openmct/platform/containment/src/CompositionMutabilityPolicy.js
Shefali Joshi cf3566742b
Updates copyright year to 2021 (#3699)
Co-authored-by: Deep Tailor <deep.j.tailor@nasa.gov>
Co-authored-by: Andrew Henry <akhenry@gmail.com>
2021-03-29 09:56:52 -07:00

46 lines
1.8 KiB
JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2014-2021, 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 () {
/**
* Disallow composition changes to objects which are not mutable.
* @memberof platform/containment
* @constructor
* @implements {Policy.<Type, Type>}
*/
function CompositionMutabilityPolicy() {
}
CompositionMutabilityPolicy.prototype.allow = function (candidate) {
// Equate creatability with mutability; that is, users
// can only modify objects of types they can create, and
// vice versa.
return candidate.getCapability('type').hasFeature('creation');
};
return CompositionMutabilityPolicy;
}
);