Adding Variables to the Execution Pane

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Select BPMN Element

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To add any execution executional parts to a BPMN element, you must first select the BPMN element on the diagram pane to which you want to add the execution.

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The execution pane displays the related execution model. If there is no execution model will be displayed in the execution pane. For some BPMN elementsin place, you need to create it manually a new execution model (see Working with the Execution Editor > Adding an Execution Model for details).

As no execution has been implemented yet, the panel shows an empty operations flow.

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As in our example the selected BPMN element is a Message Start Event, the execution pane also shows section Message with an incoming variable message 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 variable return of type Boolean.

Select Type

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

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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

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Now go to the Service panel and expand the library or the data model you want to use.

Tip
Page Working With Libraries contains

further details about

more details on the library concept and the Service panel.

On page

Page Administrating Libraries

is explained

explains how to upload a library to the Designer.

Go to page Modeling Data Mapping for further informations on the Data Model folder.

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Drag Type to Execution Pane

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To add a variable

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Adding variables

to the execution

pane is simple:

Select the necessary data type from your library.
Drag it from the library panel and drop it on the execution pane.

There are different targets to drop an element to:

Sections Persisted or Local: Drop a type on one of these sections to add a new variable.
Existing Element: Drop a type on an existing variable to change its type.

, 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 pane.

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Adding a New Variable

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

Info

You can drag the following library contents to the pane:

Interface
Class
Parameter

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This applies to variables from your own data model, from customized libraries as well as to the Bridge base types.

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Image Added	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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See page Persisting Data for further information.

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Adding Multiplicity

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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Once you have dragged a variable to the execution pane, you can add multiplicity.

Open the attributes panel for the variable in question.

Here you will find the attribute Array. To add multiplicity, activate the checkbox.

To change the multiplicity to 0..*, activate checkbox Array.

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The element type on the pane now

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If the checkbox is activated, the variable has the multiplicity 0..* and the element on the pane is extended by a pair of square brackets :Image Removedto indicate the new multiplicity.

Changing the Type

You can change the type of any variable if you drag by dragging a type from your library and drop dropping it on the 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 in our example is MyClassthe form class IdeaCheck.

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

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Variable message cannot be of simple type. If you try to drop a simple type other than default type Any on the

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

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Tip

title	Expert Tipp

Use simple type Any from library Bridge Base to change the message type back to its default.

message

element, a red frame indicates that this is prohibited

.

Changing the

Section

Scope

It is also possible to change the section scope for a variable. You can drag & drop variables:

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

Local to Persisted:

The local variable is removed.
A , a new persisted 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 variable.

Persisted to Local:

A The persisted variable is removed and a new local 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 variable.

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Message to Persisted or Local:

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

Special Case: Adding Persisted Variables

Tip
For detailed information see page Persisting Data.

If you add variables 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 variable, click the Image Added icon Image Removed to open the list of available persisted variables and select the variable you want to use.

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Adding Variables to the Execution Pane

Select BPMN Element

Select Type

Select Type