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Evaluate telemetry criterion results and display the output of conditions accordingly

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This commit is contained in:
Joshi 2020-01-23 12:08:28 -08:00
parent 0bf3597147
commit 23aaada79d
5 changed files with 89 additions and 22 deletions
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45
src/plugins/condition/Condition.js
View File

@ -24,6 +24,7 @@ import * as EventEmitter from 'eventemitter3';
import uuid from 'uuid';
import TelemetryCriterion from "@/plugins/condition/criterion/TelemetryCriterion";
import { TRIGGER } from "@/plugins/condition/utils/constants";
import {computeConditionForAll, computeConditionForAny} from "@/plugins/condition/utils/evaluator";
/*
* conditionDefinition = {
@ -56,6 +57,7 @@ export default class ConditionClass extends EventEmitter {
this.openmct = openmct;
this.id = this.openmct.objects.makeKeyString(conditionDefinition.identifier);
this.criteria = [];
this.criteriaResults = {};
if (conditionDefinition.definition.criteria) {
this.createCriteria(conditionDefinition.definition.criteria);
}
@ -69,15 +71,13 @@ export default class ConditionClass extends EventEmitter {
}
update(newDomainObject) {
console.log('ConditionClass: ', newDomainObject.definition);
this.updateTrigger(newDomainObject.definition.trigger);
this.updateCriteria(newDomainObject.definition.criteria);
this.handleConditionUpdated();
}
updateTrigger(conditionDefinition) {
if (this.trigger !== conditionDefinition.trigger) {
this.trigger = conditionDefinition.trigger;
updateTrigger(trigger) {
if (this.trigger !== trigger) {
this.trigger = trigger;
this.handleConditionUpdated();
}
}
@ -110,6 +110,7 @@ export default class ConditionClass extends EventEmitter {
let criterionDefinitionWithId = this.generateCriterion(criterionDefinition || null);
let criterion = new TelemetryCriterion(criterionDefinitionWithId, this.openmct);
criterion.on('criterionUpdated', (obj) => this.handleCriterionUpdated(obj));
criterion.on('criterionResultUpdated', (obj) => this.handleCriterionResult(obj));
if (!this.criteria) {
this.criteria = [];
}
@ -139,12 +140,17 @@ export default class ConditionClass extends EventEmitter {
if (found) {
const newCriterionDefinition = this.generateCriterion(criterionDefinition);
let newCriterion = new TelemetryCriterion(newCriterionDefinition, this.openmct);
newCriterion.on('criterionUpdated', (obj) => this.handleCriterionUpdated(obj));
newCriterion.on('criterionResultUpdated', (obj) => this.handleCriterionResult(obj));
let criterion = found.item;
criterion.unsubscribe();
criterion.off('criterionUpdated', (result) => {
this.handleCriterionUpdated(id, result);
});
criterion.off('criterionUpdated', (obj) => this.handleCriterionUpdated(obj));
criterion.off('criterionResultUpdated', (obj) => this.handleCriterionResult(obj));
this.criteria.splice(found.index, 1, newCriterion);
if (this.criteriaResults[criterion.id] !== undefined) {
delete this.criteriaResults[criterion.id];
}
this.handleConditionUpdated();
}
}
@ -164,6 +170,9 @@ export default class ConditionClass extends EventEmitter {
this.handleCriterionUpdated(id, result);
});
this.criteria.splice(found.index, 1);
if (this.criteriaResults[criterion.id] !== undefined) {
delete this.criteriaResults[criterion.id];
}
return true;
}
return false;
@ -174,14 +183,30 @@ export default class ConditionClass extends EventEmitter {
if (found) {
this.criteria[found.index] = criterion.data;
//Most likely don't need this.
this.subscribe();
this.emitEvent('conditionUpdated', {
trigger: this.trigger,
criteria: this.criteria
});
}
}
handleCriterionResult(eventData) {
let id = eventData.id;
let result = eventData.data.result;
let found = this.findCriterion(id);
if (found) {
this.criteriaResults[id] = result;
}
this.handleConditionUpdated();
}
subscribe() {
this.criteria.forEach((criterion) => {
criterion.subscribe();
})
}
handleConditionUpdated() {
// trigger an updated event so that consumers can react accordingly
this.evaluate();
@ -204,9 +229,9 @@ export default class ConditionClass extends EventEmitter {
//TODO: implement as part of the evaluator class task.
evaluate() {
if (this.trigger === TRIGGER.ANY) {
this.result = true;
this.result = computeConditionForAny(this.criteriaResults);
} else if (this.trigger === TRIGGER.ALL) {
this.result = false;
this.result = computeConditionForAll(this.criteriaResults);
}
}

