https://github.com/renatoathaydes/eventory

An event sourcing-inspired library targeting offline-first use, with automatic synchronization with remote instances when connection is available.
https://github.com/renatoathaydes/eventory

dart database event-sourcing events

Last synced: 10 months ago
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An event sourcing-inspired library targeting offline-first use, with automatic synchronization with remote instances when connection is available.

• Host: GitHub
• URL: https://github.com/renatoathaydes/eventory
• Owner: renatoathaydes
• License: bsd-2-clause
• Created: 2019-07-28T20:46:05.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2019-08-21T20:55:13.000Z (almost 7 years ago)
• Last Synced: 2025-03-22T02:22:19.910Z (over 1 year ago)
• Topics: dart, database, event-sourcing, events
• Language: Dart
• Size: 93.8 KB
• Stars: 8
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

          
# Eventory

> Work in progress

An event sourcing-inspired library targeting offline-first use, with automatic synchronization with remote

instances when connection is available.

## Design Principles

* All events are acceptable. Errors are managed when _looking_ at the data, not when writing.

* Writers control the instant events happen.

* Event value serialization mechanism can be chosen by library users.

* EventSource is immutable and represents the state of the world at a precise moment in time.

* EventorySink must be able to write as fast as possible.

* Snapshots allow EventSources to be extremely efficient at querying data.

* EventSource and EventorySink are always separate entities even when using the same storage mechanism.

* Reloading an EventSource with new events from an EventorySink or remote stream must be extremely cheap.