observe<T extends Object> abstract method

Stream<T?> observe<T extends Object>(
  1. Key key,
  2. Decoder<T?> decoder, [
  3. Options options
])

Return Stream that will emit value read from persistent storage. It will automatic emit value when value associated with key was changed.

Implementation

Stream<T?> observe<T extends Object>(Key key, Decoder<T?> decoder,
    [Options options]);