/**
* @classdesc This datasource provides parsing to chart data.
* Data has to be under the format : ISODATE,X,Y,
* @class
* @inheritdoc
*/
OSH.DataReceiver.Chart = Class.create(OSH.DataReceiver.DataSource,{
/**
* Extracts timestamp from the data. The timestamp is the first token got from split(',')
* @override
* @inheritdoc
* @param {function} $super the parseTimeStamp super method
* @param {string} data the data to parse
* @returns {number} the extracted timestamp
* @memberof OSH.DataReceiver.Chart
* @instance
*/
parseTimeStamp: function($super,data){
var rec = String.fromCharCode.apply(null, new Uint8Array(data));
var tokens = rec.trim().split(",");
var t = new Date(tokens[0]).getTime();
return t;
},
/**
* Extract data from the message. This split over ",".
* @override
* @inheritdoc
* @param {function} $super the parseData super method
* @param {Object} data the data to parse
* @returns {Array} the parsed data as an array of tokens
* @memberof OSH.DataReceiver.Chart
* @instance
*/
parseData: function($super,data){
var rec = String.fromCharCode.apply(null, new Uint8Array(data));
var tokens = rec.trim().split(",");
//skip time
tokens.shift();
return tokens;
}
});