@apiratorjs/locking-redis
Version:
An extension to the core @apiratorjs/locking library, providing Redis-based implementations of distributed mutexes and semaphores for true cross-process concurrency control in Node.js.
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TypeScript
import { RedisClientType } from "redis";
import { types } from "@apiratorjs/locking";
import { BaseDistributedLockPrimitive } from "./base-distributed-lock-primitive";
export declare class RedisDistributedSemaphore extends BaseDistributedLockPrimitive implements types.IDistributedSemaphore {
readonly maxCount: number;
constructor(props: types.TDistributedSemaphoreConstructorProps & {
redisClient: RedisClientType;
});
waitForAnyUnlock(): Promise<void>;
waitForFullyUnlock(): Promise<void>;
destroy(message?: string): Promise<void>;
freeCount(): Promise<number>;
acquire(params?: types.TAcquireParams): Promise<types.IReleaser<types.TSemaphoreToken>>;
cancelAll(errMessage?: string): Promise<void>;
isLocked(): Promise<boolean>;
runExclusive<T>(fn: () => Promise<T> | T): Promise<T>;
runExclusive<T>(params: types.TAcquireParams, fn: () => Promise<T> | T): Promise<T>;
protected tryAcquire(ttlMs: number): Promise<types.TAcquireToken | undefined>;
protected release(token: types.TAcquireToken): Promise<void>;
private ensureAlive;
}
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