constructor(...params) {

super();

}

public async init(): Promise<any> {

}

public static onDefineInjectTo(target, targetKey, parameterIndex: number) {

super.onDefineInjectTo(target, targetKey, parameterIndex)

const configEnvironmentKey = getClassConfigValue('injectServiceCopyMetadataKey', this)

if (configEnvironmentKey) {

const injectKeyConfig = (getMetadata(configEnvironmentKey, this) || [])

.map(c => { return { ...c, injected: true } })

const keyConfig = getMetadata(configEnvironmentKey, target) || []

defineMetadata(configEnvironmentKey, [...keyConfig, ...injectKeyConfig], target);

}

const targetTkey = 'handle'

const injectedDefinitions: any[] = (getMetadata(PARAMETER_PARAMKEY, this) || [])

.filter(p => p.type === 'inject')

for (const { serviceType, targetKey, parameterIndex } of injectedDefinitions) {

if (typeof serviceType.onDefineInjectTo === 'function') {

serviceType.onDefineInjectTo(target, targetTkey, parameterIndex)

}

}

}

public static toEventSource(target: Function) {

const environmentKey = getClassConfigValue('injectServiceEventSourceKey', this)

if (environmentKey) {

const metadataCollection = getMetadata(environmentKey, target) || []

const eventSourceConfigs = (getMetadata(environmentKey, this) || [])

.map(config => { return { ...config, eventSource: true } })

defineMetadata(environmentKey, [...metadataCollection, ...eventSourceConfigs], target)

}

}