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Use the Assignment Service task
in a flow to pass control to an external system using a
connector (for example, Connect BPEL rule). Assignment Service
tasks support asynchronous coordination with external systems,
in contrast to the Integrator tasks, which support synchronous
connections.
Both Integrator tasks and Assignment Service tasks reference an activity of type Connect. For an Integrator task, flow execution continues as soon as the activity completes. For an Assignment Service task, flow execution pauses until Process Commander receives a service request of the appropriate type.
1. Drag the Assignment Service shape () onto the
flow and drop it.
2. When the Assignment Service Properties panel appears, complete these fields:
Field |
Description |
Name |
Enter a text name for this Assignment Service shape. Choose a name meaningful to application users who see this on the work object history display, the breadcrumbs control (for entry points), and the Where-Am-I? diagram. The task name is only descriptive; it does not affect runtime execution of the flow. This name also appears inside the Assignment Service shape on the Diagram tab. |
Rule |
|
Parameters |
If the activity accepts input parameters, a list of parameters appears. Enter parameter values. Process Commander validates these parameter values when you exit from Visio editing. |
Service Level |
This may indicate that the external system is unavailable or that other technical problems are present. See Handling connector exceptions. |
Audit Note |
|
Entry Point? |
Select to indicate that this Assignment Service task is an entry point, which a user can return to using the breadcrumbs control or the standard flow action Work-.Previous. The default is cleared. This check box works with Perform harness rules that include a breadcrumbs display and with assignments that offer the Work-.Previous flow action. In other cases, the check box has no effect. |
3. Click Apply when finished.
4. Connect at least one incoming connector and at least one outgoing connector to the shape.
(To edit these shape properties after you save the Flow form, open the Diagram tab, right-click the shape, and select the Edit tab on the pop-up window.)