont différentes pour les autres diagrammes.

@startuml
Alice -> Bob: Authentication Request
Bob --> Alice: Authentication Response

Alice -> Bob: Another authentication Request
Alice <-- Bob: another authentication Response
@enduml

Basic examples

The sequence -> is used to draw a message between two participants. Participants do not have to be explicitly declared.

To have a dotted arrow, you use -->

It is also possible to use <- and <--. That does not change the drawing, but may improve readability. Note that this is only true for sequence diagrams, rules are different for the other diagrams.

@startuml
Alice -> Bob: Authentication Request
Bob --> Alice: Authentication Response

Alice -> Bob: Another authentication Request
Alice <-- Bob: Another authentication Response
@enduml

Déclaration de participants

Il est possible de changer l'ordre des participants à l'aide du mot clé participant.

Il est aussi possible d'utiliser d'autres mot-clés pour déclarer un participant :
  • actor
  • boundary
  • control
  • entity
  • database
  • collections

@startuml
actor Foo1
boundary Foo2
control Foo3
entity Foo4
database Foo5
collections Foo6
Foo1 -> Foo2 : To boundary
Foo1 -> Foo3 : To control
Foo1 -> Foo4 : To entity
Foo1 -> Foo5 : To database
Foo1 -> Foo6 : To collections

@enduml

On peut aussi utiliser un nom court à l'aide grâce au mot-clé as.

La couleur d'un acteur ou d'un participant peut être définie avec son code ou son nom HTML.

@startuml
actor Bob #red
' The only difference between actor
'and participant is the drawing
participant Alice
participant "I have a really\nlong name" as L #99FF99
/' You can also declare:
   participant L as "I have a really\nlong name"  #99FF99
  '/

Alice->Bob: Authentication Request
Bob->Alice: Authentication Response
Bob->L: Log transaction
@enduml

Vous pouvez utiliser le mot-clé order pour modifier l'ordre des participants

@startuml
participant Last order 30
participant Middle order 20
participant First order 10
@enduml

Declaring participant

If the keyword participant is used to declare a participant, more control on that participant is possible.

The order of declaration will be the (default) order of display.

Using these other keywords to declare participants will change the shape of the participant representation:
  • actor
  • boundary
  • control
  • entity
  • database
  • collections

@startuml
actor Foo1
boundary Foo2
control Foo3
entity Foo4
database Foo5
collections Foo6
Foo1 -> Foo2 : To boundary
Foo1 -> Foo3 : To control
Foo1 -> Foo4 : To entity
Foo1 -> Foo5 : To database
Foo1 -> Foo6 : To collections

@enduml

Rename a participant using the as keyword.

You can also change the background color of actor or participant.

@startuml
actor Bob #red
' The only difference between actor
'and participant is the drawing
participant Alice
participant "I have a really\nlong name" as L #99FF99
/' You can also declare:
   participant L as "I have a really\nlong name"  #99FF99
  '/

Alice->Bob: Authentication Request
Bob->Alice: Authentication Response
Bob->L: Log transaction
@enduml

You can use the order keyword to customize the display order of participants.

@startuml
participant Last order 30
participant Middle order 20
participant First order 10
@enduml

Caractères non alphanumérique dans les participants

Si vous voulez mettre des charactères non alphanumériques, il est possible d'utiliser des guillemets. Et on peut utiliser le mot clé as pour définir un alias pour ces participants.

@startuml
Alice -> "Bob()" : Hello
"Bob()" -> "This is very\nlong" as Long
' You can also declare:
' "Bob()" -> Long as "This is very\nlong"
Long --> "Bob()" : ok
@enduml

Use non-letters in participants

You can use quotes to define participants. And you can use the as keyword to give an alias to those participants.

@startuml
Alice -> "Bob()" : Hello
"Bob()" -> "This is very\nlong" as Long
' You can also declare:
' "Bob()" -> Long as "This is very\nlong"
Long --> "Bob()" : ok
@enduml

Message à soi-même

Un participant peut très bien s'envoyer un message.

Il est possible de mettre un message sur plusieurs lignes grâce à \n.

@startuml
Alice->Alice: This is a signal to self.\nIt also demonstrates\nmultiline \ntext
@enduml

Message to Self

A participant can send a message to itself.

It is also possible to have multi-line using \n.

