88 lines
3.3 KiB
JavaScript
88 lines
3.3 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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define(
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[
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"uuid",
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"./CopyTask"
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],
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function (uuid, CopyTask) {
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"use strict";
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/**
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* CopyService provides an interface for deep copying objects from one
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* location to another. It also provides a method for determining if
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* an object can be copied to a specific location.
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* @constructor
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* @memberof platform/entanglement
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* @implements {platform/entanglement.AbstractComposeService}
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*/
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function CopyService($q, creationService, policyService, persistenceService, now) {
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this.$q = $q;
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this.creationService = creationService;
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this.policyService = policyService;
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this.persistenceService = persistenceService;
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this.now = now;
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}
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CopyService.prototype.validate = function (object, parentCandidate) {
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if (!parentCandidate || !parentCandidate.getId) {
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return false;
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}
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if (parentCandidate.getId() === object.getId()) {
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return false;
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}
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return this.policyService.allow(
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"composition",
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parentCandidate.getCapability('type'),
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object.getCapability('type')
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);
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};
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/**
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* Creates a duplicate of the object tree starting at domainObject to
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* the new parent specified.
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* @param domainObject
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* @param parent
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* @param progress
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* @returns a promise that will be completed with the clone of
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* domainObject when the duplication is successful.
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*/
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CopyService.prototype.perform = function (domainObject, parent) {
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var $q = this.$q,
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copyTask = new CopyTask(domainObject, parent, this.persistenceService, this.policyService, this.$q, this.now);
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if (this.validate(domainObject, parent)) {
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return copyTask.perform();
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} else {
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throw new Error(
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"Tried to copy objects without validating first."
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);
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}
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};
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return CopyService;
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}
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);
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