tsbase/Patterns/Observable/Observable.js

Base class libraries for TypeScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Observable = void 0;
const Guid_1 = require("../../System/Guid");
const Command_1 = require("../CommandQuery/Command");
const BaseObservable_1 = require("./BaseObservable");
class Observable extends BaseObservable_1.BaseObservable {
    Subscribe(func, useCurrentIssue = true) {
        const subscriptionId = Guid_1.Guid.NewGuid();
        this.subscribers.set(subscriptionId, func);
        if (useCurrentIssue && this.CurrentIssue) {
            func(this.CurrentIssue);
        }
        return subscriptionId;
    }
    Order(func, useCurrentIssue = true) {
        const subscriptionId = Guid_1.Guid.NewGuid();
        const orderFunction = (content) => {
            func(content);
            this.Cancel(subscriptionId);
        };
        this.subscribers.set(subscriptionId, orderFunction);
        if (useCurrentIssue && this.CurrentIssue) {
            orderFunction(this.CurrentIssue);
        }
    }
    Publish(content) {
        if (this.active) {
            this.CurrentIssue = content;
            for (const element of this.subscribers) {
                const key = element[0];
                const func = element[1];
                const result = new Command_1.Command(() => func(content)).Execute();
                if (!result.IsSuccess) {
                    this.Cancel(key);
                }
            }
        }
    }
}
exports.Observable = Observable;
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