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Code Quality Rank: L2
Monthly Downloads: 0
Programming language: Swift
License: MIT License
Tags: Cache    
Latest version: v3.0.0

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README

Language Pod Version Pod Platform Carthage Compatible License

Track is a thread safe cache write by Swift. Composed of DiskCache and MemoryCache which support LRU.

Features

  • Thread safe: Implement by dispatch_semaphore_t lock and DISPATCH_QUEUE_CONCURRENT. Cache methods are thread safe and no deadlock.

  • LRU: Implement by linkedlist, it`s fast. You can manage a cache through functions to limit size, age of entries and memory usage to eliminate least recently used object.

  • Support async and sync operation.

  • Cache implement SequenceType Generator, support subscrip for ... in map flapmap filter...

Use

Base use

Support Sync and Async Set, Get, RemoveObject, RemoveAll and Subscript.

let track = Cache.shareInstance

track.set(object: "object", forKey: "key")

track.object(forKey: "key")

track.removeObject(forKey: "key") { (cache, key, object) in }

track.removeAllObjects { (cache, key, object) in }

track["key"] = "object"

print(track["key"])

Other use

MemoryCache and DiskCache has feature of LRU, so they can eliminate least recently used object according countLimit, costLimit and ageLimit.

let diskcache = DiskCache.shareInstance

diskcache.countLimit = 20

diskcache.costLimit = 1024 * 10

let memorycache = MemoryCache.shareInstance

memorycache.trim(toAge: 1000) { (cache, key, object) in }

memorycache.trim(toCount: 10) { (cache, key, object) in }

New features: SequenceType Generator

Cache support thread safe for ... in map forEache...

let cache: Cache = Cache.shareInstance

for i in 1 ... 5 {
    cache.set(object: "\(i)", forKey: "\(i)")
}

for object in cache {
    print(object)
}
output: ("5", 5) ("4", 4) ("3", 3) ("2", 2) ("1", 1)
cache.forEach {
    print($0)
}
output: ("1", 1) ("2", 2) ("3", 3) ("4", 4) ("5", 5)
let values = cache.map { return $0 }

print(values)
output: [("5", 5), ("4", 4), ("3", 3), ("2", 2), ("1", 1)]

Installation

CocoaPods

Support Swift 5.0

pod 'Track', :git => 'https://github.com/maquannene/Track.git', :branch => 'master'

Manually

  1. Download and drop /Track folder in your project.
  2. Congratulations!

Thanks

Thanks YYCache,PINCache very much. Some ideas from them.

License

Track is released under the MIT license.

如果来自天朝点击查看更多实现细节文章


*Note that all licence references and agreements mentioned in the Track README section above are relevant to that project's source code only.