ChangeWatcher<T> class

A state watcher class

This class is used in watching variables for state changes, and is able to recieve and emit state changes.

This is used in watching specific variables that can be referenced by their type T and their initial value initValue

Mixed-in types

Implementers

Constructors

currentState → Future<State<T>>: no setter
currentStateChange ↔ StateChange<T>?: The current state change that has occured on the watched variable and initialState, or null if there have been no recent changes.
getter/setter pair
currentValue → T: The current value of the watched variable
no setter
emittedStream ↔ Stream<T>: Stream for listening to variable value changes
getter/setter pair
hashCode → int: The hash code for this object.
no setterinherited
initialState ↔ State<T>: The state of the watched variable
getter/setter pair
initValue ↔ T: The initial value of the watched variable.
getter/setter pair
receivedStream → Stream<T>: no setter
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
valueStream → Stream<T>: Stream for listening to variable value changes
no setter

applyState() → void: Function used in making a copy of the current state of an object to be implemented elsewhere in code.
override
dispose() → void: Dispose method to close the stream when no longer needed
emit() → void: Function used in emitting state changes
emitStream(Stream<T> stream) → void: Function used in emitting a stream of state changes
freeze() → void: Function used to freeze state.
override
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
ping() → void
receive() → void: Function used in receiving state changes
receiveStream(Stream<T> stream) → void: Function used in emitting a stream of state changes
reload() → void: Function used to refresh or reload state.
override
toString() → String: A string representation of this object.
inherited
unfreeze() → void: Function used to unfreeze state.
override
watchVariable(T variable) → void: Function used to watch the variable for changes.