@Effect() actionX$ = this.updates$
    .ofType('ACTION_X')
    .map(toPayload)
    .switchMap(payload => this.api.callApiX(payload)
        .map(data => ({type: 'ACTION_X_SUCCESS', payload: data}))
        .catch(err => Observable.of({type: 'ACTION_X_FAIL', payload: err}))
    );

@Effect() actionY$ = this.updates$
    .ofType('ACTION_Y')
    .map(toPayload)
    .switchMap(payload => this.api.callApiY(payload)
        .map(data => ({type: 'ACTION_Y_SUCCESS', payload: data}))
        .catch(err => Observable.of({type: 'ACTION_Y_FAIL', payload: err}))
    );