redis-smq
Version:
A simple high-performance Redis message queue for Node.js.
44 lines • 1.76 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.MultiplexedDequeueMessage = void 0;
const dequeue_message_1 = require("../dequeue-message");
const message_1 = require("../../../message/message");
const events_1 = require("../../../../common/events/events");
const queue_rate_limit_1 = require("../../../queue-manager/queue-rate-limit");
class MultiplexedDequeueMessage extends dequeue_message_1.DequeueMessage {
dequeue() {
const cb = (err, reply) => {
if (err) {
this.ticker.abort();
this.messageHandler.handleError(err);
}
else if (typeof reply === 'string') {
const message = message_1.Message.createFromMessage(reply);
this.messageHandler.emit(events_1.events.MESSAGE_RECEIVED, message);
}
else {
this.messageHandler.emit(events_1.events.MESSAGE_NEXT);
}
};
const deq = () => {
if (this.isPriorityQueuingEnabled())
this.dequeueMessageWithPriority(cb);
else
this.dequeueMessage(cb);
};
if (this.queueRateLimit) {
queue_rate_limit_1.QueueRateLimit.hasExceeded(this.redisClient, this.queue, this.queueRateLimit, (err, isExceeded) => {
if (err)
this.messageHandler.handleError(err);
else if (isExceeded)
this.messageHandler.emit(events_1.events.MESSAGE_NEXT);
else
deq();
});
}
else
deq();
}
}
exports.MultiplexedDequeueMessage = MultiplexedDequeueMessage;
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