Scenarios and high level sequence diagrams

The following scenarios are used for the analysis:
  • Single valid payment
  • Single invalid payment
  • Valid batch payment
  • Invalid batch payment

The following figure shows a high level summary of the single valid payment scenario.

Figure 1. Single valid payment scenario: high level sequence diagram
SampAppHLIDiagram.jpg

The following figure shows a high level summary of the single invalid payment scenario.

Figure 2. Single invalid payment scenario: high level sequence diagram
SampAppSingleInvalidPaytSeqDiag.jpg

The following figure shows a high level summary of the valid batch payment scenario.

Figure 3. Valid batch payment scenario: high level sequence diagram
SampAppValidBatPaytSeqDiag.jpg

The following figure shows a high level summary of the invalid batch payment scenario.

Figure 4. Invalid batch payment scenario: high level sequence diagram
SampAppInvalidBatPaytSeqDiag.jpg