@opentelemetry/otlp-exporter-base
Version:
OpenTelemetry OTLP Exporter base (for internal use only)
39 lines • 1.31 kB
JavaScript
/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
class BoundedQueueExportPromiseHandler {
_concurrencyLimit;
_sendingPromises = [];
/**
* @param concurrencyLimit maximum promises allowed in a queue at the same time.
*/
constructor(concurrencyLimit) {
this._concurrencyLimit = concurrencyLimit;
}
pushPromise(promise) {
if (this.hasReachedLimit()) {
throw new Error('Concurrency Limit reached');
}
this._sendingPromises.push(promise);
const popPromise = () => {
const index = this._sendingPromises.indexOf(promise);
void this._sendingPromises.splice(index, 1);
};
promise.then(popPromise, popPromise);
}
hasReachedLimit() {
return this._sendingPromises.length >= this._concurrencyLimit;
}
async awaitAll() {
await Promise.all(this._sendingPromises);
}
}
/**
* Promise queue for keeping track of export promises. Finished promises will be auto-dequeued.
* Allows for awaiting all promises in the queue.
*/
export function createBoundedQueueExportPromiseHandler(options) {
return new BoundedQueueExportPromiseHandler(options.concurrencyLimit);
}
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