Package com.google.cloud.firestore

Interface EventListener<T>

public interface EventListener<T>
An interface for event listeners.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    onEvent(T value, FirestoreException error)
    onEvent will be called with the new value or the error if an error occurred.

  • Method Details

    • onEvent

      void onEvent(@Nullable T value, @Nullable FirestoreException error)
      onEvent will be called with the new value or the error if an error occurred. It's guaranteed that exactly one of value or error will be non-null.
      Parameters:
      value - The value of the event. null if there was an error.
      error - The error if there was error. null otherwise.