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https://github.com/nasa/openmct.git
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254 lines
11 KiB
JavaScript
254 lines
11 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2020, 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 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 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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import _ from 'lodash';
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import Condition from "./Condition";
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import uuid from "uuid";
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import * as EventEmitter from 'eventemitter3';
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export default class ConditionManager extends EventEmitter {
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constructor(domainObject, openmct) {
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super();
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this.domainObject = domainObject;
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this.openmct = openmct;
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this.timeAPI = this.openmct.time;
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this.instantiate = this.openmct.$injector.get('instantiate');
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this.initialize();
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}
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initialize() {
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this.conditionResults = {};
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this.openmct.objects.get(this.domainObject.identifier).then((obj) => {
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this.observeForChanges(obj);
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this.conditionCollection = [];
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if (this.domainObject.configuration.conditionCollection.length) {
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this.domainObject.configuration.conditionCollection.forEach((conditionConfigurationId, index) => {
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this.openmct.objects.get(conditionConfigurationId).then((conditionConfiguration) => {
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this.initCondition(conditionConfiguration, index)
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});
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});
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} else {
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this.addCondition(true);
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}
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});
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}
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observeForChanges(domainObject) {
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//TODO: Observe only the conditionCollection property instead of the whole domainObject
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this.stopObservingForChanges = this.openmct.objects.observe(domainObject, '*', this.handleConditionCollectionUpdated.bind(this));
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}
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handleConditionCollectionUpdated(newDomainObject) {
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let oldConditionIdentifiers = this.domainObject.configuration.conditionCollection.map((conditionConfigurationId) => {
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return this.openmct.objects.makeKeyString(conditionConfigurationId);
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});
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let newConditionIdentifiers = newDomainObject.configuration.conditionCollection.map((conditionConfigurationId) => {
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return this.openmct.objects.makeKeyString(conditionConfigurationId);
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});
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this.domainObject = newDomainObject;
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//check for removed conditions
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oldConditionIdentifiers.forEach((identifier, index) => {
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if (newConditionIdentifiers.indexOf(identifier) < 0) {
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this.removeCondition(identifier);
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}
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});
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let newConditionCount = this.domainObject.configuration.conditionCollection.length - this.conditionCollection.length;
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for (let i = 0; i < newConditionCount; i++) {
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let conditionConfigurationId = this.domainObject.configuration.conditionCollection[i];
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this.openmct.objects.get(conditionConfigurationId).then((conditionConfiguration) => {
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this.initCondition(conditionConfiguration, i);
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});
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}
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}
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initCondition(conditionConfiguration, index) {
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let condition = new Condition(conditionConfiguration, this.openmct);
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condition.on('conditionResultUpdated', this.handleConditionResult.bind(this));
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if (index !== undefined) {
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this.conditionCollection.splice(index + 1, 0, condition);
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} else {
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this.conditionCollection.unshift(condition);
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}
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//There are no criteria for a default condition and hence no subscriptions.
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//Hence the conditionResult must be manually triggered for it.
