bugcore
Version:
bugcore is a JavaScript library that provides a foundational architecture for object oriented JS
174 lines (135 loc) • 5.14 kB
JavaScript
/*
* Copyright (c) 2016 airbug Inc. http://airbug.com
*
* bugcore may be freely distributed under the MIT license.
*/
//-------------------------------------------------------------------------------
// Annotations
//-------------------------------------------------------------------------------
//@Export('Parallel')
//@Require('Class')
//@Require('Flow')
//@Require('Throwables')
//-------------------------------------------------------------------------------
// Context
//-------------------------------------------------------------------------------
require('bugpack').context("*", function(bugpack) {
//-------------------------------------------------------------------------------
// BugPack
//-------------------------------------------------------------------------------
var Class = bugpack.require('Class');
var Flow = bugpack.require('Flow');
var Throwables = bugpack.require('Throwables');
//-------------------------------------------------------------------------------
// Declare Class
//-------------------------------------------------------------------------------
/**
* @class
* @extends {Flow}
*/
var Parallel = Class.extend(Flow, {
_name: "Parallel",
//-------------------------------------------------------------------------------
// Constructor
//-------------------------------------------------------------------------------
/**
* @constructs
*/
_constructor: function() {
this._super();
//-------------------------------------------------------------------------------
// Private Properties
//-------------------------------------------------------------------------------
/**
* @private
* @type {ParallelException}
*/
this.exception = null;
/**
* @private
* @type {Array.<FlowBuilder>}
*/
this.flowBuilderArray = [];
/**
* @private
* @type {number}
*/
this.numberComplete = 0;
},
//-------------------------------------------------------------------------------
// Init Methods
//-------------------------------------------------------------------------------
/**
* @param {Array.<FlowBuilder>} flowBuilderArray
* @return {Parallel}
*/
init: function(flowBuilderArray) {
this._super();
this.flowBuilderArray = flowBuilderArray;
return this;
},
//-------------------------------------------------------------------------------
// Getters and Setters
//-------------------------------------------------------------------------------
/**
* @return {Array.<FlowBuilder>}
*/
getFlowBuilderArray: function() {
return this.flowBuilderArray;
},
//-------------------------------------------------------------------------------
// Flow Methods
//-------------------------------------------------------------------------------
/**
* @protected
* @param {Array.<*>} flowArgs
*/
executeFlow: function(flowArgs) {
this._super(flowArgs);
var _this = this;
if (this.flowBuilderArray.length > 0) {
this.flowBuilderArray.forEach(function(flowBuilder) {
flowBuilder.execute(flowArgs, function(throwable) {
_this.flowCallback(throwable);
});
});
} else {
this.complete();
}
},
//-------------------------------------------------------------------------------
// Private Methods
//-------------------------------------------------------------------------------
/**
* @private
* @param {Throwable=} throwable
*/
flowCallback: function(throwable) {
this.numberComplete++;
if (throwable) {
this.processThrowable(throwable);
}
if (this.numberComplete >= this.flowBuilderArray.length) {
if (!this.exception) {
this.complete();
} else {
this.error(this.exception);
}
}
},
/**
* @private
* @param {Throwable} throwable
*/
processThrowable: function(throwable) {
if (!this.exception) {
this.exception = Throwables.parallelException();
}
this.exception.addCause(throwable);
}
});
//-------------------------------------------------------------------------------
// Export
//-------------------------------------------------------------------------------
bugpack.export('Parallel', Parallel);
});