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Neos Conference 2021: Event Sourced Content Repository - the current status
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Sebastian Kurfürst
September 22, 2021
Technology
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Neos Conference 2021: Event Sourced Content Repository - the current status
Sebastian Kurfürst
September 22, 2021
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Transcript
The Event Sourced Content Repository: The Current Status
Introduction
Content Repository Asset Storage Fusion Flow Framework Neos Neos UI
Event Store Content Graph Commands Read API Write API Doctrine
DBAL
It's a big change behind the scenes.
Content Repository Asset Storage Fusion Flow Framework Neos Neos UI
Why are we doing the rewrite?
Model modify read classical Database Architecture Database
update projections append events Event Sourced Architecture Events "modify" read*
Event Store e1 e1 Node properties were updated e2 Node was created e3 Node properties were updated e4 Workspace was created
"Model", e.g. with Doctrine ORM update projection read the "model"
Projections DB Tables
Projections can be rebuilt DB Tables Empty DB Tables apply
event 1 DB Tables apply event 2 apply event 3 apply event 4 apply event 1000
write side read side (projections) Event store (DB Table) Content
Graph Commands Events Routing …
We know what has happened.
basis for Proper History and Undo
Editing Noti fi cations
Synchronization
already fi ve years in the making
December 2016: First Workshop
September 2017: ES CR Workshop Kiel
March 2018: ES CR Workshop Dresden
May 2018: Neos Conference Hamburg
May 2019: Neos Conference Dresden
May 2020: Neos Conference Online
What did we do since last year?
We want to use it for real. Node Type Changes
Automatically adjustable node:repair -> Structure Adjustments Node Type Changes Manually adjustable Node migrations Bugs Unplanned! Integrity Violation Detection
None
None
my personal brain nut 4 hours of coding 1 hour
of thinking 1 hour of discussing new insights
my personal brain nut 1 hour of coding 2 hours
of thinking 4 hours of discussing new insights
Things happened Smaller Features Event Sourced Routing Performance / Postgres
Support (WIP) Node Accessors (WIP)
Smaller Features Value Object Support in Properties Customizable Property Serializers
Property Scopes Access Control Support (WIP)
Property Scopes Product DE Product EN SKU, Price Across all
(or some) dimensions
Things happened Smaller Features Event Sourced Routing Performance / Postgres
Support (WIP) Node Accessors (WIP)
Things happened Smaller Features Event Sourced Routing Performance / Postgres
Support (WIP) Node Accessors (WIP)
Excourse: The Content Graph 2022 Node (Title: Next Year) Homepage
Node (Title: NeosCon) CS: live CS: user-sebastian
Excourse: The Content Graph 2022 Node (Title: Next Year) Homepage
Node (Title: NeosCon) CS: live CS: user-sebastian 2022 Node (Title: Next Year’s Con)
Excourse: The Content Graph 2022 Node (Title: Next Year) Homepage
Node (Title: NeosCon) CS: live DSP: EN CS: user-sebastian DSP: EN DE
Excourse: The Content Graph 2022 Node (Title: Next Year) Homepage
Node (Title: NeosCon) CS: live DSP: EN CS: user-sebastian DSP: EN DE 2022 Node (Title: Next Year’s Con)
None
Things happened Smaller Features Event Sourced Routing Performance / Postgres
Support (WIP) Node Accessors
Node Traversal Part Data Access Part
Node Traversal Part Data Access Part Node Accessor
Subgraph Node Accessor Content Subgraph Neos UI Menu Rendering Fusion
Outside API Storage API
Virtual Node Accessor Content Subgraph Neos UI Menu Rendering Fusion
Subgraph Node Accessor Virtual Node implementation WIP!
None
Roadmap
None
Webinar / QA Session / Deep Dive 21.05.2021 09:30 -
12:00 #project-cr-rewrite
None
None