openmct/example/eventGenerator/src/EventTelemetry.js

63 lines
2.4 KiB
JavaScript

/*****************************************************************************
* Open MCT Web, Copyright (c) 2014-2015, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT Web is licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* Open MCT Web includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
* at runtime from the About dialog for additional information.
*****************************************************************************/
/*global define */
/**
* Module defining EventTelemetry.
* Created by chacskaylo on 06/18/2015.
* Modified by shale on 06/23/2015.
*/
define(
['text!../data/transcript.json'],
function (transcript) {
"use strict";
var firstObservedTime = Date.now(),
messages = JSON.parse(transcript);
function EventTelemetry(request, interval) {
var latestObservedTime = Date.now(),
count = Math.floor((latestObservedTime - firstObservedTime) / interval),
generatorData = {};
generatorData.getPointCount = function () {
return count;
};
generatorData.getDomainValue = function (i, domain) {
return i * interval +
(domain !== 'delta' ? firstObservedTime : 0);
};
generatorData.getRangeValue = function (i, range) {
var domainDelta = this.getDomainValue(i) - firstObservedTime,
ind = i % messages.length;
return messages[ind] + " - [" + domainDelta.toString() + "]";
};
return generatorData;
}
return EventTelemetry;
}
);