TimestampStreamTransformer<S> class

Wraps each item emitted by the source Stream in a Timestamped object that includes the emitted item and the time when the item was emitted.

Example

Stream.fromIterable([1])
   .transform(TimestampStreamTransformer())
   .listen((i) => print(i)); // prints 'TimeStamp{timestamp: XXX, value: 1}';

Inheritance

• Object
• StreamTransformerBase<S, Timestamped<S>>
• TimestampStreamTransformer

Constructors

TimestampStreamTransformer()

Constructs a StreamTransformer which emits events from the source Stream as snapshots in the form of Timestamped.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

bind(Stream<S> stream) → Stream<Timestamped<S>>

Transforms the provided stream.

override

cast<RS, RT>() → StreamTransformer<RS, RT>

Provides a StreamTransformer<RS, RT> view of this stream transformer.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited