Transactions redefined
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Too often we model processes around the myth of Database Transactions, ofter forgetting what a transaction really means in the real world. This talk shows an easy and cheap approach to use together with EventStorming in order to include User Experience into process modelling
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Transactions redefined
- 2. Transactions Redefined A dive into the wormhole with
- 3. Transactions Redefined @ziobrando A dive into the wormhole with
- 4. Sending a payment to myself
- 5. Let’s see the Events!
- 7. Domain Event: Orange, verb at past tense
- 8. Domain Event: Orange, verb at past tense Hot Spot: Purple, feel free to express yourself!
- 9. I started with Orange but it’s not enough to tell the whole story Purple tells more!
- 11. PROTIP: if the software seems unfinished, trust might be impacted. Just sayin’
- 12. Looks like I just Can’t keep my mouth shut!
- 14. PROTIP: users don’t like navigating three screens in order to see payees in alphabetical order
- 16. Protip: some users do copy and paste from invoices where IBAN is written with spaces
- 17. Protip: some users do copy and paste from invoices where IBAN is written with spaces PROTIP: humans don’t enjoy removing spaces from IBAN strings
- 19. Protip: reminding your users of their age every time they use your service isn’t great UX
- 20. Protip: reminding your users of their age every time they use your service isn’t great UX PROTIP: “we were short on budget” doesn’t work well with banks.
- 22. PROTIP: I still can’t understand why should I wait that much, but I’d appreciate a deadline anyway
- 24. The wormhole
- 27. Breaking News! After 3 and a half years since it was promised I might finally have some notification.
- 32. PROTIP: please read one article about context switching.
- 34. Great job! 13 Events 14 WTF! “We are going to be disrupted by fintech…” (anonymous banker)
- 35. How do I feel?
- 37. “I am going to find where you live”
- 39. “I am going to change your main door lock”
- 43. When you’re carrying bags How can you talk about “mobile banking” if you can arbitrarily force me to update my credentials?
- 45. And it’s raining
- 48. About me Having a hard time with BAD software running www.avanscoperta.it Modelling (almost) everything with sticky notes, markers and a paper roll. Calling this stuff
- 49. The wormhole
- 50. Transactions
- 51. We have a few problems
- 55. The whole is not “transactional”
- 57. Eventual Consistency? Yes, but I am more worried about another thing…
- 58. The user is part of the transaction
- 59. We have a blind spot on this
- 60. Let’s STORM!
- 62. Unrolling it… Business processes expose a repeatable structure
- 63. Example How do we manage that? Refund Request Received
- 64. Typical dev implementation Refund Request Received Refund Policy Issue Refund Paypal Refund Issued Notification Sent to Payee
- 65. Can you see the problem?
- 66. Simple heuristic What do I have? What do I know? How do I feel?
- 68. Simple heuristic What do I have? Refund Request Received Custo mer
- 69. Simple heuristic What do I have? A ticket Refund Request Received Custo mer
- 70. Simple heuristic What do I have? A ticket What do I know? Refund Request Received Custo mer
- 71. Simple heuristic What do I have? A ticket What do I know? I won’t be able to use it Refund Request Received Custo mer
- 72. Simple heuristic What do I have? A ticket What do I know? I won’t be able to use it How do I feel? Refund Request Received Custo mer
- 73. Simple heuristic What do I have? A ticket What do I know? I won’t be able to use it How do I feel? Worried (will I get my money back?) Refund Request Received Custo mer
- 74. Simple heuristic What do I have? A ticket What do I know? I won’t be able to use it How do I feel? Worried (will I get my money back?) Sorry (Will it be a problem?) Refund Request Received Custo mer
- 76. Simple heuristic What do I have? Custo mer Notification Sent to Payee Refund Notification Received
- 77. Simple heuristic What do I have? A ticket? Custo mer Notification Sent to Payee Refund Notification Received
- 78. Simple heuristic What do I have? A ticket? My Money back Custo mer Notification Sent to Payee Refund Notification Received
- 79. Simple heuristic What do I have? A ticket? My Money back What do I know? Custo mer Notification Sent to Payee Refund Notification Received
- 80. Simple heuristic What do I have? A ticket? My Money back What do I know? I have my money back Custo mer Notification Sent to Payee Refund Notification Received
- 81. Simple heuristic What do I have? A ticket? My Money back What do I know? I have my money back How do I feel? Custo mer Notification Sent to Payee Refund Notification Received
- 82. Simple heuristic What do I have? A ticket? My Money back What do I know? I have my money back How do I feel? Safe (I have my money) Custo mer Notification Sent to Payee Refund Notification Received
- 83. Simple heuristic What do I have? A ticket? My Money back What do I know? I have my money back How do I feel? Safe (I have my money) Worried (Did I insult anyone?) Custo mer Notification Sent to Payee Refund Notification Received
- 84. Too “efficient”
- 85. Too impersonal
- 87. “I am not a UX expert”
- 88. “Everybody is the business analyst”
- 89. “Everybody is the UX expert”
- 90. A platform for self-organization This is what happens when Dan North talks about your stuff :O)
- 91. Don’t let roles get in the way
- 95. Friendly Refund Policy Refund Request Received Call Customer Phone Refund Chosen Coupon Chosen Human Refund Policy Organi zer Other Idea Chosen TIP: don’t model the conversation, model the outcome.