@startuml
Alice->Alice: This is a signal to self.\nIt also demonstrates\nmultiline \ntext
@enduml

Text alignment

Text of response message below the arrow

You can put the text of the response message below the arrow, with the skinparam responseMessageBelowArrow true command.

@startuml
skinparam responseMessageBelowArrow true
Bob -> Alice : hello
Alice -> Bob : ok
@enduml

TODO
Link to Text Alignment on skinparam page.

Autre style de flèches

Vous pouvez changer les flèches de plusieurs façons :
  • Pour indiquer un message perdu, terminer la flèche avec x
  • Utiliser \ ou / à la place de < ou > pour avoir seulement la partie supérieure ou inférieure de la flèche.
  • Doubler un des caractères (par exemple, >> ou //)pour avoir une flèche plus fine.
  • Utiliser -- à la place de - pour avoir des pointillés.
  • Utiliser "o" après la flèche
  • Utiliser une flèche bi-directionnelle <->

@startuml
Bob ->x Alice
Bob -> Alice
Bob ->> Alice
Bob -\ Alice
Bob \\- Alice
Bob //-- Alice

Bob ->o Alice
Bob o\\-- Alice

Bob <-> Alice
Bob <->o Alice
@enduml

Change arrow style

You can change arrow style by several ways:
  • add a final x to denote a lost message
  • use \ or / instead of < or > to have only the bottom or top part of the arrow
  • repeat the arrow head (for example, >> or //) head to have a thin drawing
  • use -- instead of - to have a dotted arrow
  • add a final "o" at arrow head
  • use bidirectional arrow <->

@startuml
Bob ->x Alice
Bob -> Alice
Bob ->> Alice
Bob -\ Alice
Bob \\- Alice
Bob //-- Alice

Bob ->o Alice
Bob o\\-- Alice

Bob <-> Alice
Bob <->o Alice
@enduml

Changer la couleur des flèches

Changer la couleur d'une flèche ainsi:

@startuml
Bob -[#red]> Alice : hello
Alice -[#0000FF]->Bob : ok
@enduml

Change arrow color

You can change the color of individual arrows using the following notation:

@startuml
Bob -[#red]> Alice : hello
Alice -[#0000FF]->Bob : ok
@enduml

Numérotation automatique des messages

Le mot clé autonumber est utilisé pour ajouter automatiquement des numéros aux messages.

@startuml
autonumber
Bob -> Alice : Authentication Request
Bob <- Alice : Authentication Response
@enduml

Spécifier le numéro de départ avec autonumber //start// , et l'incrément avec autonumber //start// //increment//.

@startuml
autonumber
Bob -> Alice : Authentication Request
Bob <- Alice : Authentication Response

autonumber 15
Bob -> Alice : Another authentication Request
Bob <- Alice : Another authentication Response

autonumber 40 10
Bob -> Alice : Yet another authentication Request
Bob <- Alice : Yet another authentication Response

@enduml

Spécifier le format d'un nombre entre guillemets anglais.

Le formatage est fait par la classe DecimalFormat (0 signifie un chiffre, # signifie un chiffre ou zéro si absent).

Des balises HTML sont permises dans le format.

@startuml
autonumber "<b>[000]"
Bob -> Alice : Authentication Request
Bob <- Alice : Authentication Response

autonumber 15 "<b>(<u>##</u>)"
Bob -> Alice : Another authentication Request
Bob <- Alice : Another authentication Response

autonumber 40 10 "<font color=red><b>Message 0  "
Bob -> Alice : Yet another authentication Request
Bob <- Alice : Yet another authentication Response

@enduml

Vous pouvez utiliser autonumber //stop// et autonumber resume //increment// //format// pour respectivement arrêter et reprendre la numérotation automatique.

@startuml
autonumber 10 10 "<b>[000]"
Bob -> Alice : Authentication Request
Bob <- Alice : Authentication Response

autonumber stop
Bob -> Alice : dummy

autonumber resume "<font color=red><b>Message 0  "
Bob -> Alice : Yet another authentication Request
Bob <- Alice : Yet another authentication Response

autonumber stop
Bob -> Alice : dummy

autonumber resume 1 "<font color=blue><b>Message 0  "
Bob -> Alice : Yet another authentication Request
Bob <- Alice : Yet another authentication Response
@enduml

Message sequence numbering

The keyword autonumber is used to automatically add number to messages.

