Demo app for Podlodka Crew 5

Related tags

SwiftUI App lmdb inmemory
Overview

PodlodkaFiles

Demo app for Podlodka Crew 5 shows two approaches for the persistence layer architecture:

  • Normalized in-memory storage based on Swift value types
  • LMDB

Both in-memory and LMDB based storages share such solid features as thread-safe access and multi-versioning. The presentation and domain layers of the app are entirely abstracted from persistent one and can be switched from one to another without any effort.

The current type of storage is determined by state and stateUpdater properties in Assembly class.

// In-Memory aka RAM version
private var state: State { ramState.value }
private var stateUpdater: StateUpdater { ramStateUpdater }
// LMDB version
private var state: State { dbState }
private var stateUpdater: StateUpdater { dbStateUpdater }

Happy coding!

Links

Here are some materials for diving deeper. Everything is in Russian.

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Comments
  • Don't let the

    Don't let the "Podlodka" sink

    RU: Чтобы подлодка внезапно не затонула замените пожалуйста движок на MDBX EN: Please replace the engine with MDBX to prevent the "submarine" from unexpected drowning.

    ;)

    opened by erthink 0
Owner
Pavel Osipov
iOS Developer
Pavel Osipov
GitHub
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