work.suroh.tk/node_modules/rxjs/operators/windowTime.js

163 lines
6.6 KiB
JavaScript

"use strict";
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 __());
};
var Subject_1 = require('../Subject');
var async_1 = require('../scheduler/async');
var Subscriber_1 = require('../Subscriber');
var isNumeric_1 = require('../util/isNumeric');
var isScheduler_1 = require('../util/isScheduler');
function windowTime(windowTimeSpan) {
var scheduler = async_1.async;
var windowCreationInterval = null;
var maxWindowSize = Number.POSITIVE_INFINITY;
if (isScheduler_1.isScheduler(arguments[3])) {
scheduler = arguments[3];
}
if (isScheduler_1.isScheduler(arguments[2])) {
scheduler = arguments[2];
}
else if (isNumeric_1.isNumeric(arguments[2])) {
maxWindowSize = arguments[2];
}
if (isScheduler_1.isScheduler(arguments[1])) {
scheduler = arguments[1];
}
else if (isNumeric_1.isNumeric(arguments[1])) {
windowCreationInterval = arguments[1];
}
return function windowTimeOperatorFunction(source) {
return source.lift(new WindowTimeOperator(windowTimeSpan, windowCreationInterval, maxWindowSize, scheduler));
};
}
exports.windowTime = windowTime;
var WindowTimeOperator = (function () {
function WindowTimeOperator(windowTimeSpan, windowCreationInterval, maxWindowSize, scheduler) {
this.windowTimeSpan = windowTimeSpan;
this.windowCreationInterval = windowCreationInterval;
this.maxWindowSize = maxWindowSize;
this.scheduler = scheduler;
}
WindowTimeOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new WindowTimeSubscriber(subscriber, this.windowTimeSpan, this.windowCreationInterval, this.maxWindowSize, this.scheduler));
};
return WindowTimeOperator;
}());
var CountedSubject = (function (_super) {
__extends(CountedSubject, _super);
function CountedSubject() {
_super.apply(this, arguments);
this._numberOfNextedValues = 0;
}
CountedSubject.prototype.next = function (value) {
this._numberOfNextedValues++;
_super.prototype.next.call(this, value);
};
Object.defineProperty(CountedSubject.prototype, "numberOfNextedValues", {
get: function () {
return this._numberOfNextedValues;
},
enumerable: true,
configurable: true
});
return CountedSubject;
}(Subject_1.Subject));
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
var WindowTimeSubscriber = (function (_super) {
__extends(WindowTimeSubscriber, _super);
function WindowTimeSubscriber(destination, windowTimeSpan, windowCreationInterval, maxWindowSize, scheduler) {
_super.call(this, destination);
this.destination = destination;
this.windowTimeSpan = windowTimeSpan;
this.windowCreationInterval = windowCreationInterval;
this.maxWindowSize = maxWindowSize;
this.scheduler = scheduler;
this.windows = [];
var window = this.openWindow();
if (windowCreationInterval !== null && windowCreationInterval >= 0) {
var closeState = { subscriber: this, window: window, context: null };
var creationState = { windowTimeSpan: windowTimeSpan, windowCreationInterval: windowCreationInterval, subscriber: this, scheduler: scheduler };
this.add(scheduler.schedule(dispatchWindowClose, windowTimeSpan, closeState));
this.add(scheduler.schedule(dispatchWindowCreation, windowCreationInterval, creationState));
}
else {
var timeSpanOnlyState = { subscriber: this, window: window, windowTimeSpan: windowTimeSpan };
this.add(scheduler.schedule(dispatchWindowTimeSpanOnly, windowTimeSpan, timeSpanOnlyState));
}
}
WindowTimeSubscriber.prototype._next = function (value) {
var windows = this.windows;
var len = windows.length;
for (var i = 0; i < len; i++) {
var window_1 = windows[i];
if (!window_1.closed) {
window_1.next(value);
if (window_1.numberOfNextedValues >= this.maxWindowSize) {
this.closeWindow(window_1);
}
}
}
};
WindowTimeSubscriber.prototype._error = function (err) {
var windows = this.windows;
while (windows.length > 0) {
windows.shift().error(err);
}
this.destination.error(err);
};
WindowTimeSubscriber.prototype._complete = function () {
var windows = this.windows;
while (windows.length > 0) {
var window_2 = windows.shift();
if (!window_2.closed) {
window_2.complete();
}
}
this.destination.complete();
};
WindowTimeSubscriber.prototype.openWindow = function () {
var window = new CountedSubject();
this.windows.push(window);
var destination = this.destination;
destination.next(window);
return window;
};
WindowTimeSubscriber.prototype.closeWindow = function (window) {
window.complete();
var windows = this.windows;
windows.splice(windows.indexOf(window), 1);
};
return WindowTimeSubscriber;
}(Subscriber_1.Subscriber));
function dispatchWindowTimeSpanOnly(state) {
var subscriber = state.subscriber, windowTimeSpan = state.windowTimeSpan, window = state.window;
if (window) {
subscriber.closeWindow(window);
}
state.window = subscriber.openWindow();
this.schedule(state, windowTimeSpan);
}
function dispatchWindowCreation(state) {
var windowTimeSpan = state.windowTimeSpan, subscriber = state.subscriber, scheduler = state.scheduler, windowCreationInterval = state.windowCreationInterval;
var window = subscriber.openWindow();
var action = this;
var context = { action: action, subscription: null };
var timeSpanState = { subscriber: subscriber, window: window, context: context };
context.subscription = scheduler.schedule(dispatchWindowClose, windowTimeSpan, timeSpanState);
action.add(context.subscription);
action.schedule(state, windowCreationInterval);
}
function dispatchWindowClose(state) {
var subscriber = state.subscriber, window = state.window, context = state.context;
if (context && context.action && context.subscription) {
context.action.remove(context.subscription);
}
subscriber.closeWindow(window);
}
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