Samenvatting

Samenvatting Service-oriented Architecturen

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Vak
Service-oriented architecturen

Instelling
Universiteit Antwerpen (UA)

Dit document bevat een volledige samenvatting van de lessen en zelf te bekijken opnames van het vak Service-oriented Architecturen in afwisselend Nederlands en Engels. Op het einde van het document heb ik een aantal tips voor het groepswerk en de presentatie van ons groepswerk toegevoegd.

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Aantal pagina's 156
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Type Samenvatting

service
oriented
architecture
service oriented
architecturen
soa
service oriented architecture
service oriented architecture

Instelling
Universiteit Antwerpen (UA)
Studie
Handelsingenieur In De Beleidsinformatica
Vak
Service-oriented architecturen

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Samenvatting Service-Oriented Architecturen

Table of Content
1. Live Class – Introduction ............................................................................................................................ 5
1.1. Praktische informatie ......................................................................................................................... 5
2. E-learning – Process discovery ................................................................................................................... 7
2.1. Introduction: The challenge - what processes are ............................................................................. 7
2.2. The definition ..................................................................................................................................... 8
2.2.1. PART 1: Collection of activities ................................................................................................... 9
2.2.2. PART 2: Action-verb noun .......................................................................................................... 9
2.2.3. PART 3: Action-verb noun to result ............................................................................................ 9
2.2.4. PART 4: Independent trigger ....................................................................................................10
2.2.5. PART 5: Repeatedly ..................................................................................................................13
2.3. Process discovery method................................................................................................................14
2.3.1. The method - part 1..................................................................................................................14
2.4. Patterns ............................................................................................................................................15
2.5. Advanced Patterns (niet belangrijk) .................................................................................................15
2.6. Process profile ..................................................................................................................................17
2.7. Process architecture (step 9)............................................................................................................18
2.7.1. The process layers: example ....................................................................................................19
2.7.2. Process variants (ignored in the process profile) .....................................................................19
2.8. Conclusion ........................................................................................................................................20
2.9. Exercises ...........................................................................................................................................22
2.9.1. Exercise 1: Expense reimbursement (IBM) ..............................................................................22
2.9.2. Exercise 2: Expense reimbursement (other version) ...............................................................22
2.9.3. Exercise 3: Raw material sourcing ............................................................................................23
2.9.4. Exercise 4: Health-care intake ..................................................................................................23
2.9.5. Exercise 5: Auction process ......................................................................................................24
2.9.6. Exercise 6: Recruiting ...............................................................................................................25
2.9.7. Manage claims..........................................................................................................................25
3. Live Class – Business Process Management .............................................................................................26
3.1. Strategie ...........................................................................................................................................28
3.2. Performance management ..............................................................................................................29
3.2.1. TIME: WE NEED A MEASURE TO EVALUATE THE TIME OF THE PROCESS ................................29
3.2.2. Business impact ........................................................................................................................30
3.2.3. Quality management ................................................................................................................30
3.2.4. For project prioritization .........................................................................................................30
3.2.5. BUSINESS PROCESS MATURITY.................................................................................................30
3.3. Structure & Culture: Who Owns them? ...........................................................................................31
4. E-learning – BPMN : Business Process Model & Notation .......................................................................35
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,4.1. Process modeling .............................................................................................................................35
4.2. BPMN = 3 virtual languages .............................................................................................................36
4.2.1. CORE: Layer 1 - Flow objects ....................................................................................................37
4.2.2. Layer 2 - Connectors .................................................................................................................37
4.2.3. Layer 3 – Swimlanes: Pools & lanes..........................................................................................37
4.2.4. Layer 4 – Data ...........................................................................................................................37
4.2.5. Layer 5 – Artifacts ....................................................................................................................38
4.3. BPMN – BASIC RULES .......................................................................................................................38
4.3.1. Process identification ...............................................................................................................38
4.3.2. Dissection the BPMN standard.................................................................................................39
4.3.3. Execution Semantics.................................................................................................................39
4.3.4. Token semantics: start events & tasks & sequence flows .......................................................40
4.4. Activities: task vs subprocess ...........................................................................................................41
4.4.1. WHAT DOES ATOMIC MEAN?...................................................................................................42
4.4.2. Task types .................................................................................................................................43
4.4.3. Subprocesses ............................................................................................................................46
4.5. Gateways ..........................................................................................................................................50
4.5.1. Control flow patterns ...............................................................................................................50
4.5.2. Rules of gateways .....................................................................................................................51
4.5.3. Split data-based exclusive gateway ..........................................................................................52
4.5.4. Merge data-based exclusive gateway ......................................................................................53
4.5.5. Parallel split ..............................................................................................................................54
4.5.6. Parallel merge...........................................................................................................................54
4.5.7. A lethal combination ................................................................................................................56
4.5.8. Merge event based gateway ....................................................................................................56
4.5.9. Inclusive gateway (both split and merge variant) ....................................................................60
4.5.10. BPMN gateways overview ........................................................................................................62
4.5.11. Exercises ...................................................................................................................................62
4.6. Repeating tasks ................................................................................................................................63
4.6.1. Pre-tested loop .........................................................................................................................64
4.6.2. Post tested loop (1…M) ............................................................................................................64
4.6.3. Example auction .......................................................................................................................66
4.6.4. Conclusion ................................................................................................................................66
4.6.5. Exercises ...................................................................................................................................66
4.7. Start a process ..................................................................................................................................67
4.7.1. A definition of start events (BPMN specification) ....................................................................67
4.7.2. Some basic rules of start events...............................................................................................67
4.7.3. Starting a top-level processes ..................................................................................................67
4.7.4. Starting a sub-process ..............................................................................................................69
4.7.5. Exercises ...................................................................................................................................70
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, 4.8. End a process....................................................................................................................................70
4.8.1. Definition end event .................................................................................................................70
4.8.2. Multiple end event ...................................................................................................................71
4.8.3. End a subprocess ......................................................................................................................71
4.8.4. Terminate deadlocks ...............................................................................................................71
4.8.5. Multi instance termination.......................................................................................................72
4.8.6. Conclusion ................................................................................................................................72
4.8.7. Exercises ...................................................................................................................................72
4.9. Intermediate events .........................................................................................................................73
4.9.1. The past is the past...................................................................................................................76
4.9.2. When all goes wrong ................................................................................................................76
4.10. Pools and lanes .............................................................................................................................79
4.11. Conclusion ....................................................................................................................................80
5. Live Class – Process Modeling (BPMN).....................................................................................................81
6. E-learning : BPMN PRO .............................................................................................................................82
6.1. Complex gateway .............................................................................................................................82
6.2. Start Patterns....................................................................................................................................84
6.2.1. The signal start event ...............................................................................................................84
6.2.2. Multiple start event ..................................................................................................................84
6.2.3. Parallel multiple start event .....................................................................................................85
6.2.4. Questions..................................................................................................................................85
6.3. Extra event-types .............................................................................................................................86
6.3.1. Throwing event types: link, signal and multiple.......................................................................86
6.3.2. Catching event types ................................................................................................................87
6.3.3. Signal event ..............................................................................................................................87
6.3.4. Link event .................................................................................................................................88
6.3.5. Attached to boundary events ...................................................................................................88
6.4. Event sub-processes .........................................................................................................................88
6.4.1. Operational semantics..............................................................................................................89
6.4.2. Differences between event subprocesses and boundary events ............................................90
6.4.3. Example Expense reimbursement ............................................................................................92
6.4.4. Exercises ...................................................................................................................................93
6.5. Ad-hoc sub-processes.......................................................................................................................94
6.6. Transaction sub-processes ...............................................................................................................94
6.6.1. Exercises ...................................................................................................................................96
6.7. Reusability ........................................................................................................................................96
6.7.1. Exercises ...................................................................................................................................97
6.8. Remaining connectors ......................................................................................................................97
6.8.1. Default flow ..............................................................................................................................97
6.1.1. The conditional flow .................................................................................................................97
3

