@hashgraph/solo
Version:
An opinionated CLI tool to deploy and manage private Hedera Networks.
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TypeScript
import { type Lock, type LockRenewalService } from './lock.js';
import { Duration } from '../time/duration.js';
/**
* Implements a lease renewal service which utilizes a setInterval() based approach to renew leases at regular intervals.
* The renewal delay is calculated as half the duration of the lease in seconds.
*/
export declare class IntervalLockRenewalService implements LockRenewalService {
/** The internal registry used to track all non-cancelled lease renewals. */
private readonly _scheduledLeases;
/**
* Constructs a new interval lease renewal service.
*/
constructor();
/**
* Determines if a lease renewal is scheduled.
* This implementation uses the internal registry to track all non-cancelled lease renewals.
*
* @param scheduleId - the unique identifier of the scheduled lease renewal.
* @returns true if the lease renewal is scheduled; false otherwise.
*/
isScheduled(scheduleId: number): Promise<boolean>;
/**
* Schedules a lock renewal.
* This implementation uses the setInterval() method to renew the lock at regular intervals.
*
* @param lock - the lock to be renewed.
* @returns the unique identifier of the scheduled lock renewal. The unique identifier is the ID of the setInterval() timeout.
*/
schedule(lock: Lock): Promise<number>;
/**
* Cancels a scheduled lease renewal.
* This implementation uses the clearInterval() method to cancel the scheduled lease renewal.
* Due to the nature of the setInterval()/clearInterval() methods, the scheduled event may still fire at least once
* after the cancellation.
*
* @param scheduleId - the unique identifier of the scheduled lease renewal. The unique identifier is the ID of the setInterval() timeout.
* @returns true if the lease renewal was previously scheduled; false otherwise.
*/
cancel(scheduleId: number): Promise<boolean>;
/**
* Cancels all scheduled lease renewals.
* This implementation cancels all scheduled lease renewals by iterating over the internal registry and clearing each timeout.
* @returns a map of the unique identifiers of the scheduled lease renewals and their cancellation status.
*/
cancelAll(): Promise<Map<number, boolean>>;
/**
* Calculates the delay before the next lock renewal.
* This implementation calculates the renewal delay as half the duration of the lock.
*
* @param lock - the lock to be renewed.
* @returns the delay in milliseconds.
*/
calculateRenewalDelay(lock: Lock): Duration;
}