openmct/platform/telemetry/src/TelemetryTable.js
2018-05-14 15:46:17 -07:00

58 lines
2.1 KiB
JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2014-2018, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT 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 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.
*****************************************************************************/
define(
[],
function () {
/**
* Supports TelemetrySubscription. Provides a simple data structure
* (with a pool-like interface) that aggregates key-value pairs into
* one large object, overwriting new values as necessary. Stands
* in contrast to the TelemetryQueue, which will avoid overwriting
* values.
* @memberof platform/telemetry
* @constructor
* @implements {platform/telemetry.TelemetryPool}
*/
function TelemetryTable() {
}
TelemetryTable.prototype.isEmpty = function () {
return !this.table;
};
TelemetryTable.prototype.poll = function () {
var t = this.table;
this.table = undefined;
return t;
};
TelemetryTable.prototype.put = function (key, value) {
this.table = this.table || {};
this.table[key] = value;
};
return TelemetryTable;
}
);