Package com.example.slacks_lottoevent.database

Class EventDB

java.lang.Object

com.example.slacks_lottoevent.database.EventDB

public class EventDB
extends Object

EventDB is a singleton class that manages the events in the Firestore database.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	EventDB.EventChangeListener	Interface for listening to changes in the events in the Firestore database.

Method Summary

Modifier and Type	Method	Description
static EventDB	getInstance()	Returns the singleton instance of EventDB.
void	notifyEventChangeListener()	Notifies the EventChangeListener that the events have changed.
void	setEventChangeListener(EventDB.EventChangeListener listener)	Sets the EventChangeListener for this EventDB.
void	startListening()	Starts listening for Firestore updates for the events collection.
void	stopListening()	Stops listening to the events in the Firestore database.
void	updateEvent(Event event)	Adds an event to the Firestore database.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getInstance

public static EventDB getInstance()

Returns the singleton instance of EventDB.

Returns:

the singleton instance of EventDB

startListening

public void startListening()

Starts listening for Firestore updates for the events collection.

stopListening

public void stopListening()

Stops listening to the events in the Firestore database.

setEventChangeListener

public void setEventChangeListener(EventDB.EventChangeListener listener)

Sets the EventChangeListener for this EventDB.

Parameters:

listener - the EventChangeListener to set

notifyEventChangeListener

public void notifyEventChangeListener()

Notifies the EventChangeListener that the events have changed.

updateEvent

public void updateEvent(Event event)

Adds an event to the Firestore database.

Parameters:

event - the event to add