@startuml
autonumber
Bob -> Alice : Authentication Request
Bob <- Alice : Authentication Response
@enduml

You can specify a startnumber with autonumber //start// , and also an increment with autonumber //start// //increment//.

@startuml
autonumber
Bob -> Alice : Authentication Request
Bob <- Alice : Authentication Response

autonumber 15
Bob -> Alice : Another authentication Request
Bob <- Alice : Another authentication Response

autonumber 40 10
Bob -> Alice : Yet another authentication Request
Bob <- Alice : Yet another authentication Response

@enduml

You can specify a format for your number by using between double-quote.

The formatting is done with the Java class DecimalFormat (0 means digit, # means digit and zero if absent).

You can use some html tag in the format.

@startuml
autonumber "<b>[000]"
Bob -> Alice : Authentication Request
Bob <- Alice : Authentication Response

autonumber 15 "<b>(<u>##</u>)"
Bob -> Alice : Another authentication Request
Bob <- Alice : Another authentication Response

autonumber 40 10 "<font color=red><b>Message 0  "
Bob -> Alice : Yet another authentication Request
Bob <- Alice : Yet another authentication Response

@enduml

You can also use autonumber stop and autonumber resume //increment// //format// to respectively pause and resume automatic numbering.

@startuml
autonumber 10 10 "<b>[000]"
Bob -> Alice : Authentication Request
Bob <- Alice : Authentication Response

autonumber stop
Bob -> Alice : dummy

autonumber resume "<font color=red><b>Message 0  "
Bob -> Alice : Yet another authentication Request
Bob <- Alice : Yet another authentication Response

autonumber stop
Bob -> Alice : dummy

autonumber resume 1 "<font color=blue><b>Message 0  "
Bob -> Alice : Yet another authentication Request
Bob <- Alice : Yet another authentication Response
@enduml

Page Title, Header and Footer

The title keyword is used to add a title to the page.

Pages can display headers and footers using header and footer.

@startuml

header Page Header
footer Page %page% of %lastpage%

title Example Title

Alice -> Bob : message 1
Alice -> Bob : message 2

@enduml

Page Title, Header and Footer

The title keyword is used to add a title to the page.

Pages can display headers and footers using header and footer.

@startuml

header Page Header
footer Page %page% of %lastpage%

title Example Title

Alice -> Bob : message 1
Alice -> Bob : message 2

@enduml

Découper un diagramme

Le mot clé newpage est utilisé pour découper un digramme en plusieurs images.

Vous pouvez mettre un titre pour la nouvelle page juste après le mot clé newpage.

Ceci est très pratique pour mettre de très longs digrammes sur plusieurs pages.

@startuml

Alice -> Bob : message 1
Alice -> Bob : message 2

newpage

Alice -> Bob : message 3
Alice -> Bob : message 4

newpage A title for the\nlast page

Alice -> Bob : message 5
Alice -> Bob : message 6
@enduml

Splitting diagrams

The newpage keyword is used to split a diagram into several images.

You can put a title for the new page just after the newpage keyword. This title overrides the previously specified title if any.

This is very handy with Word to print long diagram on several pages.

(Note: this really does work. Only the first page is shown below, but it is a display artifact.)

@startuml

Alice -> Bob : message 1
Alice -> Bob : message 2

newpage

Alice -> Bob : message 3
Alice -> Bob : message 4

newpage A title for the\nlast page

Alice -> Bob : message 5
Alice -> Bob : message 6
@enduml

Regrouper les messages (cadres UML)

Il est possible de regrouper les messages dans un cadre UML à l'aide d'un des mot clés suivants:
  • alt/else
  • opt
  • loop
  • par
  • break
  • critical
  • group, suivi par le texte à afficher

Il est aussi possible de mettre un texte à afficher dans l'entête. Le mot-clé end est utiliser pour fermer le groupe. Il est aussi possible d'imbriquer les groupes.

Terminer le cadre avec le mot-clé end.

Il est possible d'imbriquer les cadres.

@startuml
Alice -> Bob: Authentication Request

alt successful case

    Bob -> Alice: Authentication Accepted

else some kind of failure

    Bob -> Alice: Authentication Failure
    group My own label
    Alice -> Log : Log attack start
        loop 1000 times
            Alice -> Bob: DNS Attack
        end
    Alice -> Log : Log attack end
    end

else Another type of failure

   Bob -> Alice: Please repeat

end
@enduml

Grouping message

It is possible to group messages together using the following keywords:
  • alt/else
  • opt
  • loop
  • par
  • break
  • critical
  • group, followed by a text to be displayed

It is possible a add a text that will be displayed into the header (except for group).

