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prepare-phase
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| Example: orchestration of the booking process for a journey - prepare phase | Data store | Transaction branch operation | |
|---|---|---|---|
| Create cancelable hotel & flight reservations | External API | Make a reversible synchronous HTTP POST/PUT request | |
| Request the billing backend for the credit card guarantee charge and await confirmation | Internal service | Send a message or call an endpoint and wait for an event to occur | |
| Add details to the customer row in the database | Database | Acquire an exclusive lock on a database row or use builtin XA support | |
| Grab a semaphore to update the recent bookings cache | In-memory resource | Lock an in-memory resource | |
| Schedule traveller reminder notifications | Actor cluster | Send a command to an actor | |
| Add an entry in a bookings log | File | Persist a rollback-ready change in a file |
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