- 96. Let’s Check! Custo mer Call Ended - - - - - Refund Chosen
- 97. Let’s Check! What do I have? Custo mer Call Ended - - - - - Refund Chosen
- 98. Let’s Check! What do I have? An Agreement Custo mer Call Ended - - - - - Refund Chosen
- 99. Let’s Check! What do I have? An Agreement What do I know? Custo mer Call Ended - - - - - Refund Chosen
- 100. Let’s Check! What do I have? An Agreement What do I know? I’ll have my money back Custo mer Call Ended - - - - - Refund Chosen
- 101. Let’s Check! What do I have? An Agreement What do I know? I’ll have my money back How do I feel? Custo mer Call Ended - - - - - Refund Chosen
- 102. Let’s Check! What do I have? An Agreement What do I know? I’ll have my money back How do I feel? Safe (I’m told I’ll have my money) Custo mer Call Ended - - - - - Refund Chosen
- 103. Let’s Check! What do I have? An Agreement What do I know? I’ll have my money back How do I feel? Safe (I’m told I’ll have my money) Relieved (they said no problem) Custo mer Call Ended - - - - - Refund Chosen
- 104. For us, instead Call Ended - - - - - Refund Chosen Organi zer TIP: you can have many perspectives involved.
- 105. For us, instead What do I have? Call Ended - - - - - Refund Chosen Organi zer TIP: you can have many perspectives involved.
- 106. For us, instead What do I have? An Agreement Call Ended - - - - - Refund Chosen Organi zer TIP: you can have many perspectives involved.
- 107. For us, instead What do I have? An Agreement a duty Call Ended - - - - - Refund Chosen Organi zer TIP: you can have many perspectives involved.
- 108. For us, instead What do I have? An Agreement a duty What do I know? Call Ended - - - - - Refund Chosen Organi zer TIP: you can have many perspectives involved.
- 109. For us, instead What do I have? An Agreement a duty What do I know? The decision & the sales situation Call Ended - - - - - Refund Chosen Organi zer TIP: you can have many perspectives involved.
- 110. For us, instead What do I have? An Agreement a duty What do I know? The decision & the sales situation How do I feel? Call Ended - - - - - Refund Chosen Organi zer TIP: you can have many perspectives involved.
- 111. For us, instead What do I have? An Agreement a duty What do I know? The decision & the sales situation How do I feel? depends on sales ;-) Call Ended - - - - - Refund Chosen Organi zer TIP: you can have many perspectives involved.
- 112. Can we help? Refund Request Received Call Customer Phone Refund Chosen Coupon Chosen Human Refund Policy Organi zer Other Idea Chosen - Price paid - Sales stats - Training Lower Bound - Days Left
- 113. Can we help? Refund Request Received Call Customer Phone Refund Chosen Coupon Chosen Human Refund Policy Organi zer Other Idea Chosen - Price paid - Sales stats - Training Lower Bound - Days Left TIP: The read model is a decision support tool. Not an exposure of your database
- 115. So, for the user… Custo mer Notification Sent to Payee
- 116. So, for the user… What do I have?Custo mer Notification Sent to Payee
- 117. So, for the user… What do I have? My Money back Custo mer Notification Sent to Payee
- 118. So, for the user… What do I have? My Money back What do I know? Custo mer Notification Sent to Payee
- 119. So, for the user… What do I have? My Money back What do I know? I have my money back & No Problem Custo mer Notification Sent to Payee
- 120. So, for the user… What do I have? My Money back What do I know? I have my money back & No Problem How do I feel? Custo mer Notification Sent to Payee
- 121. So, for the user… What do I have? My Money back What do I know? I have my money back & No Problem How do I feel? Safe (I have my money) Custo mer Notification Sent to Payee
- 122. So, for the user… What do I have? My Money back What do I know? I have my money back & No Problem How do I feel? Safe (I have my money) Grateful / Relieved Custo mer Notification Sent to Payee
- 123. A lot better
- 124. And also …the seat! Refund Chosen Registration Policy Cancel Ticket Ticketing System Ticket cancelled Notification Sent
- 125. We still have a problem
- 126. No automation (yet) Refund Chosen Issue Refund Paypal Refund Issued Notification Sent to Payee Refund Policy Organi zer Humans are not acting instantaneously…
- 127. Implicit deadlines Refund Request Received Call Customer Phone Coupon Chosen Human Refund Policy Organi zer Other Idea Chosen - Price paid - Sales stats - Training Lower Bound - Days Left (Implicit) Deadline Refund Chosen
- 128. Implicit deadlines Refund Request Received Call Customer Phone Coupon Chosen Human Refund Policy Organi zer Other Idea Chosen - Price paid - Sales stats - Training Lower Bound - Days Left (Implicit) Deadline Refund Chosen TIP: Implicit deadlines can be modelled as Events too
- 130. (Implicit) Deadline Refund IssuedWhat do I have?