The end keyword is used to close the group.

Note that it is possible to nest groups.

@startuml
Alice -> Bob: Authentication Request

alt successful case

    Bob -> Alice: Authentication Accepted

else some kind of failure

    Bob -> Alice: Authentication Failure
    group My own label
    Alice -> Log : Log attack start
        loop 1000 times
            Alice -> Bob: DNS Attack
        end
    Alice -> Log : Log attack end
    end

else Another type of failure

   Bob -> Alice: Please repeat

end
@enduml

Note sur les messages

Pour attacher une note à un message, utiliser les mots-clés note left (pour une note à gauche) ou note right (pour une note à droite) juste après le message.

Il est possible d'avoir une note sur plusieurs lignes avec le mot clé end note.

@startuml
Alice->Bob : hello
note left: this is a first note

Bob->Alice : ok
note right: this is another note

Bob->Bob : I am thinking
note left
a note
can also be defined
on several lines
end note
@enduml

Notes on messages

It is possible to put notes on message using the note left or note right keywords just after the message.

You can have a multi-line note using the end note keywords.

@startuml
Alice->Bob : hello
note left: this is a first note

Bob->Alice : ok
note right: this is another note

Bob->Bob : I am thinking
note left
a note
can also be defined
on several lines
end note
@enduml

Encore plus de notes

Il est aussi possible de mettre des notes placées par rapport aux participants.

Il est aussi possible de faire ressortir une note en changeant sa couleur de fond.

On peut aussi avoir des notes sur plusieurs lignes à l'aide du mot clé end note.

@startuml
participant Alice
participant Bob
note left of Alice #aqua
This is displayed
left of Alice.
end note

note right of Alice: This is displayed right of Alice.

note over Alice: This is displayed over Alice.

note over Alice, Bob #FFAAAA: This is displayed\n over Bob and Alice.

note over Bob, Alice
This is yet another
example of
a long note.
end note
@enduml

Some other notes

It is also possible to place notes relative to participant with note left of , note right of or note over keywords.

It is possible to highlight a note by changing its background color.

You can also have a multi-line note using the end note keywords.

@startuml
participant Alice
participant Bob
note left of Alice #aqua
This is displayed
left of Alice.
end note

note right of Alice: This is displayed right of Alice.

note over Alice: This is displayed over Alice.

note over Alice, Bob #FFAAAA: This is displayed\n over Bob and Alice.

note over Bob, Alice
This is yet another
example of
a long note.
end note
@enduml

Changer l'aspect des notes

Vous pouvez préciser la forme géométrique des notes. \n (rnote : rectangulaire, ou hnote : hexagonale)

@startuml
caller -> server : conReq
hnote over caller : idle
caller <- server : conConf
rnote over server
 "r" as rectangle
 "h" as hexagon
endrnote
@enduml

Changing notes shape

You can use hnote and rnote keywords to change note shapes.

@startuml
caller -> server : conReq
hnote over caller : idle
caller <- server : conConf
rnote over server
 "r" as rectangle
 "h" as hexagon
endrnote
@enduml

Créole (langage de balisage léger) et HTML

Il est également possible d'utiliser le formatage créole (langage de balisage léger):

@startuml
participant Alice
participant "The **Famous** Bob" as Bob

Alice -> Bob : hello --there--
... Some ~~long delay~~ ...
Bob -> Alice : ok
note left
  This is **bold**
  This is //italics//
  This is ""monospaced""
  This is --stroked--
  This is __underlined__
  This is ~~waved~~
end note

Alice -> Bob : A //well formatted// message
note right of Alice
 This is <back:cadetblue><size:18>displayed</size></back>
 __left of__ Alice.
end note
note left of Bob
 <u:red>This</u> is <color #118888>displayed</color>
 **<color purple>left of</color> <s:red>Alice</strike> Bob**.
end note
note over Alice, Bob
 <w:#FF33FF>This is hosted</w> by <img sourceforge.jpg>
end note
@enduml

Creole and HTML

It is also possible to use creole formatting:

