var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
define(["require", "exports", '../OuterSubscriber', '../util/subscribeToResult'], function (require, exports, OuterSubscriber_1, subscribeToResult_1) {
    var MergeAllOperator = (function () {
        function MergeAllOperator(concurrent) {
            this.concurrent = concurrent;
        }
        MergeAllOperator.prototype.call = function (observer) {
            return new MergeAllSubscriber(observer, this.concurrent);
        };
        return MergeAllOperator;
    })();
    exports.MergeAllOperator = MergeAllOperator;
    var MergeAllSubscriber = (function (_super) {
        __extends(MergeAllSubscriber, _super);
        function MergeAllSubscriber(destination, concurrent) {
            _super.call(this, destination);
            this.concurrent = concurrent;
            this.hasCompleted = false;
            this.buffer = [];
            this.active = 0;
        }
        MergeAllSubscriber.prototype._next = function (observable) {
            if (this.active < this.concurrent) {
                if (observable._isScalar) {
                    this.destination.next(observable.value);
                }
                else {
                    this.active++;
                    this.add(subscribeToResult_1.default(this, observable));
                }
            }
            else {
                this.buffer.push(observable);
            }
        };
        MergeAllSubscriber.prototype._complete = function () {
            this.hasCompleted = true;
            if (this.active === 0 && this.buffer.length === 0) {
                this.destination.complete();
            }
        };
        MergeAllSubscriber.prototype.notifyComplete = function (innerSub) {
            var buffer = this.buffer;
            this.remove(innerSub);
            this.active--;
            if (buffer.length > 0) {
                this._next(buffer.shift());
            }
            else if (this.active === 0 && this.hasCompleted) {
                this.destination.complete();
            }
        };
        return MergeAllSubscriber;
    })(OuterSubscriber_1.default);
    exports.MergeAllSubscriber = MergeAllSubscriber;
});
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