Sha256: 4b5308084170517ace82a91b3ea6d219cdc0121752b5e3785eb18b971ab520fa
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Size: 1.33 KB
Versions: 14
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Stored size: 1.33 KB
Contents
var CheckedObserver = (function (__super__) {
inherits(CheckedObserver, __super__);
function CheckedObserver(observer) {
__super__.call(this);
this._observer = observer;
this._state = 0; // 0 - idle, 1 - busy, 2 - done
}
var CheckedObserverPrototype = CheckedObserver.prototype;
CheckedObserverPrototype.onNext = function (value) {
this.checkAccess();
var res = tryCatch(this._observer.onNext).call(this._observer, value);
this._state = 0;
res === errorObj && thrower(res.e);
};
CheckedObserverPrototype.onError = function (err) {
this.checkAccess();
var res = tryCatch(this._observer.onError).call(this._observer, err);
this._state = 2;
res === errorObj && thrower(res.e);
};
CheckedObserverPrototype.onCompleted = function () {
this.checkAccess();
var res = tryCatch(this._observer.onCompleted).call(this._observer);
this._state = 2;
res === errorObj && thrower(res.e);
};
CheckedObserverPrototype.checkAccess = function () {
if (this._state === 1) { throw new Error('Re-entrancy detected'); }
if (this._state === 2) { throw new Error('Observer completed'); }
if (this._state === 0) { this._state = 1; }
};
return CheckedObserver;
}(Observer));
Version data entries
14 entries across 7 versions & 1 rubygems