1
src/plugins/condition/components/ConditionCollection.vue
View File

@ -92,7 +92,6 @@ export default {
},
methods: {
handleConditionResult(args) {
console.log('ConditionCollection: ', args.result);
let idAsString = this.openmct.objects.makeKeyString(args.id);
this.conditionResults[idAsString] = args.result;
this.updateCurrentConditionId();

1
src/plugins/condition/components/ConditionEdit.vue
View File

@ -206,7 +206,6 @@ export default {
},
methods: {
handleConditionResult(args) {
console.log('ConditionEdit::Result', args);
this.$emit('condition-result-updated', {
id: this.conditionIdentifier,
result: args.data.result

32
src/plugins/condition/criterion/TelemetryCriterion.js
View File

@ -21,6 +21,7 @@
*****************************************************************************/
import * as EventEmitter from 'eventemitter3';
import {OPERATIONS} from '../utils/operations';
export default class TelemetryCriterion extends EventEmitter {
@ -38,6 +39,9 @@ export default class TelemetryCriterion extends EventEmitter {
this.objectAPI = this.openmct.objects;
this.telemetryAPI = this.openmct.telemetry;
this.id = telemetryDomainObjectDefinition.id;
this.operation = telemetryDomainObjectDefinition.operation;
this.input = telemetryDomainObjectDefinition.input;
this.metaDataKey = telemetryDomainObjectDefinition.metaDataKey;
this.subscription = null;
this.telemetryMetadata = null;
this.telemetryObjectIdAsString = null;
@ -51,19 +55,34 @@ export default class TelemetryCriterion extends EventEmitter {
this.emitEvent('criterionUpdated', this);
}
handleSubscription(datum) {
let data = this.normalizeData(datum);
handleSubscription(data) {
let result = this.computeResult(data);
this.emitEvent('criterionResultUpdated', {
result: data,
result: result,
error: null
})
}
normalizeData(datum) {
return {
[datum.key]: datum[datum.source]
findOperation(operation) {
for (let i=0, ii=OPERATIONS.length; i < ii; i++) {
if (operation === OPERATIONS[i].name) {
return OPERATIONS[i].operation;
}
}
return null;
}
computeResult(data) {
let comparator = this.findOperation(this.operation);
let params = [];
let result = false;
params.push(data[this.metaDataKey]);
params.push(this.input);
if (typeof comparator === 'function') {
result = comparator(params);
}
return result;
}
emitEvent(eventName, data) {
this.emit(eventName, {
@ -76,6 +95,7 @@ export default class TelemetryCriterion extends EventEmitter {
* Subscribes to the telemetry object and returns an unsubscribe function
*/
subscribe() {
this.unsubscribe();
this.subscription = this.telemetryAPI.subscribe(this.telemetryObject, (datum) => {
this.handleSubscription(datum);
});

32
src/plugins/condition/utils/evaluator.js
View File

@ -1,7 +1,31 @@
export const computeConditionForAny = (args) => {
return false;
/**
* Returns true only if at least one of the results is true
**/
export const computeConditionForAny = (resultMap) => {
let result = false;
for (let key in resultMap) {
if (resultMap.hasOwnProperty(key)) {
result = resultMap[key];
if (result) {
break;
}
}
}
return result;
};
export const computeConditionForAll = (args) => {
return false;
/**
* Returns true only if all the results are true
**/
export const computeConditionForAll = (resultMap) => {
let result = false;
for (let key in resultMap) {
if (resultMap.hasOwnProperty(key)) {
result = resultMap[key];
if (!result) {
break;
}
}
}
return result;
};