redis-smq
Version:
A high-performance, reliable, and scalable message queue for Node.js.
61 lines • 2.49 kB
JavaScript
import { EQueueOperationalState, EQueueProperty, } from '../../queue-manager/index.js';
import { redisKeys } from '../../common/redis/redis-keys/redis-keys.js';
import { _createQueueStateTransition } from './_create-queue-state-transition.js';
import { ERedisScriptName } from '../../common/redis/scripts.js';
import { QueueNotFoundError, QueueStateTransitionError, UnexpectedScriptReplyError, } from '../../errors/index.js';
export const maxQueueStateHistorySize = 50;
export function _setQueueState(client, queueParams, from, to, reason, options, cb) {
const { keyQueueProperties, keyQueueStateHistory } = redisKeys.getQueueKeys(queueParams.ns, queueParams.name, null);
const lockId = options?.lockId ?? '';
const transition = _createQueueStateTransition(from, to, reason, options ?? {});
const keys = [keyQueueProperties, keyQueueStateHistory];
const args = [
EQueueProperty.OPERATIONAL_STATE,
to,
JSON.stringify(transition),
from,
EQueueOperationalState.ACTIVE,
maxQueueStateHistorySize,
EQueueOperationalState.LOCKED,
lockId,
EQueueProperty.LAST_STATE_CHANGE_AT,
transition.timestamp,
EQueueProperty.LOCK_ID,
];
client.runScript(ERedisScriptName.SET_QUEUE_STATE, keys, args, (err, reply) => {
if (err)
return cb(err);
if (reply !== 'OK') {
if (reply === 'QUEUE_NOT_FOUND') {
return cb(new QueueNotFoundError({
metadata: {
queue: queueParams,
},
}));
}
if (reply === 'INVALID_STATE_TRANSITION') {
return cb(new QueueStateTransitionError({
message: `Invalid state transition: queue state changed since validation`,
metadata: {
from,
to,
},
}));
}
if (reply === 'INVALID_LOCK') {
return cb(new QueueStateTransitionError({
message: `Invalid lock ID provided`,
metadata: {
from,
to,
},
}));
}
return cb(new UnexpectedScriptReplyError({
metadata: { reply },
}));
}
cb(null, transition);
});
}
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