swift-actor-persistence

Name: swift-actor-persistence
Availability: InStock
Author: shimo4228

Provide thread-safe local data persistence with actor-based repositories and in-memory caching.

Updated Aug 27, 2026

Search Tags:#concurrency #swift #cache #persistence #actor #file-storage #design-pattern

Ready to run

npx skills add https://github.com/shimo4228/claude-code-learned-skills --skill swift-actor-persistence

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: swift-actor-persistence
Source: https://github.com/shimo4228/claude-code-learned-skills/tree/main/skills/swift-actor-persistence
Command: npx skills add https://github.com/shimo4228/claude-code-learned-skills --skill swift-actor-persistence

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Race conditions in data persistence layers when multiple parts of an app read/write simultaneously. Traditional approaches (DispatchQueues, locks) are error-prone and verbose.

Core Features & Use Cases

In-memory cache + file persistence: fast reads from cache, durable writes to disk
Synchronous init loading: avoids async initialization complexity
Dictionary keying: O(1) lookups by ID
Private persistence: external callers only see domain operations

Quick Start

Instantiate LocalRepository and perform async operations to save, load, and query records.

Frequently Asked Questions about swift-actor-persistence

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I handle race conditions in Swift data persistence without using locks?▼

Swift data persistence race conditions can be handled using an actor-based LocalRepository to manage records safely. This replaces error-prone locks and DispatchQueues with actor-isolated APIs for concurrent reads and writes.

What is the best way to implement thread-safe local storage with an in-memory cache in Swift?▼

Thread-safe local storage with an in-memory cache in Swift is best implemented using an actor-based design pattern. It combines fast O(1) dictionary lookups for reading cached data with durable file storage for writing to disk.

Can I use Swift actors for offline-first app persistence requiring synchronous initialization?▼

Yes, Swift actors can be used for offline-first app persistence requiring synchronous initialization. The repository loads data synchronously during init, avoiding async initialization complexity while maintaining actor isolation for concurrent access.

Does this Swift actor persistence approach expose internal file storage operations to external callers?▼

No, this Swift actor persistence approach keeps file storage operations private. External callers only interact with high-level domain operations, ensuring the underlying persistence layer and in-memory cache mechanisms remain completely encapsulated.

When do I need actor-isolated APIs for local data persistence in Swift applications?▼

You need actor-isolated APIs for local data persistence in Swift when multiple parts of an app read and write simultaneously. This is essential for responsive UIs and offline-first apps requiring concurrent data access without race conditions.