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JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Barrier = void 0;
/**
* A simple barrier to synchronize flow of multiple async operations.
*/
class Barrier {
constructor(targetCount) {
this.currentCount = 0;
this.targetCount = targetCount;
this.promise = new Promise(resolve => {
this.resolve = resolve;
});
}
/**
* Signal that a participant has reached the barrier.
*
* The barrier will be resolved once `targetCount` participants have reached it.
*/
signal() {
this.currentCount += 1;
if (this.currentCount === this.targetCount) {
this.resolve();
}
}
/**
* Wait for the barrier to be resolved.
*
* @returns A promise that resolves when the barrier is resolved.
*/
async wait() {
return this.promise;
}
/**
* Signal that a participant has reached the barrier and wait for the barrier to be resolved.
*
* The barrier will be resolved once `targetCount` participants have reached it.
*
* @returns A promise that resolves when the barrier is resolved.
*/
async signalAndWait() {
this.signal();
return this.wait();
}
}
exports.Barrier = Barrier;