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Event.ts
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Event.ts
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/*
* Copyright (C) 2023 Thirty Meter Telescope International Observatory
* SPDX-License-Identifier: Apache-2.0
*/
import { v4 as uuidv4 } from 'uuid'
import type { Decoder } from '../../../decoders/Decoder'
import { mkEventD } from '../../../decoders/EventDecoders'
import type { Key, Parameter, Prefix } from '../../../models'
import { ParameterSetType } from '../../../models/params/ParameterSetType'
import type { EventName } from './EventName'
/**
* @category Event Service
*/
export class ObserveEvent extends ParameterSetType<ObserveEvent> {
readonly _type = 'ObserveEvent'
private constructor(
readonly source: Prefix,
readonly eventName: EventName,
readonly paramSet: Parameter<Key>[],
readonly eventId: string = uuidv4(),
readonly eventTime: string = new Date().toISOString()
) {
super()
}
create(data: Parameter<Key>[]): ObserveEvent {
return new ObserveEvent(this.source, this.eventName, data, this.eventId, this.eventTime)
}
static make(source: Prefix, eventName: EventName, paramSet: Parameter<Key>[] = []) {
return new ObserveEvent(source, eventName, paramSet)
}
static decoder(): Decoder<ObserveEvent> {
return mkEventD('ObserveEvent', (e) => new ObserveEvent(e.source, e.eventName, e.paramSet, e.eventId, e.eventTime))
}
}
/**
* @category Event Service
*/
export class SystemEvent extends ParameterSetType<SystemEvent> {
readonly _type = 'SystemEvent'
private constructor(
readonly source: Prefix,
readonly eventName: EventName,
readonly paramSet: Parameter<Key>[],
readonly eventId: string = uuidv4(),
readonly eventTime: string = new Date().toISOString()
) {
super()
}
create(data: Parameter<Key>[]): SystemEvent {
return new SystemEvent(this.source, this.eventName, data, this.eventId, this.eventTime)
}
static make(source: Prefix, eventName: EventName, paramSet: Parameter<Key>[] = []) {
return new SystemEvent(source, eventName, paramSet)
}
static decoder(): Decoder<SystemEvent> {
return mkEventD('SystemEvent', (e) => new SystemEvent(e.source, e.eventName, e.paramSet, e.eventId, e.eventTime))
}
}
/**
* @category Event Service
*/
export type Event = ObserveEvent | SystemEvent