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//
// Cache.swift
// Tusker
//
// Created by Shadowfacts on 11/7/18.
// Copyright © 2018 Shadowfacts. All rights reserved.
//
import Foundation
import Cache
/// Wrapper around Cache library that provides an API for transparently using any storage type
enum Cache<T> {
case memory(MemoryStorage<T>)
case disk(DiskStorage<T>)
case hybrid(HybridStorage<T>)
func existsObject(forKey key: String) throws -> Bool {
switch self {
case let .memory(memory):
return try memory.existsObject(forKey: key)
case let .disk(disk):
return try disk.existsObject(forKey: key)
case let .hybrid(hybrid):
return try hybrid.existsObject(forKey: key)
}
}
func object(forKey key: String) throws -> T {
switch self {
case let .memory(memory):
return try memory.object(forKey: key)
case let .disk(disk):
return try disk.object(forKey: key)
case let .hybrid(hybrid):
return try hybrid.object(forKey: key)
}
}
func setObject(_ object: T, forKey key: String, expiry: Expiry? = nil) throws {
switch self {
case let .memory(memory):
memory.setObject(object, forKey: key, expiry: expiry)
case let .disk(disk):
try disk.setObject(object, forKey: key, expiry: expiry)
case let .hybrid(hybrid):
try hybrid.setObject(object, forKey: key, expiry: expiry)
}
}
}