ospab.host/node_modules/effect/dist/dts/KeyedPool.d.ts

/**
 * @since 2.0.0
 */
import type * as Duration from "./Duration.js";
import type * as Effect from "./Effect.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 declare const KeyedPoolTypeId: unique symbol;
/**
 * @since 2.0.0
 * @category symbols
 */
export type KeyedPoolTypeId = typeof KeyedPoolTypeId;
/**
 * A `KeyedPool<K, A, E>` is a pool of `Pool`s of items of type `A`. Each pool
 * in the `KeyedPool` is associated with a key of type `K`.
 *
 * @since 2.0.0
 * @category models
 */
export interface KeyedPool<in K, in out A, out E = never> extends KeyedPool.Variance<K, A, E>, Pipeable {
    /**
     * Retrieves an item from the pool belonging to the given key in a scoped
     * effect. Note that if acquisition fails, then the returned effect will fail
     * for that same reason. Retrying a failed acquisition attempt will repeat the
     * acquisition attempt.
     */
    get(key: K): Effect.Effect<A, E, Scope.Scope>;
    /**
     * Invalidates the specified item. This will cause the pool to eventually
     * reallocate the item, although this reallocation may occur lazily rather
     * than eagerly.
     */
    invalidate(item: A): Effect.Effect<void>;
}
/**
 * @since 2.0.0
 */
export declare namespace KeyedPool {
    /**
     * @since 2.0.0
     * @category models
     */
    interface Variance<in K, in out A, out E> {
        readonly [KeyedPoolTypeId]: {
            readonly _K: Types.Contravariant<K>;
            readonly _A: Types.Invariant<A>;
            readonly _E: Types.Covariant<E>;
        };
    }
}
/**
 * Makes a new pool of the specified fixed size. The pool is returned in a
 * `Scope`, which governs the lifetime of the pool. When the pool is shutdown
 * because the `Scope` is closed, the individual items allocated by the pool
 * will be released in some unspecified order.
 *
 * @since 2.0.0
 * @category constructors
 */
export declare const make: <K, A, E, R>(options: {
    readonly acquire: (key: K) => Effect.Effect<A, E, R>;
    readonly size: number;
}) => Effect.Effect<KeyedPool<K, A, E>, never, Scope.Scope | R>;
/**
 * Makes a new pool of the specified fixed size. The pool is returned in a
 * `Scope`, which governs the lifetime of the pool. When the pool is shutdown
 * because the `Scope` is closed, the individual items allocated by the pool
 * will be released in some unspecified order.
 *
 * The size of the underlying pools can be configured per key.
 *
 * @since 2.0.0
 * @category constructors
 */
export declare const makeWith: <K, A, E, R>(options: {
    readonly acquire: (key: K) => Effect.Effect<A, E, R>;
    readonly size: (key: K) => number;
}) => Effect.Effect<KeyedPool<K, A, E>, never, Scope.Scope | R>;
/**
 * Makes a new pool with the specified minimum and maximum sizes and time to
 * live before a pool whose excess items are not being used will be shrunk
 * down to the minimum size. The pool is returned in a `Scope`, which governs
 * the lifetime of the pool. When the pool is shutdown because the `Scope` is
 * used, the individual items allocated by the pool will be released in some
 * unspecified order.
 *
 * The size of the underlying pools can be configured per key.
 *
 * @since 2.0.0
 * @category constructors
 */
export declare const makeWithTTL: <K, A, E, R>(options: {
    readonly acquire: (key: K) => Effect.Effect<A, E, R>;
    readonly min: (key: K) => number;
    readonly max: (key: K) => number;
    readonly timeToLive: Duration.DurationInput;
}) => Effect.Effect<KeyedPool<K, A, E>, never, Scope.Scope | R>;
/**
 * Makes a new pool with the specified minimum and maximum sizes and time to
 * live before a pool whose excess items are not being used will be shrunk
 * down to the minimum size. The pool is returned in a `Scope`, which governs
 * the lifetime of the pool. When the pool is shutdown because the `Scope` is
 * used, the individual items allocated by the pool will be released in some
 * unspecified order.
 *
 * The size of the underlying pools can be configured per key.
 *
 * @since 2.0.0
 * @category constructors
 */
export declare const makeWithTTLBy: <K, A, E, R>(options: {
    readonly acquire: (key: K) => Effect.Effect<A, E, R>;
    readonly min: (key: K) => number;
    readonly max: (key: K) => number;
    readonly timeToLive: (key: K) => Duration.DurationInput;
}) => Effect.Effect<KeyedPool<K, A, E>, never, Scope.Scope | R>;
/**
 * Retrieves an item from the pool belonging to the given key in a scoped
 * effect. Note that if acquisition fails, then the returned effect will fail
 * for that same reason. Retrying a failed acquisition attempt will repeat the
 * acquisition attempt.
 *
 * @since 2.0.0
 * @category combinators
 */
export declare const get: {
    /**
     * Retrieves an item from the pool belonging to the given key in a scoped
     * effect. Note that if acquisition fails, then the returned effect will fail
     * for that same reason. Retrying a failed acquisition attempt will repeat the
     * acquisition attempt.
     *
     * @since 2.0.0
     * @category combinators
     */
    <K>(key: K): <A, E>(self: KeyedPool<K, A, E>) => Effect.Effect<A, E, Scope.Scope>;
    /**
     * Retrieves an item from the pool belonging to the given key in a scoped
     * effect. Note that if acquisition fails, then the returned effect will fail
     * for that same reason. Retrying a failed acquisition attempt will repeat the
     * acquisition attempt.
     *
     * @since 2.0.0
     * @category combinators
     */
    <K, A, E>(self: KeyedPool<K, A, E>, key: K): Effect.Effect<A, E, Scope.Scope>;
};
/**
 * Invalidates the specified item. This will cause the pool to eventually
 * reallocate the item, although this reallocation may occur lazily rather
 * than eagerly.
 *
 * @since 2.0.0
 * @category combinators
 */
export declare const invalidate: {
    /**
     * Invalidates the specified item. This will cause the pool to eventually
     * reallocate the item, although this reallocation may occur lazily rather
     * than eagerly.
     *
     * @since 2.0.0
     * @category combinators
     */
    <A>(item: A): <K, E>(self: KeyedPool<K, A, E>) => Effect.Effect<void>;
    /**
     * Invalidates the specified item. This will cause the pool to eventually
     * reallocate the item, although this reallocation may occur lazily rather
     * than eagerly.
     *
     * @since 2.0.0
     * @category combinators
     */
    <K, A, E>(self: KeyedPool<K, A, E>, item: A): Effect.Effect<void>;
};
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