bugcore/lib/query/Query.js

bugcore is a JavaScript library that provides a foundational architecture for object oriented JS

/*
 * Copyright (c) 2016 airbug Inc. http://airbug.com
 *
 * bugcore may be freely distributed under the MIT license.
 */


//-------------------------------------------------------------------------------
// Annotations
//-------------------------------------------------------------------------------

//@Export('Query')

//@Require('ArgumentBug')
//@Require('Class')
//@Require('ICondition')
//@Require('Obj')
//@Require('Set')


//-------------------------------------------------------------------------------
// Context
//-------------------------------------------------------------------------------

require('bugpack').context("*", function(bugpack) {

    //-------------------------------------------------------------------------------
    // BugPack
    //-------------------------------------------------------------------------------

    var ArgumentBug     = bugpack.require('ArgumentBug');
    var Class           = bugpack.require('Class');
    var ICondition      = bugpack.require('ICondition');
    var Obj             = bugpack.require('Obj');
    var Set             = bugpack.require('Set');


    //-------------------------------------------------------------------------------
    // Declare Class
    //-------------------------------------------------------------------------------

    /**
     * @class
     * @extends {Obj}
     */
    var Query = Class.extend(Obj, {

        _name: "Query",


        //-------------------------------------------------------------------------------
        // Constructor
        //-------------------------------------------------------------------------------

        /**
         * @constructs
         */
        _constructor: function() {

            this._super();


            //-------------------------------------------------------------------------------
            // Private Properties
            //-------------------------------------------------------------------------------

            /**
             * @private
             * @type {Set.<ICondition>}
             */
            this.conditionSet   = new Set();
        },


        //-------------------------------------------------------------------------------
        // Getters and Setters
        //-------------------------------------------------------------------------------

        /**
         * @return {Set.<ICondition>}
         */
        getConditionSet: function() {
            return this.conditionSet;
        },


        //-------------------------------------------------------------------------------
        // Public Methods
        //-------------------------------------------------------------------------------

        /**
         * @param {ICondition} condition
         */
        addCondition: function(condition) {
            if (!Class.doesImplement(condition, ICondition)) {
                throw new ArgumentBug(ArgumentBug.ILLEGAL, "condition", condition, "parameter must implement ICondition");
            }
            if (!this.conditionSet.contains(condition)) {
                this.conditionSet.add(condition);
            }
        },

        /**
         * @param {*} value
         * @return {boolean}
         */
        run: function(value) {
            var conditionArray = this.conditionSet.toArray();
            for (var i = 0, size = conditionArray.length; i < size; i++) {
                var condition = conditionArray[i];
                var result = condition.check(value);
                if (!result) {
                    return false;
                }
            }
            return true;
        }
    });


    //-------------------------------------------------------------------------------
    // Exports
    //-------------------------------------------------------------------------------

    bugpack.export('Query', Query);
});