- 131. (Implicit) Deadline Refund IssuedWhat do I have? A promise
- 132. (Implicit) Deadline Refund IssuedWhat do I have? A promise What do I know?
- 133. (Implicit) Deadline Refund IssuedWhat do I have? A promise What do I know? I haven’t been refunded
- 134. (Implicit) Deadline Refund IssuedWhat do I have? A promise What do I know? I haven’t been refunded How do I feel?
- 135. (Implicit) Deadline Refund IssuedWhat do I have? A promise What do I know? I haven’t been refunded How do I feel? Kinda worried, Should I remind them?
- 136. Not good
- 137. With normal banking… Enter Payment Refund Policy Organi zer (Implicit) Deadline Refund Chosen Banking System Payment Entered
- 138. With normal banking… Enter Payment Refund Policy Organi zer (Implicit) Deadline Refund Chosen Banking System Payment Entered WORMHOLE
- 140. Refund Chosen (Implicit) Deadline past What do I have?
- 141. Refund Chosen (Implicit) Deadline past What do I have? A promise
- 142. Refund Chosen (Implicit) Deadline past What do I have? A promise What do I know?
- 143. Refund Chosen (Implicit) Deadline past What do I have? A promise What do I know? I haven’t been refunded
- 144. Refund Chosen (Implicit) Deadline past What do I have? A promise What do I know? I haven’t been refunded How do I feel?
- 145. Refund Chosen (Implicit) Deadline past What do I have? A promise What do I know? I haven’t been refunded How do I feel? Kinda worried, Should I remind them?
- 147. But then… Refund Chosen (Implicit) Deadline past What do I have? Logged Into Banking System
- 148. But then… Refund Chosen (Implicit) Deadline past What do I have? An unfulfilled promise Logged Into Banking System
- 149. But then… Refund Chosen (Implicit) Deadline past What do I have? An unfulfilled promise What do I know? Logged Into Banking System
- 150. But then… Refund Chosen (Implicit) Deadline past What do I have? An unfulfilled promise What do I know? I haven’t been refunded Logged Into Banking System
- 151. But then… Refund Chosen (Implicit) Deadline past What do I have? An unfulfilled promise What do I know? I haven’t been refunded How do I feel? Logged Into Banking System
- 152. But then… Refund Chosen (Implicit) Deadline past What do I have? An unfulfilled promise What do I know? I haven’t been refunded How do I feel? Logged Into Banking System
- 154. OOOPS! We aren’t in control of the whole Flow…
- 155. But now we have an easy way to play with that!
- 156. GROUNDBREAKING!!!
- 157. It’s not about inventing new things
- 160. Roles,
- 161. Roles, Processes,
- 165. Conclusions
- 166. in the large scale…
- 168. But a tension to reconciliation
- 170. And some cannot be rolled back
- 171. Make the Global state visible
- 172. Users are part of the state
- 173. Intermediate Steps matter Mood, implicit deadlines, expectations
- 175. Mood and feelings are part of the Global state
- 176. Enables cross- perspective conversation Software design, User Experience, Business Modelling, Lean etc.
- 178. is my pizza: You can add your toppings
- 179. is my pizza: You can add your toppings With the notable exception of database tables and pineapple
- 180. Menu BIG PICTURE PROCESS DESIGN AGGREGATE DISCOVERY Service Design Value-Stream Mapping Retrospectives Organization Design … add yours!
- 181. Can lead you to unexpected places apparently, you cannot choose what your problem is
- 182. Helps you solve the problem as a team
- 183. Helps you solve the problem as a real team It’s about contributions and insights, not roles
- 184. We are problem solvers, Not problem pickers
- 185. Thank you!
- 186. References • www.eventstorming.com • EventStormers on Google+ • https://plus.google.com/u/0/communities/ 113258571348605620818 • LeanPub book in progress: • http://leanpub.com/introducing_eventstorming • Blog: • https://medium.com/@ziobrando • http://ziobrando.blogspot.com • Twitter: @ziobrando • Trainings & Workshop facilitation: • http://www.avanscoperta.it