Sequence Diagram¶

The Sequence Diagram represents the interaction between classes and objects along the time axis.

Creating a Sequence Diagram¶

Sequence Diagram can be added by the following procedure:

Click [Sequence Diagram] from [Diagram] on the Main Menu.
Use the context menu from [Structure] in [Project View].
Use Edit InteractionUse.

Diagram Elements of Sequence Diagrams¶

Description of each icon¶

Type

Icon

Description

Select

The basic operations of the Diagram Editor can be executed in this mode.

LifeLine

Add a Lifeline.

Message

Add a Message.

Asynchronous Message

Add an Asynchronous Message.

Create Message

Add a Create Message.

Delete Message

Add a Delete Message.

Reply Message

Add a Reply Message.

Stop

Add a Stop.

Duration Constraint

Add a Duration Constraint.

Time Constraint

Add a Time Constraint. Select from the pull-down of the Duration Constraint icon.

CombinedFragment

Add a CombinedFragment. You can select either of alt, assert, break, consider, critical, ignore, loop, neg, opt, par, seq, or strict from the pull-down.

InteractionUse

Add an InteractionUse.

StateInvariant

Add a StateInvariant.

Refer to Common Diagram Elements for information on other items.

LifeLine¶

Creating a LifeLine¶

Lifeline can be created by the following procedure:

Double-click on the Sequence Diagram.

Select [Lifeline] in the Tool Bar and click on the diagram.

Drag and drop the Block or Actor from the [Structure] to the diagram.

Editing the LifeLine¶

Visibility of LifeLine Name/Type Name¶

Set whether to show or hide the LifeLine name/Type name.

Select [Name Visibility] from the context menu.

Select [Type Visibility] from the context menu.

When the name is hidden

Adjust Lifeline Length¶

Adjust the LifeLine Length by the following procedure:

Drag and drop the end of the LifeLine on the Sequence Diagram.

Select the default length from [Adjust Lifeline Length] in the context menu of the LifeLine.

Select either of [Default]/[Align to Minimum]/[Align to Maximum] from [Adjust Lifeline Length] in the context menu of the Sequence Diagram.

Adjust ExecutionSpecification Length¶

Adjust the ExecutionSpecification Length by the following procedure:

Drag and drop the end of the Execution Specification View on the Sequence Diagram.

Select the default length from [Adjust ExecutionSpecification Length] in the context menu of the Execution Specification View.

Select the default length from [Adjust ExecutionSpecification Length] in the context menu of the Sequence Diagram.

Synchronous Message¶

Creating a Synchronous Message¶

Synchronous Message can be created by the following procedure:

Using the Tool Bar¶

Select [Message] in the Tool Bar.

Click the LifeLine that sends the message.

Click the LifeLine that receives the message.

Using the Draw Suggest¶

Select [Synchronous Message] in the Draw Suggest.

Editing the Synchronous Message¶

Editign the Synchronous Message Name¶

Synchronous Message name can be edited by the following procedure:

Double-click the name of the Diagram Element on the Diagram Editor and edit the name.

Edit from the [Base] tab in the Property View.

Message Parameter/ Parameter Type/Parameter Direction Kind Visibility¶

Select each visibility from [Message Parameter Visibility], [Message Parameter Type Visibility], or [Message Parameter Direction Kind Visibility].

Adding a Stereotype¶

Stereotype can be added by the following procedure:

Select [Add Stereotype] from the context menu.

Add a stereotype from the [Stereotype] tab of the Property View.

Adding a Constraint¶

Constraint can be added by the following procedure:

Select [Add Constraint] from the context menu.

Add a Constraint from the [Constraint] tab of the Property View.

Constraint Visibility¶

Constraint visibility can be selected by the following procedure:

Select [Constraint Visibility] from the context menu.

Changing the Source/Target of the Synchronous Message¶

Drag and drop the Execution Specification View that sends or receives the Synchronous Message to another LifeLine to change the LifeLine that sends or receives the Synchronous Message. (There are some restrictions.)

Asynchronous Message¶

Creating an Asynchronous Message¶

Asynchronous Message can be created by the following procedure:

Using the Tool Bar¶

Select [Asynchronous Message] in the Tool Bar.

Click the LifeLine that sends the message.

Click the LifeLine that receives the message.

Using the Draw Suggest¶

Select [Asynchronous Message] in the Draw Suggest.

Editing the Asynchronous Message¶

Refer to Edit Synchronous Message Name for details.

Found Message¶

Creating a Found Message¶

Found Message can be created by the following procedure:

Select [Message] or [Asynchronous Message] in the Tool Bar.

Click other than the LifeLine and the LifeLine to receive the message in order.

Lost Message¶

Creating a Lost Message¶

Lost Message can be created by the following procedure:

Select [Message] or [Asynchronous Message] in the Tool Bar.

Click the Lifeline that sends the message and other than the LifeLine in order.