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if (conditionConfiguration.isDefault) {
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this.handleConditionResult();
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}
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}
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createConditionDomainObject(isDefault, conditionConfiguration) {
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let conditionObj;
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if (conditionConfiguration) {
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conditionObj = {
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...conditionConfiguration,
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name: `Copy of ${conditionConfiguration.name}`,
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identifier: {
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...this.domainObject.identifier,
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key: uuid()
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}
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};
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} else {
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conditionObj = {
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isDefault: isDefault,
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type: 'condition',
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name: isDefault ? 'Default' : 'Unnamed Condition',
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identifier: {
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...this.domainObject.identifier,
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key: uuid()
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},
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configuration: {
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name: isDefault ? 'Default' : 'Unnamed Condition',
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output: 'false',
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trigger: 'any',
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criteria: isDefault ? [] : [{
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telemetry: '',
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operation: '',
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input: [],
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metadata: ''
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}]
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},
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summary: ''
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};
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}
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let conditionDomainObjectKeyString = this.openmct.objects.makeKeyString(conditionObj.identifier);
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let newDomainObject = this.instantiate(conditionObj, conditionDomainObjectKeyString);
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return newDomainObject.useCapability('adapter');
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}
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addCondition(isDefault, index) {
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this.createAndSaveConditionDomainObject(!!isDefault, index);
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}
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cloneCondition(conditionConfigurationId, index) {
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this.openmct.objects.get(conditionConfigurationId).then((conditionConfiguration) => {
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this.createAndSaveConditionDomainObject(false, index, conditionConfiguration);
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});
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}
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createAndSaveConditionDomainObject(isDefault, index, conditionConfiguration) {
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let newConditionDomainObject = this.createConditionDomainObject(isDefault, conditionConfiguration);
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//persist the condition domain object so that we can do an openmct.objects.get on it and only persist the identifier in the conditionCollection of conditionSet
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this.openmct.objects.mutate(newConditionDomainObject, 'created', new Date());
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if (index !== undefined) {
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this.domainObject.configuration.conditionCollection.splice(index + 1, 0, newConditionDomainObject.identifier);
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} else {
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this.domainObject.configuration.conditionCollection.unshift(newConditionDomainObject.identifier);
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}
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this.persist();
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}
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removeCondition(identifier) {
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let found = this.findConditionById(identifier);
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if (found) {
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let index = found.index;
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let condition = this.conditionCollection[index];
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let conditionIdAsString = condition.id;
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condition.destroyCriteria();
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condition.off('conditionResultUpdated', this.handleConditionResult.bind(this));
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this.conditionCollection.splice(index, 1);
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this.domainObject.configuration.conditionCollection.splice(index, 1);
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if (this.conditionResults[conditionIdAsString] !== undefined) {
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delete this.conditionResults[conditionIdAsString];
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}
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this.persist();
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this.handleConditionResult();
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}
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}
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findConditionById(identifier) {
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let found;
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for (let i=0, ii=this.conditionCollection.length; i < ii; i++) {
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if (this.conditionCollection[i].id === this.openmct.objects.makeKeyString(identifier)) {
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found = {
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item: this.conditionCollection[i],
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index: i
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};
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break;
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}
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}
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return found;
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}
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//this.$set(this.conditionCollection, reorderEvent.newIndex, oldConditions[reorderEvent.oldIndex]);
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reorderConditions(reorderPlan) {
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let oldConditions = Array.from(this.domainObject.configuration.conditionCollection);
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let newCollection = [];
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reorderPlan.forEach((reorderEvent) => {
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let item = oldConditions[reorderEvent.oldIndex];
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newCollection.push(item);
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this.domainObject.configuration.conditionCollection = newCollection;
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});
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this.persist();
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}
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handleConditionResult(resultObj) {
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let conditionCollection = this.domainObject.configuration.conditionCollection;
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let currentConditionIdentifier = conditionCollection[conditionCollection.length-1];
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// This sets timestamps for the default condition
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let currentConditionResult = resultObj ? resultObj.data : {};
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if (resultObj) {
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let idAsString = this.openmct.objects.makeKeyString(resultObj.id);
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if (this.findConditionById(idAsString)) {
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this.conditionResults[idAsString] = resultObj.data;
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}
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}
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for (let i = 0; i < conditionCollection.length - 1; i++) {
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let conditionIdAsString = this.openmct.objects.makeKeyString(conditionCollection[i]);
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if (this.conditionResults[conditionIdAsString] && this.conditionResults[conditionIdAsString].result) {
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//first condition to be true wins
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currentConditionIdentifier = conditionCollection[i];
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currentConditionResult = this.conditionResults[conditionIdAsString];
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break;
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}
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}
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this.openmct.objects.get(currentConditionIdentifier).then((obj) => {
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this.emit('conditionSetResultUpdated',
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Object.assign(currentConditionResult, {output: obj.configuration.output})
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)
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});
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}
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persist() {
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this.openmct.objects.mutate(this.domainObject, 'configuration.conditionCollection', this.domainObject.configuration.conditionCollection);
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}
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destroy() {
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if (typeof this.stopObservingForChanges === 'function') {
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this.stopObservingForChanges();
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}
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this.conditionCollection.forEach((condition) => {
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condition.off('conditionResultUpdated', this.handleConditionResult);
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condition.destroy();
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})
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}
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}
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