ExecutionContext class abstract interface

An execution context for client functions, providing access to data and other functions.

Implementers

Properties

hashCode → int: The hash code for this object.
no setterinherited
path → DataPath: The path associated with this context.
no setter
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited

evaluateConditionStream(Object? condition) → Stream<bool>: Evaluates a dynamic boolean condition and returns a Stream<bool>.
getFunction(String name) → ClientFunction?: Retrieves a function by name from this context.
getValue<T>(DataPath path) → T?: Gets a value, resolving the path against the current context.
nested(DataPath relativePath) → ExecutionContext: Creates a new, nested ExecutionContext for a child widget.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
resolve(Object? value) → Stream<Object?>: Resolves any dynamic values (bindings or function calls) in the given value.
resolvePath(DataPath pathToResolve) → DataPath: Resolves a path against the current context's path.
subscribe<T>(DataPath path) → ValueListenable<T?>: Subscribes to a path, resolving it against the current context.
subscribeStream<T>(DataPath path) → Stream<T?>: Subscribes to a path and returns a Stream.
toString() → String: A string representation of this object.
inherited
update(DataPath path, Object? contents) → void: Updates the data model, resolving the path against the current context.