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Comment: Published by Scroll Versions from space WDESIGNER and version 24.0

Adding

Objects

Variables to the Execution

Canvas

Pane

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Select BPMN Element

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To add an execution objectexecutional parts to a BPMN element, you must first select the BPMN element on the BPMN canvas diagram pane to which you want to add the objectexecution.

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The

related execution part will be displayed in the execution canvas. As no execution has been implemented yet, the panel shows an empty UML diagram.

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If the selected BPMN element is a Message Start Event, the execution canvas also shows section Message with an incoming message object of type Any.

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If you have selected the outgoing relation of an Exclusive Gateway, section Return is displayed, containing the unchangeable object return of type Boolean.

Select Type

execution pane displays the related execution model. If there is no execution model in place, you need to create a new execution model (see Working with the Execution Editor > Adding an Execution Model for details).

Select Type

Next, you need to select the type of the new variable.

Page Library Panel contains further details about the panel contents. On page Libraries Administration is explained

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Go to the Service panel. Types are available from

  • the standard Bridge Base Types library (see below)

  • class, interface and parameter definitions from the Implementation folder

    Tip

    Go to page Modeling Data Structures for more information on how to define your own classes, operations and interfaces with the Designer.

  • imported libraries

    Tip

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Now go to the Library panel and expand the library you want to use.

Tip
  • how to upload a library to the Designer.
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Drag Type to Execution

Canvas

Pane

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To add a variable

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Adding objects

to the execution

canvas is simple:
  • Select the necessary data type from your library.
  • Drag it from the library panel and drop it on the execution canvas.

There are different targets to drop an object to:

, simply drag the selected type to the execution pane and drop it to a target area.

You can cancel this procedure

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You can cancel the operation

by pressing Esc or dropping the element outside the execution

canvas

pane.

 

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You can add a new object by dropping it in section Persisted or Local.

Info

You can drag the following library contents to the canvas:

  • Class
  • Interface
  • Parameter

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Adding a New Object

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You can drop the type to different targets:

  • to the Local section to create a local variable.

  • to the Persisted section, to create a persisted variable.


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    Tip

    See page Persisting Data for further

informations.

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  • information.

By dropping a type on an existing variable, you can change the type of the variable (see Changing the Type further below).

Changing a Variable

Changing the Multiplicity

As per default, variables are created with multiplicity 0..1 but you can change this in the attributes of the variable.

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Open the attributes panel for the variable in question. To change the multiplicity to 0..*, activate checkbox Array.

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The element type on the pane now is extended by a pair of square brackets to indicate the new multiplicity.

Changing the

Object

Type

You can change the type of any variable and there are different ways to do so.

Use simple type Any from library Bridge Base

to change the

message type back to its default.

Using Drag & Drop

You can change the type of any object if you drag a variable by dragging a type from your library and drop dropping it on the object variable itself.

Example:
As per default, the an incoming message has type Any. To gain access to the data you want to use, you need to apply the correct type from your data model or library - which is WebShopOrderin our example is the form class IdeaCheck.

After you have having dropped the type on the object, it has changed its typevariable, the new type is displayed.

Example:
The selected type WebShopOrder type of the selected class IdeaCheck is applied to the incoming message.

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Using the Type Selection Dialog

You can use the Type Selection dialog

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Tip
titleExpert Tipp

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Object message cannot be of simple type. If you try to drop a simple type other than default type Any on the message element, a red frame indicates that this is prohibited.
Changing the Section

type of a variable.

Click on the variable you want to adapt and open the attributes panel. Use icon Image Added of option Type to open the dialog.

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Use the search box on top to find the type you are looking for. Click on the type you want to apply. Then click Save.

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The dialog closes and the selected type is applied to the variable.

Changing the Scope

It is also possible to change the section scope for an objecta variable. You can drag & drop objectsvariables:

  • From Local to Persisted
  • From Persisted to Local
  • From Message to Persisted or Local

Local to Persisted:

  • The local object variable is removed.
  • A , a new persisted object variable with the same name is created. If the name is already in use, a suffix is added.
  • Existing relations are reattached to the new objectvariable.

Persisted to Local:

  • A The persisted object is removed and a new local object variable with the same name is created. If the name is already in use, a suffix is added.
  • The persisted variable is removed if it is not still used in other places in the process.
  • Existing relations are reattached to the new objectvariable.

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Message to Persisted or Local:

  • A new object variable is created in the corresponding area. Its The name is of the same as if a new object of the same type as the message was created. A relation is drawn new variable is derived from the type.
  • An object flow is added from message to the new objectvariable.

Special Case: Adding Persisted

Objects

Variables

Tip

For detailed information see page Persisting Data.

If you add objects to section By creating variables as Persisted, they are usable in all executions of throughout the BPMN model.

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To use a persisted objectvariable, click the Image Added icon Image Removed to open the list of available persisted objects variables and select the object variable you want to use.

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