EventSource class
An EventSource client that exposes a Stream of Events.
Methods
-
any(bool test(Event element))
→ Future<bool>
-
Checks whether
test
accepts any element provided by this stream.
inherited
-
asBroadcastStream({void onListen(StreamSubscription<Event> subscription)?, void onCancel(StreamSubscription<Event> subscription)?})
→ Stream<Event>
-
Returns a multi-subscription stream that produces the same events as this.
inherited
-
asyncExpand<E>(Stream<E>? convert(Event event))
→ Stream<E>
-
Transforms each element into a sequence of asynchronous events.
inherited
-
asyncMap<E>(FutureOr<E> convert(Event event))
→ Stream<E>
-
Creates a new stream with each data event of this stream asynchronously
mapped to a new event.
inherited
-
cast<R>()
→ Stream<R>
-
Adapt this stream to be a
Stream<R>
.
inherited
-
contains(Object? needle)
→ Future<bool>
-
Returns whether
needle
occurs in the elements provided by this stream.
inherited
-
distinct([bool equals(Event previous, Event next)?])
→ Stream<Event>
-
Skips data events if they are equal to the previous data event.
inherited
-
drain<E>([E? futureValue])
→ Future<E>
-
Discards all data on this stream, but signals when it is done or an error
occurred.
inherited
-
elementAt(int index)
→ Future<Event>
-
Returns the value of the
index
th data event of this stream.
inherited
-
every(bool test(Event element))
→ Future<bool>
-
Checks whether
test
accepts all elements provided by this stream.
inherited
-
expand<S>(Iterable<S> convert(Event element))
→ Stream<S>
-
Transforms each element of this stream into a sequence of elements.
inherited
-
firstWhere(bool test(Event element), {Event orElse()?})
→ Future<Event>
-
Finds the first element of this stream matching
test
.
inherited
-
fold<S>(S initialValue, S combine(S previous, Event element))
→ Future<S>
-
Combines a sequence of values by repeatedly applying
combine
.
inherited
-
forEach(void action(Event element))
→ Future<void>
-
Executes
action
on each element of this stream.
inherited
-
handleError(Function onError, {bool test(dynamic error)?})
→ Stream<Event>
-
Creates a wrapper Stream that intercepts some errors from this stream.
inherited
-
join([String separator = ""])
→ Future<String>
-
Combines the string representation of elements into a single string.
inherited
-
lastWhere(bool test(Event element), {Event orElse()?})
→ Future<Event>
-
Finds the last element in this stream matching
test
.
inherited
-
listen(void onData(Event event)?, {Function? onError, void onDone()?, bool? cancelOnError})
→ StreamSubscription<Event>
-
Adds a subscription to this stream.
override
-
map<S>(S convert(Event event))
→ Stream<S>
-
Transforms each element of this stream into a new stream event.
inherited
-
noSuchMethod(Invocation invocation)
→ dynamic
-
Invoked when a nonexistent method or property is accessed.
inherited
-
pipe(StreamConsumer<Event> streamConsumer)
→ Future
-
Pipes the events of this stream into
streamConsumer
.
inherited
-
reduce(Event combine(Event previous, Event element))
→ Future<Event>
-
Combines a sequence of values by repeatedly applying
combine
.
inherited
-
reopen()
→ Future<void>
-
-
singleWhere(bool test(Event element), {Event orElse()?})
→ Future<Event>
-
Finds the single element in this stream matching
test
.
inherited
-
skip(int count)
→ Stream<Event>
-
Skips the first
count
data events from this stream.
inherited
-
skipWhile(bool test(Event element))
→ Stream<Event>
-
Skip data events from this stream while they are matched by
test
.
inherited
-
take(int count)
→ Stream<Event>
-
Provides at most the first
count
data events of this stream.
inherited
-
takeWhile(bool test(Event element))
→ Stream<Event>
-
Forwards data events while
test
is successful.
inherited
-
timeout(Duration timeLimit, {void onTimeout(EventSink<Event> sink)?})
→ Stream<Event>
-
Creates a new stream with the same events as this stream.
inherited
-
toList()
→ Future<List<Event>>
-
Collects all elements of this stream in a
List
.
inherited
-
toSet()
→ Future<Set<Event>>
-
Collects the data of this stream in a
Set
.
inherited
-
toString()
→ String
-
A string representation of this object.
inherited
-
transform<S>(StreamTransformer<Event, S> streamTransformer)
→ Stream<S>
-
Applies
streamTransformer
to this stream.
inherited
-
where(bool test(Event event))
→ Stream<Event>
-
Creates a new stream from this stream that discards some elements.
inherited
Static Methods
-
connect(dynamic url, {Client? client, String? lastEventId, String? body, String? method, bool? openOnlyOnFirstListener, StreamController<EventSourceReadyState>? readyStateController, bool? closeOnLastListener})
→ Future<EventSource>
-
Create a new EventSource by connecting to the specified url.
If you want to be able to listen to the state changes you need to provide your
own readyStateController as broadcast controllers do not store state.