@startuml
participant Alice
participant "The **Famous** Bob" as Bob

Alice -> Bob : hello --there--
... Some ~~long delay~~ ...
Bob -> Alice : ok
note left
  This is **bold**
  This is //italics//
  This is ""monospaced""
  This is --stroked--
  This is __underlined__
  This is ~~waved~~
end note

Alice -> Bob : A //well formatted// message
note right of Alice
 This is <back:cadetblue><size:18>displayed</size></back>
 __left of__ Alice.
end note
note left of Bob
 <u:red>This</u> is <color #118888>displayed</color>
 **<color purple>left of</color> <s:red>Alice</strike> Bob**.
end note
note over Alice, Bob
 <w:#FF33FF>This is hosted</w> by <img sourceforge.jpg>
end note
@enduml

Séparation

Si vous voulez, vous pouvez séparer le diagramme avec l'aide de "==" en étapes logiques.

@startuml

== Initialization ==

Alice -> Bob: Authentication Request
Bob --> Alice: Authentication Response

== Repetition ==

Alice -> Bob: Another authentication Request
Alice <-- Bob: another authentication Response

@enduml

Divider

If you want, you can split a diagram using == separator to divide your diagram into logical steps.

@startuml

== Initialization ==

Alice -> Bob: Authentication Request
Bob --> Alice: Authentication Response

== Repetition ==

Alice -> Bob: Another authentication Request
Alice <-- Bob: another authentication Response

@enduml

Référence

Vous pouvez ajouter des références dans un diagramme, en utilisant le mot-clé ref over.

@startuml
participant Alice
actor Bob

ref over Alice, Bob : init

Alice -> Bob : hello

ref over Bob
  This can be on
  several lines
end ref
@enduml

Reference

You can use reference in a diagram, using the keyword ref over.

@startuml
participant Alice
actor Bob

ref over Alice, Bob : init

Alice -> Bob : hello

ref over Bob
  This can be on
  several lines
end ref
@enduml

Retard

Utiliser ... pour indiquer le passage de temps arbitraire dans le diagramme. Un message peut être associé à un retard.

@startuml

Alice -> Bob: Authentication Request
...
Bob --> Alice: Authentication Response
...5 minutes later...
Bob --> Alice: Bye !

@enduml

Delay

You can use ... to indicate a delay in the diagram. And it is also possible to put a message with this delay.

@startuml

Alice -> Bob: Authentication Request
...
Bob --> Alice: Authentication Response
...5 minutes later...
Bob --> Alice: Bye !

@enduml

Séparation verticale

Utiliser ||| pour créer un espace vertical dans le diagramme.

Il est également possible de spécifier un nombre de pixels pour la séparation verticale.

@startuml

Alice -> Bob: message 1
Bob --> Alice: ok
|||
Alice -> Bob: message 2
Bob --> Alice: ok
||45||
Alice -> Bob: message 3
Bob --> Alice: ok

@enduml

Space

You can use ||| to indicate some spacing in the diagram.

It is also possible to specify a number of pixel to be used.

@startuml

Alice -> Bob: message 1
Bob --> Alice: ok
|||
Alice -> Bob: message 2
Bob --> Alice: ok
||45||
Alice -> Bob: message 3
Bob --> Alice: ok

@enduml

Lignes de vie

Vous pouvez utiliser activate et deactivate pour marquer l'activation des participants.

Une fois qu'un participant est activé, sa ligne de vie apparaît.

Les ordres activate et deactivate s'applique sur le message situé juste avant.

Le mot clé destroy sert à montrer la fin de vie d'un participant.

@startuml
participant User

User -> A: DoWork
activate A

A -> B: << createRequest >>
activate B

B -> C: DoWork
activate C
C --> B: WorkDone
destroy C

B --> A: RequestCreated
deactivate B

A -> User: Done
deactivate A

@enduml

Les lignes de vie peuvent être imbriquées, et il est possible de les colorer.

@startuml
participant User

User -> A: DoWork
activate A #FFBBBB

A -> A: Internal call
activate A #DarkSalmon

A -> B: << createRequest >>
activate B

B --> A: RequestCreated
deactivate B
deactivate A
A -> User: Done
deactivate A

@enduml

Lifeline Activation and Destruction

The activate and deactivate are used to denote participant activation.

Once a participant is activated, its lifeline appears.

The activate and deactivate apply on the previous message.

The destroy denote the end of the lifeline of a participant.

