ng-jhipster/src/service/event-manager.service.js

A Jhipster util library for Angular 2

/*
 * Copyright 2016 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { Injectable } from '@angular/core';
import { Observable } from 'rxjs/Rx';
/**
 * An utily class to manage RX events
 */
export var EventManager = (function () {
    function EventManager() {
        var _this = this;
        this.observable = Observable.create(function (observer) {
            _this.observer = observer;
        }).share();
    }
    /**
     * Method to broadcast the event to observer
     */
    EventManager.prototype.broadcast = function (event) {
        this.observer.next(event);
    };
    /**
     * Method to subscribe to an event with callback
     */
    EventManager.prototype.subscribe = function (eventName, callback) {
        var subscriber = this.observable.filter(function (event) {
            return event.name === eventName;
        }).subscribe(callback);
        return subscriber;
    };
    /**
     * Method to unsubscribe the subscribion
     */
    EventManager.prototype.destroy = function (subscriber) {
        subscriber.unsubscribe();
    };
    EventManager.decorators = [
        { type: Injectable },
    ];
    /** @nocollapse */
    EventManager.ctorParameters = function () { return []; };
    return EventManager;
}());