All right, here is the outcome:
https://github.com/salutis/KeyedCache/blob/master/KeyedCache.swift
Thanks Erica and Donnacha for examples and inspiration!
R+
> On 28 Dec 2015, at 19:36, Rudolf Adamkovič via swift-users
> <swift-users@swift.org> wrote:
>
> Hi there!
>
> In my app, I have a very simple class that serves as a key-value cache. The
> whole thing is basically a lazily populated [String: AVAudioPCMBuffer]
> dictionary with a String -> AVAudioPCMBuffer function that generates values
> as needed:
>
> final class PlayerAudioCache {
>
> // MARK: Retrieving audio buffers
>
> func audioBufferForAssetWithName(name: String) -> AVAudioPCMBuffer? {
> addAudioBufferForAssetWithNameIfNeeded(name)
> return cachedAudioBuffers[name]
> }
>
> // MARK: Adding audio buffers
>
> func addAudioBufferForAssetWithNameIfNeeded(name: String) {
> guard cachedAudioBuffers[name] == nil else { return }
> addAudioBufferForAssetWithName(name)
> }
>
> private func addAudioBufferForAssetWithName(name: String) {
> guard let dataAsset = NSDataAsset(name: name) else { fatalError() }
> cachedAudioBuffers[name] = dataAsset.map { URL -> AVAudioPCMBuffer in
> AVAudioPCMBuffer(contentsOfURL: URL)!
> }
> }
>
> private var cachedAudioBuffers: [String: AVAudioPCMBuffer] = [:]
>
> }
>
> I feel like there is a pre-made type in Swift’s standard library for what I’m
> doing here. Am I right?
>
> Ideas? Pointers?
>
> Thank you!
>
> R+
>
> _______________________________________________
> swift-users mailing list
> swift-users@swift.org
> https://lists.swift.org/mailman/listinfo/swift-users
_______________________________________________
swift-users mailing list
swift-users@swift.org
https://lists.swift.org/mailman/listinfo/swift-users
