37 lines
847 B
Swift
37 lines
847 B
Swift
import Foundation
|
|
|
|
final class RDEPUBChapterDataCache {
|
|
private var storage: [Int: RDEPUBRuntimeChapter] = [:]
|
|
private let lock = NSLock()
|
|
|
|
subscript(_ spineIndex: Int) -> RDEPUBRuntimeChapter? {
|
|
get {
|
|
lock.lock()
|
|
defer { lock.unlock() }
|
|
return storage[spineIndex]
|
|
}
|
|
set {
|
|
lock.lock()
|
|
defer { lock.unlock() }
|
|
storage[spineIndex] = newValue
|
|
}
|
|
}
|
|
|
|
var storedSpineIndices: [Int] {
|
|
lock.lock()
|
|
defer { lock.unlock() }
|
|
return Array(storage.keys)
|
|
}
|
|
|
|
func remove(spineIndex: Int) {
|
|
lock.lock()
|
|
defer { lock.unlock() }
|
|
storage.removeValue(forKey: spineIndex)
|
|
}
|
|
|
|
func removeAll() {
|
|
lock.lock()
|
|
defer { lock.unlock() }
|
|
storage.removeAll()
|
|
}
|
|
} |