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Merge branch 'master' into open671
Conflicts: main.js platform/commonUI/edit/src/policies/EditableMovePolicy.js platform/commonUI/general/src/directives/MCTTree.js platform/commonUI/general/src/ui/ToggleView.js platform/core/src/actions/ActionCapability.js platform/core/test/models/CachingModelDecoratorSpec.js platform/core/test/services/InstantiateSpec.js platform/features/events/bundle.js platform/features/events/src/DomainColumn.js platform/features/events/src/EventListController.js platform/features/events/src/EventListPopulator.js platform/features/events/src/RangeColumn.js platform/features/events/src/directives/MCTDataTable.js platform/features/events/src/policies/MessagesViewPolicy.js platform/features/events/test/DomainColumnSpec.js platform/features/events/test/EventListControllerSpec.js platform/features/events/test/EventListPopulatorSpec.js platform/features/events/test/RangeColumnSpec.js platform/features/events/test/policies/MessagesViewPolicySpec.js platform/features/rtevents/bundle.js platform/features/rtevents/src/DomainColumn.js platform/features/rtevents/src/RTEventListController.js platform/features/rtevents/src/RangeColumn.js platform/features/rtevents/src/directives/MCTRTDataTable.js platform/features/rtevents/src/policies/RTMessagesViewPolicy.js platform/features/rtevents/test/DomainColumnSpec.js platform/features/rtevents/test/RTEventListControllerSpec.js platform/features/rtevents/test/RangeColumnSpec.js platform/features/rtevents/test/policies/RTMessagesViewPolicySpec.js platform/features/rtscrolling/bundle.js platform/features/rtscrolling/src/DomainColumn.js platform/features/rtscrolling/src/NameColumn.js platform/features/rtscrolling/src/RTScrollingListController.js platform/features/rtscrolling/src/RangeColumn.js platform/features/scrolling/src/DomainColumn.js platform/features/scrolling/src/RangeColumn.js platform/features/scrolling/src/ScrollingListController.js platform/features/scrolling/src/ScrollingListPopulator.js platform/features/scrolling/test/DomainColumnSpec.js platform/features/scrolling/test/RangeColumnSpec.js platform/features/scrolling/test/ScrollingListControllerSpec.js platform/features/scrolling/test/ScrollingListPopulatorSpec.js platform/features/table/src/directives/MCTTable.js platform/features/table/test/controllers/TelemetryTableControllerSpec.js platform/representation/src/gestures/DropGesture.js platform/telemetry/src/TelemetryFormatter.js test-main.js
This commit is contained in:
@ -33,9 +33,8 @@ define(
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* @param {ModelService} modelService this service to decorate
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* @implements {ModelService}
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*/
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function CachingModelDecorator(modelService) {
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this.cache = {};
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this.cached = {};
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function CachingModelDecorator(cacheService, modelService) {
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this.cacheService = cacheService;
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this.modelService = modelService;
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}
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@ -49,17 +48,16 @@ define(
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}
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CachingModelDecorator.prototype.getModels = function (ids) {
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var cache = this.cache,
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cached = this.cached,
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var cacheService = this.cacheService,
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neededIds = ids.filter(function notCached(id) {
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return !cached[id];
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return !cacheService.has(id);
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});
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// Update the cached instance of a model to a new value.
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// We update in-place to ensure there is only ever one instance
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// of any given model exposed by the modelService as a whole.
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function updateModel(id, model) {
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var oldModel = cache[id];
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var oldModel = cacheService.get(id);
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// Same object instance is a possibility, so don't copy
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if (oldModel === model) {
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@ -69,7 +67,7 @@ define(
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// If we'd previously cached an undefined value, or are now
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// seeing undefined, replace the item in the cache entirely.
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if (oldModel === undefined || model === undefined) {
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cache[id] = model;
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cacheService.put(id, model);
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return model;
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}
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@ -89,15 +87,15 @@ define(
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// Store the provided models in our cache
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function cacheAll(models) {
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Object.keys(models).forEach(function (id) {
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cache[id] = cached[id] ?
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var model = cacheService.has(id) ?
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updateModel(id, models[id]) : models[id];
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cached[id] = true;
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cacheService.put(id, model);
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});
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}
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// Expose the cache (for promise chaining)
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function giveCache() {
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return cache;
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return cacheService.all();
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}
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// Look up if we have unknown IDs
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@ -108,7 +106,7 @@ define(
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}
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// Otherwise, just expose the cache directly
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return fastPromise(cache);
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return fastPromise(cacheService.all());
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};
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return CachingModelDecorator;
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83
platform/core/src/models/ModelCacheService.js
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83
platform/core/src/models/ModelCacheService.js
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@ -0,0 +1,83 @@
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/*****************************************************************************
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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([], function () {
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'use strict';
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/**
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* Provides a cache for domain object models which exist in memory,
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* but may or may not exist in backing persistene stores.
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* @constructor
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* @memberof platform/core
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*/
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function ModelCacheService() {
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this.cache = {};
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}
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/**
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* Put a domain object model in the cache.
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* @param {string} id the domain object's identifier
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* @param {object} model the domain object's model
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*/
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ModelCacheService.prototype.put = function (id, model) {
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this.cache[id] = model;
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};
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/**
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* Retrieve a domain object model from the cache.
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* @param {string} id the domain object's identifier
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* @returns {object} the domain object's model
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*/
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ModelCacheService.prototype.get = function (id) {
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return this.cache[id];
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};
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/**
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* Check if a domain object model is in the cache.
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* @param {string} id the domain object's identifier
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* @returns {boolean} true if present; false if not
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*/
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ModelCacheService.prototype.has = function (id) {
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return this.cache.hasOwnProperty(id);
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};
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/**
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* Remove a domain object model from the cache.
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* @param {string} id the domain object's identifier
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*/
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ModelCacheService.prototype.remove = function (id) {
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delete this.cache[id];
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};
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/**
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* Retrieve all cached domain object models. These are given
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* as an object containing key-value pairs, where keys are
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* domain object identifiers and values are domain object models.
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* @returns {object} all domain object models
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*/
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ModelCacheService.prototype.all = function () {
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return this.cache;
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};
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return ModelCacheService;
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});
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