redis-smq
Version:
A simple high-performance Redis message queue for Node.js.
60 lines • 2.5 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.QueueMessagesStorageSet = void 0;
const redis_smq_common_1 = require("redis-smq-common");
const redis_keys_js_1 = require("../../../common/redis-keys/redis-keys.js");
const queue_messages_storage_js_1 = require("./queue-messages-storage.js");
class QueueMessagesStorageSet extends queue_messages_storage_js_1.QueueMessagesStorage {
count(queue, redisKey, cb) {
const keys = redis_keys_js_1.redisKeys.getQueueKeys(queue.queueParams, queue.groupId);
this.redisClient.getSetInstance((err, client) => {
if (err)
cb(err);
else if (!client)
cb(new redis_smq_common_1.CallbackEmptyReplyError());
else {
client.scard(keys[redisKey], (err, reply) => {
if (err)
cb(err);
else if (!reply)
cb(new redis_smq_common_1.CallbackEmptyReplyError());
else
cb(null, reply);
});
}
});
}
fetchItems(queue, redisKey, offset, limit, cb) {
const keys = redis_keys_js_1.redisKeys.getQueueKeys(queue.queueParams, queue.groupId);
this.redisClient.getSetInstance((err, client) => {
if (err)
cb(err);
else if (!client)
cb(new redis_smq_common_1.CallbackEmptyReplyError());
else {
client.sscan(keys[redisKey], offset.toString(), { COUNT: limit }, (err, reply) => {
if (err)
cb(err);
else if (!reply)
cb(new redis_smq_common_1.CallbackEmptyReplyError());
else
cb(null, reply ? reply.items : []);
});
}
});
}
fetchAllItems(queue, redisKey, cb) {
this.redisClient.getSetInstance((err, client) => {
if (err)
cb(err);
else if (!client)
cb(new redis_smq_common_1.CallbackEmptyReplyError());
else {
const keys = redis_keys_js_1.redisKeys.getQueueKeys(queue.queueParams, queue.groupId);
client.sscanAll(keys[redisKey], { COUNT: 100 }, cb);
}
});
}
}
exports.QueueMessagesStorageSet = QueueMessagesStorageSet;
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