Common
Following diagram depicts typical flows between systems involved in Customer, Account & Subscription Management:
| Step | Actor | Action | Description |
|---|---|---|---|
1. |
CRM / Ordering |
Call API |
CRM / Ordering system calls API exposed by OCS.io. |
2. |
OCS.io |
Request Validations |
OCS.io validates Request whether all mandatory attributes are populated, all data types are valid, ENUMs match with definition, etc. Additionally, OCS.io validates Request against Business Logic. This typically includes, that referenced entity exists in the system, entity has proper state, etc. |
3. |
OCS.io |
Perform Business Logic |
OCS.io performs Business Logic implemented for the Use-Case. |
4. |
OCS.io |
Publish Business Transaction |
OCS.io publishes zero to many messages to Streaming Platform that impacted entities have been changed. |
5. |
OCS.io |
Return Response |
OCS.io returns Response to the CRM / Ordering System. |
6. |
DWH |
Subscribe for Business Transactions |
DWH subscribes for Business Transactions to be delivered by Streaming Platform. |
7. |
DWH |
Process Business Transactions |
DWH process Business Transactions internally. This typically includes storing of changed entities, update indexes, update metrics, etc. |
| Step | Actor | Action | Description |
|---|---|---|---|
8. |
CRM |
Call API |
CRM / Ordering system calls API exposed by OCS.io. |
9. |
OCS.io |
Request Validation |
OCS.io validates Request whether all mandatory attributes are populated, all data types are valid, ENUMs match with definition, etc. |
10. |
OCS.io |
Business Validation |
OCS.io validates Request against Business Logic. This typically includes, that referenced entity exists in the system, entity has proper state, etc. |
11. |
OCS.io |
Perform Business Logic |
OCS.io performs Business Logic implemented for the Use-Case. |
12. |
OCS.io |
Publish Business Transaction |
OCS.io publishes zero to many messages to Streaming Platform that impacted entities have been changed. |
13. |
OCS.io |
Response |
OCS.io returns Response to the CRM / Ordering System. Response codes are as follows:
|
14. |
DWH |
Subscribe for Business Transactions |
DWH subscribes for Business Transactions to be delivered by Streaming Platform. |
15. |
DWH |
Process Business Transactions |
DWH process Business Transactions internally. This typically includes storing of changed entities, update indexes, update metrics, etc. |