Transactions redefined
•
11 likes•4,410 views
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
Recommended
More Related Content
What's hot
What's hot (20)
Viewers also liked
Viewers also liked (20)
Similar to Transactions redefined
Similar to Transactions redefined (20)
More from Alberto Brandolini
More from Alberto Brandolini (11)
Recently uploaded
Recently uploaded (20)
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