libraries/bugcore/js/src/observable/ObservationPropagator.js
/*
* Copyright (c) 2016 airbug Inc. http://airbug.com
*
* bugcore may be freely distributed under the MIT license.
*/
//-------------------------------------------------------------------------------
// Annotations
//-------------------------------------------------------------------------------
//@Export('ObservationPropagator')
//@Require('Class')
//@Require('IObservationPropagator')
//@Require('List')
//@Require('Obj')
//-------------------------------------------------------------------------------
// Context
//-------------------------------------------------------------------------------
require('bugpack').context("*", function(bugpack) {
//-------------------------------------------------------------------------------
// BugPack
//-------------------------------------------------------------------------------
var Class = bugpack.require('Class');
var IObservationPropagator = bugpack.require('IObservationPropagator');
var List = bugpack.require('List');
var Obj = bugpack.require('Obj');
//-------------------------------------------------------------------------------
// Declare Class
//-------------------------------------------------------------------------------
/**
* @constructor
* @extends {Obj}
* @implements {IObservationPropagator}
*/
var ObservationPropagator = Class.extend(Obj, {
_name: "ObservationPropagator",
//-------------------------------------------------------------------------------
// Constructor
//-------------------------------------------------------------------------------
/**
* @constructs
*/
_constructor: function() {
this._super();
//-------------------------------------------------------------------------------
// Private Properties
//-------------------------------------------------------------------------------
/**
* @private
* @type {List.<IObservationPropagator>}
*/
this.observationPropagatorList = new List();
},
//-------------------------------------------------------------------------------
// Getters and Setters
//-------------------------------------------------------------------------------
/**
* @return {List.<IObservationPropagator>}
*/
getObservationPropagatorList: function() {
return this.observationPropagatorList;
},
//-------------------------------------------------------------------------------
// IObservationPropagator Implementation
//-------------------------------------------------------------------------------
/**
* @param {IObservationPropagator} observationPropagator
*/
addObservationPropagator: function(observationPropagator) {
if (!this.observationPropagatorList.contains(observationPropagator)) {
this.observationPropagatorList.add(observationPropagator);
}
},
/**
* @param {Change} change
*/
propagateObservation: function(change) {
this.observationPropagatorList.forEach(function(observationPropagator) {
observationPropagator.propagateObservation(change);
});
},
/**
* @param {IObservationPropagator} observationPropagator
*/
removeObservationPropagator: function(observationPropagator) {
if (this.observationPropagatorList.contains(observationPropagator)) {
this.observationPropagatorList.remove(observationPropagator);
}
}
});
//-------------------------------------------------------------------------------
// Interfaces
//-------------------------------------------------------------------------------
Class.implement(ObservationPropagator, IObservationPropagator);
//-------------------------------------------------------------------------------
// Exports
//-------------------------------------------------------------------------------
bugpack.export('ObservationPropagator', ObservationPropagator);
});