@startuml
participant User

User -> A: DoWork
activate A

A -> B: << createRequest >>
activate B

B -> C: DoWork
activate C
C --> B: WorkDone
destroy C

B --> A: RequestCreated
deactivate B

A -> User: Done
deactivate A

@enduml

Nested lifeline can be used, and it is possible to add a color on the lifeline.

@startuml
participant User

User -> A: DoWork
activate A #FFBBBB

A -> A: Internal call
activate A #DarkSalmon

A -> B: << createRequest >>
activate B

B --> A: RequestCreated
deactivate B
deactivate A
A -> User: Done
deactivate A

@enduml

Autoactivation is possible and works with the return keywords:

@startuml
autoactivate on
alice -> bob : hello
bob -> bob : self call
bill -> bob #005500 : hello from thread 2
bob -> george ** : create
return done in thread 2
return rc
bob -> george !! : delete
return success

@enduml

Return

A new command return for generating a return message with optional text label. The point returned to is the point that cause the most recently activated life-line. The syntax is simply return label where label, if provided, can be any string acceptable on conventional messages.

@startuml
Bob -> Alice : hello
activate Alice
Alice -> Alice : some action
return bye
@enduml

Return

Command return generates a return message with optional text label.

The return point is that which caused the most recent life-line activation.

The syntax is return label where label if provided is any string acceptable for conventional messages.

@startuml
Bob -> Alice : hello
activate Alice
Alice -> Alice : some action
return bye
@enduml

Création de participants.

Vous pouvez utiliser le mot clé create juste avant la première réception d'un message pour montrer que le message en question est une création d'un nouvelle objet.

@startuml
Bob -> Alice : hello

create Other
Alice -> Other : new

create control String
Alice -> String
note right : You can also put notes!

Alice --> Bob : ok

@enduml

Participant creation

You can use the create keyword just before the first reception of a message to emphasize the fact that this message is actually creating this new object.

@startuml
Bob -> Alice : hello

create Other
Alice -> Other : new

create control String
Alice -> String
note right : You can also put notes!

Alice --> Bob : ok

@enduml

Shortcut syntax for activation, deactivation, creation

Immediately after specifying the target participant, the following syntax can be used:

  • ++ Activate the target (optionally a #color may follow this)
  • -- Deactivate the source
  • ** Create an instance of the target
  • !! Destroy an instance of the target

@startuml
alice -> bob ++ : hello
bob -> bob ++ : self call
bob -> bib ++  #005500 : hello
bob -> george ** : create
return done
return rc
bob -> george !! : delete
return success
@enduml

Messages entrant et sortant

Vous pouvez utiliser des flèches qui viennent de la droite ou de la gauche pour dessiner un sous-diagramme.

Il faut utiliser des crochets pour indiquer la gauche "[" ou la droite "]" du diagramme.

@startuml
[-> A: DoWork

activate A

A -> A: Internal call
activate A

A ->] : << createRequest >>

A<--] : RequestCreated
deactivate A
[<- A: Done
deactivate A
@enduml

Vous pouvez aussi utiliser la syntaxe suivante:

@startuml
[-> Bob
[o-> Bob
[o->o Bob
[x-> Bob

[<- Bob
[x<- Bob

Bob ->]
Bob ->o]
Bob o->o]
Bob ->x]

Bob <-]
Bob x<-]
@enduml

Incoming and outgoing messages

You can use incoming or outgoing arrows if you want to focus on a part of the diagram.

Use square brackets to denote the left "[" or the right "]" side of the diagram.

@startuml
[-> A: DoWork

activate A

A -> A: Internal call
activate A

A ->] : << createRequest >>

A<--] : RequestCreated
deactivate A
[<- A: Done
deactivate A
@enduml

You can also have the following syntax:

@startuml
[-> Bob
[o-> Bob
[o->o Bob
[x-> Bob

[<- Bob
[x<- Bob

Bob ->]
Bob ->o]
Bob o->o]
Bob ->x]

Bob <-]
Bob x<-]
@enduml

Anchors and Duration

With teoz usage it is possible to add anchors to the diagram and use the anchors to specify duration time.

@startuml
!pragma teoz true

{start} Alice -> Bob : start doing things during duration
Bob -> Max : something
Max -> Bob : something else
{end} Bob -> Alice : finish

{start} <-> {end} : some time

@enduml

Anchors and Duration

With teoz usage it is possible to add anchors to the diagram and use the anchors to specify duration time.

