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avoid multiple instantiations of condtionManager if possible

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This commit is contained in:
David Tsay
2020-03-19 10:18:57 -07:00
parent 6b4cd25417
commit 00d1b5e69f
4 changed files with 21 additions and 29 deletions
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2
src/plugins/condition/Condition.js
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@ -67,12 +67,10 @@ export default class ConditionClass extends EventEmitter {
} }
handleReceivedTelemetry(datum) { handleReceivedTelemetry(datum) {
console.log(`received datum`);
if (!datum || !datum.id) { if (!datum || !datum.id) {
console.log('no data received'); console.log('no data received');
return; return;
} }
this.criteria.filter(criterion => criterion.telemetryObjectIdAsString === datum.id) this.criteria.filter(criterion => criterion.telemetryObjectIdAsString === datum.id)
.forEach(subscribingCriterion => { .forEach(subscribingCriterion => {
subscribingCriterion.emit(`subscription`, datum) subscribingCriterion.emit(`subscription`, datum)

29
src/plugins/condition/ConditionManager.js
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@ -32,8 +32,8 @@ export default class ConditionManager extends EventEmitter {
this.timeAPI = this.openmct.time; this.timeAPI = this.openmct.time;
this.latestTimestamp = {}; this.latestTimestamp = {};
this.composition = this.openmct.composition.get(conditionSetDomainObject); this.composition = this.openmct.composition.get(conditionSetDomainObject);
this.composition.on('add', this.addTelemetry, this) this.composition.on('add', this.addTelemetry, this);
this.composition.on('remove', this.removeTelemetry, this) this.composition.on('remove', this.removeTelemetry, this);
this.loaded = this.composition.load(); this.loaded = this.composition.load();
this.subscriptions = {}; this.subscriptions = {};
@ -53,8 +53,7 @@ export default class ConditionManager extends EventEmitter {
this.subscriptions[id] = this.openmct.telemetry.subscribe( this.subscriptions[id] = this.openmct.telemetry.subscribe(
endpoint, endpoint,
this.broadcastTelemetry this.broadcastTelemetry.bind(this, id)
.bind(this, id)
); );
} }
@ -212,7 +211,6 @@ export default class ConditionManager extends EventEmitter {
// update conditions results and then calculate the current condition // update conditions results and then calculate the current condition
this.updateConditionResults(resultObj); this.updateConditionResults(resultObj);
const currentCondition = this.getCurrentCondition(); const currentCondition = this.getCurrentCondition();
this.emit('conditionSetResultUpdated', this.emit('conditionSetResultUpdated',
Object.assign( Object.assign(
{ {
@ -264,20 +262,7 @@ export default class ConditionManager extends EventEmitter {
}); });
} }
// subscribeToTelemetry() {
// this.load().then((endpoints) => {
// this.unsubscribes = endpoints.map(endpoint => {
// this.openmct.telemetry.subscribe(
// endpoint,
// this.broadcastTelemetry
// .bind(this, this.openmct.objects.makeKeyString(endpoint.identifier)));
// });
// });
// }
broadcastTelemetry(id, datum) { broadcastTelemetry(id, datum) {
console.log(this.conditionClassCollection);
this.conditionClassCollection.filter(condition => { this.conditionClassCollection.filter(condition => {
return condition.getTelemetrySubscriptions().includes(id); return condition.getTelemetrySubscriptions().includes(id);
}).forEach(subscribingCondition => { }).forEach(subscribingCondition => {
@ -293,11 +278,15 @@ export default class ConditionManager extends EventEmitter {
} }
destroy() { destroy() {
this.composition.off('add', this.addTelemetry, this) this.composition.off('add', this.addTelemetry, this);
this.composition.off('remove', this.removeTelemetry, this) this.composition.off('remove', this.removeTelemetry, this);
Object.values(this.subscriptions).forEach(unsubscribe => unsubscribe());
this.subscriptions = undefined;
if(this.stopObservingForChanges) { if(this.stopObservingForChanges) {
this.stopObservingForChanges(); this.stopObservingForChanges();
} }
this.conditionClassCollection.forEach((condition) => { this.conditionClassCollection.forEach((condition) => {
condition.off('conditionResultUpdated', this.handleConditionResult); condition.off('conditionResultUpdated', this.handleConditionResult);
condition.destroy(); condition.destroy();

7
src/plugins/condition/ConditionSetTelemetryProvider.js
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@ -40,7 +40,7 @@ export default class ConditionSetTelemetryProvider {
} }
request(domainObject, options) { request(domainObject, options) {
let conditionManager = new ConditionManager(domainObject, this.openmct); let conditionManager = options.conditionManager || new ConditionManager(domainObject, this.openmct);
return conditionManager.requestLADConditionSetOutput() return conditionManager.requestLADConditionSetOutput()
.then(latestOutput => { .then(latestOutput => {
@ -50,8 +50,9 @@ export default class ConditionSetTelemetryProvider {
}); });
} }
subscribe(domainObject, callback) { subscribe(domainObject, callback, options) {
let conditionManager = new ConditionManager(domainObject, this.openmct); let conditionManager = options.conditionManager || new ConditionManager(domainObject, this.openmct);
conditionManager.on('conditionSetResultUpdated', callback); conditionManager.on('conditionSetResultUpdated', callback);
return function unsubscribe() { return function unsubscribe() {

12
src/plugins/condition/components/ConditionCollection.vue
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@ -121,11 +121,15 @@ export default {
this.conditionCollection = this.domainObject.configuration.conditionCollection; this.conditionCollection = this.domainObject.configuration.conditionCollection;
this.observeForChanges(); this.observeForChanges();
this.conditionManager = new ConditionManager(this.domainObject, this.openmct); this.conditionManager = new ConditionManager(this.domainObject, this.openmct);
this.conditionManager.requestLADConditionSetOutput() console.log(`collection condition manager: ${this.conditionManager.id}`);
let options = { conditionManager: this.conditionManager };
this.openmct.telemetry.request(this.domainObject, options)
.then(data => this.$emit('conditionSetResultUpdated', data[0])); .then(data => this.$emit('conditionSetResultUpdated', data[0]));
this.conditionManager.on('conditionSetResultUpdated', (data) => { this.unsubscribe = this.openmct.telemetry.subscribe(
this.$emit('conditionSetResultUpdated', data); this.domainObject,
}); (data) => { this.$emit('conditionSetResultUpdated', data); },
options);
}, },
methods: { methods: {
observeForChanges() { observeForChanges() {