ui5.datasource.js

(function($, undefined) {
    $.ui5 = $.ui5 || {};

    function DataSource(options) {
        var that = this;

        that.idMap = {};

        $.extend(that, options);
    }

    DataSource.prototype = {
        load: function() {
            var that = this;

            that.transport.read(function(result) {
                var idx, length, data, id = that.reader.id;

                that.data = data = that.reader.data(result);

                if (id) {
                    for (idx = 0, length = data.length; idx < length; idx++) {
                        that.idMap[id(data[idx])] = idx;
                    }
                } else {
                    for (idx = 0, length = data.length; idx < length; idx++) {
                        that.idMap[idx] = idx;
                    }
                }
            });
        },
        find: function(id) {
            return this.data[this.idMap[id]];
        }
    }

    $.extend($.ui5, {
        DataSource: DataSource
    });
})(jQuery);