@startuml
!pragma teoz true

{start} Alice -> Bob : start doing things during duration
Bob -> Max : something
Max -> Bob : something else
{end} Bob -> Alice : finish

{start} <-> {end} : some time

@enduml

Stéréotypes et décoration

Il est possible de rajouter un stéréotype aux participants en utilisant "<<" et ">>".

Dans le stéréotype, vous pouvez ajouter un caractère entouré d'un cercle coloré en utilisant la syntaxe (X,couleur).

@startuml

participant "Famous Bob" as Bob << Generated >>
participant Alice << (C,#ADD1B2) Testable >>

Bob->Alice: First message

@enduml

Par défaut, le caractère guillemet est utilisé pour afficher les stéréotypes. Vous pouvez changer ce comportement en utilisant la propriété skinparam guillemet:

@startuml

skinparam guillemet false
participant "Famous Bob" as Bob << Generated >>
participant Alice << (C,#ADD1B2) Testable >>

Bob->Alice: First message

@enduml

@startuml

participant Bob << (C,#ADD1B2) >>
participant Alice << (C,#ADD1B2) >>

Bob->Alice: First message

@enduml

Stereotypes and Spots

It is possible to add stereotypes to participants using << and >>.

In the stereotype, you can add a spotted character in a colored circle using the syntax (X,color).

@startuml

participant "Famous Bob" as Bob << Generated >>
participant Alice << (C,#ADD1B2) Testable >>

Bob->Alice: First message

@enduml

By default, the guillemet character is used to display the stereotype. You can change this behavious using the skinparam guillemet:

@startuml

skinparam guillemet false
participant "Famous Bob" as Bob << Generated >>
participant Alice << (C,#ADD1B2) Testable >>

Bob->Alice: First message

@enduml

@startuml

participant Bob << (C,#ADD1B2) >>
participant Alice << (C,#ADD1B2) >>

Bob->Alice: First message

@enduml

Plus d'information sur les titres

Vous pouvez utiliser le formatage creole dans le titre.

@startuml

title __Simple__ **communication** example

Alice -> Bob: Authentication Request
Bob -> Alice: Authentication Response

@enduml

Vous pouvez mettre des retours à la ligne en utilisant \n dans la description.

@startuml

title __Simple__ communication example\non several lines

Alice -> Bob: Authentication Request
Bob -> Alice: Authentication Response

@enduml

Vous pouvez aussi mettre un titre sur plusieurs lignes à l'aide des mots-clé title et end title.

@startuml

title
 <u>Simple</u> communication example
 on <i>several</i> lines and using <font color=red>html</font>
 This is hosted by <img:sourceforge.jpg>
end title

Alice -> Bob: Authentication Request
Bob -> Alice: Authentication Response

@enduml

More information on titles

You can use creole formatting in the title.

@startuml

title __Simple__ **communication** example

Alice -> Bob: Authentication Request
Bob -> Alice: Authentication Response

@enduml

You can add newline using \n in the title description.

@startuml

title __Simple__ communication example\non several lines

Alice -> Bob: Authentication Request
Bob -> Alice: Authentication Response

@enduml

You can also define title on several lines using title and end title keywords.

@startuml

title
 <u>Simple</u> communication example
 on <i>several</i> lines and using <font color=red>html</font>
 This is hosted by <img:sourceforge.jpg>
end title

Alice -> Bob: Authentication Request
Bob -> Alice: Authentication Response

@enduml

Cadre pour les participants

Il est possible de dessiner un cadre autour de certains participants, en utilisant les commandes box et end box.

Vous pouvez ajouter un titre ou bien une couleur de fond après le mot-clé box.

@startuml

box "Internal Service" #LightBlue
participant Bob
participant Alice
end box
participant Other

Bob -> Alice : hello
Alice -> Other : hello

@enduml

Participants encompass

It is possible to draw a box around some participants, using box and end box commands.

You can add an optional title or a optional background color, after the box keyword.

@startuml

box "Internal Service" #LightBlue
participant Bob
participant Alice
end box
participant Other

Bob -> Alice : hello
Alice -> Other : hello

@enduml

Supprimer les en-pieds

Vous pouvez utiliser le mot-clé hide footbox pour supprimer la partie basse du diagramme.