Gate¶

Creating a Gate¶

Gate can be created by the following procedure:

Select [Message] or [Asynchronous Message] in the Tool Bar.

Click the Frame and the LifeLine to receive the message in order.

Create Message¶

Creating a Create Message¶

Create Message can be created by the following procedure:

Select [Create Message] in the Tool Bar.

Click the Lifeline that sends the message and the LifeLine that receive the message in order.

Editing the Create Message¶

Refer to Edit Synchronous Message Name for details.

Delete Message¶

Creating a Delete Message¶

Delete Message can be created by the following procedure:

Select [Delete Message] in the Tool Bar.

Click the Lifeline that sends the message and the LifeLine that receive the message in order.

Editing the Delete Message¶

Refer to Edit Synchronous Message Name for details.

Reply Message¶

Creating a Reply Message¶

Reply Message can be created by the following procedure: Set the Execution Specification Visibility of the Base tab in the Property View to ON when the Execution Specification View is hidden.

Select [Reply Message] in the Tool Bar and click the Execution Specification View of the message that sends the Reply Message.

Note

Or, create a Reply Message while “Create Reply Message” of the message context menu or [Turn this on if you want to auto-create Reply Messages.] of the Tool Bar is set to on.

Editing the Reply Message¶

Refer to Edit Synchronous Message Name for details.

Stop¶

Creating a Stop¶

Stop can be created by the following procedure:

Select [Stop] in the Tool Bar and click the LifeLine to set the Stop.

Duration Constraint¶

Creating a Duration Constraint¶

Duration Constraint can be created by the following procedure:

Select [Duration Constraint] in the Tool Bar.

Click the message to set at the beginning of the Duration Constraint, then click the message to set at the end.

Specify the time duration.

Time Constraint¶

Creating a Time Constraint¶

Time Constraint can be created by the following procedure:

Select [Time Constraint] in the Tool Bar.

Click the message to create the Time Constraint.

Specify the time duration.

CombinedFragment¶

Creating a CombinedFragment¶

CombinedFragment can be created by the following procedure:

Select [CombinedFragment ] in the Tool Bar and drag it over the LifeLine that the CombinedFragment is to be set.

Editing the CombinedFragment¶

Editing the CombinedFragment Name¶

CombinedFragment name can be edited by the following procedure:

Place the cursor on “alt” on the upper left of the CombinedFragment and double-click to edit it.

Edit from the [Base] tab in the Property View.

Adding an Operand¶

Click [Add Operand] in the context menu and double-click [Guard] of the entered Operand to edit the Guard.

Add from the [Operand] tab of the Property View.

InteractionUse¶

Creating an InteractionUse¶

InteractionUse can be created by the following procedure:

Select [InteractionUse ] in the Tool Bar and drag it over the LifeLine that the InteractionUse is to be set.

Editing the InteractionUse¶

Editing the InteractionUse Name¶

InteractionUse name can be edited by the following procedure:

Double-click the name of the Diagram Element on the Diagram Editor and edit the name.

Edit from the [Base] tab in the Property View.

Select the visibility setting of the LifeLine name from [Name Visibility] in the context menu.

Creating a Sequence Diagram¶

Create a Sequence Diagram from the InteractionUse by the following procedure:

Right-click the InteractionUse with no associated Sequence Diagram set and select [Create Sequence Diagram] from the context menu.

Double-click the InteractionUse with no associated Sequence Diagram set.

Opening the Associated Sequence Diagram¶

Sequence Diagram can open by the following procedure:

Right-click the InteractionUse with the associated Sequence Diagram set and select [Open Diagram] from the context menu.

Double-click the InteractionUse with the associated Sequence Diagram set.

StateInvariant¶

Creating a StateInvariant¶

StateInvariant can be created by the following procedure:

Select [StateInvariant ] in the Tool Bar and click the LifeLine.

Editing the StateInvariant¶

Editing the StateInvariant Name¶

StateInvariant Name can be edited by the following procedure:

Double-click the name of the Diagram Element on the Diagram Editor and edit the name.

Edit from the [Base] tab in the Property View.

Type	Icon	Description
Select		The basic operations of the Diagram Editor can be executed in this mode.
LifeLine		Add a Lifeline.
Message		Add a Message.
Asynchronous Message		Add an Asynchronous Message.
Create Message		Add a Create Message.
Delete Message		Add a Delete Message.
Reply Message		Add a Reply Message.
Stop		Add a Stop.
Duration Constraint		Add a Duration Constraint.
Time Constraint		Add a Time Constraint. Select from the pull-down of the Duration Constraint icon.
CombinedFragment		Add a CombinedFragment. You can select either of alt, assert, break, consider, critical, ignore, loop, neg, opt, par, seq, or strict from the pull-down.
InteractionUse		Add an InteractionUse.
StateInvariant		Add a StateInvariant.
		Refer to Common Diagram Elements for information on other items.