EBK SOFTWARE ENGINEERING
10th Edition
ISBN: 8220101455970
Author: SOMMERVILLE
Publisher: PEARSON
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Chapter 18, Problem 18.10E
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Difficulty in Compensation actions:
A compensation action is an action that is included in a workflow to ‘undo’ a transaction that has been completed earlier in the workflow.
Compensation actions are required in workflows for the following reasons:
- The success of the entire workflow may rely on all included workflows successfully completing. If some of these included workflows are successful but some aren’t, then the compensating actions have to be executed to ensure that the overall system is left in a consistent state.
- Compensation actions are required when dependent services, offered by different suppliers, are composed to create an integrated service...
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