/**
* @since 2.0.0
*/
import type * as Cache from "./Cache.js"
import type * as Duration from "./Duration.js"
import type * as Effect from "./Effect.js"
import type * as Exit from "./Exit.js"
import * as internal from "./internal/scopedCache.js"
import type * as Option from "./Option.js"
import type { Pipeable } from "./Pipeable.js"
import type * as Scope from "./Scope.js"
import type * as Types from "./Types.js"
/**
* @since 2.0.0
* @category symbols
*/
export const ScopedCacheTypeId: unique symbol = internal.ScopedCacheTypeId
/**
* @since 2.0.0
* @category symbols
*/
export type ScopedCacheTypeId = typeof ScopedCacheTypeId
/**
* @since 2.0.0
* @category models
*/
export interface ScopedCache<in Key, out Value, out Error = never>
extends ScopedCache.Variance<Key, Value, Error>, Pipeable
{
/**
* Retrieves the value associated with the specified key if it exists.
* Otherwise returns `Option.none`.
*/
getOption(key: Key): Effect.Effect<Option.Option<Value>, Error, Scope.Scope>
/**
* Retrieves the value associated with the specified key if it exists and the
* lookup function has completed. Otherwise returns `Option.none`.
*/
getOptionComplete(key: Key): Effect.Effect<Option.Option<Value>, never, Scope.Scope>
/**
* Returns statistics for this cache.
*/
readonly cacheStats: Effect.Effect<Cache.CacheStats>
/**
* Return whether a resource associated with the specified key exists in the
* cache. Sometime `contains` can return true if the resource is currently
* being created but not yet totally created.
*/
contains(key: Key): Effect.Effect<boolean>
/**
* Return statistics for the specified entry.
*/
entryStats(key: Key): Effect.Effect<Option.Option<Cache.EntryStats>>
/**
* Gets the value from the cache if it exists or otherwise computes it, the
* release action signals to the cache that the value is no longer being used
* and can potentially be finalized subject to the policies of the cache.
*/
get(key: Key): Effect.Effect<Value, Error, Scope.Scope>
/**
* Invalidates the resource associated with the specified key.
*/
invalidate(key: Key): Effect.Effect<void>
/**
* Invalidates all values in the cache.
*/
readonly invalidateAll: Effect.Effect<void>
/**
* Force the reuse of the lookup function to compute the returned scoped
* effect associated with the specified key immediately. Once the new resource
* is recomputed, the old resource associated to the key is cleaned (once all
* fiber using it are done with it). During the time the new resource is
* computed, concurrent call the .get will use the old resource if this one is
* not expired.
*/
refresh(key: Key): Effect.Effect<void, Error>
/**
* Returns the approximate number of values in the cache.
*/
readonly size: Effect.Effect<number>
}
/**
* @since 2.0.0
*/
export declare namespace ScopedCache {
/**
* @since 2.0.0
* @category models
*/
export interface Variance<in Key, out Value, out Error> {
readonly [ScopedCacheTypeId]: {
_Key: Types.Contravariant<Key>
_Error: Types.Covariant<Error>
_Value: Types.Covariant<Value>
}
}
}
/**
* Constructs a new cache with the specified capacity, time to live, and
* lookup function.
*
* @since 2.0.0
* @category constructors
*/
export const make: <Key, Value, Error = never, Environment = never>(
options: {
readonly lookup: Lookup<Key, Value, Error, Environment>
readonly capacity: number
readonly timeToLive: Duration.DurationInput
}
) => Effect.Effect<ScopedCache<Key, Value, Error>, never, Scope.Scope | Environment> = internal.make
/**
* Constructs a new cache with the specified capacity, time to live, and
* lookup function, where the time to live can depend on the `Exit` value
* returned by the lookup function.
*
* @since 2.0.0
* @category constructors
*/
export const makeWith: <Key, Value, Error = never, Environment = never>(
options: {
readonly capacity: number
readonly lookup: Lookup<Key, Value, Error, Environment>
readonly timeToLive: (exit: Exit.Exit<Value, Error>) => Duration.DurationInput
}
) => Effect.Effect<ScopedCache<Key, Value, Error>, never, Scope.Scope | Environment> = internal.makeWith
/**
* Similar to `Cache.Lookup`, but executes the lookup function within a `Scope`.
*
* @since 2.0.0
* @category models
*/
export type Lookup<Key, Value, Error = never, Environment = never> = (
key: Key
) => Effect.Effect<Value, Error, Environment | Scope.Scope>