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60 lines
2.3 KiB
JavaScript
60 lines
2.3 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2014-2015, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT Web is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT Web includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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/*global define*/
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/**
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* This bundle implements "containment" rules, which determine which objects
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* can be contained within which other objects.
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* @namespace platform/containment
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*/
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define(
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['./ContainmentTable'],
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function (ContainmentTable) {
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"use strict";
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/**
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* Defines composition policy as driven by type metadata.
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* @constructor
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* @memberof platform/containment
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* @implements {Policy.<Type, Type>}
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*/
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function CompositionPolicy($injector) {
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// We're really just wrapping the containment table and rephrasing
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// it as a policy decision.
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var table;
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this.getTable = function () {
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return (table = table || new ContainmentTable(
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$injector.get('typeService'),
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$injector.get('capabilityService')
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));
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};
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}
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CompositionPolicy.prototype.allow = function (candidate, context) {
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return this.getTable().canContain(candidate, context);
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};
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return CompositionPolicy;
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}
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);
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