StreamOutput<T> class

转发上游流的业务单元

Inheritance
Mixed in types
Implementers

Constructors

StreamOutput(Stream<T> source, {required T seedValue, required String semantics, bool sync = true, bool printLog = true, bool isBehavior = true, T onReset()?, PersistConfig<T>? persistConfig, bool skipError = false})

Properties

future Future<T>
输出Future
no setterinherited
hashCode int
The hash code for this object.
no setterinherited
isDisposed bool
no setterinherited
latest ↔ T
最新的值
getter/setter pairinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
stream Stream<T>
输出Stream
getter/setter pairinherited

Methods

addError(Object error, [StackTrace? stackTrace]) → void
inherited
dispose() → void
关闭流
override
distinct([bool test(T previous, T next)?]) Stream<T>
inherited
first([bool cancelSubscription = false]) Future<T>
输出Future, cancelSubscription决定是否取消订阅
inherited
invalidate([T? newData]) → void
重新发送数据 用户修改数据后刷新的场景
inherited
listen(ValueChanged<T> listener, {Function? onError, VoidCallback? onDone, bool? cancelOnError}) StreamSubscription<T>
监听流
inherited
map<S>(S convert(T event)) Stream<S>
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
reset() → void
清理保存的值, 恢复成初始状态
inherited
runtimeSummary() String
运行时概要
inherited
sample(Duration duration) Stream<T>
inherited
toString() String
A string representation of this object.
inherited
update([void arg]) Future<T>
使用内部的trigger获取数据
inherited
where(bool test(T event)) Stream<T>
inherited
whereType<R>() Stream<R>
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited

Static Methods

optional<T>(Stream<T> source, {T? seedValue, required String semantics, bool sync = true, bool printLog = true, bool isBehavior = true, T? onReset()?, PersistConfig<T?>? persistConfig, bool skipError = false}) OptionalStreamOutput<T>