@startuml

hide footbox
title Footer removed

Alice -> Bob: Authentication Request
Bob --> Alice: Authentication Response

@enduml

Removing Foot Boxes

You can use the hide footbox keywords to remove the foot boxes of the diagram.

@startuml

hide footbox
title Foot Box removed

Alice -> Bob: Authentication Request
Bob --> Alice: Authentication Response

@enduml

Personnalisation

Utilisez la commande skinparam pour changer la couleur et la mise en forme du texte du schéma.

Vous pouvez utiliser cette commande :

Vous pouvez aussi modifier d'autres paramètres pour le rendu, comme le montrent les exemples suivants:

@startuml
skinparam sequenceArrowThickness 2
skinparam roundcorner 20
skinparam maxmessagesize 60
skinparam sequenceParticipant underline

actor User
participant "First Class" as A
participant "Second Class" as B
participant "Last Class" as C

User -> A: DoWork
activate A

A -> B: Create Request
activate B

B -> C: DoWork
activate C
C --> B: WorkDone
destroy C

B --> A: Request Created
deactivate B

A --> User: Done
deactivate A

@enduml

@startuml
skinparam backgroundColor #EEEBDC
skinparam handwritten true

skinparam sequence {
ArrowColor DeepSkyBlue
ActorBorderColor DeepSkyBlue
LifeLineBorderColor blue
LifeLineBackgroundColor #A9DCDF

ParticipantBorderColor DeepSkyBlue
ParticipantBackgroundColor DodgerBlue
ParticipantFontName Impact
ParticipantFontSize 17
ParticipantFontColor #A9DCDF

ActorBackgroundColor aqua
ActorFontColor DeepSkyBlue
ActorFontSize 17
ActorFontName Aapex
}

actor User
participant "First Class" as A
participant "Second Class" as B
participant "Last Class" as C

User -> A: DoWork
activate A

A -> B: Create Request
activate B

B -> C: DoWork
activate C
C --> B: WorkDone
destroy C

B --> A: Request Created
deactivate B

A --> User: Done
deactivate A

@enduml

Skinparam

You can use the skinparam command to change colors and fonts for the drawing.

You can use this command:

You can also change other rendering parameter, as seen in the following examples:

@startuml
skinparam sequenceArrowThickness 2
skinparam roundcorner 20
skinparam maxmessagesize 60
skinparam sequenceParticipant underline

actor User
participant "First Class" as A
participant "Second Class" as B
participant "Last Class" as C

User -> A: DoWork
activate A

A -> B: Create Request
activate B

B -> C: DoWork
activate C
C --> B: WorkDone
destroy C

B --> A: Request Created
deactivate B

A --> User: Done
deactivate A

@enduml

@startuml
skinparam backgroundColor #EEEBDC
skinparam handwritten true

skinparam sequence {
ArrowColor DeepSkyBlue
ActorBorderColor DeepSkyBlue
LifeLineBorderColor blue
LifeLineBackgroundColor #A9DCDF

ParticipantBorderColor DeepSkyBlue
ParticipantBackgroundColor DodgerBlue
ParticipantFontName Impact
ParticipantFontSize 17
ParticipantFontColor #A9DCDF

ActorBackgroundColor aqua
ActorFontColor DeepSkyBlue
ActorFontSize 17
ActorFontName Aapex
}

actor User
participant "First Class" as A
participant "Second Class" as B
participant "Last Class" as C

User -> A: DoWork
activate A

A -> B: Create Request
activate B

B -> C: DoWork
activate C
C --> B: WorkDone
destroy C

B --> A: Request Created
deactivate B

A --> User: Done
deactivate A

@enduml

Changer le padding

Il est possible de changer certains paramètres du padding.

@startuml
skinparam ParticipantPadding 20
skinparam BoxPadding 10

box "Foo1"
participant Alice1
participant Alice2
end box
box "Foo2"
participant Bob1
participant Bob2
end box
Alice1 -> Bob1 : hello
Alice1 -> Out : out
@enduml

Changing padding

It is possible to tune some padding settings.

@startuml
skinparam ParticipantPadding 20
skinparam BoxPadding 10

box "Foo1"
participant Alice1
participant Alice2
end box
box "Foo2"
participant Bob1
participant Bob2
end box
Alice1 -> Bob1 : hello
Alice1 -> Out : out
@enduml


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