, 6.8.2. Exercises ...................................................................................................................................98
6.9. Data ..................................................................................................................................................98
6.9.1. Data collection ..........................................................................................................................99
6.9.2. Lifecycle data object .................................................................................................................99
6.10. Process execution Semantics .....................................................................................................100
6.10.1. Executable Processes .............................................................................................................100
6.10.2. BPMN2.0 XML.........................................................................................................................101
6.10.3. Execution Semantics...............................................................................................................101
6.10.4. Conclusion ..............................................................................................................................102
6.10.5. Exercises .................................................................................................................................102
7. Live Class – BPMN PRO ...........................................................................................................................102
8. Live Class – Understanding robotic process automation (RPA) .............................................................103
8.1. What is RPA? ..................................................................................................................................103
8.2. Long tail of automation ..................................................................................................................104
8.3. Conclusie ........................................................................................................................................104
8.4. RPA Compared to other solutions ..................................................................................................105
8.5. Scenario insurance policies ............................................................................................................105
8.6. RPA componenten ..........................................................................................................................105
8.6.1. Developer tools ......................................................................................................................106
8.6.2. Robot How does the robot works? ........................................................................................106
8.6.3. Robot Controller .....................................................................................................................106
8.7. Cost & licenses................................................................................................................................107
9. Live Class – Process Engines ...................................................................................................................107
9.1. Service design principles ................................................................................................................112
9.1.1. What is loose coupling?..........................................................................................................112
9.1.2. Reuse ......................................................................................................................................113
9.1.3. Encapsulation .........................................................................................................................113
9.1.4. High cohesion .........................................................................................................................113
9.1.5. Statelessness ..........................................................................................................................113
9.1.6. Operational parameter granularity ........................................................................................113
9.1.7. Semantic Operations ..............................................................................................................114
9.1.8. Efficient resource utilization...................................................................................................114
9.2. BPMN 2.0 XML ................................................................................................................................115
9.2.1. BPMN XML ..............................................................................................................................116
9.2.2. Execution semantics ...............................................................................................................116
9.2.3. Engine tasks ............................................................................................................................117
10. Groepswerk ........................................................................................................................................118

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