Class TwoTierStorageAdapter

Two-tier cache: fast in-memory L1 backed by a persistent L2 adapter. Reads promote entries from L2 to L1. Writes go to both tiers in parallel.

Implements

CacheStorageAdapter

Index

Constructors

Methods

get set delete keys clear

Constructors

constructor

new TwoTierStorageAdapter(l2: CacheStorageAdapter): TwoTierStorageAdapter
Parameters
- l2: CacheStorageAdapter
  The persistent backend storage adapter
Returns TwoTierStorageAdapter
- Defined in src/cache.ts:366

Methods

get

get(key: string): Promise<CacheEntry | null>
Retrieve an entry from L1 (fast) with L2 fallback. Promotes L2 hits into L1.
Parameters
- key: string
Returns Promise<CacheEntry | null>
Implementation of CacheStorageAdapter.get
- Defined in src/cache.ts:372

set

set(key: string, entry: CacheEntry): Promise<void>
Store an entry in both L1 (memory) and L2 (persistent) in parallel.
Parameters
- key: string
- entry: CacheEntry
Returns Promise<void>
Implementation of CacheStorageAdapter.set
- Defined in src/cache.ts:384

delete

delete(key: string): Promise<void>
Remove an entry from both tiers in parallel.
Parameters
- key: string
Returns Promise<void>
Implementation of CacheStorageAdapter.delete
- Defined in src/cache.ts:389

keys

keys(): Promise<string[]>
List all keys from L2 (source of truth for key enumeration).

Returns Promise<string[]>
Implementation of CacheStorageAdapter.keys
- Defined in src/cache.ts:394

clear

clear(): Promise<void>
Clear both tiers in parallel.

Returns Promise<void>
Implementation of CacheStorageAdapter.clear
- Defined in src/cache.ts:399