closeAlert() {
     this.closeAlertEventEmitter.emit();
 }

 addTask(newDescription){
   this.onSubmitNewTask.emit(newDescription.value);
   newDescription.value="";
 }

 deleteEntry(entry: Entry){
   this.onSubmitDeleteEntry.emit(entry);
 }

 onPageSizeChanged(pageSize : number){
     this.pageDetails.pageSize = +pageSize;
     this.changed.emit(null);
 }

 // This method can be called by subscribers to force a push.  Useful when a
 // component is initialized.
 pushStateToSubscribers() {
     let persistenceState = this.getState();
     console.log('PersistenceService publishing state change:', persistenceState);
     this.persistenceStateChanged.next(persistenceState);
 }

 addKeg(userName: HTMLInputElement, userBrand: HTMLInputElement, userPrice: HTMLInputElement, userPintsLeft: HTMLInputElement) {
   var newKeg: Keg = new Keg(userName.value, userBrand.value, userPrice.value, userPintsLeft.valueAsNumber, 0);
   this.onSubmitNewKeg.emit(newKeg);
 }

 addTask(userDescription: HTMLInputElement, userPriority: HTMLInputElement){
   var newTask = [userDescription.value, userPriority.value];
   this.onSubmitNewTask.emit(newTask);
   userDescription.value = "";
   userPriority.value="low";
 }

 closeDetailsField() {
   this.closeDetails.emit(1);
 }

 onSelect(strain) {
   this.emitter.emit(strain);
 }

 newTask(newDescription: HTMLInputElement): void {
   this.onSubmitNewTask.emit(newDescription.value);
   newDescription.value = "";
 }